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|
- --- a/crypto/Kconfig
- +++ b/crypto/Kconfig
- @@ -65,6 +65,7 @@ config CRYPTO_NULL
- config CRYPTO_CRYPTD
- tristate "Software async crypto daemon"
- select CRYPTO_BLKCIPHER
- + select CRYPTO_HASH
- select CRYPTO_MANAGER
- help
- This is a generic software asynchronous crypto daemon that
- @@ -212,7 +213,7 @@ comment "Digest"
-
- config CRYPTO_CRC32C
- tristate "CRC32c CRC algorithm"
- - select CRYPTO_ALGAPI
- + select CRYPTO_HASH
- select LIBCRC32C
- help
- Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
- @@ -241,6 +242,57 @@ config CRYPTO_MICHAEL_MIC
- should not be used for other purposes because of the weakness
- of the algorithm.
-
- +config CRYPTO_RMD128
- + tristate "RIPEMD-128 digest algorithm"
- + select CRYPTO_ALGAPI
- + help
- + RIPEMD-128 (ISO/IEC 10118-3:2004).
- +
- + RIPEMD-128 is a 128-bit cryptographic hash function. It should only
- + to be used as a secure replacement for RIPEMD. For other use cases
- + RIPEMD-160 should be used.
- +
- + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
- + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
- +
- +config CRYPTO_RMD160
- + tristate "RIPEMD-160 digest algorithm"
- + select CRYPTO_ALGAPI
- + help
- + RIPEMD-160 (ISO/IEC 10118-3:2004).
- +
- + RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
- + to be used as a secure replacement for the 128-bit hash functions
- + MD4, MD5 and it's predecessor RIPEMD (not to be confused with RIPEMD-128).
- +
- + It's speed is comparable to SHA1 and there are no known attacks against
- + RIPEMD-160.
- +
- + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
- + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
- +
- +config CRYPTO_RMD256
- + tristate "RIPEMD-256 digest algorithm"
- + select CRYPTO_ALGAPI
- + help
- + RIPEMD-256 is an optional extension of RIPEMD-128 with a 256 bit hash.
- + It is intended for applications that require longer hash-results, without
- + needing a larger security level (than RIPEMD-128).
- +
- + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
- + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
- +
- +config CRYPTO_RMD320
- + tristate "RIPEMD-320 digest algorithm"
- + select CRYPTO_ALGAPI
- + help
- + RIPEMD-320 is an optional extension of RIPEMD-160 with a 320 bit hash.
- + It is intended for applications that require longer hash-results, without
- + needing a larger security level (than RIPEMD-160).
- +
- + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
- + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
- +
- config CRYPTO_SHA1
- tristate "SHA1 digest algorithm"
- select CRYPTO_ALGAPI
- @@ -614,6 +666,15 @@ config CRYPTO_LZO
- help
- This is the LZO algorithm.
-
- +comment "Random Number Generation"
- +
- +config CRYPTO_PRNG
- + tristate "Pseudo Random Number Generation for Cryptographic modules"
- + help
- + This option enables the generic pseudo random number generator
- + for cryptographic modules. Uses the Algorithm specified in
- + ANSI X9.31 A.2.4
- +
- source "drivers/crypto/Kconfig"
-
- endif # if CRYPTO
- --- a/crypto/Makefile
- +++ b/crypto/Makefile
- @@ -19,6 +19,7 @@ obj-$(CONFIG_CRYPTO_BLKCIPHER) += crypto
- obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o
-
- crypto_hash-objs := hash.o
- +crypto_hash-objs += ahash.o
- obj-$(CONFIG_CRYPTO_HASH) += crypto_hash.o
-
- obj-$(CONFIG_CRYPTO_MANAGER) += cryptomgr.o
- @@ -27,6 +28,10 @@ obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o
- obj-$(CONFIG_CRYPTO_NULL) += crypto_null.o
- obj-$(CONFIG_CRYPTO_MD4) += md4.o
- obj-$(CONFIG_CRYPTO_MD5) += md5.o
- +obj-$(CONFIG_CRYPTO_RMD128) += rmd128.o
- +obj-$(CONFIG_CRYPTO_RMD160) += rmd160.o
- +obj-$(CONFIG_CRYPTO_RMD256) += rmd256.o
- +obj-$(CONFIG_CRYPTO_RMD320) += rmd320.o
- obj-$(CONFIG_CRYPTO_SHA1) += sha1_generic.o
- obj-$(CONFIG_CRYPTO_SHA256) += sha256_generic.o
- obj-$(CONFIG_CRYPTO_SHA512) += sha512_generic.o
- @@ -64,7 +69,7 @@ obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += mich
- obj-$(CONFIG_CRYPTO_CRC32C) += crc32c.o
- obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o
- obj-$(CONFIG_CRYPTO_LZO) += lzo.o
- -
- +obj-$(CONFIG_CRYPTO_PRNG) += prng.o
- obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
-
- #
- --- /dev/null
- +++ b/crypto/ahash.c
- @@ -0,0 +1,194 @@
- +/*
- + * Asynchronous Cryptographic Hash operations.
- + *
- + * This is the asynchronous version of hash.c with notification of
- + * completion via a callback.
- + *
- + * Copyright (c) 2008 Loc Ho <[email protected]>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the Free
- + * Software Foundation; either version 2 of the License, or (at your option)
- + * any later version.
- + *
- + */
- +
- +#include <crypto/internal/hash.h>
- +#include <crypto/scatterwalk.h>
- +#include <linux/err.h>
- +#include <linux/kernel.h>
- +#include <linux/module.h>
- +#include <linux/sched.h>
- +#include <linux/slab.h>
- +#include <linux/seq_file.h>
- +
- +#include "internal.h"
- +
- +static int hash_walk_next(struct crypto_hash_walk *walk)
- +{
- + unsigned int alignmask = walk->alignmask;
- + unsigned int offset = walk->offset;
- + unsigned int nbytes = min(walk->entrylen,
- + ((unsigned int)(PAGE_SIZE)) - offset);
- +
- + walk->data = crypto_kmap(walk->pg, 0);
- + walk->data += offset;
- +
- + if (offset & alignmask)
- + nbytes = alignmask + 1 - (offset & alignmask);
- +
- + walk->entrylen -= nbytes;
- + return nbytes;
- +}
- +
- +static int hash_walk_new_entry(struct crypto_hash_walk *walk)
- +{
- + struct scatterlist *sg;
- +
- + sg = walk->sg;
- + walk->pg = sg_page(sg);
- + walk->offset = sg->offset;
- + walk->entrylen = sg->length;
- +
- + if (walk->entrylen > walk->total)
- + walk->entrylen = walk->total;
- + walk->total -= walk->entrylen;
- +
- + return hash_walk_next(walk);
- +}
- +
- +int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
- +{
- + unsigned int alignmask = walk->alignmask;
- + unsigned int nbytes = walk->entrylen;
- +
- + walk->data -= walk->offset;
- +
- + if (nbytes && walk->offset & alignmask && !err) {
- + walk->offset += alignmask - 1;
- + walk->offset = ALIGN(walk->offset, alignmask + 1);
- + walk->data += walk->offset;
- +
- + nbytes = min(nbytes,
- + ((unsigned int)(PAGE_SIZE)) - walk->offset);
- + walk->entrylen -= nbytes;
- +
- + return nbytes;
- + }
- +
- + crypto_kunmap(walk->data, 0);
- + crypto_yield(walk->flags);
- +
- + if (err)
- + return err;
- +
- + walk->offset = 0;
- +
- + if (nbytes)
- + return hash_walk_next(walk);
- +
- + if (!walk->total)
- + return 0;
- +
- + walk->sg = scatterwalk_sg_next(walk->sg);
- +
- + return hash_walk_new_entry(walk);
- +}
- +EXPORT_SYMBOL_GPL(crypto_hash_walk_done);
- +
- +int crypto_hash_walk_first(struct ahash_request *req,
- + struct crypto_hash_walk *walk)
- +{
- + walk->total = req->nbytes;
- +
- + if (!walk->total)
- + return 0;
- +
- + walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));
- + walk->sg = req->src;
- + walk->flags = req->base.flags;
- +
- + return hash_walk_new_entry(walk);
- +}
- +EXPORT_SYMBOL_GPL(crypto_hash_walk_first);
- +
- +static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,
- + unsigned int keylen)
- +{
- + struct ahash_alg *ahash = crypto_ahash_alg(tfm);
- + unsigned long alignmask = crypto_ahash_alignmask(tfm);
- + int ret;
- + u8 *buffer, *alignbuffer;
- + unsigned long absize;
- +
- + absize = keylen + alignmask;
- + buffer = kmalloc(absize, GFP_ATOMIC);
- + if (!buffer)
- + return -ENOMEM;
- +
- + alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
- + memcpy(alignbuffer, key, keylen);
- + ret = ahash->setkey(tfm, alignbuffer, keylen);
- + memset(alignbuffer, 0, keylen);
- + kfree(buffer);
- + return ret;
- +}
- +
- +static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
- + unsigned int keylen)
- +{
- + struct ahash_alg *ahash = crypto_ahash_alg(tfm);
- + unsigned long alignmask = crypto_ahash_alignmask(tfm);
- +
- + if ((unsigned long)key & alignmask)
- + return ahash_setkey_unaligned(tfm, key, keylen);
- +
- + return ahash->setkey(tfm, key, keylen);
- +}
- +
- +static unsigned int crypto_ahash_ctxsize(struct crypto_alg *alg, u32 type,
- + u32 mask)
- +{
- + return alg->cra_ctxsize;
- +}
- +
- +static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
- +{
- + struct ahash_alg *alg = &tfm->__crt_alg->cra_ahash;
- + struct ahash_tfm *crt = &tfm->crt_ahash;
- +
- + if (alg->digestsize > PAGE_SIZE / 8)
- + return -EINVAL;
- +
- + crt->init = alg->init;
- + crt->update = alg->update;
- + crt->final = alg->final;
- + crt->digest = alg->digest;
- + crt->setkey = ahash_setkey;
- + crt->digestsize = alg->digestsize;
- +
- + return 0;
- +}
- +
- +static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
- + __attribute__ ((unused));
- +static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
- +{
- + seq_printf(m, "type : ahash\n");
- + seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
- + "yes" : "no");
- + seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
- + seq_printf(m, "digestsize : %u\n", alg->cra_hash.digestsize);
- +}
- +
- +const struct crypto_type crypto_ahash_type = {
- + .ctxsize = crypto_ahash_ctxsize,
- + .init = crypto_init_ahash_ops,
- +#ifdef CONFIG_PROC_FS
- + .show = crypto_ahash_show,
- +#endif
- +};
- +EXPORT_SYMBOL_GPL(crypto_ahash_type);
- +
- +MODULE_LICENSE("GPL");
- +MODULE_DESCRIPTION("Asynchronous cryptographic hash type");
- --- a/crypto/api.c
- +++ b/crypto/api.c
- @@ -235,8 +235,12 @@ static int crypto_init_ops(struct crypto
- return crypto_init_cipher_ops(tfm);
-
- case CRYPTO_ALG_TYPE_DIGEST:
- - return crypto_init_digest_ops(tfm);
- -
- + if ((mask & CRYPTO_ALG_TYPE_HASH_MASK) !=
- + CRYPTO_ALG_TYPE_HASH_MASK)
- + return crypto_init_digest_ops_async(tfm);
- + else
- + return crypto_init_digest_ops(tfm);
- +
- case CRYPTO_ALG_TYPE_COMPRESS:
- return crypto_init_compress_ops(tfm);
-
- --- a/crypto/camellia.c
- +++ b/crypto/camellia.c
- @@ -35,6 +35,8 @@
- #include <linux/init.h>
- #include <linux/kernel.h>
- #include <linux/module.h>
- +#include <linux/bitops.h>
- +#include <asm/unaligned.h>
-
- static const u32 camellia_sp1110[256] = {
- 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
- @@ -335,20 +337,6 @@ static const u32 camellia_sp4404[256] =
- /*
- * macros
- */
- -#define GETU32(v, pt) \
- - do { \
- - /* latest breed of gcc is clever enough to use move */ \
- - memcpy(&(v), (pt), 4); \
- - (v) = be32_to_cpu(v); \
- - } while(0)
- -
- -/* rotation right shift 1byte */
- -#define ROR8(x) (((x) >> 8) + ((x) << 24))
- -/* rotation left shift 1bit */
- -#define ROL1(x) (((x) << 1) + ((x) >> 31))
- -/* rotation left shift 1byte */
- -#define ROL8(x) (((x) << 8) + ((x) >> 24))
- -
- #define ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
- do { \
- w0 = ll; \
- @@ -383,7 +371,7 @@ static const u32 camellia_sp4404[256] =
- ^ camellia_sp3033[(u8)(il >> 8)] \
- ^ camellia_sp4404[(u8)(il )]; \
- yl ^= yr; \
- - yr = ROR8(yr); \
- + yr = ror32(yr, 8); \
- yr ^= yl; \
- } while(0)
-
- @@ -405,7 +393,7 @@ static void camellia_setup_tail(u32 *sub
- subL[7] ^= subL[1]; subR[7] ^= subR[1];
- subL[1] ^= subR[1] & ~subR[9];
- dw = subL[1] & subL[9],
- - subR[1] ^= ROL1(dw); /* modified for FLinv(kl2) */
- + subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */
- /* round 8 */
- subL[11] ^= subL[1]; subR[11] ^= subR[1];
- /* round 10 */
- @@ -414,7 +402,7 @@ static void camellia_setup_tail(u32 *sub
- subL[15] ^= subL[1]; subR[15] ^= subR[1];
- subL[1] ^= subR[1] & ~subR[17];
- dw = subL[1] & subL[17],
- - subR[1] ^= ROL1(dw); /* modified for FLinv(kl4) */
- + subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */
- /* round 14 */
- subL[19] ^= subL[1]; subR[19] ^= subR[1];
- /* round 16 */
- @@ -430,7 +418,7 @@ static void camellia_setup_tail(u32 *sub
- } else {
- subL[1] ^= subR[1] & ~subR[25];
- dw = subL[1] & subL[25],
- - subR[1] ^= ROL1(dw); /* modified for FLinv(kl6) */
- + subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */
- /* round 20 */
- subL[27] ^= subL[1]; subR[27] ^= subR[1];
- /* round 22 */
- @@ -450,7 +438,7 @@ static void camellia_setup_tail(u32 *sub
- subL[26] ^= kw4l; subR[26] ^= kw4r;
- kw4l ^= kw4r & ~subR[24];
- dw = kw4l & subL[24],
- - kw4r ^= ROL1(dw); /* modified for FL(kl5) */
- + kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */
- }
- /* round 17 */
- subL[22] ^= kw4l; subR[22] ^= kw4r;
- @@ -460,7 +448,7 @@ static void camellia_setup_tail(u32 *sub
- subL[18] ^= kw4l; subR[18] ^= kw4r;
- kw4l ^= kw4r & ~subR[16];
- dw = kw4l & subL[16],
- - kw4r ^= ROL1(dw); /* modified for FL(kl3) */
- + kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */
- /* round 11 */
- subL[14] ^= kw4l; subR[14] ^= kw4r;
- /* round 9 */
- @@ -469,7 +457,7 @@ static void camellia_setup_tail(u32 *sub
- subL[10] ^= kw4l; subR[10] ^= kw4r;
- kw4l ^= kw4r & ~subR[8];
- dw = kw4l & subL[8],
- - kw4r ^= ROL1(dw); /* modified for FL(kl1) */
- + kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */
- /* round 5 */
- subL[6] ^= kw4l; subR[6] ^= kw4r;
- /* round 3 */
- @@ -494,7 +482,7 @@ static void camellia_setup_tail(u32 *sub
- SUBKEY_R(6) = subR[5] ^ subR[7];
- tl = subL[10] ^ (subR[10] & ~subR[8]);
- dw = tl & subL[8], /* FL(kl1) */
- - tr = subR[10] ^ ROL1(dw);
- + tr = subR[10] ^ rol32(dw, 1);
- SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */
- SUBKEY_R(7) = subR[6] ^ tr;
- SUBKEY_L(8) = subL[8]; /* FL(kl1) */
- @@ -503,7 +491,7 @@ static void camellia_setup_tail(u32 *sub
- SUBKEY_R(9) = subR[9];
- tl = subL[7] ^ (subR[7] & ~subR[9]);
- dw = tl & subL[9], /* FLinv(kl2) */
- - tr = subR[7] ^ ROL1(dw);
- + tr = subR[7] ^ rol32(dw, 1);
- SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */
- SUBKEY_R(10) = tr ^ subR[11];
- SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */
- @@ -516,7 +504,7 @@ static void camellia_setup_tail(u32 *sub
- SUBKEY_R(14) = subR[13] ^ subR[15];
- tl = subL[18] ^ (subR[18] & ~subR[16]);
- dw = tl & subL[16], /* FL(kl3) */
- - tr = subR[18] ^ ROL1(dw);
- + tr = subR[18] ^ rol32(dw, 1);
- SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */
- SUBKEY_R(15) = subR[14] ^ tr;
- SUBKEY_L(16) = subL[16]; /* FL(kl3) */
- @@ -525,7 +513,7 @@ static void camellia_setup_tail(u32 *sub
- SUBKEY_R(17) = subR[17];
- tl = subL[15] ^ (subR[15] & ~subR[17]);
- dw = tl & subL[17], /* FLinv(kl4) */
- - tr = subR[15] ^ ROL1(dw);
- + tr = subR[15] ^ rol32(dw, 1);
- SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */
- SUBKEY_R(18) = tr ^ subR[19];
- SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */
- @@ -544,7 +532,7 @@ static void camellia_setup_tail(u32 *sub
- } else {
- tl = subL[26] ^ (subR[26] & ~subR[24]);
- dw = tl & subL[24], /* FL(kl5) */
- - tr = subR[26] ^ ROL1(dw);
- + tr = subR[26] ^ rol32(dw, 1);
- SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */
- SUBKEY_R(23) = subR[22] ^ tr;
- SUBKEY_L(24) = subL[24]; /* FL(kl5) */
- @@ -553,7 +541,7 @@ static void camellia_setup_tail(u32 *sub
- SUBKEY_R(25) = subR[25];
- tl = subL[23] ^ (subR[23] & ~subR[25]);
- dw = tl & subL[25], /* FLinv(kl6) */
- - tr = subR[23] ^ ROL1(dw);
- + tr = subR[23] ^ rol32(dw, 1);
- SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */
- SUBKEY_R(26) = tr ^ subR[27];
- SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */
- @@ -573,17 +561,17 @@ static void camellia_setup_tail(u32 *sub
- /* apply the inverse of the last half of P-function */
- i = 2;
- do {
- - dw = SUBKEY_L(i + 0) ^ SUBKEY_R(i + 0); dw = ROL8(dw);/* round 1 */
- + dw = SUBKEY_L(i + 0) ^ SUBKEY_R(i + 0); dw = rol32(dw, 8);/* round 1 */
- SUBKEY_R(i + 0) = SUBKEY_L(i + 0) ^ dw; SUBKEY_L(i + 0) = dw;
- - dw = SUBKEY_L(i + 1) ^ SUBKEY_R(i + 1); dw = ROL8(dw);/* round 2 */
- + dw = SUBKEY_L(i + 1) ^ SUBKEY_R(i + 1); dw = rol32(dw, 8);/* round 2 */
- SUBKEY_R(i + 1) = SUBKEY_L(i + 1) ^ dw; SUBKEY_L(i + 1) = dw;
- - dw = SUBKEY_L(i + 2) ^ SUBKEY_R(i + 2); dw = ROL8(dw);/* round 3 */
- + dw = SUBKEY_L(i + 2) ^ SUBKEY_R(i + 2); dw = rol32(dw, 8);/* round 3 */
- SUBKEY_R(i + 2) = SUBKEY_L(i + 2) ^ dw; SUBKEY_L(i + 2) = dw;
- - dw = SUBKEY_L(i + 3) ^ SUBKEY_R(i + 3); dw = ROL8(dw);/* round 4 */
- + dw = SUBKEY_L(i + 3) ^ SUBKEY_R(i + 3); dw = rol32(dw, 8);/* round 4 */
- SUBKEY_R(i + 3) = SUBKEY_L(i + 3) ^ dw; SUBKEY_L(i + 3) = dw;
- - dw = SUBKEY_L(i + 4) ^ SUBKEY_R(i + 4); dw = ROL8(dw);/* round 5 */
- + dw = SUBKEY_L(i + 4) ^ SUBKEY_R(i + 4); dw = rol32(dw, 9);/* round 5 */
- SUBKEY_R(i + 4) = SUBKEY_L(i + 4) ^ dw; SUBKEY_L(i + 4) = dw;
- - dw = SUBKEY_L(i + 5) ^ SUBKEY_R(i + 5); dw = ROL8(dw);/* round 6 */
- + dw = SUBKEY_L(i + 5) ^ SUBKEY_R(i + 5); dw = rol32(dw, 8);/* round 6 */
- SUBKEY_R(i + 5) = SUBKEY_L(i + 5) ^ dw; SUBKEY_L(i + 5) = dw;
- i += 8;
- } while (i < max);
- @@ -599,10 +587,10 @@ static void camellia_setup128(const unsi
- /**
- * k == kll || klr || krl || krr (|| is concatenation)
- */
- - GETU32(kll, key );
- - GETU32(klr, key + 4);
- - GETU32(krl, key + 8);
- - GETU32(krr, key + 12);
- + kll = get_unaligned_be32(key);
- + klr = get_unaligned_be32(key + 4);
- + krl = get_unaligned_be32(key + 8);
- + krr = get_unaligned_be32(key + 12);
-
- /* generate KL dependent subkeys */
- /* kw1 */
- @@ -707,14 +695,14 @@ static void camellia_setup256(const unsi
- * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
- * (|| is concatenation)
- */
- - GETU32(kll, key );
- - GETU32(klr, key + 4);
- - GETU32(krl, key + 8);
- - GETU32(krr, key + 12);
- - GETU32(krll, key + 16);
- - GETU32(krlr, key + 20);
- - GETU32(krrl, key + 24);
- - GETU32(krrr, key + 28);
- + kll = get_unaligned_be32(key);
- + klr = get_unaligned_be32(key + 4);
- + krl = get_unaligned_be32(key + 8);
- + krr = get_unaligned_be32(key + 12);
- + krll = get_unaligned_be32(key + 16);
- + krlr = get_unaligned_be32(key + 20);
- + krrl = get_unaligned_be32(key + 24);
- + krrr = get_unaligned_be32(key + 28);
-
- /* generate KL dependent subkeys */
- /* kw1 */
- @@ -870,13 +858,13 @@ static void camellia_setup192(const unsi
- t0 &= ll; \
- t2 |= rr; \
- rl ^= t2; \
- - lr ^= ROL1(t0); \
- + lr ^= rol32(t0, 1); \
- t3 = krl; \
- t1 = klr; \
- t3 &= rl; \
- t1 |= lr; \
- ll ^= t1; \
- - rr ^= ROL1(t3); \
- + rr ^= rol32(t3, 1); \
- } while(0)
-
- #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) \
- @@ -892,7 +880,7 @@ static void camellia_setup192(const unsi
- il ^= kl; \
- ir ^= il ^ kr; \
- yl ^= ir; \
- - yr ^= ROR8(il) ^ ir; \
- + yr ^= ror32(il, 8) ^ ir; \
- } while(0)
-
- /* max = 24: 128bit encrypt, max = 32: 256bit encrypt */
- --- a/crypto/crc32c.c
- +++ b/crypto/crc32c.c
- @@ -1,24 +1,27 @@
- -/*
- +/*
- * Cryptographic API.
- *
- * CRC32C chksum
- *
- * This module file is a wrapper to invoke the lib/crc32c routines.
- *
- + * Copyright (c) 2008 Herbert Xu <[email protected]>
- + *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- - * Software Foundation; either version 2 of the License, or (at your option)
- + * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */
- +
- +#include <crypto/internal/hash.h>
- #include <linux/init.h>
- #include <linux/module.h>
- #include <linux/string.h>
- -#include <linux/crypto.h>
- #include <linux/crc32c.h>
- #include <linux/kernel.h>
-
- -#define CHKSUM_BLOCK_SIZE 32
- +#define CHKSUM_BLOCK_SIZE 1
- #define CHKSUM_DIGEST_SIZE 4
-
- struct chksum_ctx {
- @@ -27,7 +30,7 @@ struct chksum_ctx {
- };
-
- /*
- - * Steps through buffer one byte at at time, calculates reflected
- + * Steps through buffer one byte at at time, calculates reflected
- * crc using table.
- */
-
- @@ -67,11 +70,11 @@ static void chksum_update(struct crypto_
- static void chksum_final(struct crypto_tfm *tfm, u8 *out)
- {
- struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
- -
- +
- *(__le32 *)out = ~cpu_to_le32(mctx->crc);
- }
-
- -static int crc32c_cra_init(struct crypto_tfm *tfm)
- +static int crc32c_cra_init_old(struct crypto_tfm *tfm)
- {
- struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
-
- @@ -79,14 +82,14 @@ static int crc32c_cra_init(struct crypto
- return 0;
- }
-
- -static struct crypto_alg alg = {
- +static struct crypto_alg old_alg = {
- .cra_name = "crc32c",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = CHKSUM_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct chksum_ctx),
- .cra_module = THIS_MODULE,
- - .cra_list = LIST_HEAD_INIT(alg.cra_list),
- - .cra_init = crc32c_cra_init,
- + .cra_list = LIST_HEAD_INIT(old_alg.cra_list),
- + .cra_init = crc32c_cra_init_old,
- .cra_u = {
- .digest = {
- .dia_digestsize= CHKSUM_DIGEST_SIZE,
- @@ -98,14 +101,125 @@ static struct crypto_alg alg = {
- }
- };
-
- +/*
- + * Setting the seed allows arbitrary accumulators and flexible XOR policy
- + * If your algorithm starts with ~0, then XOR with ~0 before you set
- + * the seed.
- + */
- +static int crc32c_setkey(struct crypto_ahash *hash, const u8 *key,
- + unsigned int keylen)
- +{
- + u32 *mctx = crypto_ahash_ctx(hash);
- +
- + if (keylen != sizeof(u32)) {
- + crypto_ahash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN);
- + return -EINVAL;
- + }
- + *mctx = le32_to_cpup((__le32 *)key);
- + return 0;
- +}
- +
- +static int crc32c_init(struct ahash_request *req)
- +{
- + u32 *mctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
- + u32 *crcp = ahash_request_ctx(req);
- +
- + *crcp = *mctx;
- + return 0;
- +}
- +
- +static int crc32c_update(struct ahash_request *req)
- +{
- + struct crypto_hash_walk walk;
- + u32 *crcp = ahash_request_ctx(req);
- + u32 crc = *crcp;
- + int nbytes;
- +
- + for (nbytes = crypto_hash_walk_first(req, &walk); nbytes;
- + nbytes = crypto_hash_walk_done(&walk, 0))
- + crc = crc32c(crc, walk.data, nbytes);
- +
- + *crcp = crc;
- + return 0;
- +}
- +
- +static int crc32c_final(struct ahash_request *req)
- +{
- + u32 *crcp = ahash_request_ctx(req);
- +
- + *(__le32 *)req->result = ~cpu_to_le32p(crcp);
- + return 0;
- +}
- +
- +static int crc32c_digest(struct ahash_request *req)
- +{
- + struct crypto_hash_walk walk;
- + u32 *mctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
- + u32 crc = *mctx;
- + int nbytes;
- +
- + for (nbytes = crypto_hash_walk_first(req, &walk); nbytes;
- + nbytes = crypto_hash_walk_done(&walk, 0))
- + crc = crc32c(crc, walk.data, nbytes);
- +
- + *(__le32 *)req->result = ~cpu_to_le32(crc);
- + return 0;
- +}
- +
- +static int crc32c_cra_init(struct crypto_tfm *tfm)
- +{
- + u32 *key = crypto_tfm_ctx(tfm);
- +
- + *key = ~0;
- +
- + tfm->crt_ahash.reqsize = sizeof(u32);
- +
- + return 0;
- +}
- +
- +static struct crypto_alg alg = {
- + .cra_name = "crc32c",
- + .cra_driver_name = "crc32c-generic",
- + .cra_priority = 100,
- + .cra_flags = CRYPTO_ALG_TYPE_AHASH,
- + .cra_blocksize = CHKSUM_BLOCK_SIZE,
- + .cra_alignmask = 3,
- + .cra_ctxsize = sizeof(u32),
- + .cra_module = THIS_MODULE,
- + .cra_list = LIST_HEAD_INIT(alg.cra_list),
- + .cra_init = crc32c_cra_init,
- + .cra_type = &crypto_ahash_type,
- + .cra_u = {
- + .ahash = {
- + .digestsize = CHKSUM_DIGEST_SIZE,
- + .setkey = crc32c_setkey,
- + .init = crc32c_init,
- + .update = crc32c_update,
- + .final = crc32c_final,
- + .digest = crc32c_digest,
- + }
- + }
- +};
- +
- static int __init crc32c_mod_init(void)
- {
- - return crypto_register_alg(&alg);
- + int err;
- +
- + err = crypto_register_alg(&old_alg);
- + if (err)
- + return err;
- +
- + err = crypto_register_alg(&alg);
- + if (err)
- + crypto_unregister_alg(&old_alg);
- +
- + return err;
- }
-
- static void __exit crc32c_mod_fini(void)
- {
- crypto_unregister_alg(&alg);
- + crypto_unregister_alg(&old_alg);
- }
-
- module_init(crc32c_mod_init);
- --- a/crypto/cryptd.c
- +++ b/crypto/cryptd.c
- @@ -11,6 +11,7 @@
- */
-
- #include <crypto/algapi.h>
- +#include <crypto/internal/hash.h>
- #include <linux/err.h>
- #include <linux/init.h>
- #include <linux/kernel.h>
- @@ -45,6 +46,13 @@ struct cryptd_blkcipher_request_ctx {
- crypto_completion_t complete;
- };
-
- +struct cryptd_hash_ctx {
- + struct crypto_hash *child;
- +};
- +
- +struct cryptd_hash_request_ctx {
- + crypto_completion_t complete;
- +};
-
- static inline struct cryptd_state *cryptd_get_state(struct crypto_tfm *tfm)
- {
- @@ -82,10 +90,8 @@ static void cryptd_blkcipher_crypt(struc
-
- rctx = ablkcipher_request_ctx(req);
-
- - if (unlikely(err == -EINPROGRESS)) {
- - rctx->complete(&req->base, err);
- - return;
- - }
- + if (unlikely(err == -EINPROGRESS))
- + goto out;
-
- desc.tfm = child;
- desc.info = req->info;
- @@ -95,8 +101,9 @@ static void cryptd_blkcipher_crypt(struc
-
- req->base.complete = rctx->complete;
-
- +out:
- local_bh_disable();
- - req->base.complete(&req->base, err);
- + rctx->complete(&req->base, err);
- local_bh_enable();
- }
-
- @@ -261,6 +268,240 @@ out_put_alg:
- return inst;
- }
-
- +static int cryptd_hash_init_tfm(struct crypto_tfm *tfm)
- +{
- + struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
- + struct cryptd_instance_ctx *ictx = crypto_instance_ctx(inst);
- + struct crypto_spawn *spawn = &ictx->spawn;
- + struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
- + struct crypto_hash *cipher;
- +
- + cipher = crypto_spawn_hash(spawn);
- + if (IS_ERR(cipher))
- + return PTR_ERR(cipher);
- +
- + ctx->child = cipher;
- + tfm->crt_ahash.reqsize =
- + sizeof(struct cryptd_hash_request_ctx);
- + return 0;
- +}
- +
- +static void cryptd_hash_exit_tfm(struct crypto_tfm *tfm)
- +{
- + struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
- + struct cryptd_state *state = cryptd_get_state(tfm);
- + int active;
- +
- + mutex_lock(&state->mutex);
- + active = ahash_tfm_in_queue(&state->queue,
- + __crypto_ahash_cast(tfm));
- + mutex_unlock(&state->mutex);
- +
- + BUG_ON(active);
- +
- + crypto_free_hash(ctx->child);
- +}
- +
- +static int cryptd_hash_setkey(struct crypto_ahash *parent,
- + const u8 *key, unsigned int keylen)
- +{
- + struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(parent);
- + struct crypto_hash *child = ctx->child;
- + int err;
- +
- + crypto_hash_clear_flags(child, CRYPTO_TFM_REQ_MASK);
- + crypto_hash_set_flags(child, crypto_ahash_get_flags(parent) &
- + CRYPTO_TFM_REQ_MASK);
- + err = crypto_hash_setkey(child, key, keylen);
- + crypto_ahash_set_flags(parent, crypto_hash_get_flags(child) &
- + CRYPTO_TFM_RES_MASK);
- + return err;
- +}
- +
- +static int cryptd_hash_enqueue(struct ahash_request *req,
- + crypto_completion_t complete)
- +{
- + struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
- + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
- + struct cryptd_state *state =
- + cryptd_get_state(crypto_ahash_tfm(tfm));
- + int err;
- +
- + rctx->complete = req->base.complete;
- + req->base.complete = complete;
- +
- + spin_lock_bh(&state->lock);
- + err = ahash_enqueue_request(&state->queue, req);
- + spin_unlock_bh(&state->lock);
- +
- + wake_up_process(state->task);
- + return err;
- +}
- +
- +static void cryptd_hash_init(struct crypto_async_request *req_async, int err)
- +{
- + struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
- + struct crypto_hash *child = ctx->child;
- + struct ahash_request *req = ahash_request_cast(req_async);
- + struct cryptd_hash_request_ctx *rctx;
- + struct hash_desc desc;
- +
- + rctx = ahash_request_ctx(req);
- +
- + if (unlikely(err == -EINPROGRESS))
- + goto out;
- +
- + desc.tfm = child;
- + desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
- +
- + err = crypto_hash_crt(child)->init(&desc);
- +
- + req->base.complete = rctx->complete;
- +
- +out:
- + local_bh_disable();
- + rctx->complete(&req->base, err);
- + local_bh_enable();
- +}
- +
- +static int cryptd_hash_init_enqueue(struct ahash_request *req)
- +{
- + return cryptd_hash_enqueue(req, cryptd_hash_init);
- +}
- +
- +static void cryptd_hash_update(struct crypto_async_request *req_async, int err)
- +{
- + struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
- + struct crypto_hash *child = ctx->child;
- + struct ahash_request *req = ahash_request_cast(req_async);
- + struct cryptd_hash_request_ctx *rctx;
- + struct hash_desc desc;
- +
- + rctx = ahash_request_ctx(req);
- +
- + if (unlikely(err == -EINPROGRESS))
- + goto out;
- +
- + desc.tfm = child;
- + desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
- +
- + err = crypto_hash_crt(child)->update(&desc,
- + req->src,
- + req->nbytes);
- +
- + req->base.complete = rctx->complete;
- +
- +out:
- + local_bh_disable();
- + rctx->complete(&req->base, err);
- + local_bh_enable();
- +}
- +
- +static int cryptd_hash_update_enqueue(struct ahash_request *req)
- +{
- + return cryptd_hash_enqueue(req, cryptd_hash_update);
- +}
- +
- +static void cryptd_hash_final(struct crypto_async_request *req_async, int err)
- +{
- + struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
- + struct crypto_hash *child = ctx->child;
- + struct ahash_request *req = ahash_request_cast(req_async);
- + struct cryptd_hash_request_ctx *rctx;
- + struct hash_desc desc;
- +
- + rctx = ahash_request_ctx(req);
- +
- + if (unlikely(err == -EINPROGRESS))
- + goto out;
- +
- + desc.tfm = child;
- + desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
- +
- + err = crypto_hash_crt(child)->final(&desc, req->result);
- +
- + req->base.complete = rctx->complete;
- +
- +out:
- + local_bh_disable();
- + rctx->complete(&req->base, err);
- + local_bh_enable();
- +}
- +
- +static int cryptd_hash_final_enqueue(struct ahash_request *req)
- +{
- + return cryptd_hash_enqueue(req, cryptd_hash_final);
- +}
- +
- +static void cryptd_hash_digest(struct crypto_async_request *req_async, int err)
- +{
- + struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
- + struct crypto_hash *child = ctx->child;
- + struct ahash_request *req = ahash_request_cast(req_async);
- + struct cryptd_hash_request_ctx *rctx;
- + struct hash_desc desc;
- +
- + rctx = ahash_request_ctx(req);
- +
- + if (unlikely(err == -EINPROGRESS))
- + goto out;
- +
- + desc.tfm = child;
- + desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
- +
- + err = crypto_hash_crt(child)->digest(&desc,
- + req->src,
- + req->nbytes,
- + req->result);
- +
- + req->base.complete = rctx->complete;
- +
- +out:
- + local_bh_disable();
- + rctx->complete(&req->base, err);
- + local_bh_enable();
- +}
- +
- +static int cryptd_hash_digest_enqueue(struct ahash_request *req)
- +{
- + return cryptd_hash_enqueue(req, cryptd_hash_digest);
- +}
- +
- +static struct crypto_instance *cryptd_alloc_hash(
- + struct rtattr **tb, struct cryptd_state *state)
- +{
- + struct crypto_instance *inst;
- + struct crypto_alg *alg;
- +
- + alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_HASH,
- + CRYPTO_ALG_TYPE_HASH_MASK);
- + if (IS_ERR(alg))
- + return ERR_PTR(PTR_ERR(alg));
- +
- + inst = cryptd_alloc_instance(alg, state);
- + if (IS_ERR(inst))
- + goto out_put_alg;
- +
- + inst->alg.cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC;
- + inst->alg.cra_type = &crypto_ahash_type;
- +
- + inst->alg.cra_ahash.digestsize = alg->cra_hash.digestsize;
- + inst->alg.cra_ctxsize = sizeof(struct cryptd_hash_ctx);
- +
- + inst->alg.cra_init = cryptd_hash_init_tfm;
- + inst->alg.cra_exit = cryptd_hash_exit_tfm;
- +
- + inst->alg.cra_ahash.init = cryptd_hash_init_enqueue;
- + inst->alg.cra_ahash.update = cryptd_hash_update_enqueue;
- + inst->alg.cra_ahash.final = cryptd_hash_final_enqueue;
- + inst->alg.cra_ahash.setkey = cryptd_hash_setkey;
- + inst->alg.cra_ahash.digest = cryptd_hash_digest_enqueue;
- +
- +out_put_alg:
- + crypto_mod_put(alg);
- + return inst;
- +}
- +
- static struct cryptd_state state;
-
- static struct crypto_instance *cryptd_alloc(struct rtattr **tb)
- @@ -274,6 +515,8 @@ static struct crypto_instance *cryptd_al
- switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
- case CRYPTO_ALG_TYPE_BLKCIPHER:
- return cryptd_alloc_blkcipher(tb, &state);
- + case CRYPTO_ALG_TYPE_DIGEST:
- + return cryptd_alloc_hash(tb, &state);
- }
-
- return ERR_PTR(-EINVAL);
- --- a/crypto/digest.c
- +++ b/crypto/digest.c
- @@ -12,6 +12,7 @@
- *
- */
-
- +#include <crypto/internal/hash.h>
- #include <crypto/scatterwalk.h>
- #include <linux/mm.h>
- #include <linux/errno.h>
- @@ -141,7 +142,7 @@ int crypto_init_digest_ops(struct crypto
- struct hash_tfm *ops = &tfm->crt_hash;
- struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
-
- - if (dalg->dia_digestsize > crypto_tfm_alg_blocksize(tfm))
- + if (dalg->dia_digestsize > PAGE_SIZE / 8)
- return -EINVAL;
-
- ops->init = init;
- @@ -157,3 +158,83 @@ int crypto_init_digest_ops(struct crypto
- void crypto_exit_digest_ops(struct crypto_tfm *tfm)
- {
- }
- +
- +static int digest_async_nosetkey(struct crypto_ahash *tfm_async, const u8 *key,
- + unsigned int keylen)
- +{
- + crypto_ahash_clear_flags(tfm_async, CRYPTO_TFM_RES_MASK);
- + return -ENOSYS;
- +}
- +
- +static int digest_async_setkey(struct crypto_ahash *tfm_async, const u8 *key,
- + unsigned int keylen)
- +{
- + struct crypto_tfm *tfm = crypto_ahash_tfm(tfm_async);
- + struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
- +
- + crypto_ahash_clear_flags(tfm_async, CRYPTO_TFM_RES_MASK);
- + return dalg->dia_setkey(tfm, key, keylen);
- +}
- +
- +static int digest_async_init(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
- +
- + dalg->dia_init(tfm);
- + return 0;
- +}
- +
- +static int digest_async_update(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct hash_desc desc = {
- + .tfm = __crypto_hash_cast(tfm),
- + .flags = req->base.flags,
- + };
- +
- + update(&desc, req->src, req->nbytes);
- + return 0;
- +}
- +
- +static int digest_async_final(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct hash_desc desc = {
- + .tfm = __crypto_hash_cast(tfm),
- + .flags = req->base.flags,
- + };
- +
- + final(&desc, req->result);
- + return 0;
- +}
- +
- +static int digest_async_digest(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct hash_desc desc = {
- + .tfm = __crypto_hash_cast(tfm),
- + .flags = req->base.flags,
- + };
- +
- + return digest(&desc, req->src, req->nbytes, req->result);
- +}
- +
- +int crypto_init_digest_ops_async(struct crypto_tfm *tfm)
- +{
- + struct ahash_tfm *crt = &tfm->crt_ahash;
- + struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
- +
- + if (dalg->dia_digestsize > crypto_tfm_alg_blocksize(tfm))
- + return -EINVAL;
- +
- + crt->init = digest_async_init;
- + crt->update = digest_async_update;
- + crt->final = digest_async_final;
- + crt->digest = digest_async_digest;
- + crt->setkey = dalg->dia_setkey ? digest_async_setkey :
- + digest_async_nosetkey;
- + crt->digestsize = dalg->dia_digestsize;
- +
- + return 0;
- +}
- --- a/crypto/hash.c
- +++ b/crypto/hash.c
- @@ -9,6 +9,7 @@
- * any later version.
- */
-
- +#include <crypto/internal/hash.h>
- #include <linux/errno.h>
- #include <linux/kernel.h>
- #include <linux/module.h>
- @@ -59,24 +60,107 @@ static int hash_setkey(struct crypto_has
- return alg->setkey(crt, key, keylen);
- }
-
- -static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
- +static int hash_async_setkey(struct crypto_ahash *tfm_async, const u8 *key,
- + unsigned int keylen)
- +{
- + struct crypto_tfm *tfm = crypto_ahash_tfm(tfm_async);
- + struct crypto_hash *tfm_hash = __crypto_hash_cast(tfm);
- + struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
- +
- + return alg->setkey(tfm_hash, key, keylen);
- +}
- +
- +static int hash_async_init(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
- + struct hash_desc desc = {
- + .tfm = __crypto_hash_cast(tfm),
- + .flags = req->base.flags,
- + };
- +
- + return alg->init(&desc);
- +}
- +
- +static int hash_async_update(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
- + struct hash_desc desc = {
- + .tfm = __crypto_hash_cast(tfm),
- + .flags = req->base.flags,
- + };
- +
- + return alg->update(&desc, req->src, req->nbytes);
- +}
- +
- +static int hash_async_final(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
- + struct hash_desc desc = {
- + .tfm = __crypto_hash_cast(tfm),
- + .flags = req->base.flags,
- + };
- +
- + return alg->final(&desc, req->result);
- +}
- +
- +static int hash_async_digest(struct ahash_request *req)
- +{
- + struct crypto_tfm *tfm = req->base.tfm;
- + struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
- + struct hash_desc desc = {
- + .tfm = __crypto_hash_cast(tfm),
- + .flags = req->base.flags,
- + };
- +
- + return alg->digest(&desc, req->src, req->nbytes, req->result);
- +}
- +
- +static int crypto_init_hash_ops_async(struct crypto_tfm *tfm)
- +{
- + struct ahash_tfm *crt = &tfm->crt_ahash;
- + struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
- +
- + crt->init = hash_async_init;
- + crt->update = hash_async_update;
- + crt->final = hash_async_final;
- + crt->digest = hash_async_digest;
- + crt->setkey = hash_async_setkey;
- + crt->digestsize = alg->digestsize;
- +
- + return 0;
- +}
- +
- +static int crypto_init_hash_ops_sync(struct crypto_tfm *tfm)
- {
- struct hash_tfm *crt = &tfm->crt_hash;
- struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
-
- - if (alg->digestsize > crypto_tfm_alg_blocksize(tfm))
- - return -EINVAL;
- -
- - crt->init = alg->init;
- - crt->update = alg->update;
- - crt->final = alg->final;
- - crt->digest = alg->digest;
- - crt->setkey = hash_setkey;
- + crt->init = alg->init;
- + crt->update = alg->update;
- + crt->final = alg->final;
- + crt->digest = alg->digest;
- + crt->setkey = hash_setkey;
- crt->digestsize = alg->digestsize;
-
- return 0;
- }
-
- +static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
- +{
- + struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
- +
- + if (alg->digestsize > PAGE_SIZE / 8)
- + return -EINVAL;
- +
- + if ((mask & CRYPTO_ALG_TYPE_HASH_MASK) != CRYPTO_ALG_TYPE_HASH_MASK)
- + return crypto_init_hash_ops_async(tfm);
- + else
- + return crypto_init_hash_ops_sync(tfm);
- +}
- +
- static void crypto_hash_show(struct seq_file *m, struct crypto_alg *alg)
- __attribute__ ((unused));
- static void crypto_hash_show(struct seq_file *m, struct crypto_alg *alg)
- --- a/crypto/hmac.c
- +++ b/crypto/hmac.c
- @@ -226,6 +226,7 @@ static struct crypto_instance *hmac_allo
- struct crypto_instance *inst;
- struct crypto_alg *alg;
- int err;
- + int ds;
-
- err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_HASH);
- if (err)
- @@ -236,6 +237,13 @@ static struct crypto_instance *hmac_allo
- if (IS_ERR(alg))
- return ERR_CAST(alg);
-
- + inst = ERR_PTR(-EINVAL);
- + ds = (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
- + CRYPTO_ALG_TYPE_HASH ? alg->cra_hash.digestsize :
- + alg->cra_digest.dia_digestsize;
- + if (ds > alg->cra_blocksize)
- + goto out_put_alg;
- +
- inst = crypto_alloc_instance("hmac", alg);
- if (IS_ERR(inst))
- goto out_put_alg;
- @@ -246,14 +254,10 @@ static struct crypto_instance *hmac_allo
- inst->alg.cra_alignmask = alg->cra_alignmask;
- inst->alg.cra_type = &crypto_hash_type;
-
- - inst->alg.cra_hash.digestsize =
- - (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
- - CRYPTO_ALG_TYPE_HASH ? alg->cra_hash.digestsize :
- - alg->cra_digest.dia_digestsize;
- + inst->alg.cra_hash.digestsize = ds;
-
- inst->alg.cra_ctxsize = sizeof(struct hmac_ctx) +
- - ALIGN(inst->alg.cra_blocksize * 2 +
- - inst->alg.cra_hash.digestsize,
- + ALIGN(inst->alg.cra_blocksize * 2 + ds,
- sizeof(void *));
-
- inst->alg.cra_init = hmac_init_tfm;
- --- a/crypto/internal.h
- +++ b/crypto/internal.h
- @@ -86,6 +86,7 @@ struct crypto_alg *__crypto_alg_lookup(c
- struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
-
- int crypto_init_digest_ops(struct crypto_tfm *tfm);
- +int crypto_init_digest_ops_async(struct crypto_tfm *tfm);
- int crypto_init_cipher_ops(struct crypto_tfm *tfm);
- int crypto_init_compress_ops(struct crypto_tfm *tfm);
-
- --- /dev/null
- +++ b/crypto/prng.c
- @@ -0,0 +1,410 @@
- +/*
- + * PRNG: Pseudo Random Number Generator
- + * Based on NIST Recommended PRNG From ANSI X9.31 Appendix A.2.4 using
- + * AES 128 cipher in RFC3686 ctr mode
- + *
- + * (C) Neil Horman <[email protected]>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the
- + * Free Software Foundation; either version 2 of the License, or (at your
- + * any later version.
- + *
- + *
- + */
- +
- +#include <linux/err.h>
- +#include <linux/init.h>
- +#include <linux/module.h>
- +#include <linux/mm.h>
- +#include <linux/slab.h>
- +#include <linux/fs.h>
- +#include <linux/scatterlist.h>
- +#include <linux/string.h>
- +#include <linux/crypto.h>
- +#include <linux/highmem.h>
- +#include <linux/moduleparam.h>
- +#include <linux/jiffies.h>
- +#include <linux/timex.h>
- +#include <linux/interrupt.h>
- +#include <linux/miscdevice.h>
- +#include "prng.h"
- +
- +#define TEST_PRNG_ON_START 0
- +
- +#define DEFAULT_PRNG_KEY "0123456789abcdef1011"
- +#define DEFAULT_PRNG_KSZ 20
- +#define DEFAULT_PRNG_IV "defaultv"
- +#define DEFAULT_PRNG_IVSZ 8
- +#define DEFAULT_BLK_SZ 16
- +#define DEFAULT_V_SEED "zaybxcwdveuftgsh"
- +
- +/*
- + * Flags for the prng_context flags field
- + */
- +
- +#define PRNG_FIXED_SIZE 0x1
- +#define PRNG_NEED_RESET 0x2
- +
- +/*
- + * Note: DT is our counter value
- + * I is our intermediate value
- + * V is our seed vector
- + * See http://csrc.nist.gov/groups/STM/cavp/documents/rng/931rngext.pdf
- + * for implementation details
- + */
- +
- +
- +struct prng_context {
- + char *prng_key;
- + char *prng_iv;
- + spinlock_t prng_lock;
- + unsigned char rand_data[DEFAULT_BLK_SZ];
- + unsigned char last_rand_data[DEFAULT_BLK_SZ];
- + unsigned char DT[DEFAULT_BLK_SZ];
- + unsigned char I[DEFAULT_BLK_SZ];
- + unsigned char V[DEFAULT_BLK_SZ];
- + u32 rand_data_valid;
- + struct crypto_blkcipher *tfm;
- + u32 flags;
- +};
- +
- +static int dbg;
- +
- +static void hexdump(char *note, unsigned char *buf, unsigned int len)
- +{
- + if (dbg) {
- + printk(KERN_CRIT "%s", note);
- + print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
- + 16, 1,
- + buf, len, false);
- + }
- +}
- +
- +#define dbgprint(format, args...) do {if(dbg) printk(format, ##args);} while(0)
- +
- +static void xor_vectors(unsigned char *in1, unsigned char *in2,
- + unsigned char *out, unsigned int size)
- +{
- + int i;
- +
- + for (i=0;i<size;i++)
- + out[i] = in1[i] ^ in2[i];
- +
- +}
- +/*
- + * Returns DEFAULT_BLK_SZ bytes of random data per call
- + * returns 0 if generation succeded, <0 if something went wrong
- + */
- +static int _get_more_prng_bytes(struct prng_context *ctx)
- +{
- + int i;
- + struct blkcipher_desc desc;
- + struct scatterlist sg_in, sg_out;
- + int ret;
- + unsigned char tmp[DEFAULT_BLK_SZ];
- +
- + desc.tfm = ctx->tfm;
- + desc.flags = 0;
- +
- +
- + dbgprint(KERN_CRIT "Calling _get_more_prng_bytes for context %p\n",ctx);
- +
- + hexdump("Input DT: ", ctx->DT, DEFAULT_BLK_SZ);
- + hexdump("Input I: ", ctx->I, DEFAULT_BLK_SZ);
- + hexdump("Input V: ", ctx->V, DEFAULT_BLK_SZ);
- +
- + /*
- + * This algorithm is a 3 stage state machine
- + */
- + for (i=0;i<3;i++) {
- +
- + desc.tfm = ctx->tfm;
- + desc.flags = 0;
- + switch (i) {
- + case 0:
- + /*
- + * Start by encrypting the counter value
- + * This gives us an intermediate value I
- + */
- + memcpy(tmp, ctx->DT, DEFAULT_BLK_SZ);
- + sg_init_one(&sg_out, &ctx->I[0], DEFAULT_BLK_SZ);
- + hexdump("tmp stage 0: ", tmp, DEFAULT_BLK_SZ);
- + break;
- + case 1:
- +
- + /*
- + * Next xor I with our secret vector V
- + * encrypt that result to obtain our
- + * pseudo random data which we output
- + */
- + xor_vectors(ctx->I, ctx->V, tmp, DEFAULT_BLK_SZ);
- + sg_init_one(&sg_out, &ctx->rand_data[0], DEFAULT_BLK_SZ);
- + hexdump("tmp stage 1: ", tmp, DEFAULT_BLK_SZ);
- + break;
- + case 2:
- + /*
- + * First check that we didn't produce the same random data
- + * that we did last time around through this
- + */
- + if (!memcmp(ctx->rand_data, ctx->last_rand_data, DEFAULT_BLK_SZ)) {
- + printk(KERN_ERR "ctx %p Failed repetition check!\n",
- + ctx);
- + ctx->flags |= PRNG_NEED_RESET;
- + return -1;
- + }
- + memcpy(ctx->last_rand_data, ctx->rand_data, DEFAULT_BLK_SZ);
- +
- + /*
- + * Lastly xor the random data with I
- + * and encrypt that to obtain a new secret vector V
- + */
- + xor_vectors(ctx->rand_data, ctx->I, tmp, DEFAULT_BLK_SZ);
- + sg_init_one(&sg_out, &ctx->V[0], DEFAULT_BLK_SZ);
- + hexdump("tmp stage 2: ", tmp, DEFAULT_BLK_SZ);
- + break;
- + }
- +
- + /* Initialize our input buffer */
- + sg_init_one(&sg_in, &tmp[0], DEFAULT_BLK_SZ);
- +
- + /* do the encryption */
- + ret = crypto_blkcipher_encrypt(&desc, &sg_out, &sg_in, DEFAULT_BLK_SZ);
- +
- + /* And check the result */
- + if (ret) {
- + dbgprint(KERN_CRIT "Encryption of new block failed for context %p\n",ctx);
- + ctx->rand_data_valid = DEFAULT_BLK_SZ;
- + return -1;
- + }
- +
- + }
- +
- + /*
- + * Now update our DT value
- + */
- + for (i=DEFAULT_BLK_SZ-1;i>0;i--) {
- + ctx->DT[i] = ctx->DT[i-1];
- + }
- + ctx->DT[0] += 1;
- +
- + dbgprint("Returning new block for context %p\n",ctx);
- + ctx->rand_data_valid = 0;
- +
- + hexdump("Output DT: ", ctx->DT, DEFAULT_BLK_SZ);
- + hexdump("Output I: ", ctx->I, DEFAULT_BLK_SZ);
- + hexdump("Output V: ", ctx->V, DEFAULT_BLK_SZ);
- + hexdump("New Random Data: ", ctx->rand_data, DEFAULT_BLK_SZ);
- +
- + return 0;
- +}
- +
- +/* Our exported functions */
- +int get_prng_bytes(char *buf, int nbytes, struct prng_context *ctx)
- +{
- + unsigned long flags;
- + unsigned char *ptr = buf;
- + unsigned int byte_count = (unsigned int)nbytes;
- + int err;
- +
- +
- + if (nbytes < 0)
- + return -EINVAL;
- +
- + spin_lock_irqsave(&ctx->prng_lock, flags);
- +
- + err = -EFAULT;
- + if (ctx->flags & PRNG_NEED_RESET)
- + goto done;
- +
- + /*
- + * If the FIXED_SIZE flag is on, only return whole blocks of
- + * pseudo random data
- + */
- + err = -EINVAL;
- + if (ctx->flags & PRNG_FIXED_SIZE) {
- + if (nbytes < DEFAULT_BLK_SZ)
- + goto done;
- + byte_count = DEFAULT_BLK_SZ;
- + }
- +
- + err = byte_count;
- +
- + dbgprint(KERN_CRIT "getting %d random bytes for context %p\n",byte_count, ctx);
- +
- +
- +remainder:
- + if (ctx->rand_data_valid == DEFAULT_BLK_SZ) {
- + if (_get_more_prng_bytes(ctx) < 0) {
- + memset(buf, 0, nbytes);
- + err = -EFAULT;
- + goto done;
- + }
- + }
- +
- + /*
- + * Copy up to the next whole block size
- + */
- + if (byte_count < DEFAULT_BLK_SZ) {
- + for (;ctx->rand_data_valid < DEFAULT_BLK_SZ; ctx->rand_data_valid++) {
- + *ptr = ctx->rand_data[ctx->rand_data_valid];
- + ptr++;
- + byte_count--;
- + if (byte_count == 0)
- + goto done;
- + }
- + }
- +
- + /*
- + * Now copy whole blocks
- + */
- + for(;byte_count >= DEFAULT_BLK_SZ; byte_count -= DEFAULT_BLK_SZ) {
- + if (_get_more_prng_bytes(ctx) < 0) {
- + memset(buf, 0, nbytes);
- + err = -1;
- + goto done;
- + }
- + memcpy(ptr, ctx->rand_data, DEFAULT_BLK_SZ);
- + ctx->rand_data_valid += DEFAULT_BLK_SZ;
- + ptr += DEFAULT_BLK_SZ;
- + }
- +
- + /*
- + * Now copy any extra partial data
- + */
- + if (byte_count)
- + goto remainder;
- +
- +done:
- + spin_unlock_irqrestore(&ctx->prng_lock, flags);
- + dbgprint(KERN_CRIT "returning %d from get_prng_bytes in context %p\n",err, ctx);
- + return err;
- +}
- +EXPORT_SYMBOL_GPL(get_prng_bytes);
- +
- +struct prng_context *alloc_prng_context(void)
- +{
- + struct prng_context *ctx=kzalloc(sizeof(struct prng_context), GFP_KERNEL);
- +
- + spin_lock_init(&ctx->prng_lock);
- +
- + if (reset_prng_context(ctx, NULL, NULL, NULL, NULL)) {
- + kfree(ctx);
- + ctx = NULL;
- + }
- +
- + dbgprint(KERN_CRIT "returning context %p\n",ctx);
- + return ctx;
- +}
- +
- +EXPORT_SYMBOL_GPL(alloc_prng_context);
- +
- +void free_prng_context(struct prng_context *ctx)
- +{
- + crypto_free_blkcipher(ctx->tfm);
- + kfree(ctx);
- +}
- +EXPORT_SYMBOL_GPL(free_prng_context);
- +
- +int reset_prng_context(struct prng_context *ctx,
- + unsigned char *key, unsigned char *iv,
- + unsigned char *V, unsigned char *DT)
- +{
- + int ret;
- + int iv_len;
- + int rc = -EFAULT;
- +
- + spin_lock(&ctx->prng_lock);
- + ctx->flags |= PRNG_NEED_RESET;
- +
- + if (key)
- + memcpy(ctx->prng_key,key,strlen(ctx->prng_key));
- + else
- + ctx->prng_key = DEFAULT_PRNG_KEY;
- +
- + if (iv)
- + memcpy(ctx->prng_iv,iv, strlen(ctx->prng_iv));
- + else
- + ctx->prng_iv = DEFAULT_PRNG_IV;
- +
- + if (V)
- + memcpy(ctx->V,V,DEFAULT_BLK_SZ);
- + else
- + memcpy(ctx->V,DEFAULT_V_SEED,DEFAULT_BLK_SZ);
- +
- + if (DT)
- + memcpy(ctx->DT, DT, DEFAULT_BLK_SZ);
- + else
- + memset(ctx->DT, 0, DEFAULT_BLK_SZ);
- +
- + memset(ctx->rand_data,0,DEFAULT_BLK_SZ);
- + memset(ctx->last_rand_data,0,DEFAULT_BLK_SZ);
- +
- + if (ctx->tfm)
- + crypto_free_blkcipher(ctx->tfm);
- +
- + ctx->tfm = crypto_alloc_blkcipher("rfc3686(ctr(aes))",0,0);
- + if (!ctx->tfm) {
- + dbgprint(KERN_CRIT "Failed to alloc crypto tfm for context %p\n",ctx->tfm);
- + goto out;
- + }
- +
- + ctx->rand_data_valid = DEFAULT_BLK_SZ;
- +
- + ret = crypto_blkcipher_setkey(ctx->tfm, ctx->prng_key, strlen(ctx->prng_key));
- + if (ret) {
- + dbgprint(KERN_CRIT "PRNG: setkey() failed flags=%x\n",
- + crypto_blkcipher_get_flags(ctx->tfm));
- + crypto_free_blkcipher(ctx->tfm);
- + goto out;
- + }
- +
- + iv_len = crypto_blkcipher_ivsize(ctx->tfm);
- + if (iv_len) {
- + crypto_blkcipher_set_iv(ctx->tfm, ctx->prng_iv, iv_len);
- + }
- + rc = 0;
- + ctx->flags &= ~PRNG_NEED_RESET;
- +out:
- + spin_unlock(&ctx->prng_lock);
- +
- + return rc;
- +
- +}
- +EXPORT_SYMBOL_GPL(reset_prng_context);
- +
- +/* Module initalization */
- +static int __init prng_mod_init(void)
- +{
- +
- +#ifdef TEST_PRNG_ON_START
- + int i;
- + unsigned char tmpbuf[DEFAULT_BLK_SZ];
- +
- + struct prng_context *ctx = alloc_prng_context();
- + if (ctx == NULL)
- + return -EFAULT;
- + for (i=0;i<16;i++) {
- + if (get_prng_bytes(tmpbuf, DEFAULT_BLK_SZ, ctx) < 0) {
- + free_prng_context(ctx);
- + return -EFAULT;
- + }
- + }
- + free_prng_context(ctx);
- +#endif
- +
- + return 0;
- +}
- +
- +static void __exit prng_mod_fini(void)
- +{
- + return;
- +}
- +
- +MODULE_LICENSE("GPL");
- +MODULE_DESCRIPTION("Software Pseudo Random Number Generator");
- +MODULE_AUTHOR("Neil Horman <[email protected]>");
- +module_param(dbg, int, 0);
- +MODULE_PARM_DESC(dbg, "Boolean to enable debugging (0/1 == off/on)");
- +module_init(prng_mod_init);
- +module_exit(prng_mod_fini);
- --- /dev/null
- +++ b/crypto/prng.h
- @@ -0,0 +1,27 @@
- +/*
- + * PRNG: Pseudo Random Number Generator
- + *
- + * (C) Neil Horman <[email protected]>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the
- + * Free Software Foundation; either version 2 of the License, or (at your
- + * any later version.
- + *
- + *
- + */
- +
- +#ifndef _PRNG_H_
- +#define _PRNG_H_
- +struct prng_context;
- +
- +int get_prng_bytes(char *buf, int nbytes, struct prng_context *ctx);
- +struct prng_context *alloc_prng_context(void);
- +int reset_prng_context(struct prng_context *ctx,
- + unsigned char *key, unsigned char *iv,
- + unsigned char *V,
- + unsigned char *DT);
- +void free_prng_context(struct prng_context *ctx);
- +
- +#endif
- +
- --- /dev/null
- +++ b/crypto/ripemd.h
- @@ -0,0 +1,43 @@
- +/*
- + * Common values for RIPEMD algorithms
- + */
- +
- +#ifndef _CRYPTO_RMD_H
- +#define _CRYPTO_RMD_H
- +
- +#define RMD128_DIGEST_SIZE 16
- +#define RMD128_BLOCK_SIZE 64
- +
- +#define RMD160_DIGEST_SIZE 20
- +#define RMD160_BLOCK_SIZE 64
- +
- +#define RMD256_DIGEST_SIZE 32
- +#define RMD256_BLOCK_SIZE 64
- +
- +#define RMD320_DIGEST_SIZE 40
- +#define RMD320_BLOCK_SIZE 64
- +
- +/* initial values */
- +#define RMD_H0 0x67452301UL
- +#define RMD_H1 0xefcdab89UL
- +#define RMD_H2 0x98badcfeUL
- +#define RMD_H3 0x10325476UL
- +#define RMD_H4 0xc3d2e1f0UL
- +#define RMD_H5 0x76543210UL
- +#define RMD_H6 0xfedcba98UL
- +#define RMD_H7 0x89abcdefUL
- +#define RMD_H8 0x01234567UL
- +#define RMD_H9 0x3c2d1e0fUL
- +
- +/* constants */
- +#define RMD_K1 0x00000000UL
- +#define RMD_K2 0x5a827999UL
- +#define RMD_K3 0x6ed9eba1UL
- +#define RMD_K4 0x8f1bbcdcUL
- +#define RMD_K5 0xa953fd4eUL
- +#define RMD_K6 0x50a28be6UL
- +#define RMD_K7 0x5c4dd124UL
- +#define RMD_K8 0x6d703ef3UL
- +#define RMD_K9 0x7a6d76e9UL
- +
- +#endif
- --- /dev/null
- +++ b/crypto/rmd128.c
- @@ -0,0 +1,325 @@
- +/*
- + * Cryptographic API.
- + *
- + * RIPEMD-128 - RACE Integrity Primitives Evaluation Message Digest.
- + *
- + * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
- + *
- + * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the Free
- + * Software Foundation; either version 2 of the License, or (at your option)
- + * any later version.
- + *
- + */
- +#include <linux/init.h>
- +#include <linux/module.h>
- +#include <linux/mm.h>
- +#include <linux/crypto.h>
- +#include <linux/cryptohash.h>
- +#include <linux/types.h>
- +#include <asm/byteorder.h>
- +
- +#include "ripemd.h"
- +
- +struct rmd128_ctx {
- + u64 byte_count;
- + u32 state[4];
- + __le32 buffer[16];
- +};
- +
- +#define K1 RMD_K1
- +#define K2 RMD_K2
- +#define K3 RMD_K3
- +#define K4 RMD_K4
- +#define KK1 RMD_K6
- +#define KK2 RMD_K7
- +#define KK3 RMD_K8
- +#define KK4 RMD_K1
- +
- +#define F1(x, y, z) (x ^ y ^ z) /* XOR */
- +#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
- +#define F3(x, y, z) ((x | ~y) ^ z)
- +#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
- +
- +#define ROUND(a, b, c, d, f, k, x, s) { \
- + (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
- + (a) = rol32((a), (s)); \
- +}
- +
- +static void rmd128_transform(u32 *state, const __le32 *in)
- +{
- + u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd;
- +
- + /* Initialize left lane */
- + aa = state[0];
- + bb = state[1];
- + cc = state[2];
- + dd = state[3];
- +
- + /* Initialize right lane */
- + aaa = state[0];
- + bbb = state[1];
- + ccc = state[2];
- + ddd = state[3];
- +
- + /* round 1: left lane */
- + ROUND(aa, bb, cc, dd, F1, K1, in[0], 11);
- + ROUND(dd, aa, bb, cc, F1, K1, in[1], 14);
- + ROUND(cc, dd, aa, bb, F1, K1, in[2], 15);
- + ROUND(bb, cc, dd, aa, F1, K1, in[3], 12);
- + ROUND(aa, bb, cc, dd, F1, K1, in[4], 5);
- + ROUND(dd, aa, bb, cc, F1, K1, in[5], 8);
- + ROUND(cc, dd, aa, bb, F1, K1, in[6], 7);
- + ROUND(bb, cc, dd, aa, F1, K1, in[7], 9);
- + ROUND(aa, bb, cc, dd, F1, K1, in[8], 11);
- + ROUND(dd, aa, bb, cc, F1, K1, in[9], 13);
- + ROUND(cc, dd, aa, bb, F1, K1, in[10], 14);
- + ROUND(bb, cc, dd, aa, F1, K1, in[11], 15);
- + ROUND(aa, bb, cc, dd, F1, K1, in[12], 6);
- + ROUND(dd, aa, bb, cc, F1, K1, in[13], 7);
- + ROUND(cc, dd, aa, bb, F1, K1, in[14], 9);
- + ROUND(bb, cc, dd, aa, F1, K1, in[15], 8);
- +
- + /* round 2: left lane */
- + ROUND(aa, bb, cc, dd, F2, K2, in[7], 7);
- + ROUND(dd, aa, bb, cc, F2, K2, in[4], 6);
- + ROUND(cc, dd, aa, bb, F2, K2, in[13], 8);
- + ROUND(bb, cc, dd, aa, F2, K2, in[1], 13);
- + ROUND(aa, bb, cc, dd, F2, K2, in[10], 11);
- + ROUND(dd, aa, bb, cc, F2, K2, in[6], 9);
- + ROUND(cc, dd, aa, bb, F2, K2, in[15], 7);
- + ROUND(bb, cc, dd, aa, F2, K2, in[3], 15);
- + ROUND(aa, bb, cc, dd, F2, K2, in[12], 7);
- + ROUND(dd, aa, bb, cc, F2, K2, in[0], 12);
- + ROUND(cc, dd, aa, bb, F2, K2, in[9], 15);
- + ROUND(bb, cc, dd, aa, F2, K2, in[5], 9);
- + ROUND(aa, bb, cc, dd, F2, K2, in[2], 11);
- + ROUND(dd, aa, bb, cc, F2, K2, in[14], 7);
- + ROUND(cc, dd, aa, bb, F2, K2, in[11], 13);
- + ROUND(bb, cc, dd, aa, F2, K2, in[8], 12);
- +
- + /* round 3: left lane */
- + ROUND(aa, bb, cc, dd, F3, K3, in[3], 11);
- + ROUND(dd, aa, bb, cc, F3, K3, in[10], 13);
- + ROUND(cc, dd, aa, bb, F3, K3, in[14], 6);
- + ROUND(bb, cc, dd, aa, F3, K3, in[4], 7);
- + ROUND(aa, bb, cc, dd, F3, K3, in[9], 14);
- + ROUND(dd, aa, bb, cc, F3, K3, in[15], 9);
- + ROUND(cc, dd, aa, bb, F3, K3, in[8], 13);
- + ROUND(bb, cc, dd, aa, F3, K3, in[1], 15);
- + ROUND(aa, bb, cc, dd, F3, K3, in[2], 14);
- + ROUND(dd, aa, bb, cc, F3, K3, in[7], 8);
- + ROUND(cc, dd, aa, bb, F3, K3, in[0], 13);
- + ROUND(bb, cc, dd, aa, F3, K3, in[6], 6);
- + ROUND(aa, bb, cc, dd, F3, K3, in[13], 5);
- + ROUND(dd, aa, bb, cc, F3, K3, in[11], 12);
- + ROUND(cc, dd, aa, bb, F3, K3, in[5], 7);
- + ROUND(bb, cc, dd, aa, F3, K3, in[12], 5);
- +
- + /* round 4: left lane */
- + ROUND(aa, bb, cc, dd, F4, K4, in[1], 11);
- + ROUND(dd, aa, bb, cc, F4, K4, in[9], 12);
- + ROUND(cc, dd, aa, bb, F4, K4, in[11], 14);
- + ROUND(bb, cc, dd, aa, F4, K4, in[10], 15);
- + ROUND(aa, bb, cc, dd, F4, K4, in[0], 14);
- + ROUND(dd, aa, bb, cc, F4, K4, in[8], 15);
- + ROUND(cc, dd, aa, bb, F4, K4, in[12], 9);
- + ROUND(bb, cc, dd, aa, F4, K4, in[4], 8);
- + ROUND(aa, bb, cc, dd, F4, K4, in[13], 9);
- + ROUND(dd, aa, bb, cc, F4, K4, in[3], 14);
- + ROUND(cc, dd, aa, bb, F4, K4, in[7], 5);
- + ROUND(bb, cc, dd, aa, F4, K4, in[15], 6);
- + ROUND(aa, bb, cc, dd, F4, K4, in[14], 8);
- + ROUND(dd, aa, bb, cc, F4, K4, in[5], 6);
- + ROUND(cc, dd, aa, bb, F4, K4, in[6], 5);
- + ROUND(bb, cc, dd, aa, F4, K4, in[2], 12);
- +
- + /* round 1: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[5], 8);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[14], 9);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[7], 9);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[0], 11);
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[9], 13);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[2], 15);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[11], 15);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[4], 5);
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[13], 7);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[6], 7);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[15], 8);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[8], 11);
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[1], 14);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[10], 14);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[3], 12);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[12], 6);
- +
- + /* round 2: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[6], 9);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[11], 13);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[3], 15);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[7], 7);
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[0], 12);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[13], 8);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[5], 9);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[10], 11);
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[14], 7);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[15], 7);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[8], 12);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[12], 7);
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[4], 6);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[9], 15);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[1], 13);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[2], 11);
- +
- + /* round 3: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[15], 9);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[5], 7);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[1], 15);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[3], 11);
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[7], 8);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[14], 6);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[6], 6);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[9], 14);
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[11], 12);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[8], 13);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[12], 5);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[2], 14);
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[10], 13);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[0], 13);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[4], 7);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[13], 5);
- +
- + /* round 4: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[8], 15);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[6], 5);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[4], 8);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[1], 11);
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[3], 14);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[11], 14);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[15], 6);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[0], 14);
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[5], 6);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[12], 9);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[2], 12);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[13], 9);
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[9], 12);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[7], 5);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[10], 15);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[14], 8);
- +
- + /* combine results */
- + ddd += cc + state[1]; /* final result for state[0] */
- + state[1] = state[2] + dd + aaa;
- + state[2] = state[3] + aa + bbb;
- + state[3] = state[0] + bb + ccc;
- + state[0] = ddd;
- +
- + return;
- +}
- +
- +static void rmd128_init(struct crypto_tfm *tfm)
- +{
- + struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm);
- +
- + rctx->byte_count = 0;
- +
- + rctx->state[0] = RMD_H0;
- + rctx->state[1] = RMD_H1;
- + rctx->state[2] = RMD_H2;
- + rctx->state[3] = RMD_H3;
- +
- + memset(rctx->buffer, 0, sizeof(rctx->buffer));
- +}
- +
- +static void rmd128_update(struct crypto_tfm *tfm, const u8 *data,
- + unsigned int len)
- +{
- + struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm);
- + const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
- +
- + rctx->byte_count += len;
- +
- + /* Enough space in buffer? If so copy and we're done */
- + if (avail > len) {
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, len);
- + return;
- + }
- +
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, avail);
- +
- + rmd128_transform(rctx->state, rctx->buffer);
- + data += avail;
- + len -= avail;
- +
- + while (len >= sizeof(rctx->buffer)) {
- + memcpy(rctx->buffer, data, sizeof(rctx->buffer));
- + rmd128_transform(rctx->state, rctx->buffer);
- + data += sizeof(rctx->buffer);
- + len -= sizeof(rctx->buffer);
- + }
- +
- + memcpy(rctx->buffer, data, len);
- +}
- +
- +/* Add padding and return the message digest. */
- +static void rmd128_final(struct crypto_tfm *tfm, u8 *out)
- +{
- + struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm);
- + u32 i, index, padlen;
- + __le64 bits;
- + __le32 *dst = (__le32 *)out;
- + static const u8 padding[64] = { 0x80, };
- +
- + bits = cpu_to_le64(rctx->byte_count << 3);
- +
- + /* Pad out to 56 mod 64 */
- + index = rctx->byte_count & 0x3f;
- + padlen = (index < 56) ? (56 - index) : ((64+56) - index);
- + rmd128_update(tfm, padding, padlen);
- +
- + /* Append length */
- + rmd128_update(tfm, (const u8 *)&bits, sizeof(bits));
- +
- + /* Store state in digest */
- + for (i = 0; i < 4; i++)
- + dst[i] = cpu_to_le32p(&rctx->state[i]);
- +
- + /* Wipe context */
- + memset(rctx, 0, sizeof(*rctx));
- +}
- +
- +static struct crypto_alg alg = {
- + .cra_name = "rmd128",
- + .cra_driver_name = "rmd128",
- + .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- + .cra_blocksize = RMD128_BLOCK_SIZE,
- + .cra_ctxsize = sizeof(struct rmd128_ctx),
- + .cra_module = THIS_MODULE,
- + .cra_list = LIST_HEAD_INIT(alg.cra_list),
- + .cra_u = { .digest = {
- + .dia_digestsize = RMD128_DIGEST_SIZE,
- + .dia_init = rmd128_init,
- + .dia_update = rmd128_update,
- + .dia_final = rmd128_final } }
- +};
- +
- +static int __init rmd128_mod_init(void)
- +{
- + return crypto_register_alg(&alg);
- +}
- +
- +static void __exit rmd128_mod_fini(void)
- +{
- + crypto_unregister_alg(&alg);
- +}
- +
- +module_init(rmd128_mod_init);
- +module_exit(rmd128_mod_fini);
- +
- +MODULE_LICENSE("GPL");
- +MODULE_DESCRIPTION("RIPEMD-128 Message Digest");
- +
- +MODULE_ALIAS("rmd128");
- --- /dev/null
- +++ b/crypto/rmd160.c
- @@ -0,0 +1,369 @@
- +/*
- + * Cryptographic API.
- + *
- + * RIPEMD-160 - RACE Integrity Primitives Evaluation Message Digest.
- + *
- + * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
- + *
- + * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the Free
- + * Software Foundation; either version 2 of the License, or (at your option)
- + * any later version.
- + *
- + */
- +#include <linux/init.h>
- +#include <linux/module.h>
- +#include <linux/mm.h>
- +#include <linux/crypto.h>
- +#include <linux/cryptohash.h>
- +#include <linux/types.h>
- +#include <asm/byteorder.h>
- +
- +#include "ripemd.h"
- +
- +struct rmd160_ctx {
- + u64 byte_count;
- + u32 state[5];
- + __le32 buffer[16];
- +};
- +
- +#define K1 RMD_K1
- +#define K2 RMD_K2
- +#define K3 RMD_K3
- +#define K4 RMD_K4
- +#define K5 RMD_K5
- +#define KK1 RMD_K6
- +#define KK2 RMD_K7
- +#define KK3 RMD_K8
- +#define KK4 RMD_K9
- +#define KK5 RMD_K1
- +
- +#define F1(x, y, z) (x ^ y ^ z) /* XOR */
- +#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
- +#define F3(x, y, z) ((x | ~y) ^ z)
- +#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
- +#define F5(x, y, z) (x ^ (y | ~z))
- +
- +#define ROUND(a, b, c, d, e, f, k, x, s) { \
- + (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
- + (a) = rol32((a), (s)) + (e); \
- + (c) = rol32((c), 10); \
- +}
- +
- +static void rmd160_transform(u32 *state, const __le32 *in)
- +{
- + u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee;
- +
- + /* Initialize left lane */
- + aa = state[0];
- + bb = state[1];
- + cc = state[2];
- + dd = state[3];
- + ee = state[4];
- +
- + /* Initialize right lane */
- + aaa = state[0];
- + bbb = state[1];
- + ccc = state[2];
- + ddd = state[3];
- + eee = state[4];
- +
- + /* round 1: left lane */
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[0], 11);
- + ROUND(ee, aa, bb, cc, dd, F1, K1, in[1], 14);
- + ROUND(dd, ee, aa, bb, cc, F1, K1, in[2], 15);
- + ROUND(cc, dd, ee, aa, bb, F1, K1, in[3], 12);
- + ROUND(bb, cc, dd, ee, aa, F1, K1, in[4], 5);
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[5], 8);
- + ROUND(ee, aa, bb, cc, dd, F1, K1, in[6], 7);
- + ROUND(dd, ee, aa, bb, cc, F1, K1, in[7], 9);
- + ROUND(cc, dd, ee, aa, bb, F1, K1, in[8], 11);
- + ROUND(bb, cc, dd, ee, aa, F1, K1, in[9], 13);
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[10], 14);
- + ROUND(ee, aa, bb, cc, dd, F1, K1, in[11], 15);
- + ROUND(dd, ee, aa, bb, cc, F1, K1, in[12], 6);
- + ROUND(cc, dd, ee, aa, bb, F1, K1, in[13], 7);
- + ROUND(bb, cc, dd, ee, aa, F1, K1, in[14], 9);
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[15], 8);
- +
- + /* round 2: left lane" */
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
- + ROUND(dd, ee, aa, bb, cc, F2, K2, in[4], 6);
- + ROUND(cc, dd, ee, aa, bb, F2, K2, in[13], 8);
- + ROUND(bb, cc, dd, ee, aa, F2, K2, in[1], 13);
- + ROUND(aa, bb, cc, dd, ee, F2, K2, in[10], 11);
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[6], 9);
- + ROUND(dd, ee, aa, bb, cc, F2, K2, in[15], 7);
- + ROUND(cc, dd, ee, aa, bb, F2, K2, in[3], 15);
- + ROUND(bb, cc, dd, ee, aa, F2, K2, in[12], 7);
- + ROUND(aa, bb, cc, dd, ee, F2, K2, in[0], 12);
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[9], 15);
- + ROUND(dd, ee, aa, bb, cc, F2, K2, in[5], 9);
- + ROUND(cc, dd, ee, aa, bb, F2, K2, in[2], 11);
- + ROUND(bb, cc, dd, ee, aa, F2, K2, in[14], 7);
- + ROUND(aa, bb, cc, dd, ee, F2, K2, in[11], 13);
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[8], 12);
- +
- + /* round 3: left lane" */
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
- + ROUND(cc, dd, ee, aa, bb, F3, K3, in[10], 13);
- + ROUND(bb, cc, dd, ee, aa, F3, K3, in[14], 6);
- + ROUND(aa, bb, cc, dd, ee, F3, K3, in[4], 7);
- + ROUND(ee, aa, bb, cc, dd, F3, K3, in[9], 14);
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[15], 9);
- + ROUND(cc, dd, ee, aa, bb, F3, K3, in[8], 13);
- + ROUND(bb, cc, dd, ee, aa, F3, K3, in[1], 15);
- + ROUND(aa, bb, cc, dd, ee, F3, K3, in[2], 14);
- + ROUND(ee, aa, bb, cc, dd, F3, K3, in[7], 8);
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[0], 13);
- + ROUND(cc, dd, ee, aa, bb, F3, K3, in[6], 6);
- + ROUND(bb, cc, dd, ee, aa, F3, K3, in[13], 5);
- + ROUND(aa, bb, cc, dd, ee, F3, K3, in[11], 12);
- + ROUND(ee, aa, bb, cc, dd, F3, K3, in[5], 7);
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[12], 5);
- +
- + /* round 4: left lane" */
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
- + ROUND(bb, cc, dd, ee, aa, F4, K4, in[9], 12);
- + ROUND(aa, bb, cc, dd, ee, F4, K4, in[11], 14);
- + ROUND(ee, aa, bb, cc, dd, F4, K4, in[10], 15);
- + ROUND(dd, ee, aa, bb, cc, F4, K4, in[0], 14);
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[8], 15);
- + ROUND(bb, cc, dd, ee, aa, F4, K4, in[12], 9);
- + ROUND(aa, bb, cc, dd, ee, F4, K4, in[4], 8);
- + ROUND(ee, aa, bb, cc, dd, F4, K4, in[13], 9);
- + ROUND(dd, ee, aa, bb, cc, F4, K4, in[3], 14);
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[7], 5);
- + ROUND(bb, cc, dd, ee, aa, F4, K4, in[15], 6);
- + ROUND(aa, bb, cc, dd, ee, F4, K4, in[14], 8);
- + ROUND(ee, aa, bb, cc, dd, F4, K4, in[5], 6);
- + ROUND(dd, ee, aa, bb, cc, F4, K4, in[6], 5);
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[2], 12);
- +
- + /* round 5: left lane" */
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
- + ROUND(aa, bb, cc, dd, ee, F5, K5, in[0], 15);
- + ROUND(ee, aa, bb, cc, dd, F5, K5, in[5], 5);
- + ROUND(dd, ee, aa, bb, cc, F5, K5, in[9], 11);
- + ROUND(cc, dd, ee, aa, bb, F5, K5, in[7], 6);
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[12], 8);
- + ROUND(aa, bb, cc, dd, ee, F5, K5, in[2], 13);
- + ROUND(ee, aa, bb, cc, dd, F5, K5, in[10], 12);
- + ROUND(dd, ee, aa, bb, cc, F5, K5, in[14], 5);
- + ROUND(cc, dd, ee, aa, bb, F5, K5, in[1], 12);
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[3], 13);
- + ROUND(aa, bb, cc, dd, ee, F5, K5, in[8], 14);
- + ROUND(ee, aa, bb, cc, dd, F5, K5, in[11], 11);
- + ROUND(dd, ee, aa, bb, cc, F5, K5, in[6], 8);
- + ROUND(cc, dd, ee, aa, bb, F5, K5, in[15], 5);
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[13], 6);
- +
- + /* round 1: right lane */
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[5], 8);
- + ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[14], 9);
- + ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[7], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[0], 11);
- + ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[9], 13);
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[2], 15);
- + ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[11], 15);
- + ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[4], 5);
- + ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[13], 7);
- + ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[6], 7);
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[15], 8);
- + ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[8], 11);
- + ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[1], 14);
- + ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[10], 14);
- + ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[3], 12);
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
- +
- + /* round 2: right lane */
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[6], 9);
- + ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[11], 13);
- + ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[3], 15);
- + ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[7], 7);
- + ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[0], 12);
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[13], 8);
- + ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[5], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[10], 11);
- + ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[14], 7);
- + ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[15], 7);
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[8], 12);
- + ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[12], 7);
- + ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[4], 6);
- + ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[9], 15);
- + ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[1], 13);
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
- +
- + /* round 3: right lane */
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[15], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[5], 7);
- + ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[1], 15);
- + ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[3], 11);
- + ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[7], 8);
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[14], 6);
- + ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[6], 6);
- + ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[9], 14);
- + ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[11], 12);
- + ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[8], 13);
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[12], 5);
- + ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[2], 14);
- + ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[10], 13);
- + ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[0], 13);
- + ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[4], 7);
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
- +
- + /* round 4: right lane */
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[8], 15);
- + ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[6], 5);
- + ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[4], 8);
- + ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[1], 11);
- + ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[3], 14);
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[11], 14);
- + ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[15], 6);
- + ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[0], 14);
- + ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[5], 6);
- + ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[12], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[2], 12);
- + ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[13], 9);
- + ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[9], 12);
- + ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[7], 5);
- + ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[10], 15);
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
- +
- + /* round 5: right lane */
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[12], 8);
- + ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[15], 5);
- + ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[10], 12);
- + ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[4], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[1], 12);
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[5], 5);
- + ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[8], 14);
- + ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[7], 6);
- + ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[6], 8);
- + ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[2], 13);
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[13], 6);
- + ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[14], 5);
- + ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[0], 15);
- + ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[3], 13);
- + ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[9], 11);
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
- +
- + /* combine results */
- + ddd += cc + state[1]; /* final result for state[0] */
- + state[1] = state[2] + dd + eee;
- + state[2] = state[3] + ee + aaa;
- + state[3] = state[4] + aa + bbb;
- + state[4] = state[0] + bb + ccc;
- + state[0] = ddd;
- +
- + return;
- +}
- +
- +static void rmd160_init(struct crypto_tfm *tfm)
- +{
- + struct rmd160_ctx *rctx = crypto_tfm_ctx(tfm);
- +
- + rctx->byte_count = 0;
- +
- + rctx->state[0] = RMD_H0;
- + rctx->state[1] = RMD_H1;
- + rctx->state[2] = RMD_H2;
- + rctx->state[3] = RMD_H3;
- + rctx->state[4] = RMD_H4;
- +
- + memset(rctx->buffer, 0, sizeof(rctx->buffer));
- +}
- +
- +static void rmd160_update(struct crypto_tfm *tfm, const u8 *data,
- + unsigned int len)
- +{
- + struct rmd160_ctx *rctx = crypto_tfm_ctx(tfm);
- + const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
- +
- + rctx->byte_count += len;
- +
- + /* Enough space in buffer? If so copy and we're done */
- + if (avail > len) {
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, len);
- + return;
- + }
- +
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, avail);
- +
- + rmd160_transform(rctx->state, rctx->buffer);
- + data += avail;
- + len -= avail;
- +
- + while (len >= sizeof(rctx->buffer)) {
- + memcpy(rctx->buffer, data, sizeof(rctx->buffer));
- + rmd160_transform(rctx->state, rctx->buffer);
- + data += sizeof(rctx->buffer);
- + len -= sizeof(rctx->buffer);
- + }
- +
- + memcpy(rctx->buffer, data, len);
- +}
- +
- +/* Add padding and return the message digest. */
- +static void rmd160_final(struct crypto_tfm *tfm, u8 *out)
- +{
- + struct rmd160_ctx *rctx = crypto_tfm_ctx(tfm);
- + u32 i, index, padlen;
- + __le64 bits;
- + __le32 *dst = (__le32 *)out;
- + static const u8 padding[64] = { 0x80, };
- +
- + bits = cpu_to_le64(rctx->byte_count << 3);
- +
- + /* Pad out to 56 mod 64 */
- + index = rctx->byte_count & 0x3f;
- + padlen = (index < 56) ? (56 - index) : ((64+56) - index);
- + rmd160_update(tfm, padding, padlen);
- +
- + /* Append length */
- + rmd160_update(tfm, (const u8 *)&bits, sizeof(bits));
- +
- + /* Store state in digest */
- + for (i = 0; i < 5; i++)
- + dst[i] = cpu_to_le32p(&rctx->state[i]);
- +
- + /* Wipe context */
- + memset(rctx, 0, sizeof(*rctx));
- +}
- +
- +static struct crypto_alg alg = {
- + .cra_name = "rmd160",
- + .cra_driver_name = "rmd160",
- + .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- + .cra_blocksize = RMD160_BLOCK_SIZE,
- + .cra_ctxsize = sizeof(struct rmd160_ctx),
- + .cra_module = THIS_MODULE,
- + .cra_list = LIST_HEAD_INIT(alg.cra_list),
- + .cra_u = { .digest = {
- + .dia_digestsize = RMD160_DIGEST_SIZE,
- + .dia_init = rmd160_init,
- + .dia_update = rmd160_update,
- + .dia_final = rmd160_final } }
- +};
- +
- +static int __init rmd160_mod_init(void)
- +{
- + return crypto_register_alg(&alg);
- +}
- +
- +static void __exit rmd160_mod_fini(void)
- +{
- + crypto_unregister_alg(&alg);
- +}
- +
- +module_init(rmd160_mod_init);
- +module_exit(rmd160_mod_fini);
- +
- +MODULE_LICENSE("GPL");
- +MODULE_DESCRIPTION("RIPEMD-160 Message Digest");
- +
- +MODULE_ALIAS("rmd160");
- --- /dev/null
- +++ b/crypto/rmd256.c
- @@ -0,0 +1,344 @@
- +/*
- + * Cryptographic API.
- + *
- + * RIPEMD-256 - RACE Integrity Primitives Evaluation Message Digest.
- + *
- + * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
- + *
- + * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the Free
- + * Software Foundation; either version 2 of the License, or (at your option)
- + * any later version.
- + *
- + */
- +#include <linux/init.h>
- +#include <linux/module.h>
- +#include <linux/mm.h>
- +#include <linux/crypto.h>
- +#include <linux/cryptohash.h>
- +#include <linux/types.h>
- +#include <asm/byteorder.h>
- +
- +#include "ripemd.h"
- +
- +struct rmd256_ctx {
- + u64 byte_count;
- + u32 state[8];
- + __le32 buffer[16];
- +};
- +
- +#define K1 RMD_K1
- +#define K2 RMD_K2
- +#define K3 RMD_K3
- +#define K4 RMD_K4
- +#define KK1 RMD_K6
- +#define KK2 RMD_K7
- +#define KK3 RMD_K8
- +#define KK4 RMD_K1
- +
- +#define F1(x, y, z) (x ^ y ^ z) /* XOR */
- +#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
- +#define F3(x, y, z) ((x | ~y) ^ z)
- +#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
- +
- +#define ROUND(a, b, c, d, f, k, x, s) { \
- + (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
- + (a) = rol32((a), (s)); \
- +}
- +
- +static void rmd256_transform(u32 *state, const __le32 *in)
- +{
- + u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd, tmp;
- +
- + /* Initialize left lane */
- + aa = state[0];
- + bb = state[1];
- + cc = state[2];
- + dd = state[3];
- +
- + /* Initialize right lane */
- + aaa = state[4];
- + bbb = state[5];
- + ccc = state[6];
- + ddd = state[7];
- +
- + /* round 1: left lane */
- + ROUND(aa, bb, cc, dd, F1, K1, in[0], 11);
- + ROUND(dd, aa, bb, cc, F1, K1, in[1], 14);
- + ROUND(cc, dd, aa, bb, F1, K1, in[2], 15);
- + ROUND(bb, cc, dd, aa, F1, K1, in[3], 12);
- + ROUND(aa, bb, cc, dd, F1, K1, in[4], 5);
- + ROUND(dd, aa, bb, cc, F1, K1, in[5], 8);
- + ROUND(cc, dd, aa, bb, F1, K1, in[6], 7);
- + ROUND(bb, cc, dd, aa, F1, K1, in[7], 9);
- + ROUND(aa, bb, cc, dd, F1, K1, in[8], 11);
- + ROUND(dd, aa, bb, cc, F1, K1, in[9], 13);
- + ROUND(cc, dd, aa, bb, F1, K1, in[10], 14);
- + ROUND(bb, cc, dd, aa, F1, K1, in[11], 15);
- + ROUND(aa, bb, cc, dd, F1, K1, in[12], 6);
- + ROUND(dd, aa, bb, cc, F1, K1, in[13], 7);
- + ROUND(cc, dd, aa, bb, F1, K1, in[14], 9);
- + ROUND(bb, cc, dd, aa, F1, K1, in[15], 8);
- +
- + /* round 1: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[5], 8);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[14], 9);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[7], 9);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[0], 11);
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[9], 13);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[2], 15);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[11], 15);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[4], 5);
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[13], 7);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[6], 7);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[15], 8);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[8], 11);
- + ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[1], 14);
- + ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[10], 14);
- + ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[3], 12);
- + ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[12], 6);
- +
- + /* Swap contents of "a" registers */
- + tmp = aa; aa = aaa; aaa = tmp;
- +
- + /* round 2: left lane */
- + ROUND(aa, bb, cc, dd, F2, K2, in[7], 7);
- + ROUND(dd, aa, bb, cc, F2, K2, in[4], 6);
- + ROUND(cc, dd, aa, bb, F2, K2, in[13], 8);
- + ROUND(bb, cc, dd, aa, F2, K2, in[1], 13);
- + ROUND(aa, bb, cc, dd, F2, K2, in[10], 11);
- + ROUND(dd, aa, bb, cc, F2, K2, in[6], 9);
- + ROUND(cc, dd, aa, bb, F2, K2, in[15], 7);
- + ROUND(bb, cc, dd, aa, F2, K2, in[3], 15);
- + ROUND(aa, bb, cc, dd, F2, K2, in[12], 7);
- + ROUND(dd, aa, bb, cc, F2, K2, in[0], 12);
- + ROUND(cc, dd, aa, bb, F2, K2, in[9], 15);
- + ROUND(bb, cc, dd, aa, F2, K2, in[5], 9);
- + ROUND(aa, bb, cc, dd, F2, K2, in[2], 11);
- + ROUND(dd, aa, bb, cc, F2, K2, in[14], 7);
- + ROUND(cc, dd, aa, bb, F2, K2, in[11], 13);
- + ROUND(bb, cc, dd, aa, F2, K2, in[8], 12);
- +
- + /* round 2: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[6], 9);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[11], 13);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[3], 15);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[7], 7);
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[0], 12);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[13], 8);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[5], 9);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[10], 11);
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[14], 7);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[15], 7);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[8], 12);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[12], 7);
- + ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[4], 6);
- + ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[9], 15);
- + ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[1], 13);
- + ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[2], 11);
- +
- + /* Swap contents of "b" registers */
- + tmp = bb; bb = bbb; bbb = tmp;
- +
- + /* round 3: left lane */
- + ROUND(aa, bb, cc, dd, F3, K3, in[3], 11);
- + ROUND(dd, aa, bb, cc, F3, K3, in[10], 13);
- + ROUND(cc, dd, aa, bb, F3, K3, in[14], 6);
- + ROUND(bb, cc, dd, aa, F3, K3, in[4], 7);
- + ROUND(aa, bb, cc, dd, F3, K3, in[9], 14);
- + ROUND(dd, aa, bb, cc, F3, K3, in[15], 9);
- + ROUND(cc, dd, aa, bb, F3, K3, in[8], 13);
- + ROUND(bb, cc, dd, aa, F3, K3, in[1], 15);
- + ROUND(aa, bb, cc, dd, F3, K3, in[2], 14);
- + ROUND(dd, aa, bb, cc, F3, K3, in[7], 8);
- + ROUND(cc, dd, aa, bb, F3, K3, in[0], 13);
- + ROUND(bb, cc, dd, aa, F3, K3, in[6], 6);
- + ROUND(aa, bb, cc, dd, F3, K3, in[13], 5);
- + ROUND(dd, aa, bb, cc, F3, K3, in[11], 12);
- + ROUND(cc, dd, aa, bb, F3, K3, in[5], 7);
- + ROUND(bb, cc, dd, aa, F3, K3, in[12], 5);
- +
- + /* round 3: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[15], 9);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[5], 7);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[1], 15);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[3], 11);
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[7], 8);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[14], 6);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[6], 6);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[9], 14);
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[11], 12);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[8], 13);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[12], 5);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[2], 14);
- + ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[10], 13);
- + ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[0], 13);
- + ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[4], 7);
- + ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[13], 5);
- +
- + /* Swap contents of "c" registers */
- + tmp = cc; cc = ccc; ccc = tmp;
- +
- + /* round 4: left lane */
- + ROUND(aa, bb, cc, dd, F4, K4, in[1], 11);
- + ROUND(dd, aa, bb, cc, F4, K4, in[9], 12);
- + ROUND(cc, dd, aa, bb, F4, K4, in[11], 14);
- + ROUND(bb, cc, dd, aa, F4, K4, in[10], 15);
- + ROUND(aa, bb, cc, dd, F4, K4, in[0], 14);
- + ROUND(dd, aa, bb, cc, F4, K4, in[8], 15);
- + ROUND(cc, dd, aa, bb, F4, K4, in[12], 9);
- + ROUND(bb, cc, dd, aa, F4, K4, in[4], 8);
- + ROUND(aa, bb, cc, dd, F4, K4, in[13], 9);
- + ROUND(dd, aa, bb, cc, F4, K4, in[3], 14);
- + ROUND(cc, dd, aa, bb, F4, K4, in[7], 5);
- + ROUND(bb, cc, dd, aa, F4, K4, in[15], 6);
- + ROUND(aa, bb, cc, dd, F4, K4, in[14], 8);
- + ROUND(dd, aa, bb, cc, F4, K4, in[5], 6);
- + ROUND(cc, dd, aa, bb, F4, K4, in[6], 5);
- + ROUND(bb, cc, dd, aa, F4, K4, in[2], 12);
- +
- + /* round 4: right lane */
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[8], 15);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[6], 5);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[4], 8);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[1], 11);
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[3], 14);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[11], 14);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[15], 6);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[0], 14);
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[5], 6);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[12], 9);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[2], 12);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[13], 9);
- + ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[9], 12);
- + ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[7], 5);
- + ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[10], 15);
- + ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[14], 8);
- +
- + /* Swap contents of "d" registers */
- + tmp = dd; dd = ddd; ddd = tmp;
- +
- + /* combine results */
- + state[0] += aa;
- + state[1] += bb;
- + state[2] += cc;
- + state[3] += dd;
- + state[4] += aaa;
- + state[5] += bbb;
- + state[6] += ccc;
- + state[7] += ddd;
- +
- + return;
- +}
- +
- +static void rmd256_init(struct crypto_tfm *tfm)
- +{
- + struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
- +
- + rctx->byte_count = 0;
- +
- + rctx->state[0] = RMD_H0;
- + rctx->state[1] = RMD_H1;
- + rctx->state[2] = RMD_H2;
- + rctx->state[3] = RMD_H3;
- + rctx->state[4] = RMD_H5;
- + rctx->state[5] = RMD_H6;
- + rctx->state[6] = RMD_H7;
- + rctx->state[7] = RMD_H8;
- +
- + memset(rctx->buffer, 0, sizeof(rctx->buffer));
- +}
- +
- +static void rmd256_update(struct crypto_tfm *tfm, const u8 *data,
- + unsigned int len)
- +{
- + struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
- + const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
- +
- + rctx->byte_count += len;
- +
- + /* Enough space in buffer? If so copy and we're done */
- + if (avail > len) {
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, len);
- + return;
- + }
- +
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, avail);
- +
- + rmd256_transform(rctx->state, rctx->buffer);
- + data += avail;
- + len -= avail;
- +
- + while (len >= sizeof(rctx->buffer)) {
- + memcpy(rctx->buffer, data, sizeof(rctx->buffer));
- + rmd256_transform(rctx->state, rctx->buffer);
- + data += sizeof(rctx->buffer);
- + len -= sizeof(rctx->buffer);
- + }
- +
- + memcpy(rctx->buffer, data, len);
- +}
- +
- +/* Add padding and return the message digest. */
- +static void rmd256_final(struct crypto_tfm *tfm, u8 *out)
- +{
- + struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
- + u32 i, index, padlen;
- + __le64 bits;
- + __le32 *dst = (__le32 *)out;
- + static const u8 padding[64] = { 0x80, };
- +
- + bits = cpu_to_le64(rctx->byte_count << 3);
- +
- + /* Pad out to 56 mod 64 */
- + index = rctx->byte_count & 0x3f;
- + padlen = (index < 56) ? (56 - index) : ((64+56) - index);
- + rmd256_update(tfm, padding, padlen);
- +
- + /* Append length */
- + rmd256_update(tfm, (const u8 *)&bits, sizeof(bits));
- +
- + /* Store state in digest */
- + for (i = 0; i < 8; i++)
- + dst[i] = cpu_to_le32p(&rctx->state[i]);
- +
- + /* Wipe context */
- + memset(rctx, 0, sizeof(*rctx));
- +}
- +
- +static struct crypto_alg alg = {
- + .cra_name = "rmd256",
- + .cra_driver_name = "rmd256",
- + .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- + .cra_blocksize = RMD256_BLOCK_SIZE,
- + .cra_ctxsize = sizeof(struct rmd256_ctx),
- + .cra_module = THIS_MODULE,
- + .cra_list = LIST_HEAD_INIT(alg.cra_list),
- + .cra_u = { .digest = {
- + .dia_digestsize = RMD256_DIGEST_SIZE,
- + .dia_init = rmd256_init,
- + .dia_update = rmd256_update,
- + .dia_final = rmd256_final } }
- +};
- +
- +static int __init rmd256_mod_init(void)
- +{
- + return crypto_register_alg(&alg);
- +}
- +
- +static void __exit rmd256_mod_fini(void)
- +{
- + crypto_unregister_alg(&alg);
- +}
- +
- +module_init(rmd256_mod_init);
- +module_exit(rmd256_mod_fini);
- +
- +MODULE_LICENSE("GPL");
- +MODULE_DESCRIPTION("RIPEMD-256 Message Digest");
- +
- +MODULE_ALIAS("rmd256");
- --- /dev/null
- +++ b/crypto/rmd320.c
- @@ -0,0 +1,393 @@
- +/*
- + * Cryptographic API.
- + *
- + * RIPEMD-320 - RACE Integrity Primitives Evaluation Message Digest.
- + *
- + * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
- + *
- + * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the Free
- + * Software Foundation; either version 2 of the License, or (at your option)
- + * any later version.
- + *
- + */
- +#include <linux/init.h>
- +#include <linux/module.h>
- +#include <linux/mm.h>
- +#include <linux/crypto.h>
- +#include <linux/cryptohash.h>
- +#include <linux/types.h>
- +#include <asm/byteorder.h>
- +
- +#include "ripemd.h"
- +
- +struct rmd320_ctx {
- + u64 byte_count;
- + u32 state[10];
- + __le32 buffer[16];
- +};
- +
- +#define K1 RMD_K1
- +#define K2 RMD_K2
- +#define K3 RMD_K3
- +#define K4 RMD_K4
- +#define K5 RMD_K5
- +#define KK1 RMD_K6
- +#define KK2 RMD_K7
- +#define KK3 RMD_K8
- +#define KK4 RMD_K9
- +#define KK5 RMD_K1
- +
- +#define F1(x, y, z) (x ^ y ^ z) /* XOR */
- +#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
- +#define F3(x, y, z) ((x | ~y) ^ z)
- +#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
- +#define F5(x, y, z) (x ^ (y | ~z))
- +
- +#define ROUND(a, b, c, d, e, f, k, x, s) { \
- + (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
- + (a) = rol32((a), (s)) + (e); \
- + (c) = rol32((c), 10); \
- +}
- +
- +static void rmd320_transform(u32 *state, const __le32 *in)
- +{
- + u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee, tmp;
- +
- + /* Initialize left lane */
- + aa = state[0];
- + bb = state[1];
- + cc = state[2];
- + dd = state[3];
- + ee = state[4];
- +
- + /* Initialize right lane */
- + aaa = state[5];
- + bbb = state[6];
- + ccc = state[7];
- + ddd = state[8];
- + eee = state[9];
- +
- + /* round 1: left lane */
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[0], 11);
- + ROUND(ee, aa, bb, cc, dd, F1, K1, in[1], 14);
- + ROUND(dd, ee, aa, bb, cc, F1, K1, in[2], 15);
- + ROUND(cc, dd, ee, aa, bb, F1, K1, in[3], 12);
- + ROUND(bb, cc, dd, ee, aa, F1, K1, in[4], 5);
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[5], 8);
- + ROUND(ee, aa, bb, cc, dd, F1, K1, in[6], 7);
- + ROUND(dd, ee, aa, bb, cc, F1, K1, in[7], 9);
- + ROUND(cc, dd, ee, aa, bb, F1, K1, in[8], 11);
- + ROUND(bb, cc, dd, ee, aa, F1, K1, in[9], 13);
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[10], 14);
- + ROUND(ee, aa, bb, cc, dd, F1, K1, in[11], 15);
- + ROUND(dd, ee, aa, bb, cc, F1, K1, in[12], 6);
- + ROUND(cc, dd, ee, aa, bb, F1, K1, in[13], 7);
- + ROUND(bb, cc, dd, ee, aa, F1, K1, in[14], 9);
- + ROUND(aa, bb, cc, dd, ee, F1, K1, in[15], 8);
- +
- + /* round 1: right lane */
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[5], 8);
- + ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[14], 9);
- + ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[7], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[0], 11);
- + ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[9], 13);
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[2], 15);
- + ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[11], 15);
- + ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[4], 5);
- + ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[13], 7);
- + ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[6], 7);
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[15], 8);
- + ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[8], 11);
- + ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[1], 14);
- + ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[10], 14);
- + ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[3], 12);
- + ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
- +
- + /* Swap contents of "a" registers */
- + tmp = aa; aa = aaa; aaa = tmp;
- +
- + /* round 2: left lane" */
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
- + ROUND(dd, ee, aa, bb, cc, F2, K2, in[4], 6);
- + ROUND(cc, dd, ee, aa, bb, F2, K2, in[13], 8);
- + ROUND(bb, cc, dd, ee, aa, F2, K2, in[1], 13);
- + ROUND(aa, bb, cc, dd, ee, F2, K2, in[10], 11);
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[6], 9);
- + ROUND(dd, ee, aa, bb, cc, F2, K2, in[15], 7);
- + ROUND(cc, dd, ee, aa, bb, F2, K2, in[3], 15);
- + ROUND(bb, cc, dd, ee, aa, F2, K2, in[12], 7);
- + ROUND(aa, bb, cc, dd, ee, F2, K2, in[0], 12);
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[9], 15);
- + ROUND(dd, ee, aa, bb, cc, F2, K2, in[5], 9);
- + ROUND(cc, dd, ee, aa, bb, F2, K2, in[2], 11);
- + ROUND(bb, cc, dd, ee, aa, F2, K2, in[14], 7);
- + ROUND(aa, bb, cc, dd, ee, F2, K2, in[11], 13);
- + ROUND(ee, aa, bb, cc, dd, F2, K2, in[8], 12);
- +
- + /* round 2: right lane */
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[6], 9);
- + ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[11], 13);
- + ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[3], 15);
- + ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[7], 7);
- + ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[0], 12);
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[13], 8);
- + ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[5], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[10], 11);
- + ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[14], 7);
- + ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[15], 7);
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[8], 12);
- + ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[12], 7);
- + ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[4], 6);
- + ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[9], 15);
- + ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[1], 13);
- + ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
- +
- + /* Swap contents of "b" registers */
- + tmp = bb; bb = bbb; bbb = tmp;
- +
- + /* round 3: left lane" */
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
- + ROUND(cc, dd, ee, aa, bb, F3, K3, in[10], 13);
- + ROUND(bb, cc, dd, ee, aa, F3, K3, in[14], 6);
- + ROUND(aa, bb, cc, dd, ee, F3, K3, in[4], 7);
- + ROUND(ee, aa, bb, cc, dd, F3, K3, in[9], 14);
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[15], 9);
- + ROUND(cc, dd, ee, aa, bb, F3, K3, in[8], 13);
- + ROUND(bb, cc, dd, ee, aa, F3, K3, in[1], 15);
- + ROUND(aa, bb, cc, dd, ee, F3, K3, in[2], 14);
- + ROUND(ee, aa, bb, cc, dd, F3, K3, in[7], 8);
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[0], 13);
- + ROUND(cc, dd, ee, aa, bb, F3, K3, in[6], 6);
- + ROUND(bb, cc, dd, ee, aa, F3, K3, in[13], 5);
- + ROUND(aa, bb, cc, dd, ee, F3, K3, in[11], 12);
- + ROUND(ee, aa, bb, cc, dd, F3, K3, in[5], 7);
- + ROUND(dd, ee, aa, bb, cc, F3, K3, in[12], 5);
- +
- + /* round 3: right lane */
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[15], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[5], 7);
- + ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[1], 15);
- + ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[3], 11);
- + ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[7], 8);
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[14], 6);
- + ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[6], 6);
- + ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[9], 14);
- + ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[11], 12);
- + ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[8], 13);
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[12], 5);
- + ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[2], 14);
- + ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[10], 13);
- + ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[0], 13);
- + ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[4], 7);
- + ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
- +
- + /* Swap contents of "c" registers */
- + tmp = cc; cc = ccc; ccc = tmp;
- +
- + /* round 4: left lane" */
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
- + ROUND(bb, cc, dd, ee, aa, F4, K4, in[9], 12);
- + ROUND(aa, bb, cc, dd, ee, F4, K4, in[11], 14);
- + ROUND(ee, aa, bb, cc, dd, F4, K4, in[10], 15);
- + ROUND(dd, ee, aa, bb, cc, F4, K4, in[0], 14);
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[8], 15);
- + ROUND(bb, cc, dd, ee, aa, F4, K4, in[12], 9);
- + ROUND(aa, bb, cc, dd, ee, F4, K4, in[4], 8);
- + ROUND(ee, aa, bb, cc, dd, F4, K4, in[13], 9);
- + ROUND(dd, ee, aa, bb, cc, F4, K4, in[3], 14);
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[7], 5);
- + ROUND(bb, cc, dd, ee, aa, F4, K4, in[15], 6);
- + ROUND(aa, bb, cc, dd, ee, F4, K4, in[14], 8);
- + ROUND(ee, aa, bb, cc, dd, F4, K4, in[5], 6);
- + ROUND(dd, ee, aa, bb, cc, F4, K4, in[6], 5);
- + ROUND(cc, dd, ee, aa, bb, F4, K4, in[2], 12);
- +
- + /* round 4: right lane */
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[8], 15);
- + ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[6], 5);
- + ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[4], 8);
- + ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[1], 11);
- + ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[3], 14);
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[11], 14);
- + ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[15], 6);
- + ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[0], 14);
- + ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[5], 6);
- + ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[12], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[2], 12);
- + ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[13], 9);
- + ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[9], 12);
- + ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[7], 5);
- + ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[10], 15);
- + ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
- +
- + /* Swap contents of "d" registers */
- + tmp = dd; dd = ddd; ddd = tmp;
- +
- + /* round 5: left lane" */
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
- + ROUND(aa, bb, cc, dd, ee, F5, K5, in[0], 15);
- + ROUND(ee, aa, bb, cc, dd, F5, K5, in[5], 5);
- + ROUND(dd, ee, aa, bb, cc, F5, K5, in[9], 11);
- + ROUND(cc, dd, ee, aa, bb, F5, K5, in[7], 6);
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[12], 8);
- + ROUND(aa, bb, cc, dd, ee, F5, K5, in[2], 13);
- + ROUND(ee, aa, bb, cc, dd, F5, K5, in[10], 12);
- + ROUND(dd, ee, aa, bb, cc, F5, K5, in[14], 5);
- + ROUND(cc, dd, ee, aa, bb, F5, K5, in[1], 12);
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[3], 13);
- + ROUND(aa, bb, cc, dd, ee, F5, K5, in[8], 14);
- + ROUND(ee, aa, bb, cc, dd, F5, K5, in[11], 11);
- + ROUND(dd, ee, aa, bb, cc, F5, K5, in[6], 8);
- + ROUND(cc, dd, ee, aa, bb, F5, K5, in[15], 5);
- + ROUND(bb, cc, dd, ee, aa, F5, K5, in[13], 6);
- +
- + /* round 5: right lane */
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[12], 8);
- + ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[15], 5);
- + ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[10], 12);
- + ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[4], 9);
- + ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[1], 12);
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[5], 5);
- + ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[8], 14);
- + ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[7], 6);
- + ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[6], 8);
- + ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[2], 13);
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[13], 6);
- + ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[14], 5);
- + ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[0], 15);
- + ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[3], 13);
- + ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[9], 11);
- + ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
- +
- + /* Swap contents of "e" registers */
- + tmp = ee; ee = eee; eee = tmp;
- +
- + /* combine results */
- + state[0] += aa;
- + state[1] += bb;
- + state[2] += cc;
- + state[3] += dd;
- + state[4] += ee;
- + state[5] += aaa;
- + state[6] += bbb;
- + state[7] += ccc;
- + state[8] += ddd;
- + state[9] += eee;
- +
- + return;
- +}
- +
- +static void rmd320_init(struct crypto_tfm *tfm)
- +{
- + struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm);
- +
- + rctx->byte_count = 0;
- +
- + rctx->state[0] = RMD_H0;
- + rctx->state[1] = RMD_H1;
- + rctx->state[2] = RMD_H2;
- + rctx->state[3] = RMD_H3;
- + rctx->state[4] = RMD_H4;
- + rctx->state[5] = RMD_H5;
- + rctx->state[6] = RMD_H6;
- + rctx->state[7] = RMD_H7;
- + rctx->state[8] = RMD_H8;
- + rctx->state[9] = RMD_H9;
- +
- + memset(rctx->buffer, 0, sizeof(rctx->buffer));
- +}
- +
- +static void rmd320_update(struct crypto_tfm *tfm, const u8 *data,
- + unsigned int len)
- +{
- + struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm);
- + const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
- +
- + rctx->byte_count += len;
- +
- + /* Enough space in buffer? If so copy and we're done */
- + if (avail > len) {
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, len);
- + return;
- + }
- +
- + memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
- + data, avail);
- +
- + rmd320_transform(rctx->state, rctx->buffer);
- + data += avail;
- + len -= avail;
- +
- + while (len >= sizeof(rctx->buffer)) {
- + memcpy(rctx->buffer, data, sizeof(rctx->buffer));
- + rmd320_transform(rctx->state, rctx->buffer);
- + data += sizeof(rctx->buffer);
- + len -= sizeof(rctx->buffer);
- + }
- +
- + memcpy(rctx->buffer, data, len);
- +}
- +
- +/* Add padding and return the message digest. */
- +static void rmd320_final(struct crypto_tfm *tfm, u8 *out)
- +{
- + struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm);
- + u32 i, index, padlen;
- + __le64 bits;
- + __le32 *dst = (__le32 *)out;
- + static const u8 padding[64] = { 0x80, };
- +
- + bits = cpu_to_le64(rctx->byte_count << 3);
- +
- + /* Pad out to 56 mod 64 */
- + index = rctx->byte_count & 0x3f;
- + padlen = (index < 56) ? (56 - index) : ((64+56) - index);
- + rmd320_update(tfm, padding, padlen);
- +
- + /* Append length */
- + rmd320_update(tfm, (const u8 *)&bits, sizeof(bits));
- +
- + /* Store state in digest */
- + for (i = 0; i < 10; i++)
- + dst[i] = cpu_to_le32p(&rctx->state[i]);
- +
- + /* Wipe context */
- + memset(rctx, 0, sizeof(*rctx));
- +}
- +
- +static struct crypto_alg alg = {
- + .cra_name = "rmd320",
- + .cra_driver_name = "rmd320",
- + .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- + .cra_blocksize = RMD320_BLOCK_SIZE,
- + .cra_ctxsize = sizeof(struct rmd320_ctx),
- + .cra_module = THIS_MODULE,
- + .cra_list = LIST_HEAD_INIT(alg.cra_list),
- + .cra_u = { .digest = {
- + .dia_digestsize = RMD320_DIGEST_SIZE,
- + .dia_init = rmd320_init,
- + .dia_update = rmd320_update,
- + .dia_final = rmd320_final } }
- +};
- +
- +static int __init rmd320_mod_init(void)
- +{
- + return crypto_register_alg(&alg);
- +}
- +
- +static void __exit rmd320_mod_fini(void)
- +{
- + crypto_unregister_alg(&alg);
- +}
- +
- +module_init(rmd320_mod_init);
- +module_exit(rmd320_mod_fini);
- +
- +MODULE_LICENSE("GPL");
- +MODULE_DESCRIPTION("RIPEMD-320 Message Digest");
- +
- +MODULE_ALIAS("rmd320");
- --- a/crypto/tcrypt.c
- +++ b/crypto/tcrypt.c
- @@ -13,15 +13,9 @@
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- - * 2007-11-13 Added GCM tests
- - * 2007-11-13 Added AEAD support
- - * 2007-11-06 Added SHA-224 and SHA-224-HMAC tests
- - * 2006-12-07 Added SHA384 HMAC and SHA512 HMAC tests
- - * 2004-08-09 Added cipher speed tests (Reyk Floeter <[email protected]>)
- - * 2003-09-14 Rewritten by Kartikey Mahendra Bhatt
- - *
- */
-
- +#include <crypto/hash.h>
- #include <linux/err.h>
- #include <linux/init.h>
- #include <linux/module.h>
- @@ -30,7 +24,6 @@
- #include <linux/scatterlist.h>
- #include <linux/string.h>
- #include <linux/crypto.h>
- -#include <linux/highmem.h>
- #include <linux/moduleparam.h>
- #include <linux/jiffies.h>
- #include <linux/timex.h>
- @@ -38,7 +31,7 @@
- #include "tcrypt.h"
-
- /*
- - * Need to kmalloc() memory for testing kmap().
- + * Need to kmalloc() memory for testing.
- */
- #define TVMEMSIZE 16384
- #define XBUFSIZE 32768
- @@ -46,7 +39,7 @@
- /*
- * Indexes into the xbuf to simulate cross-page access.
- */
- -#define IDX1 37
- +#define IDX1 32
- #define IDX2 32400
- #define IDX3 1
- #define IDX4 8193
- @@ -83,7 +76,8 @@ static char *check[] = {
- "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
- "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
- "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
- - "camellia", "seed", "salsa20", "lzo", "cts", NULL
- + "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
- + "lzo", "cts", NULL
- };
-
- static void hexdump(unsigned char *buf, unsigned int len)
- @@ -110,22 +104,30 @@ static void test_hash(char *algo, struct
- unsigned int i, j, k, temp;
- struct scatterlist sg[8];
- char result[64];
- - struct crypto_hash *tfm;
- - struct hash_desc desc;
- + struct crypto_ahash *tfm;
- + struct ahash_request *req;
- + struct tcrypt_result tresult;
- int ret;
- void *hash_buff;
-
- printk("\ntesting %s\n", algo);
-
- - tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
- + init_completion(&tresult.completion);
- +
- + tfm = crypto_alloc_ahash(algo, 0, 0);
- if (IS_ERR(tfm)) {
- printk("failed to load transform for %s: %ld\n", algo,
- PTR_ERR(tfm));
- return;
- }
-
- - desc.tfm = tfm;
- - desc.flags = 0;
- + req = ahash_request_alloc(tfm, GFP_KERNEL);
- + if (!req) {
- + printk(KERN_ERR "failed to allocate request for %s\n", algo);
- + goto out_noreq;
- + }
- + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- + tcrypt_complete, &tresult);
-
- for (i = 0; i < tcount; i++) {
- printk("test %u:\n", i + 1);
- @@ -139,8 +141,9 @@ static void test_hash(char *algo, struct
- sg_init_one(&sg[0], hash_buff, template[i].psize);
-
- if (template[i].ksize) {
- - ret = crypto_hash_setkey(tfm, template[i].key,
- - template[i].ksize);
- + crypto_ahash_clear_flags(tfm, ~0);
- + ret = crypto_ahash_setkey(tfm, template[i].key,
- + template[i].ksize);
- if (ret) {
- printk("setkey() failed ret=%d\n", ret);
- kfree(hash_buff);
- @@ -148,17 +151,30 @@ static void test_hash(char *algo, struct
- }
- }
-
- - ret = crypto_hash_digest(&desc, sg, template[i].psize, result);
- - if (ret) {
- + ahash_request_set_crypt(req, sg, result, template[i].psize);
- + ret = crypto_ahash_digest(req);
- + switch (ret) {
- + case 0:
- + break;
- + case -EINPROGRESS:
- + case -EBUSY:
- + ret = wait_for_completion_interruptible(
- + &tresult.completion);
- + if (!ret && !(ret = tresult.err)) {
- + INIT_COMPLETION(tresult.completion);
- + break;
- + }
- + /* fall through */
- + default:
- printk("digest () failed ret=%d\n", ret);
- kfree(hash_buff);
- goto out;
- }
-
- - hexdump(result, crypto_hash_digestsize(tfm));
- + hexdump(result, crypto_ahash_digestsize(tfm));
- printk("%s\n",
- memcmp(result, template[i].digest,
- - crypto_hash_digestsize(tfm)) ?
- + crypto_ahash_digestsize(tfm)) ?
- "fail" : "pass");
- kfree(hash_buff);
- }
- @@ -187,8 +203,9 @@ static void test_hash(char *algo, struct
- }
-
- if (template[i].ksize) {
- - ret = crypto_hash_setkey(tfm, template[i].key,
- - template[i].ksize);
- + crypto_ahash_clear_flags(tfm, ~0);
- + ret = crypto_ahash_setkey(tfm, template[i].key,
- + template[i].ksize);
-
- if (ret) {
- printk("setkey() failed ret=%d\n", ret);
- @@ -196,29 +213,44 @@ static void test_hash(char *algo, struct
- }
- }
-
- - ret = crypto_hash_digest(&desc, sg, template[i].psize,
- - result);
- - if (ret) {
- + ahash_request_set_crypt(req, sg, result,
- + template[i].psize);
- + ret = crypto_ahash_digest(req);
- + switch (ret) {
- + case 0:
- + break;
- + case -EINPROGRESS:
- + case -EBUSY:
- + ret = wait_for_completion_interruptible(
- + &tresult.completion);
- + if (!ret && !(ret = tresult.err)) {
- + INIT_COMPLETION(tresult.completion);
- + break;
- + }
- + /* fall through */
- + default:
- printk("digest () failed ret=%d\n", ret);
- goto out;
- }
-
- - hexdump(result, crypto_hash_digestsize(tfm));
- + hexdump(result, crypto_ahash_digestsize(tfm));
- printk("%s\n",
- memcmp(result, template[i].digest,
- - crypto_hash_digestsize(tfm)) ?
- + crypto_ahash_digestsize(tfm)) ?
- "fail" : "pass");
- }
- }
-
- out:
- - crypto_free_hash(tfm);
- + ahash_request_free(req);
- +out_noreq:
- + crypto_free_ahash(tfm);
- }
-
- static void test_aead(char *algo, int enc, struct aead_testvec *template,
- unsigned int tcount)
- {
- - unsigned int ret, i, j, k, temp;
- + unsigned int ret, i, j, k, n, temp;
- char *q;
- struct crypto_aead *tfm;
- char *key;
- @@ -344,13 +376,12 @@ static void test_aead(char *algo, int en
- goto next_one;
- }
-
- - q = kmap(sg_page(&sg[0])) + sg[0].offset;
- + q = input;
- hexdump(q, template[i].rlen);
-
- printk(KERN_INFO "enc/dec: %s\n",
- memcmp(q, template[i].result,
- template[i].rlen) ? "fail" : "pass");
- - kunmap(sg_page(&sg[0]));
- next_one:
- if (!template[i].key)
- kfree(key);
- @@ -360,7 +391,6 @@ next_one:
- }
-
- printk(KERN_INFO "\ntesting %s %s across pages (chunking)\n", algo, e);
- - memset(xbuf, 0, XBUFSIZE);
- memset(axbuf, 0, XBUFSIZE);
-
- for (i = 0, j = 0; i < tcount; i++) {
- @@ -388,6 +418,7 @@ next_one:
- goto out;
- }
-
- + memset(xbuf, 0, XBUFSIZE);
- sg_init_table(sg, template[i].np);
- for (k = 0, temp = 0; k < template[i].np; k++) {
- memcpy(&xbuf[IDX[k]],
- @@ -450,7 +481,7 @@ next_one:
-
- for (k = 0, temp = 0; k < template[i].np; k++) {
- printk(KERN_INFO "page %u\n", k);
- - q = kmap(sg_page(&sg[k])) + sg[k].offset;
- + q = &axbuf[IDX[k]];
- hexdump(q, template[i].tap[k]);
- printk(KERN_INFO "%s\n",
- memcmp(q, template[i].result + temp,
- @@ -459,8 +490,15 @@ next_one:
- 0 : authsize)) ?
- "fail" : "pass");
-
- + for (n = 0; q[template[i].tap[k] + n]; n++)
- + ;
- + if (n) {
- + printk("Result buffer corruption %u "
- + "bytes:\n", n);
- + hexdump(&q[template[i].tap[k]], n);
- + }
- +
- temp += template[i].tap[k];
- - kunmap(sg_page(&sg[k]));
- }
- }
- }
- @@ -473,7 +511,7 @@ out:
- static void test_cipher(char *algo, int enc,
- struct cipher_testvec *template, unsigned int tcount)
- {
- - unsigned int ret, i, j, k, temp;
- + unsigned int ret, i, j, k, n, temp;
- char *q;
- struct crypto_ablkcipher *tfm;
- struct ablkcipher_request *req;
- @@ -569,19 +607,17 @@ static void test_cipher(char *algo, int
- goto out;
- }
-
- - q = kmap(sg_page(&sg[0])) + sg[0].offset;
- + q = data;
- hexdump(q, template[i].rlen);
-
- printk("%s\n",
- memcmp(q, template[i].result,
- template[i].rlen) ? "fail" : "pass");
- - kunmap(sg_page(&sg[0]));
- }
- kfree(data);
- }
-
- printk("\ntesting %s %s across pages (chunking)\n", algo, e);
- - memset(xbuf, 0, XBUFSIZE);
-
- j = 0;
- for (i = 0; i < tcount; i++) {
- @@ -596,6 +632,7 @@ static void test_cipher(char *algo, int
- printk("test %u (%d bit key):\n",
- j, template[i].klen * 8);
-
- + memset(xbuf, 0, XBUFSIZE);
- crypto_ablkcipher_clear_flags(tfm, ~0);
- if (template[i].wk)
- crypto_ablkcipher_set_flags(
- @@ -649,14 +686,21 @@ static void test_cipher(char *algo, int
- temp = 0;
- for (k = 0; k < template[i].np; k++) {
- printk("page %u\n", k);
- - q = kmap(sg_page(&sg[k])) + sg[k].offset;
- + q = &xbuf[IDX[k]];
- hexdump(q, template[i].tap[k]);
- printk("%s\n",
- memcmp(q, template[i].result + temp,
- template[i].tap[k]) ? "fail" :
- "pass");
- +
- + for (n = 0; q[template[i].tap[k] + n]; n++)
- + ;
- + if (n) {
- + printk("Result buffer corruption %u "
- + "bytes:\n", n);
- + hexdump(&q[template[i].tap[k]], n);
- + }
- temp += template[i].tap[k];
- - kunmap(sg_page(&sg[k]));
- }
- }
- }
- @@ -1172,6 +1216,14 @@ static void do_test(void)
- test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
- DES3_EDE_DEC_TEST_VECTORS);
-
- + test_cipher("cbc(des3_ede)", ENCRYPT,
- + des3_ede_cbc_enc_tv_template,
- + DES3_EDE_CBC_ENC_TEST_VECTORS);
- +
- + test_cipher("cbc(des3_ede)", DECRYPT,
- + des3_ede_cbc_dec_tv_template,
- + DES3_EDE_CBC_DEC_TEST_VECTORS);
- +
- test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
-
- test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
- @@ -1382,6 +1434,14 @@ static void do_test(void)
- DES3_EDE_ENC_TEST_VECTORS);
- test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
- DES3_EDE_DEC_TEST_VECTORS);
- +
- + test_cipher("cbc(des3_ede)", ENCRYPT,
- + des3_ede_cbc_enc_tv_template,
- + DES3_EDE_CBC_ENC_TEST_VECTORS);
- +
- + test_cipher("cbc(des3_ede)", DECRYPT,
- + des3_ede_cbc_dec_tv_template,
- + DES3_EDE_CBC_DEC_TEST_VECTORS);
- break;
-
- case 5:
- @@ -1550,7 +1610,7 @@ static void do_test(void)
- case 29:
- test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
- break;
- -
- +
- case 30:
- test_cipher("ecb(xeta)", ENCRYPT, xeta_enc_tv_template,
- XETA_ENC_TEST_VECTORS);
- @@ -1615,6 +1675,22 @@ static void do_test(void)
- CTS_MODE_DEC_TEST_VECTORS);
- break;
-
- + case 39:
- + test_hash("rmd128", rmd128_tv_template, RMD128_TEST_VECTORS);
- + break;
- +
- + case 40:
- + test_hash("rmd160", rmd160_tv_template, RMD160_TEST_VECTORS);
- + break;
- +
- + case 41:
- + test_hash("rmd256", rmd256_tv_template, RMD256_TEST_VECTORS);
- + break;
- +
- + case 42:
- + test_hash("rmd320", rmd320_tv_template, RMD320_TEST_VECTORS);
- + break;
- +
- case 100:
- test_hash("hmac(md5)", hmac_md5_tv_template,
- HMAC_MD5_TEST_VECTORS);
- @@ -1650,6 +1726,16 @@ static void do_test(void)
- XCBC_AES_TEST_VECTORS);
- break;
-
- + case 107:
- + test_hash("hmac(rmd128)", hmac_rmd128_tv_template,
- + HMAC_RMD128_TEST_VECTORS);
- + break;
- +
- + case 108:
- + test_hash("hmac(rmd160)", hmac_rmd160_tv_template,
- + HMAC_RMD160_TEST_VECTORS);
- + break;
- +
- case 200:
- test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
- speed_template_16_24_32);
- @@ -1788,6 +1874,22 @@ static void do_test(void)
- test_hash_speed("sha224", sec, generic_hash_speed_template);
- if (mode > 300 && mode < 400) break;
-
- + case 314:
- + test_hash_speed("rmd128", sec, generic_hash_speed_template);
- + if (mode > 300 && mode < 400) break;
- +
- + case 315:
- + test_hash_speed("rmd160", sec, generic_hash_speed_template);
- + if (mode > 300 && mode < 400) break;
- +
- + case 316:
- + test_hash_speed("rmd256", sec, generic_hash_speed_template);
- + if (mode > 300 && mode < 400) break;
- +
- + case 317:
- + test_hash_speed("rmd320", sec, generic_hash_speed_template);
- + if (mode > 300 && mode < 400) break;
- +
- case 399:
- break;
-
- --- a/crypto/tcrypt.h
- +++ b/crypto/tcrypt.h
- @@ -13,12 +13,6 @@
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- - * 2007-11-13 Added GCM tests
- - * 2007-11-13 Added AEAD support
- - * 2006-12-07 Added SHA384 HMAC and SHA512 HMAC tests
- - * 2004-08-09 Cipher speed tests by Reyk Floeter <[email protected]>
- - * 2003-09-14 Changes by Kartikey Mahendra Bhatt
- - *
- */
- #ifndef _CRYPTO_TCRYPT_H
- #define _CRYPTO_TCRYPT_H
- @@ -168,6 +162,271 @@ static struct hash_testvec md5_tv_templa
- .digest = "\x57\xed\xf4\xa2\x2b\xe3\xc9\x55"
- "\xac\x49\xda\x2e\x21\x07\xb6\x7a",
- }
- +
- +};
- +
- +/*
- + * RIPEMD-128 test vectors from ISO/IEC 10118-3:2004(E)
- + */
- +#define RMD128_TEST_VECTORS 10
- +
- +static struct hash_testvec rmd128_tv_template[] = {
- + {
- + .digest = "\xcd\xf2\x62\x13\xa1\x50\xdc\x3e"
- + "\xcb\x61\x0f\x18\xf6\xb3\x8b\x46",
- + }, {
- + .plaintext = "a",
- + .psize = 1,
- + .digest = "\x86\xbe\x7a\xfa\x33\x9d\x0f\xc7"
- + "\xcf\xc7\x85\xe7\x2f\x57\x8d\x33",
- + }, {
- + .plaintext = "abc",
- + .psize = 3,
- + .digest = "\xc1\x4a\x12\x19\x9c\x66\xe4\xba"
- + "\x84\x63\x6b\x0f\x69\x14\x4c\x77",
- + }, {
- + .plaintext = "message digest",
- + .psize = 14,
- + .digest = "\x9e\x32\x7b\x3d\x6e\x52\x30\x62"
- + "\xaf\xc1\x13\x2d\x7d\xf9\xd1\xb8",
- + }, {
- + .plaintext = "abcdefghijklmnopqrstuvwxyz",
- + .psize = 26,
- + .digest = "\xfd\x2a\xa6\x07\xf7\x1d\xc8\xf5"
- + "\x10\x71\x49\x22\xb3\x71\x83\x4e",
- + }, {
- + .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
- + "fghijklmnopqrstuvwxyz0123456789",
- + .psize = 62,
- + .digest = "\xd1\xe9\x59\xeb\x17\x9c\x91\x1f"
- + "\xae\xa4\x62\x4c\x60\xc5\xc7\x02",
- + }, {
- + .plaintext = "1234567890123456789012345678901234567890"
- + "1234567890123456789012345678901234567890",
- + .psize = 80,
- + .digest = "\x3f\x45\xef\x19\x47\x32\xc2\xdb"
- + "\xb2\xc4\xa2\xc7\x69\x79\x5f\xa3",
- + }, {
- + .plaintext = "abcdbcdecdefdefgefghfghighij"
- + "hijkijkljklmklmnlmnomnopnopq",
- + .psize = 56,
- + .digest = "\xa1\xaa\x06\x89\xd0\xfa\xfa\x2d"
- + "\xdc\x22\xe8\x8b\x49\x13\x3a\x06",
- + .np = 2,
- + .tap = { 28, 28 },
- + }, {
- + .plaintext = "abcdefghbcdefghicdefghijdefghijkefghijklfghi"
- + "jklmghijklmnhijklmnoijklmnopjklmnopqklmnopqr"
- + "lmnopqrsmnopqrstnopqrstu",
- + .psize = 112,
- + .digest = "\xd4\xec\xc9\x13\xe1\xdf\x77\x6b"
- + "\xf4\x8d\xe9\xd5\x5b\x1f\x25\x46",
- + }, {
- + .plaintext = "abcdbcdecdefdefgefghfghighijhijk",
- + .psize = 32,
- + .digest = "\x13\xfc\x13\xe8\xef\xff\x34\x7d"
- + "\xe1\x93\xff\x46\xdb\xac\xcf\xd4",
- + }
- +};
- +
- +/*
- + * RIPEMD-160 test vectors from ISO/IEC 10118-3:2004(E)
- + */
- +#define RMD160_TEST_VECTORS 10
- +
- +static struct hash_testvec rmd160_tv_template[] = {
- + {
- + .digest = "\x9c\x11\x85\xa5\xc5\xe9\xfc\x54\x61\x28"
- + "\x08\x97\x7e\xe8\xf5\x48\xb2\x25\x8d\x31",
- + }, {
- + .plaintext = "a",
- + .psize = 1,
- + .digest = "\x0b\xdc\x9d\x2d\x25\x6b\x3e\xe9\xda\xae"
- + "\x34\x7b\xe6\xf4\xdc\x83\x5a\x46\x7f\xfe",
- + }, {
- + .plaintext = "abc",
- + .psize = 3,
- + .digest = "\x8e\xb2\x08\xf7\xe0\x5d\x98\x7a\x9b\x04"
- + "\x4a\x8e\x98\xc6\xb0\x87\xf1\x5a\x0b\xfc",
- + }, {
- + .plaintext = "message digest",
- + .psize = 14,
- + .digest = "\x5d\x06\x89\xef\x49\xd2\xfa\xe5\x72\xb8"
- + "\x81\xb1\x23\xa8\x5f\xfa\x21\x59\x5f\x36",
- + }, {
- + .plaintext = "abcdefghijklmnopqrstuvwxyz",
- + .psize = 26,
- + .digest = "\xf7\x1c\x27\x10\x9c\x69\x2c\x1b\x56\xbb"
- + "\xdc\xeb\x5b\x9d\x28\x65\xb3\x70\x8d\xbc",
- + }, {
- + .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
- + "fghijklmnopqrstuvwxyz0123456789",
- + .psize = 62,
- + .digest = "\xb0\xe2\x0b\x6e\x31\x16\x64\x02\x86\xed"
- + "\x3a\x87\xa5\x71\x30\x79\xb2\x1f\x51\x89",
- + }, {
- + .plaintext = "1234567890123456789012345678901234567890"
- + "1234567890123456789012345678901234567890",
- + .psize = 80,
- + .digest = "\x9b\x75\x2e\x45\x57\x3d\x4b\x39\xf4\xdb"
- + "\xd3\x32\x3c\xab\x82\xbf\x63\x32\x6b\xfb",
- + }, {
- + .plaintext = "abcdbcdecdefdefgefghfghighij"
- + "hijkijkljklmklmnlmnomnopnopq",
- + .psize = 56,
- + .digest = "\x12\xa0\x53\x38\x4a\x9c\x0c\x88\xe4\x05"
- + "\xa0\x6c\x27\xdc\xf4\x9a\xda\x62\xeb\x2b",
- + .np = 2,
- + .tap = { 28, 28 },
- + }, {
- + .plaintext = "abcdefghbcdefghicdefghijdefghijkefghijklfghi"
- + "jklmghijklmnhijklmnoijklmnopjklmnopqklmnopqr"
- + "lmnopqrsmnopqrstnopqrstu",
- + .psize = 112,
- + .digest = "\x6f\x3f\xa3\x9b\x6b\x50\x3c\x38\x4f\x91"
- + "\x9a\x49\xa7\xaa\x5c\x2c\x08\xbd\xfb\x45",
- + }, {
- + .plaintext = "abcdbcdecdefdefgefghfghighijhijk",
- + .psize = 32,
- + .digest = "\x94\xc2\x64\x11\x54\x04\xe6\x33\x79\x0d"
- + "\xfc\xc8\x7b\x58\x7d\x36\x77\x06\x7d\x9f",
- + }
- +};
- +
- +/*
- + * RIPEMD-256 test vectors
- + */
- +#define RMD256_TEST_VECTORS 8
- +
- +static struct hash_testvec rmd256_tv_template[] = {
- + {
- + .digest = "\x02\xba\x4c\x4e\x5f\x8e\xcd\x18"
- + "\x77\xfc\x52\xd6\x4d\x30\xe3\x7a"
- + "\x2d\x97\x74\xfb\x1e\x5d\x02\x63"
- + "\x80\xae\x01\x68\xe3\xc5\x52\x2d",
- + }, {
- + .plaintext = "a",
- + .psize = 1,
- + .digest = "\xf9\x33\x3e\x45\xd8\x57\xf5\xd9"
- + "\x0a\x91\xba\xb7\x0a\x1e\xba\x0c"
- + "\xfb\x1b\xe4\xb0\x78\x3c\x9a\xcf"
- + "\xcd\x88\x3a\x91\x34\x69\x29\x25",
- + }, {
- + .plaintext = "abc",
- + .psize = 3,
- + .digest = "\xaf\xbd\x6e\x22\x8b\x9d\x8c\xbb"
- + "\xce\xf5\xca\x2d\x03\xe6\xdb\xa1"
- + "\x0a\xc0\xbc\x7d\xcb\xe4\x68\x0e"
- + "\x1e\x42\xd2\xe9\x75\x45\x9b\x65",
- + }, {
- + .plaintext = "message digest",
- + .psize = 14,
- + .digest = "\x87\xe9\x71\x75\x9a\x1c\xe4\x7a"
- + "\x51\x4d\x5c\x91\x4c\x39\x2c\x90"
- + "\x18\xc7\xc4\x6b\xc1\x44\x65\x55"
- + "\x4a\xfc\xdf\x54\xa5\x07\x0c\x0e",
- + }, {
- + .plaintext = "abcdefghijklmnopqrstuvwxyz",
- + .psize = 26,
- + .digest = "\x64\x9d\x30\x34\x75\x1e\xa2\x16"
- + "\x77\x6b\xf9\xa1\x8a\xcc\x81\xbc"
- + "\x78\x96\x11\x8a\x51\x97\x96\x87"
- + "\x82\xdd\x1f\xd9\x7d\x8d\x51\x33",
- + }, {
- + .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
- + "fghijklmnopqrstuvwxyz0123456789",
- + .psize = 62,
- + .digest = "\x57\x40\xa4\x08\xac\x16\xb7\x20"
- + "\xb8\x44\x24\xae\x93\x1c\xbb\x1f"
- + "\xe3\x63\xd1\xd0\xbf\x40\x17\xf1"
- + "\xa8\x9f\x7e\xa6\xde\x77\xa0\xb8",
- + }, {
- + .plaintext = "1234567890123456789012345678901234567890"
- + "1234567890123456789012345678901234567890",
- + .psize = 80,
- + .digest = "\x06\xfd\xcc\x7a\x40\x95\x48\xaa"
- + "\xf9\x13\x68\xc0\x6a\x62\x75\xb5"
- + "\x53\xe3\xf0\x99\xbf\x0e\xa4\xed"
- + "\xfd\x67\x78\xdf\x89\xa8\x90\xdd",
- + }, {
- + .plaintext = "abcdbcdecdefdefgefghfghighij"
- + "hijkijkljklmklmnlmnomnopnopq",
- + .psize = 56,
- + .digest = "\x38\x43\x04\x55\x83\xaa\xc6\xc8"
- + "\xc8\xd9\x12\x85\x73\xe7\xa9\x80"
- + "\x9a\xfb\x2a\x0f\x34\xcc\xc3\x6e"
- + "\xa9\xe7\x2f\x16\xf6\x36\x8e\x3f",
- + .np = 2,
- + .tap = { 28, 28 },
- + }
- +};
- +
- +/*
- + * RIPEMD-320 test vectors
- + */
- +#define RMD320_TEST_VECTORS 8
- +
- +static struct hash_testvec rmd320_tv_template[] = {
- + {
- + .digest = "\x22\xd6\x5d\x56\x61\x53\x6c\xdc\x75\xc1"
- + "\xfd\xf5\xc6\xde\x7b\x41\xb9\xf2\x73\x25"
- + "\xeb\xc6\x1e\x85\x57\x17\x7d\x70\x5a\x0e"
- + "\xc8\x80\x15\x1c\x3a\x32\xa0\x08\x99\xb8",
- + }, {
- + .plaintext = "a",
- + .psize = 1,
- + .digest = "\xce\x78\x85\x06\x38\xf9\x26\x58\xa5\xa5"
- + "\x85\x09\x75\x79\x92\x6d\xda\x66\x7a\x57"
- + "\x16\x56\x2c\xfc\xf6\xfb\xe7\x7f\x63\x54"
- + "\x2f\x99\xb0\x47\x05\xd6\x97\x0d\xff\x5d",
- + }, {
- + .plaintext = "abc",
- + .psize = 3,
- + .digest = "\xde\x4c\x01\xb3\x05\x4f\x89\x30\xa7\x9d"
- + "\x09\xae\x73\x8e\x92\x30\x1e\x5a\x17\x08"
- + "\x5b\xef\xfd\xc1\xb8\xd1\x16\x71\x3e\x74"
- + "\xf8\x2f\xa9\x42\xd6\x4c\xdb\xc4\x68\x2d",
- + }, {
- + .plaintext = "message digest",
- + .psize = 14,
- + .digest = "\x3a\x8e\x28\x50\x2e\xd4\x5d\x42\x2f\x68"
- + "\x84\x4f\x9d\xd3\x16\xe7\xb9\x85\x33\xfa"
- + "\x3f\x2a\x91\xd2\x9f\x84\xd4\x25\xc8\x8d"
- + "\x6b\x4e\xff\x72\x7d\xf6\x6a\x7c\x01\x97",
- + }, {
- + .plaintext = "abcdefghijklmnopqrstuvwxyz",
- + .psize = 26,
- + .digest = "\xca\xbd\xb1\x81\x0b\x92\x47\x0a\x20\x93"
- + "\xaa\x6b\xce\x05\x95\x2c\x28\x34\x8c\xf4"
- + "\x3f\xf6\x08\x41\x97\x51\x66\xbb\x40\xed"
- + "\x23\x40\x04\xb8\x82\x44\x63\xe6\xb0\x09",
- + }, {
- + .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
- + "fghijklmnopqrstuvwxyz0123456789",
- + .psize = 62,
- + .digest = "\xed\x54\x49\x40\xc8\x6d\x67\xf2\x50\xd2"
- + "\x32\xc3\x0b\x7b\x3e\x57\x70\xe0\xc6\x0c"
- + "\x8c\xb9\xa4\xca\xfe\x3b\x11\x38\x8a\xf9"
- + "\x92\x0e\x1b\x99\x23\x0b\x84\x3c\x86\xa4",
- + }, {
- + .plaintext = "1234567890123456789012345678901234567890"
- + "1234567890123456789012345678901234567890",
- + .psize = 80,
- + .digest = "\x55\x78\x88\xaf\x5f\x6d\x8e\xd6\x2a\xb6"
- + "\x69\x45\xc6\xd2\xa0\xa4\x7e\xcd\x53\x41"
- + "\xe9\x15\xeb\x8f\xea\x1d\x05\x24\x95\x5f"
- + "\x82\x5d\xc7\x17\xe4\xa0\x08\xab\x2d\x42",
- + }, {
- + .plaintext = "abcdbcdecdefdefgefghfghighij"
- + "hijkijkljklmklmnlmnomnopnopq",
- + .psize = 56,
- + .digest = "\xd0\x34\xa7\x95\x0c\xf7\x22\x02\x1b\xa4"
- + "\xb8\x4d\xf7\x69\xa5\xde\x20\x60\xe2\x59"
- + "\xdf\x4c\x9b\xb4\xa4\x26\x8c\x0e\x93\x5b"
- + "\xbc\x74\x70\xa9\x69\xc9\xd0\x72\xa1\xac",
- + .np = 2,
- + .tap = { 28, 28 },
- + }
- };
-
- /*
- @@ -817,6 +1076,168 @@ static struct hash_testvec hmac_md5_tv_t
- };
-
- /*
- + * HMAC-RIPEMD128 test vectors from RFC2286
- + */
- +#define HMAC_RMD128_TEST_VECTORS 7
- +
- +static struct hash_testvec hmac_rmd128_tv_template[] = {
- + {
- + .key = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
- + .ksize = 16,
- + .plaintext = "Hi There",
- + .psize = 8,
- + .digest = "\xfb\xf6\x1f\x94\x92\xaa\x4b\xbf"
- + "\x81\xc1\x72\xe8\x4e\x07\x34\xdb",
- + }, {
- + .key = "Jefe",
- + .ksize = 4,
- + .plaintext = "what do ya want for nothing?",
- + .psize = 28,
- + .digest = "\x87\x5f\x82\x88\x62\xb6\xb3\x34"
- + "\xb4\x27\xc5\x5f\x9f\x7f\xf0\x9b",
- + .np = 2,
- + .tap = { 14, 14 },
- + }, {
- + .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
- + .ksize = 16,
- + .plaintext = "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
- + "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
- + "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
- + "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd",
- + .psize = 50,
- + .digest = "\x09\xf0\xb2\x84\x6d\x2f\x54\x3d"
- + "\xa3\x63\xcb\xec\x8d\x62\xa3\x8d",
- + }, {
- + .key = "\x01\x02\x03\x04\x05\x06\x07\x08"
- + "\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10"
- + "\x11\x12\x13\x14\x15\x16\x17\x18\x19",
- + .ksize = 25,
- + .plaintext = "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
- + "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
- + "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
- + "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd",
- + .psize = 50,
- + .digest = "\xbd\xbb\xd7\xcf\x03\xe4\x4b\x5a"
- + "\xa6\x0a\xf8\x15\xbe\x4d\x22\x94",
- + }, {
- + .key = "\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c",
- + .ksize = 16,
- + .plaintext = "Test With Truncation",
- + .psize = 20,
- + .digest = "\xe7\x98\x08\xf2\x4b\x25\xfd\x03"
- + "\x1c\x15\x5f\x0d\x55\x1d\x9a\x3a",
- + }, {
- + .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa",
- + .ksize = 80,
- + .plaintext = "Test Using Larger Than Block-Size Key - Hash Key First",
- + .psize = 54,
- + .digest = "\xdc\x73\x29\x28\xde\x98\x10\x4a"
- + "\x1f\x59\xd3\x73\xc1\x50\xac\xbb",
- + }, {
- + .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa",
- + .ksize = 80,
- + .plaintext = "Test Using Larger Than Block-Size Key and Larger Than One "
- + "Block-Size Data",
- + .psize = 73,
- + .digest = "\x5c\x6b\xec\x96\x79\x3e\x16\xd4"
- + "\x06\x90\xc2\x37\x63\x5f\x30\xc5",
- + },
- +};
- +
- +/*
- + * HMAC-RIPEMD160 test vectors from RFC2286
- + */
- +#define HMAC_RMD160_TEST_VECTORS 7
- +
- +static struct hash_testvec hmac_rmd160_tv_template[] = {
- + {
- + .key = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
- + .ksize = 20,
- + .plaintext = "Hi There",
- + .psize = 8,
- + .digest = "\x24\xcb\x4b\xd6\x7d\x20\xfc\x1a\x5d\x2e"
- + "\xd7\x73\x2d\xcc\x39\x37\x7f\x0a\x56\x68",
- + }, {
- + .key = "Jefe",
- + .ksize = 4,
- + .plaintext = "what do ya want for nothing?",
- + .psize = 28,
- + .digest = "\xdd\xa6\xc0\x21\x3a\x48\x5a\x9e\x24\xf4"
- + "\x74\x20\x64\xa7\xf0\x33\xb4\x3c\x40\x69",
- + .np = 2,
- + .tap = { 14, 14 },
- + }, {
- + .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
- + .ksize = 20,
- + .plaintext = "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
- + "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
- + "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
- + "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd",
- + .psize = 50,
- + .digest = "\xb0\xb1\x05\x36\x0d\xe7\x59\x96\x0a\xb4"
- + "\xf3\x52\x98\xe1\x16\xe2\x95\xd8\xe7\xc1",
- + }, {
- + .key = "\x01\x02\x03\x04\x05\x06\x07\x08"
- + "\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10"
- + "\x11\x12\x13\x14\x15\x16\x17\x18\x19",
- + .ksize = 25,
- + .plaintext = "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
- + "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
- + "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
- + "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd",
- + .psize = 50,
- + .digest = "\xd5\xca\x86\x2f\x4d\x21\xd5\xe6\x10\xe1"
- + "\x8b\x4c\xf1\xbe\xb9\x7a\x43\x65\xec\xf4",
- + }, {
- + .key = "\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c",
- + .ksize = 20,
- + .plaintext = "Test With Truncation",
- + .psize = 20,
- + .digest = "\x76\x19\x69\x39\x78\xf9\x1d\x90\x53\x9a"
- + "\xe7\x86\x50\x0f\xf3\xd8\xe0\x51\x8e\x39",
- + }, {
- + .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa",
- + .ksize = 80,
- + .plaintext = "Test Using Larger Than Block-Size Key - Hash Key First",
- + .psize = 54,
- + .digest = "\x64\x66\xca\x07\xac\x5e\xac\x29\xe1\xbd"
- + "\x52\x3e\x5a\xda\x76\x05\xb7\x91\xfd\x8b",
- + }, {
- + .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
- + "\xaa\xaa",
- + .ksize = 80,
- + .plaintext = "Test Using Larger Than Block-Size Key and Larger Than One "
- + "Block-Size Data",
- + .psize = 73,
- + .digest = "\x69\xea\x60\x79\x8d\x71\x61\x6c\xce\x5f"
- + "\xd0\x87\x1e\x23\x75\x4c\xd7\x5d\x5a\x0a",
- + },
- +};
- +
- +/*
- * HMAC-SHA1 test vectors from RFC2202
- */
- #define HMAC_SHA1_TEST_VECTORS 7
- @@ -1442,6 +1863,8 @@ static struct hash_testvec hmac_sha512_t
- #define DES_CBC_DEC_TEST_VECTORS 4
- #define DES3_EDE_ENC_TEST_VECTORS 3
- #define DES3_EDE_DEC_TEST_VECTORS 3
- +#define DES3_EDE_CBC_ENC_TEST_VECTORS 1
- +#define DES3_EDE_CBC_DEC_TEST_VECTORS 1
-
- static struct cipher_testvec des_enc_tv_template[] = {
- { /* From Applied Cryptography */
- @@ -1680,9 +2103,6 @@ static struct cipher_testvec des_cbc_dec
- },
- };
-
- -/*
- - * We really need some more test vectors, especially for DES3 CBC.
- - */
- static struct cipher_testvec des3_ede_enc_tv_template[] = {
- { /* These are from openssl */
- .key = "\x01\x23\x45\x67\x89\xab\xcd\xef"
- @@ -1745,6 +2165,94 @@ static struct cipher_testvec des3_ede_de
- },
- };
-
- +static struct cipher_testvec des3_ede_cbc_enc_tv_template[] = {
- + { /* Generated from openssl */
- + .key = "\xE9\xC0\xFF\x2E\x76\x0B\x64\x24"
- + "\x44\x4D\x99\x5A\x12\xD6\x40\xC0"
- + "\xEA\xC2\x84\xE8\x14\x95\xDB\xE8",
- + .klen = 24,
- + .iv = "\x7D\x33\x88\x93\x0F\x93\xB2\x42",
- + .input = "\x6f\x54\x20\x6f\x61\x4d\x79\x6e"
- + "\x53\x20\x63\x65\x65\x72\x73\x74"
- + "\x54\x20\x6f\x6f\x4d\x20\x6e\x61"
- + "\x20\x79\x65\x53\x72\x63\x74\x65"
- + "\x20\x73\x6f\x54\x20\x6f\x61\x4d"
- + "\x79\x6e\x53\x20\x63\x65\x65\x72"
- + "\x73\x74\x54\x20\x6f\x6f\x4d\x20"
- + "\x6e\x61\x20\x79\x65\x53\x72\x63"
- + "\x74\x65\x20\x73\x6f\x54\x20\x6f"
- + "\x61\x4d\x79\x6e\x53\x20\x63\x65"
- + "\x65\x72\x73\x74\x54\x20\x6f\x6f"
- + "\x4d\x20\x6e\x61\x20\x79\x65\x53"
- + "\x72\x63\x74\x65\x20\x73\x6f\x54"
- + "\x20\x6f\x61\x4d\x79\x6e\x53\x20"
- + "\x63\x65\x65\x72\x73\x74\x54\x20"
- + "\x6f\x6f\x4d\x20\x6e\x61\x0a\x79",
- + .ilen = 128,
- + .result = "\x0e\x2d\xb6\x97\x3c\x56\x33\xf4"
- + "\x67\x17\x21\xc7\x6e\x8a\xd5\x49"
- + "\x74\xb3\x49\x05\xc5\x1c\xd0\xed"
- + "\x12\x56\x5c\x53\x96\xb6\x00\x7d"
- + "\x90\x48\xfc\xf5\x8d\x29\x39\xcc"
- + "\x8a\xd5\x35\x18\x36\x23\x4e\xd7"
- + "\x76\xd1\xda\x0c\x94\x67\xbb\x04"
- + "\x8b\xf2\x03\x6c\xa8\xcf\xb6\xea"
- + "\x22\x64\x47\xaa\x8f\x75\x13\xbf"
- + "\x9f\xc2\xc3\xf0\xc9\x56\xc5\x7a"
- + "\x71\x63\x2e\x89\x7b\x1e\x12\xca"
- + "\xe2\x5f\xaf\xd8\xa4\xf8\xc9\x7a"
- + "\xd6\xf9\x21\x31\x62\x44\x45\xa6"
- + "\xd6\xbc\x5a\xd3\x2d\x54\x43\xcc"
- + "\x9d\xde\xa5\x70\xe9\x42\x45\x8a"
- + "\x6b\xfa\xb1\x91\x13\xb0\xd9\x19",
- + .rlen = 128,
- + },
- +};
- +
- +static struct cipher_testvec des3_ede_cbc_dec_tv_template[] = {
- + { /* Generated from openssl */
- + .key = "\xE9\xC0\xFF\x2E\x76\x0B\x64\x24"
- + "\x44\x4D\x99\x5A\x12\xD6\x40\xC0"
- + "\xEA\xC2\x84\xE8\x14\x95\xDB\xE8",
- + .klen = 24,
- + .iv = "\x7D\x33\x88\x93\x0F\x93\xB2\x42",
- + .input = "\x0e\x2d\xb6\x97\x3c\x56\x33\xf4"
- + "\x67\x17\x21\xc7\x6e\x8a\xd5\x49"
- + "\x74\xb3\x49\x05\xc5\x1c\xd0\xed"
- + "\x12\x56\x5c\x53\x96\xb6\x00\x7d"
- + "\x90\x48\xfc\xf5\x8d\x29\x39\xcc"
- + "\x8a\xd5\x35\x18\x36\x23\x4e\xd7"
- + "\x76\xd1\xda\x0c\x94\x67\xbb\x04"
- + "\x8b\xf2\x03\x6c\xa8\xcf\xb6\xea"
- + "\x22\x64\x47\xaa\x8f\x75\x13\xbf"
- + "\x9f\xc2\xc3\xf0\xc9\x56\xc5\x7a"
- + "\x71\x63\x2e\x89\x7b\x1e\x12\xca"
- + "\xe2\x5f\xaf\xd8\xa4\xf8\xc9\x7a"
- + "\xd6\xf9\x21\x31\x62\x44\x45\xa6"
- + "\xd6\xbc\x5a\xd3\x2d\x54\x43\xcc"
- + "\x9d\xde\xa5\x70\xe9\x42\x45\x8a"
- + "\x6b\xfa\xb1\x91\x13\xb0\xd9\x19",
- + .ilen = 128,
- + .result = "\x6f\x54\x20\x6f\x61\x4d\x79\x6e"
- + "\x53\x20\x63\x65\x65\x72\x73\x74"
- + "\x54\x20\x6f\x6f\x4d\x20\x6e\x61"
- + "\x20\x79\x65\x53\x72\x63\x74\x65"
- + "\x20\x73\x6f\x54\x20\x6f\x61\x4d"
- + "\x79\x6e\x53\x20\x63\x65\x65\x72"
- + "\x73\x74\x54\x20\x6f\x6f\x4d\x20"
- + "\x6e\x61\x20\x79\x65\x53\x72\x63"
- + "\x74\x65\x20\x73\x6f\x54\x20\x6f"
- + "\x61\x4d\x79\x6e\x53\x20\x63\x65"
- + "\x65\x72\x73\x74\x54\x20\x6f\x6f"
- + "\x4d\x20\x6e\x61\x20\x79\x65\x53"
- + "\x72\x63\x74\x65\x20\x73\x6f\x54"
- + "\x20\x6f\x61\x4d\x79\x6e\x53\x20"
- + "\x63\x65\x65\x72\x73\x74\x54\x20"
- + "\x6f\x6f\x4d\x20\x6e\x61\x0a\x79",
- + .rlen = 128,
- + },
- +};
- +
- /*
- * Blowfish test vectors.
- */
- --- a/drivers/crypto/Kconfig
- +++ b/drivers/crypto/Kconfig
- @@ -174,4 +174,30 @@ config CRYPTO_DEV_HIFN_795X_RNG
- Select this option if you want to enable the random number generator
- on the HIFN 795x crypto adapters.
-
- +config CRYPTO_DEV_TALITOS
- + tristate "Talitos Freescale Security Engine (SEC)"
- + select CRYPTO_ALGAPI
- + select CRYPTO_AUTHENC
- + select HW_RANDOM
- + depends on FSL_SOC
- + help
- + Say 'Y' here to use the Freescale Security Engine (SEC)
- + to offload cryptographic algorithm computation.
- +
- + The Freescale SEC is present on PowerQUICC 'E' processors, such
- + as the MPC8349E and MPC8548E.
- +
- + To compile this driver as a module, choose M here: the module
- + will be called talitos.
- +
- +config CRYPTO_DEV_IXP4XX
- + tristate "Driver for IXP4xx crypto hardware acceleration"
- + depends on ARCH_IXP4XX
- + select CRYPTO_DES
- + select CRYPTO_ALGAPI
- + select CRYPTO_AUTHENC
- + select CRYPTO_BLKCIPHER
- + help
- + Driver for the IXP4xx NPE crypto engine.
- +
- endif # CRYPTO_HW
- --- a/drivers/crypto/Makefile
- +++ b/drivers/crypto/Makefile
- @@ -2,3 +2,5 @@ obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) +=
- obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
- obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
- obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
- +obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
- +obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
- --- a/drivers/crypto/hifn_795x.c
- +++ b/drivers/crypto/hifn_795x.c
- @@ -29,7 +29,6 @@
- #include <linux/dma-mapping.h>
- #include <linux/scatterlist.h>
- #include <linux/highmem.h>
- -#include <linux/interrupt.h>
- #include <linux/crypto.h>
- #include <linux/hw_random.h>
- #include <linux/ktime.h>
- @@ -369,7 +368,9 @@ static atomic_t hifn_dev_number;
- #define HIFN_D_DST_RSIZE 80*4
- #define HIFN_D_RES_RSIZE 24*4
-
- -#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-5
- +#define HIFN_D_DST_DALIGN 4
- +
- +#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-1
-
- #define AES_MIN_KEY_SIZE 16
- #define AES_MAX_KEY_SIZE 32
- @@ -535,10 +536,10 @@ struct hifn_crypt_command
- */
- struct hifn_mac_command
- {
- - volatile u16 masks;
- - volatile u16 header_skip;
- - volatile u16 source_count;
- - volatile u16 reserved;
- + volatile __le16 masks;
- + volatile __le16 header_skip;
- + volatile __le16 source_count;
- + volatile __le16 reserved;
- };
-
- #define HIFN_MAC_CMD_ALG_MASK 0x0001
- @@ -564,10 +565,10 @@ struct hifn_mac_command
-
- struct hifn_comp_command
- {
- - volatile u16 masks;
- - volatile u16 header_skip;
- - volatile u16 source_count;
- - volatile u16 reserved;
- + volatile __le16 masks;
- + volatile __le16 header_skip;
- + volatile __le16 source_count;
- + volatile __le16 reserved;
- };
-
- #define HIFN_COMP_CMD_SRCLEN_M 0xc000
- @@ -583,10 +584,10 @@ struct hifn_comp_command
-
- struct hifn_base_result
- {
- - volatile u16 flags;
- - volatile u16 session;
- - volatile u16 src_cnt; /* 15:0 of source count */
- - volatile u16 dst_cnt; /* 15:0 of dest count */
- + volatile __le16 flags;
- + volatile __le16 session;
- + volatile __le16 src_cnt; /* 15:0 of source count */
- + volatile __le16 dst_cnt; /* 15:0 of dest count */
- };
-
- #define HIFN_BASE_RES_DSTOVERRUN 0x0200 /* destination overrun */
- @@ -597,8 +598,8 @@ struct hifn_base_result
-
- struct hifn_comp_result
- {
- - volatile u16 flags;
- - volatile u16 crc;
- + volatile __le16 flags;
- + volatile __le16 crc;
- };
-
- #define HIFN_COMP_RES_LCB_M 0xff00 /* longitudinal check byte */
- @@ -609,8 +610,8 @@ struct hifn_comp_result
-
- struct hifn_mac_result
- {
- - volatile u16 flags;
- - volatile u16 reserved;
- + volatile __le16 flags;
- + volatile __le16 reserved;
- /* followed by 0, 6, 8, or 10 u16's of the MAC, then crypt */
- };
-
- @@ -619,8 +620,8 @@ struct hifn_mac_result
-
- struct hifn_crypt_result
- {
- - volatile u16 flags;
- - volatile u16 reserved;
- + volatile __le16 flags;
- + volatile __le16 reserved;
- };
-
- #define HIFN_CRYPT_RES_SRC_NOTZERO 0x0001 /* source expired */
- @@ -686,12 +687,12 @@ static inline u32 hifn_read_1(struct hif
-
- static inline void hifn_write_0(struct hifn_device *dev, u32 reg, u32 val)
- {
- - writel(val, dev->bar[0] + reg);
- + writel((__force u32)cpu_to_le32(val), dev->bar[0] + reg);
- }
-
- static inline void hifn_write_1(struct hifn_device *dev, u32 reg, u32 val)
- {
- - writel(val, dev->bar[1] + reg);
- + writel((__force u32)cpu_to_le32(val), dev->bar[1] + reg);
- }
-
- static void hifn_wait_puc(struct hifn_device *dev)
- @@ -894,7 +895,7 @@ static int hifn_enable_crypto(struct hif
- char *offtbl = NULL;
- int i;
-
- - for (i = 0; i < sizeof(pci2id)/sizeof(pci2id[0]); i++) {
- + for (i = 0; i < ARRAY_SIZE(pci2id); i++) {
- if (pci2id[i].pci_vendor == dev->pdev->vendor &&
- pci2id[i].pci_prod == dev->pdev->device) {
- offtbl = pci2id[i].card_id;
- @@ -1037,14 +1038,14 @@ static void hifn_init_registers(struct h
- hifn_write_0(dev, HIFN_0_PUIER, HIFN_PUIER_DSTOVER);
-
- /* write all 4 ring address registers */
- - hifn_write_1(dev, HIFN_1_DMA_CRAR, __cpu_to_le32(dptr +
- - offsetof(struct hifn_dma, cmdr[0])));
- - hifn_write_1(dev, HIFN_1_DMA_SRAR, __cpu_to_le32(dptr +
- - offsetof(struct hifn_dma, srcr[0])));
- - hifn_write_1(dev, HIFN_1_DMA_DRAR, __cpu_to_le32(dptr +
- - offsetof(struct hifn_dma, dstr[0])));
- - hifn_write_1(dev, HIFN_1_DMA_RRAR, __cpu_to_le32(dptr +
- - offsetof(struct hifn_dma, resr[0])));
- + hifn_write_1(dev, HIFN_1_DMA_CRAR, dptr +
- + offsetof(struct hifn_dma, cmdr[0]));
- + hifn_write_1(dev, HIFN_1_DMA_SRAR, dptr +
- + offsetof(struct hifn_dma, srcr[0]));
- + hifn_write_1(dev, HIFN_1_DMA_DRAR, dptr +
- + offsetof(struct hifn_dma, dstr[0]));
- + hifn_write_1(dev, HIFN_1_DMA_RRAR, dptr +
- + offsetof(struct hifn_dma, resr[0]));
-
- mdelay(2);
- #if 0
- @@ -1166,109 +1167,15 @@ static int hifn_setup_crypto_command(str
- return cmd_len;
- }
-
- -static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
- - unsigned int offset, unsigned int size)
- -{
- - struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- - int idx;
- - dma_addr_t addr;
- -
- - addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_TODEVICE);
- -
- - idx = dma->srci;
- -
- - dma->srcr[idx].p = __cpu_to_le32(addr);
- - dma->srcr[idx].l = __cpu_to_le32(size) | HIFN_D_VALID |
- - HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST;
- -
- - if (++idx == HIFN_D_SRC_RSIZE) {
- - dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
- - HIFN_D_JUMP |
- - HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- - idx = 0;
- - }
- -
- - dma->srci = idx;
- - dma->srcu++;
- -
- - if (!(dev->flags & HIFN_FLAG_SRC_BUSY)) {
- - hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_S_CTRL_ENA);
- - dev->flags |= HIFN_FLAG_SRC_BUSY;
- - }
- -
- - return size;
- -}
- -
- -static void hifn_setup_res_desc(struct hifn_device *dev)
- -{
- - struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- -
- - dma->resr[dma->resi].l = __cpu_to_le32(HIFN_USED_RESULT |
- - HIFN_D_VALID | HIFN_D_LAST);
- - /*
- - * dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |
- - * HIFN_D_LAST | HIFN_D_NOINVALID);
- - */
- -
- - if (++dma->resi == HIFN_D_RES_RSIZE) {
- - dma->resr[HIFN_D_RES_RSIZE].l = __cpu_to_le32(HIFN_D_VALID |
- - HIFN_D_JUMP | HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- - dma->resi = 0;
- - }
- -
- - dma->resu++;
- -
- - if (!(dev->flags & HIFN_FLAG_RES_BUSY)) {
- - hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_R_CTRL_ENA);
- - dev->flags |= HIFN_FLAG_RES_BUSY;
- - }
- -}
- -
- -static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
- - unsigned offset, unsigned size)
- -{
- - struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- - int idx;
- - dma_addr_t addr;
- -
- - addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_FROMDEVICE);
- -
- - idx = dma->dsti;
- - dma->dstr[idx].p = __cpu_to_le32(addr);
- - dma->dstr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
- - HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);
- -
- - if (++idx == HIFN_D_DST_RSIZE) {
- - dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |
- - HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |
- - HIFN_D_LAST | HIFN_D_NOINVALID);
- - idx = 0;
- - }
- - dma->dsti = idx;
- - dma->dstu++;
- -
- - if (!(dev->flags & HIFN_FLAG_DST_BUSY)) {
- - hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_D_CTRL_ENA);
- - dev->flags |= HIFN_FLAG_DST_BUSY;
- - }
- -}
- -
- -static int hifn_setup_dma(struct hifn_device *dev, struct page *spage, unsigned int soff,
- - struct page *dpage, unsigned int doff, unsigned int nbytes, void *priv,
- - struct hifn_context *ctx)
- +static int hifn_setup_cmd_desc(struct hifn_device *dev,
- + struct hifn_context *ctx, void *priv, unsigned int nbytes)
- {
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- int cmd_len, sa_idx;
- u8 *buf, *buf_pos;
- u16 mask;
-
- - dprintk("%s: spage: %p, soffset: %u, dpage: %p, doffset: %u, nbytes: %u, priv: %p, ctx: %p.\n",
- - dev->name, spage, soff, dpage, doff, nbytes, priv, ctx);
- -
- - sa_idx = dma->resi;
- -
- - hifn_setup_src_desc(dev, spage, soff, nbytes);
- -
- + sa_idx = dma->cmdi;
- buf_pos = buf = dma->command_bufs[dma->cmdi];
-
- mask = 0;
- @@ -1370,16 +1277,113 @@ static int hifn_setup_dma(struct hifn_de
- hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_C_CTRL_ENA);
- dev->flags |= HIFN_FLAG_CMD_BUSY;
- }
- -
- - hifn_setup_dst_desc(dev, dpage, doff, nbytes);
- - hifn_setup_res_desc(dev);
- -
- return 0;
-
- err_out:
- return -EINVAL;
- }
-
- +static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
- + unsigned int offset, unsigned int size)
- +{
- + struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- + int idx;
- + dma_addr_t addr;
- +
- + addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_TODEVICE);
- +
- + idx = dma->srci;
- +
- + dma->srcr[idx].p = __cpu_to_le32(addr);
- + dma->srcr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
- + HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- +
- + if (++idx == HIFN_D_SRC_RSIZE) {
- + dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
- + HIFN_D_JUMP |
- + HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- + idx = 0;
- + }
- +
- + dma->srci = idx;
- + dma->srcu++;
- +
- + if (!(dev->flags & HIFN_FLAG_SRC_BUSY)) {
- + hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_S_CTRL_ENA);
- + dev->flags |= HIFN_FLAG_SRC_BUSY;
- + }
- +
- + return size;
- +}
- +
- +static void hifn_setup_res_desc(struct hifn_device *dev)
- +{
- + struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- +
- + dma->resr[dma->resi].l = __cpu_to_le32(HIFN_USED_RESULT |
- + HIFN_D_VALID | HIFN_D_LAST);
- + /*
- + * dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |
- + * HIFN_D_LAST);
- + */
- +
- + if (++dma->resi == HIFN_D_RES_RSIZE) {
- + dma->resr[HIFN_D_RES_RSIZE].l = __cpu_to_le32(HIFN_D_VALID |
- + HIFN_D_JUMP | HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- + dma->resi = 0;
- + }
- +
- + dma->resu++;
- +
- + if (!(dev->flags & HIFN_FLAG_RES_BUSY)) {
- + hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_R_CTRL_ENA);
- + dev->flags |= HIFN_FLAG_RES_BUSY;
- + }
- +}
- +
- +static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
- + unsigned offset, unsigned size)
- +{
- + struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- + int idx;
- + dma_addr_t addr;
- +
- + addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_FROMDEVICE);
- +
- + idx = dma->dsti;
- + dma->dstr[idx].p = __cpu_to_le32(addr);
- + dma->dstr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
- + HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- +
- + if (++idx == HIFN_D_DST_RSIZE) {
- + dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |
- + HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |
- + HIFN_D_LAST);
- + idx = 0;
- + }
- + dma->dsti = idx;
- + dma->dstu++;
- +
- + if (!(dev->flags & HIFN_FLAG_DST_BUSY)) {
- + hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_D_CTRL_ENA);
- + dev->flags |= HIFN_FLAG_DST_BUSY;
- + }
- +}
- +
- +static int hifn_setup_dma(struct hifn_device *dev, struct page *spage, unsigned int soff,
- + struct page *dpage, unsigned int doff, unsigned int nbytes, void *priv,
- + struct hifn_context *ctx)
- +{
- + dprintk("%s: spage: %p, soffset: %u, dpage: %p, doffset: %u, nbytes: %u, priv: %p, ctx: %p.\n",
- + dev->name, spage, soff, dpage, doff, nbytes, priv, ctx);
- +
- + hifn_setup_src_desc(dev, spage, soff, nbytes);
- + hifn_setup_cmd_desc(dev, ctx, priv, nbytes);
- + hifn_setup_dst_desc(dev, dpage, doff, nbytes);
- + hifn_setup_res_desc(dev);
- + return 0;
- +}
- +
- static int ablkcipher_walk_init(struct ablkcipher_walk *w,
- int num, gfp_t gfp_flags)
- {
- @@ -1431,7 +1435,7 @@ static int ablkcipher_add(void *daddr, u
- return -EINVAL;
-
- while (size) {
- - copy = min(drest, src->length);
- + copy = min(drest, min(size, src->length));
-
- saddr = kmap_atomic(sg_page(src), KM_SOFTIRQ1);
- memcpy(daddr, saddr + src->offset, copy);
- @@ -1458,10 +1462,6 @@ static int ablkcipher_add(void *daddr, u
- static int ablkcipher_walk(struct ablkcipher_request *req,
- struct ablkcipher_walk *w)
- {
- - unsigned blocksize =
- - crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(req));
- - unsigned alignmask =
- - crypto_ablkcipher_alignmask(crypto_ablkcipher_reqtfm(req));
- struct scatterlist *src, *dst, *t;
- void *daddr;
- unsigned int nbytes = req->nbytes, offset, copy, diff;
- @@ -1477,16 +1477,14 @@ static int ablkcipher_walk(struct ablkci
- dst = &req->dst[idx];
-
- dprintk("\n%s: slen: %u, dlen: %u, soff: %u, doff: %u, offset: %u, "
- - "blocksize: %u, nbytes: %u.\n",
- + "nbytes: %u.\n",
- __func__, src->length, dst->length, src->offset,
- - dst->offset, offset, blocksize, nbytes);
- + dst->offset, offset, nbytes);
-
- - if (src->length & (blocksize - 1) ||
- - src->offset & (alignmask - 1) ||
- - dst->length & (blocksize - 1) ||
- - dst->offset & (alignmask - 1) ||
- - offset) {
- - unsigned slen = src->length - offset;
- + if (!IS_ALIGNED(dst->offset, HIFN_D_DST_DALIGN) ||
- + !IS_ALIGNED(dst->length, HIFN_D_DST_DALIGN) ||
- + offset) {
- + unsigned slen = min(src->length - offset, nbytes);
- unsigned dlen = PAGE_SIZE;
-
- t = &w->cache[idx];
- @@ -1498,8 +1496,8 @@ static int ablkcipher_walk(struct ablkci
-
- idx += err;
-
- - copy = slen & ~(blocksize - 1);
- - diff = slen & (blocksize - 1);
- + copy = slen & ~(HIFN_D_DST_DALIGN - 1);
- + diff = slen & (HIFN_D_DST_DALIGN - 1);
-
- if (dlen < nbytes) {
- /*
- @@ -1507,7 +1505,7 @@ static int ablkcipher_walk(struct ablkci
- * to put there additional blocksized chunk,
- * so we mark that page as containing only
- * blocksize aligned chunks:
- - * t->length = (slen & ~(blocksize - 1));
- + * t->length = (slen & ~(HIFN_D_DST_DALIGN - 1));
- * and increase number of bytes to be processed
- * in next chunk:
- * nbytes += diff;
- @@ -1544,7 +1542,7 @@ static int ablkcipher_walk(struct ablkci
-
- kunmap_atomic(daddr, KM_SOFTIRQ0);
- } else {
- - nbytes -= src->length;
- + nbytes -= min(src->length, nbytes);
- idx++;
- }
-
- @@ -1563,14 +1561,10 @@ static int hifn_setup_session(struct abl
- struct hifn_context *ctx = crypto_tfm_ctx(req->base.tfm);
- struct hifn_device *dev = ctx->dev;
- struct page *spage, *dpage;
- - unsigned long soff, doff, flags;
- + unsigned long soff, doff, dlen, flags;
- unsigned int nbytes = req->nbytes, idx = 0, len;
- int err = -EINVAL, sg_num;
- struct scatterlist *src, *dst, *t;
- - unsigned blocksize =
- - crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(req));
- - unsigned alignmask =
- - crypto_ablkcipher_alignmask(crypto_ablkcipher_reqtfm(req));
-
- if (ctx->iv && !ctx->ivsize && ctx->mode != ACRYPTO_MODE_ECB)
- goto err_out_exit;
- @@ -1578,17 +1572,14 @@ static int hifn_setup_session(struct abl
- ctx->walk.flags = 0;
-
- while (nbytes) {
- - src = &req->src[idx];
- dst = &req->dst[idx];
- + dlen = min(dst->length, nbytes);
-
- - if (src->length & (blocksize - 1) ||
- - src->offset & (alignmask - 1) ||
- - dst->length & (blocksize - 1) ||
- - dst->offset & (alignmask - 1)) {
- + if (!IS_ALIGNED(dst->offset, HIFN_D_DST_DALIGN) ||
- + !IS_ALIGNED(dlen, HIFN_D_DST_DALIGN))
- ctx->walk.flags |= ASYNC_FLAGS_MISALIGNED;
- - }
-
- - nbytes -= src->length;
- + nbytes -= dlen;
- idx++;
- }
-
- @@ -1602,7 +1593,10 @@ static int hifn_setup_session(struct abl
- idx = 0;
-
- sg_num = ablkcipher_walk(req, &ctx->walk);
- -
- + if (sg_num < 0) {
- + err = sg_num;
- + goto err_out_exit;
- + }
- atomic_set(&ctx->sg_num, sg_num);
-
- spin_lock_irqsave(&dev->lock, flags);
- @@ -1640,7 +1634,7 @@ static int hifn_setup_session(struct abl
- if (err)
- goto err_out;
-
- - nbytes -= len;
- + nbytes -= min(len, nbytes);
- }
-
- dev->active = HIFN_DEFAULT_ACTIVE_NUM;
- @@ -1651,7 +1645,7 @@ static int hifn_setup_session(struct abl
- err_out:
- spin_unlock_irqrestore(&dev->lock, flags);
- err_out_exit:
- - if (err && printk_ratelimit())
- + if (err)
- dprintk("%s: iv: %p [%d], key: %p [%d], mode: %u, op: %u, "
- "type: %u, err: %d.\n",
- dev->name, ctx->iv, ctx->ivsize,
- @@ -1745,8 +1739,7 @@ static int ablkcipher_get(void *saddr, u
- return -EINVAL;
-
- while (size) {
- -
- - copy = min(dst->length, srest);
- + copy = min(srest, min(dst->length, size));
-
- daddr = kmap_atomic(sg_page(dst), KM_IRQ0);
- memcpy(daddr + dst->offset + offset, saddr, copy);
- @@ -1803,7 +1796,7 @@ static void hifn_process_ready(struct ab
- sg_page(dst), dst->length, nbytes);
-
- if (!t->length) {
- - nbytes -= dst->length;
- + nbytes -= min(dst->length, nbytes);
- idx++;
- continue;
- }
- @@ -2202,9 +2195,9 @@ static int hifn_setup_crypto(struct ablk
- return err;
-
- if (dev->started < HIFN_QUEUE_LENGTH && dev->queue.qlen)
- - err = hifn_process_queue(dev);
- + hifn_process_queue(dev);
-
- - return err;
- + return -EINPROGRESS;
- }
-
- /*
- @@ -2364,7 +2357,7 @@ static struct hifn_alg_template hifn_alg
- * 3DES ECB, CBC, CFB and OFB modes.
- */
- {
- - .name = "cfb(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
- + .name = "cfb(des3_ede)", .drv_name = "cfb-3des", .bsize = 8,
- .ablkcipher = {
- .min_keysize = HIFN_3DES_KEY_LENGTH,
- .max_keysize = HIFN_3DES_KEY_LENGTH,
- @@ -2374,7 +2367,7 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "ofb(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
- + .name = "ofb(des3_ede)", .drv_name = "ofb-3des", .bsize = 8,
- .ablkcipher = {
- .min_keysize = HIFN_3DES_KEY_LENGTH,
- .max_keysize = HIFN_3DES_KEY_LENGTH,
- @@ -2384,8 +2377,9 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "cbc(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
- + .name = "cbc(des3_ede)", .drv_name = "cbc-3des", .bsize = 8,
- .ablkcipher = {
- + .ivsize = HIFN_IV_LENGTH,
- .min_keysize = HIFN_3DES_KEY_LENGTH,
- .max_keysize = HIFN_3DES_KEY_LENGTH,
- .setkey = hifn_setkey,
- @@ -2394,7 +2388,7 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "ecb(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
- + .name = "ecb(des3_ede)", .drv_name = "ecb-3des", .bsize = 8,
- .ablkcipher = {
- .min_keysize = HIFN_3DES_KEY_LENGTH,
- .max_keysize = HIFN_3DES_KEY_LENGTH,
- @@ -2408,7 +2402,7 @@ static struct hifn_alg_template hifn_alg
- * DES ECB, CBC, CFB and OFB modes.
- */
- {
- - .name = "cfb(des)", .drv_name = "hifn-des", .bsize = 8,
- + .name = "cfb(des)", .drv_name = "cfb-des", .bsize = 8,
- .ablkcipher = {
- .min_keysize = HIFN_DES_KEY_LENGTH,
- .max_keysize = HIFN_DES_KEY_LENGTH,
- @@ -2418,7 +2412,7 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "ofb(des)", .drv_name = "hifn-des", .bsize = 8,
- + .name = "ofb(des)", .drv_name = "ofb-des", .bsize = 8,
- .ablkcipher = {
- .min_keysize = HIFN_DES_KEY_LENGTH,
- .max_keysize = HIFN_DES_KEY_LENGTH,
- @@ -2428,8 +2422,9 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "cbc(des)", .drv_name = "hifn-des", .bsize = 8,
- + .name = "cbc(des)", .drv_name = "cbc-des", .bsize = 8,
- .ablkcipher = {
- + .ivsize = HIFN_IV_LENGTH,
- .min_keysize = HIFN_DES_KEY_LENGTH,
- .max_keysize = HIFN_DES_KEY_LENGTH,
- .setkey = hifn_setkey,
- @@ -2438,7 +2433,7 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "ecb(des)", .drv_name = "hifn-des", .bsize = 8,
- + .name = "ecb(des)", .drv_name = "ecb-des", .bsize = 8,
- .ablkcipher = {
- .min_keysize = HIFN_DES_KEY_LENGTH,
- .max_keysize = HIFN_DES_KEY_LENGTH,
- @@ -2452,7 +2447,7 @@ static struct hifn_alg_template hifn_alg
- * AES ECB, CBC, CFB and OFB modes.
- */
- {
- - .name = "ecb(aes)", .drv_name = "hifn-aes", .bsize = 16,
- + .name = "ecb(aes)", .drv_name = "ecb-aes", .bsize = 16,
- .ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- @@ -2462,8 +2457,9 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "cbc(aes)", .drv_name = "hifn-aes", .bsize = 16,
- + .name = "cbc(aes)", .drv_name = "cbc-aes", .bsize = 16,
- .ablkcipher = {
- + .ivsize = HIFN_AES_IV_LENGTH,
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = hifn_setkey,
- @@ -2472,7 +2468,7 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "cfb(aes)", .drv_name = "hifn-aes", .bsize = 16,
- + .name = "cfb(aes)", .drv_name = "cfb-aes", .bsize = 16,
- .ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- @@ -2482,7 +2478,7 @@ static struct hifn_alg_template hifn_alg
- },
- },
- {
- - .name = "ofb(aes)", .drv_name = "hifn-aes", .bsize = 16,
- + .name = "ofb(aes)", .drv_name = "ofb-aes", .bsize = 16,
- .ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- @@ -2514,15 +2510,14 @@ static int hifn_alg_alloc(struct hifn_de
- return -ENOMEM;
-
- snprintf(alg->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s", t->name);
- - snprintf(alg->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", t->drv_name);
- + snprintf(alg->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-%s",
- + t->drv_name, dev->name);
-
- alg->alg.cra_priority = 300;
- alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
- alg->alg.cra_blocksize = t->bsize;
- alg->alg.cra_ctxsize = sizeof(struct hifn_context);
- - alg->alg.cra_alignmask = 15;
- - if (t->bsize == 8)
- - alg->alg.cra_alignmask = 3;
- + alg->alg.cra_alignmask = 0;
- alg->alg.cra_type = &crypto_ablkcipher_type;
- alg->alg.cra_module = THIS_MODULE;
- alg->alg.cra_u.ablkcipher = t->ablkcipher;
- --- /dev/null
- +++ b/drivers/crypto/ixp4xx_crypto.c
- @@ -0,0 +1,1506 @@
- +/*
- + * Intel IXP4xx NPE-C crypto driver
- + *
- + * Copyright (C) 2008 Christian Hohnstaedt <[email protected]>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of version 2 of the GNU General Public License
- + * as published by the Free Software Foundation.
- + *
- + */
- +
- +#include <linux/platform_device.h>
- +#include <linux/dma-mapping.h>
- +#include <linux/dmapool.h>
- +#include <linux/crypto.h>
- +#include <linux/kernel.h>
- +#include <linux/rtnetlink.h>
- +#include <linux/interrupt.h>
- +#include <linux/spinlock.h>
- +
- +#include <crypto/ctr.h>
- +#include <crypto/des.h>
- +#include <crypto/aes.h>
- +#include <crypto/sha.h>
- +#include <crypto/algapi.h>
- +#include <crypto/aead.h>
- +#include <crypto/authenc.h>
- +#include <crypto/scatterwalk.h>
- +
- +#include <asm/arch/npe.h>
- +#include <asm/arch/qmgr.h>
- +
- +#define MAX_KEYLEN 32
- +
- +/* hash: cfgword + 2 * digestlen; crypt: keylen + cfgword */
- +#define NPE_CTX_LEN 80
- +#define AES_BLOCK128 16
- +
- +#define NPE_OP_HASH_VERIFY 0x01
- +#define NPE_OP_CCM_ENABLE 0x04
- +#define NPE_OP_CRYPT_ENABLE 0x08
- +#define NPE_OP_HASH_ENABLE 0x10
- +#define NPE_OP_NOT_IN_PLACE 0x20
- +#define NPE_OP_HMAC_DISABLE 0x40
- +#define NPE_OP_CRYPT_ENCRYPT 0x80
- +
- +#define NPE_OP_CCM_GEN_MIC 0xcc
- +#define NPE_OP_HASH_GEN_ICV 0x50
- +#define NPE_OP_ENC_GEN_KEY 0xc9
- +
- +#define MOD_ECB 0x0000
- +#define MOD_CTR 0x1000
- +#define MOD_CBC_ENC 0x2000
- +#define MOD_CBC_DEC 0x3000
- +#define MOD_CCM_ENC 0x4000
- +#define MOD_CCM_DEC 0x5000
- +
- +#define KEYLEN_128 4
- +#define KEYLEN_192 6
- +#define KEYLEN_256 8
- +
- +#define CIPH_DECR 0x0000
- +#define CIPH_ENCR 0x0400
- +
- +#define MOD_DES 0x0000
- +#define MOD_TDEA2 0x0100
- +#define MOD_3DES 0x0200
- +#define MOD_AES 0x0800
- +#define MOD_AES128 (0x0800 | KEYLEN_128)
- +#define MOD_AES192 (0x0900 | KEYLEN_192)
- +#define MOD_AES256 (0x0a00 | KEYLEN_256)
- +
- +#define MAX_IVLEN 16
- +#define NPE_ID 2 /* NPE C */
- +#define NPE_QLEN 16
- +/* Space for registering when the first
- + * NPE_QLEN crypt_ctl are busy */
- +#define NPE_QLEN_TOTAL 64
- +
- +#define SEND_QID 29
- +#define RECV_QID 30
- +
- +#define CTL_FLAG_UNUSED 0x0000
- +#define CTL_FLAG_USED 0x1000
- +#define CTL_FLAG_PERFORM_ABLK 0x0001
- +#define CTL_FLAG_GEN_ICV 0x0002
- +#define CTL_FLAG_GEN_REVAES 0x0004
- +#define CTL_FLAG_PERFORM_AEAD 0x0008
- +#define CTL_FLAG_MASK 0x000f
- +
- +#define HMAC_IPAD_VALUE 0x36
- +#define HMAC_OPAD_VALUE 0x5C
- +#define HMAC_PAD_BLOCKLEN SHA1_BLOCK_SIZE
- +
- +#define MD5_DIGEST_SIZE 16
- +
- +struct buffer_desc {
- + u32 phys_next;
- + u16 buf_len;
- + u16 pkt_len;
- + u32 phys_addr;
- + u32 __reserved[4];
- + struct buffer_desc *next;
- +};
- +
- +struct crypt_ctl {
- + u8 mode; /* NPE_OP_* operation mode */
- + u8 init_len;
- + u16 reserved;
- + u8 iv[MAX_IVLEN]; /* IV for CBC mode or CTR IV for CTR mode */
- + u32 icv_rev_aes; /* icv or rev aes */
- + u32 src_buf;
- + u32 dst_buf;
- + u16 auth_offs; /* Authentication start offset */
- + u16 auth_len; /* Authentication data length */
- + u16 crypt_offs; /* Cryption start offset */
- + u16 crypt_len; /* Cryption data length */
- + u32 aadAddr; /* Additional Auth Data Addr for CCM mode */
- + u32 crypto_ctx; /* NPE Crypto Param structure address */
- +
- + /* Used by Host: 4*4 bytes*/
- + unsigned ctl_flags;
- + union {
- + struct ablkcipher_request *ablk_req;
- + struct aead_request *aead_req;
- + struct crypto_tfm *tfm;
- + } data;
- + struct buffer_desc *regist_buf;
- + u8 *regist_ptr;
- +};
- +
- +struct ablk_ctx {
- + struct buffer_desc *src;
- + struct buffer_desc *dst;
- + unsigned src_nents;
- + unsigned dst_nents;
- +};
- +
- +struct aead_ctx {
- + struct buffer_desc *buffer;
- + unsigned short assoc_nents;
- + unsigned short src_nents;
- + struct scatterlist ivlist;
- + /* used when the hmac is not on one sg entry */
- + u8 *hmac_virt;
- + int encrypt;
- +};
- +
- +struct ix_hash_algo {
- + u32 cfgword;
- + unsigned char *icv;
- +};
- +
- +struct ix_sa_dir {
- + unsigned char *npe_ctx;
- + dma_addr_t npe_ctx_phys;
- + int npe_ctx_idx;
- + u8 npe_mode;
- +};
- +
- +struct ixp_ctx {
- + struct ix_sa_dir encrypt;
- + struct ix_sa_dir decrypt;
- + int authkey_len;
- + u8 authkey[MAX_KEYLEN];
- + int enckey_len;
- + u8 enckey[MAX_KEYLEN];
- + u8 salt[MAX_IVLEN];
- + u8 nonce[CTR_RFC3686_NONCE_SIZE];
- + unsigned salted;
- + atomic_t configuring;
- + struct completion completion;
- +};
- +
- +struct ixp_alg {
- + struct crypto_alg crypto;
- + const struct ix_hash_algo *hash;
- + u32 cfg_enc;
- + u32 cfg_dec;
- +
- + int registered;
- +};
- +
- +static const struct ix_hash_algo hash_alg_md5 = {
- + .cfgword = 0xAA010004,
- + .icv = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
- + "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
- +};
- +static const struct ix_hash_algo hash_alg_sha1 = {
- + .cfgword = 0x00000005,
- + .icv = "\x67\x45\x23\x01\xEF\xCD\xAB\x89\x98\xBA"
- + "\xDC\xFE\x10\x32\x54\x76\xC3\xD2\xE1\xF0",
- +};
- +
- +static struct npe *npe_c;
- +static struct dma_pool *buffer_pool = NULL;
- +static struct dma_pool *ctx_pool = NULL;
- +
- +static struct crypt_ctl *crypt_virt = NULL;
- +static dma_addr_t crypt_phys;
- +
- +static int support_aes = 1;
- +
- +static void dev_release(struct device *dev)
- +{
- + return;
- +}
- +
- +#define DRIVER_NAME "ixp4xx_crypto"
- +static struct platform_device pseudo_dev = {
- + .name = DRIVER_NAME,
- + .id = 0,
- + .num_resources = 0,
- + .dev = {
- + .coherent_dma_mask = DMA_32BIT_MASK,
- + .release = dev_release,
- + }
- +};
- +
- +static struct device *dev = &pseudo_dev.dev;
- +
- +static inline dma_addr_t crypt_virt2phys(struct crypt_ctl *virt)
- +{
- + return crypt_phys + (virt - crypt_virt) * sizeof(struct crypt_ctl);
- +}
- +
- +static inline struct crypt_ctl *crypt_phys2virt(dma_addr_t phys)
- +{
- + return crypt_virt + (phys - crypt_phys) / sizeof(struct crypt_ctl);
- +}
- +
- +static inline u32 cipher_cfg_enc(struct crypto_tfm *tfm)
- +{
- + return container_of(tfm->__crt_alg, struct ixp_alg,crypto)->cfg_enc;
- +}
- +
- +static inline u32 cipher_cfg_dec(struct crypto_tfm *tfm)
- +{
- + return container_of(tfm->__crt_alg, struct ixp_alg,crypto)->cfg_dec;
- +}
- +
- +static inline const struct ix_hash_algo *ix_hash(struct crypto_tfm *tfm)
- +{
- + return container_of(tfm->__crt_alg, struct ixp_alg, crypto)->hash;
- +}
- +
- +static int setup_crypt_desc(void)
- +{
- + BUILD_BUG_ON(sizeof(struct crypt_ctl) != 64);
- + crypt_virt = dma_alloc_coherent(dev,
- + NPE_QLEN * sizeof(struct crypt_ctl),
- + &crypt_phys, GFP_KERNEL);
- + if (!crypt_virt)
- + return -ENOMEM;
- + memset(crypt_virt, 0, NPE_QLEN * sizeof(struct crypt_ctl));
- + return 0;
- +}
- +
- +static spinlock_t desc_lock;
- +static struct crypt_ctl *get_crypt_desc(void)
- +{
- + int i;
- + static int idx = 0;
- + unsigned long flags;
- +
- + spin_lock_irqsave(&desc_lock, flags);
- +
- + if (unlikely(!crypt_virt))
- + setup_crypt_desc();
- + if (unlikely(!crypt_virt)) {
- + spin_unlock_irqrestore(&desc_lock, flags);
- + return NULL;
- + }
- + i = idx;
- + if (crypt_virt[i].ctl_flags == CTL_FLAG_UNUSED) {
- + if (++idx >= NPE_QLEN)
- + idx = 0;
- + crypt_virt[i].ctl_flags = CTL_FLAG_USED;
- + spin_unlock_irqrestore(&desc_lock, flags);
- + return crypt_virt +i;
- + } else {
- + spin_unlock_irqrestore(&desc_lock, flags);
- + return NULL;
- + }
- +}
- +
- +static spinlock_t emerg_lock;
- +static struct crypt_ctl *get_crypt_desc_emerg(void)
- +{
- + int i;
- + static int idx = NPE_QLEN;
- + struct crypt_ctl *desc;
- + unsigned long flags;
- +
- + desc = get_crypt_desc();
- + if (desc)
- + return desc;
- + if (unlikely(!crypt_virt))
- + return NULL;
- +
- + spin_lock_irqsave(&emerg_lock, flags);
- + i = idx;
- + if (crypt_virt[i].ctl_flags == CTL_FLAG_UNUSED) {
- + if (++idx >= NPE_QLEN_TOTAL)
- + idx = NPE_QLEN;
- + crypt_virt[i].ctl_flags = CTL_FLAG_USED;
- + spin_unlock_irqrestore(&emerg_lock, flags);
- + return crypt_virt +i;
- + } else {
- + spin_unlock_irqrestore(&emerg_lock, flags);
- + return NULL;
- + }
- +}
- +
- +static void free_buf_chain(struct buffer_desc *buf, u32 phys)
- +{
- + while (buf) {
- + struct buffer_desc *buf1;
- + u32 phys1;
- +
- + buf1 = buf->next;
- + phys1 = buf->phys_next;
- + dma_pool_free(buffer_pool, buf, phys);
- + buf = buf1;
- + phys = phys1;
- + }
- +}
- +
- +static struct tasklet_struct crypto_done_tasklet;
- +
- +static void finish_scattered_hmac(struct crypt_ctl *crypt)
- +{
- + struct aead_request *req = crypt->data.aead_req;
- + struct aead_ctx *req_ctx = aead_request_ctx(req);
- + struct crypto_aead *tfm = crypto_aead_reqtfm(req);
- + int authsize = crypto_aead_authsize(tfm);
- + int decryptlen = req->cryptlen - authsize;
- +
- + if (req_ctx->encrypt) {
- + scatterwalk_map_and_copy(req_ctx->hmac_virt,
- + req->src, decryptlen, authsize, 1);
- + }
- + dma_pool_free(buffer_pool, req_ctx->hmac_virt, crypt->icv_rev_aes);
- +}
- +
- +static void one_packet(dma_addr_t phys)
- +{
- + struct crypt_ctl *crypt;
- + struct ixp_ctx *ctx;
- + int failed;
- + enum dma_data_direction src_direction = DMA_BIDIRECTIONAL;
- +
- + failed = phys & 0x1 ? -EBADMSG : 0;
- + phys &= ~0x3;
- + crypt = crypt_phys2virt(phys);
- +
- + switch (crypt->ctl_flags & CTL_FLAG_MASK) {
- + case CTL_FLAG_PERFORM_AEAD: {
- + struct aead_request *req = crypt->data.aead_req;
- + struct aead_ctx *req_ctx = aead_request_ctx(req);
- + dma_unmap_sg(dev, req->assoc, req_ctx->assoc_nents,
- + DMA_TO_DEVICE);
- + dma_unmap_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
- + dma_unmap_sg(dev, req->src, req_ctx->src_nents,
- + DMA_BIDIRECTIONAL);
- +
- + free_buf_chain(req_ctx->buffer, crypt->src_buf);
- + if (req_ctx->hmac_virt) {
- + finish_scattered_hmac(crypt);
- + }
- + req->base.complete(&req->base, failed);
- + break;
- + }
- + case CTL_FLAG_PERFORM_ABLK: {
- + struct ablkcipher_request *req = crypt->data.ablk_req;
- + struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);
- + int nents;
- + if (req_ctx->dst) {
- + nents = req_ctx->dst_nents;
- + dma_unmap_sg(dev, req->dst, nents, DMA_FROM_DEVICE);
- + free_buf_chain(req_ctx->dst, crypt->dst_buf);
- + src_direction = DMA_TO_DEVICE;
- + }
- + nents = req_ctx->src_nents;
- + dma_unmap_sg(dev, req->src, nents, src_direction);
- + free_buf_chain(req_ctx->src, crypt->src_buf);
- + req->base.complete(&req->base, failed);
- + break;
- + }
- + case CTL_FLAG_GEN_ICV:
- + ctx = crypto_tfm_ctx(crypt->data.tfm);
- + dma_pool_free(ctx_pool, crypt->regist_ptr,
- + crypt->regist_buf->phys_addr);
- + dma_pool_free(buffer_pool, crypt->regist_buf, crypt->src_buf);
- + if (atomic_dec_and_test(&ctx->configuring))
- + complete(&ctx->completion);
- + break;
- + case CTL_FLAG_GEN_REVAES:
- + ctx = crypto_tfm_ctx(crypt->data.tfm);
- + *(u32*)ctx->decrypt.npe_ctx &= cpu_to_be32(~CIPH_ENCR);
- + if (atomic_dec_and_test(&ctx->configuring))
- + complete(&ctx->completion);
- + break;
- + default:
- + BUG();
- + }
- + crypt->ctl_flags = CTL_FLAG_UNUSED;
- +}
- +
- +static void irqhandler(void *_unused)
- +{
- + tasklet_schedule(&crypto_done_tasklet);
- +}
- +
- +static void crypto_done_action(unsigned long arg)
- +{
- + int i;
- +
- + for(i=0; i<4; i++) {
- + dma_addr_t phys = qmgr_get_entry(RECV_QID);
- + if (!phys)
- + return;
- + one_packet(phys);
- + }
- + tasklet_schedule(&crypto_done_tasklet);
- +}
- +
- +static int init_ixp_crypto(void)
- +{
- + int ret = -ENODEV;
- +
- + if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
- + IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
- + printk(KERN_ERR "ixp_crypto: No HW crypto available\n");
- + return ret;
- + }
- + npe_c = npe_request(NPE_ID);
- + if (!npe_c)
- + return ret;
- +
- + if (!npe_running(npe_c)) {
- + npe_load_firmware(npe_c, npe_name(npe_c), dev);
- + }
- +
- + /* buffer_pool will also be used to sometimes store the hmac,
- + * so assure it is large enough
- + */
- + BUILD_BUG_ON(SHA1_DIGEST_SIZE > sizeof(struct buffer_desc));
- + buffer_pool = dma_pool_create("buffer", dev,
- + sizeof(struct buffer_desc), 32, 0);
- + ret = -ENOMEM;
- + if (!buffer_pool) {
- + goto err;
- + }
- + ctx_pool = dma_pool_create("context", dev,
- + NPE_CTX_LEN, 16, 0);
- + if (!ctx_pool) {
- + goto err;
- + }
- + ret = qmgr_request_queue(SEND_QID, NPE_QLEN_TOTAL, 0, 0);
- + if (ret)
- + goto err;
- + ret = qmgr_request_queue(RECV_QID, NPE_QLEN, 0, 0);
- + if (ret) {
- + qmgr_release_queue(SEND_QID);
- + goto err;
- + }
- + qmgr_set_irq(RECV_QID, QUEUE_IRQ_SRC_NOT_EMPTY, irqhandler, NULL);
- + tasklet_init(&crypto_done_tasklet, crypto_done_action, 0);
- +
- + qmgr_enable_irq(RECV_QID);
- + return 0;
- +err:
- + if (ctx_pool)
- + dma_pool_destroy(ctx_pool);
- + if (buffer_pool)
- + dma_pool_destroy(buffer_pool);
- + npe_release(npe_c);
- + return ret;
- +}
- +
- +static void release_ixp_crypto(void)
- +{
- + qmgr_disable_irq(RECV_QID);
- + tasklet_kill(&crypto_done_tasklet);
- +
- + qmgr_release_queue(SEND_QID);
- + qmgr_release_queue(RECV_QID);
- +
- + dma_pool_destroy(ctx_pool);
- + dma_pool_destroy(buffer_pool);
- +
- + npe_release(npe_c);
- +
- + if (crypt_virt) {
- + dma_free_coherent(dev,
- + NPE_QLEN_TOTAL * sizeof( struct crypt_ctl),
- + crypt_virt, crypt_phys);
- + }
- + return;
- +}
- +
- +static void reset_sa_dir(struct ix_sa_dir *dir)
- +{
- + memset(dir->npe_ctx, 0, NPE_CTX_LEN);
- + dir->npe_ctx_idx = 0;
- + dir->npe_mode = 0;
- +}
- +
- +static int init_sa_dir(struct ix_sa_dir *dir)
- +{
- + dir->npe_ctx = dma_pool_alloc(ctx_pool, GFP_KERNEL, &dir->npe_ctx_phys);
- + if (!dir->npe_ctx) {
- + return -ENOMEM;
- + }
- + reset_sa_dir(dir);
- + return 0;
- +}
- +
- +static void free_sa_dir(struct ix_sa_dir *dir)
- +{
- + memset(dir->npe_ctx, 0, NPE_CTX_LEN);
- + dma_pool_free(ctx_pool, dir->npe_ctx, dir->npe_ctx_phys);
- +}
- +
- +static int init_tfm(struct crypto_tfm *tfm)
- +{
- + struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
- + int ret;
- +
- + atomic_set(&ctx->configuring, 0);
- + ret = init_sa_dir(&ctx->encrypt);
- + if (ret)
- + return ret;
- + ret = init_sa_dir(&ctx->decrypt);
- + if (ret) {
- + free_sa_dir(&ctx->encrypt);
- + }
- + return ret;
- +}
- +
- +static int init_tfm_ablk(struct crypto_tfm *tfm)
- +{
- + tfm->crt_ablkcipher.reqsize = sizeof(struct ablk_ctx);
- + return init_tfm(tfm);
- +}
- +
- +static int init_tfm_aead(struct crypto_tfm *tfm)
- +{
- + tfm->crt_aead.reqsize = sizeof(struct aead_ctx);
- + return init_tfm(tfm);
- +}
- +
- +static void exit_tfm(struct crypto_tfm *tfm)
- +{
- + struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
- + free_sa_dir(&ctx->encrypt);
- + free_sa_dir(&ctx->decrypt);
- +}
- +
- +static int register_chain_var(struct crypto_tfm *tfm, u8 xpad, u32 target,
- + int init_len, u32 ctx_addr, const u8 *key, int key_len)
- +{
- + struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
- + struct crypt_ctl *crypt;
- + struct buffer_desc *buf;
- + int i;
- + u8 *pad;
- + u32 pad_phys, buf_phys;
- +
- + BUILD_BUG_ON(NPE_CTX_LEN < HMAC_PAD_BLOCKLEN);
- + pad = dma_pool_alloc(ctx_pool, GFP_KERNEL, &pad_phys);
- + if (!pad)
- + return -ENOMEM;
- + buf = dma_pool_alloc(buffer_pool, GFP_KERNEL, &buf_phys);
- + if (!buf) {
- + dma_pool_free(ctx_pool, pad, pad_phys);
- + return -ENOMEM;
- + }
- + crypt = get_crypt_desc_emerg();
- + if (!crypt) {
- + dma_pool_free(ctx_pool, pad, pad_phys);
- + dma_pool_free(buffer_pool, buf, buf_phys);
- + return -EAGAIN;
- + }
- +
- + memcpy(pad, key, key_len);
- + memset(pad + key_len, 0, HMAC_PAD_BLOCKLEN - key_len);
- + for (i = 0; i < HMAC_PAD_BLOCKLEN; i++) {
- + pad[i] ^= xpad;
- + }
- +
- + crypt->data.tfm = tfm;
- + crypt->regist_ptr = pad;
- + crypt->regist_buf = buf;
- +
- + crypt->auth_offs = 0;
- + crypt->auth_len = HMAC_PAD_BLOCKLEN;
- + crypt->crypto_ctx = ctx_addr;
- + crypt->src_buf = buf_phys;
- + crypt->icv_rev_aes = target;
- + crypt->mode = NPE_OP_HASH_GEN_ICV;
- + crypt->init_len = init_len;
- + crypt->ctl_flags |= CTL_FLAG_GEN_ICV;
- +
- + buf->next = 0;
- + buf->buf_len = HMAC_PAD_BLOCKLEN;
- + buf->pkt_len = 0;
- + buf->phys_addr = pad_phys;
- +
- + atomic_inc(&ctx->configuring);
- + qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
- + BUG_ON(qmgr_stat_overflow(SEND_QID));
- + return 0;
- +}
- +
- +static int setup_auth(struct crypto_tfm *tfm, int encrypt, unsigned authsize,
- + const u8 *key, int key_len, unsigned digest_len)
- +{
- + u32 itarget, otarget, npe_ctx_addr;
- + unsigned char *cinfo;
- + int init_len, ret = 0;
- + u32 cfgword;
- + struct ix_sa_dir *dir;
- + struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
- + const struct ix_hash_algo *algo;
- +
- + dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
- + cinfo = dir->npe_ctx + dir->npe_ctx_idx;
- + algo = ix_hash(tfm);
- +
- + /* write cfg word to cryptinfo */
- + cfgword = algo->cfgword | ( authsize << 6); /* (authsize/4) << 8 */
- + *(u32*)cinfo = cpu_to_be32(cfgword);
- + cinfo += sizeof(cfgword);
- +
- + /* write ICV to cryptinfo */
- + memcpy(cinfo, algo->icv, digest_len);
- + cinfo += digest_len;
- +
- + itarget = dir->npe_ctx_phys + dir->npe_ctx_idx
- + + sizeof(algo->cfgword);
- + otarget = itarget + digest_len;
- + init_len = cinfo - (dir->npe_ctx + dir->npe_ctx_idx);
- + npe_ctx_addr = dir->npe_ctx_phys + dir->npe_ctx_idx;
- +
- + dir->npe_ctx_idx += init_len;
- + dir->npe_mode |= NPE_OP_HASH_ENABLE;
- +
- + if (!encrypt)
- + dir->npe_mode |= NPE_OP_HASH_VERIFY;
- +
- + ret = register_chain_var(tfm, HMAC_OPAD_VALUE, otarget,
- + init_len, npe_ctx_addr, key, key_len);
- + if (ret)
- + return ret;
- + return register_chain_var(tfm, HMAC_IPAD_VALUE, itarget,
- + init_len, npe_ctx_addr, key, key_len);
- +}
- +
- +static int gen_rev_aes_key(struct crypto_tfm *tfm)
- +{
- + struct crypt_ctl *crypt;
- + struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
- + struct ix_sa_dir *dir = &ctx->decrypt;
- +
- + crypt = get_crypt_desc_emerg();
- + if (!crypt) {
- + return -EAGAIN;
- + }
- + *(u32*)dir->npe_ctx |= cpu_to_be32(CIPH_ENCR);
- +
- + crypt->data.tfm = tfm;
- + crypt->crypt_offs = 0;
- + crypt->crypt_len = AES_BLOCK128;
- + crypt->src_buf = 0;
- + crypt->crypto_ctx = dir->npe_ctx_phys;
- + crypt->icv_rev_aes = dir->npe_ctx_phys + sizeof(u32);
- + crypt->mode = NPE_OP_ENC_GEN_KEY;
- + crypt->init_len = dir->npe_ctx_idx;
- + crypt->ctl_flags |= CTL_FLAG_GEN_REVAES;
- +
- + atomic_inc(&ctx->configuring);
- + qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
- + BUG_ON(qmgr_stat_overflow(SEND_QID));
- + return 0;
- +}
- +
- +static int setup_cipher(struct crypto_tfm *tfm, int encrypt,
- + const u8 *key, int key_len)
- +{
- + u8 *cinfo;
- + u32 cipher_cfg;
- + u32 keylen_cfg = 0;
- + struct ix_sa_dir *dir;
- + struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
- + u32 *flags = &tfm->crt_flags;
- +
- + dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
- + cinfo = dir->npe_ctx;
- +
- + if (encrypt) {
- + cipher_cfg = cipher_cfg_enc(tfm);
- + dir->npe_mode |= NPE_OP_CRYPT_ENCRYPT;
- + } else {
- + cipher_cfg = cipher_cfg_dec(tfm);
- + }
- + if (cipher_cfg & MOD_AES) {
- + switch (key_len) {
- + case 16: keylen_cfg = MOD_AES128 | KEYLEN_128; break;
- + case 24: keylen_cfg = MOD_AES192 | KEYLEN_192; break;
- + case 32: keylen_cfg = MOD_AES256 | KEYLEN_256; break;
- + default:
- + *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
- + return -EINVAL;
- + }
- + cipher_cfg |= keylen_cfg;
- + } else if (cipher_cfg & MOD_3DES) {
- + const u32 *K = (const u32 *)key;
- + if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) ||
- + !((K[2] ^ K[4]) | (K[3] ^ K[5]))))
- + {
- + *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
- + return -EINVAL;
- + }
- + } else {
- + u32 tmp[DES_EXPKEY_WORDS];
- + if (des_ekey(tmp, key) == 0) {
- + *flags |= CRYPTO_TFM_RES_WEAK_KEY;
- + }
- + }
- + /* write cfg word to cryptinfo */
- + *(u32*)cinfo = cpu_to_be32(cipher_cfg);
- + cinfo += sizeof(cipher_cfg);
- +
- + /* write cipher key to cryptinfo */
- + memcpy(cinfo, key, key_len);
- + /* NPE wants keylen set to DES3_EDE_KEY_SIZE even for single DES */
- + if (key_len < DES3_EDE_KEY_SIZE && !(cipher_cfg & MOD_AES)) {
- + memset(cinfo + key_len, 0, DES3_EDE_KEY_SIZE -key_len);
- + key_len = DES3_EDE_KEY_SIZE;
- + }
- + dir->npe_ctx_idx = sizeof(cipher_cfg) + key_len;
- + dir->npe_mode |= NPE_OP_CRYPT_ENABLE;
- + if ((cipher_cfg & MOD_AES) && !encrypt) {
- + return gen_rev_aes_key(tfm);
- + }
- + return 0;
- +}
- +
- +static int count_sg(struct scatterlist *sg, int nbytes)
- +{
- + int i;
- + for (i = 0; nbytes > 0; i++, sg = sg_next(sg))
- + nbytes -= sg->length;
- + return i;
- +}
- +
- +static struct buffer_desc *chainup_buffers(struct scatterlist *sg,
- + unsigned nbytes, struct buffer_desc *buf, gfp_t flags)
- +{
- + int nents = 0;
- +
- + while (nbytes > 0) {
- + struct buffer_desc *next_buf;
- + u32 next_buf_phys;
- + unsigned len = min(nbytes, sg_dma_len(sg));
- +
- + nents++;
- + nbytes -= len;
- + if (!buf->phys_addr) {
- + buf->phys_addr = sg_dma_address(sg);
- + buf->buf_len = len;
- + buf->next = NULL;
- + buf->phys_next = 0;
- + goto next;
- + }
- + /* Two consecutive chunks on one page may be handled by the old
- + * buffer descriptor, increased by the length of the new one
- + */
- + if (sg_dma_address(sg) == buf->phys_addr + buf->buf_len) {
- + buf->buf_len += len;
- + goto next;
- + }
- + next_buf = dma_pool_alloc(buffer_pool, flags, &next_buf_phys);
- + if (!next_buf)
- + return NULL;
- + buf->next = next_buf;
- + buf->phys_next = next_buf_phys;
- +
- + buf = next_buf;
- + buf->next = NULL;
- + buf->phys_next = 0;
- + buf->phys_addr = sg_dma_address(sg);
- + buf->buf_len = len;
- +next:
- + if (nbytes > 0) {
- + sg = sg_next(sg);
- + }
- + }
- + return buf;
- +}
- +
- +static int ablk_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
- + unsigned int key_len)
- +{
- + struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- + u32 *flags = &tfm->base.crt_flags;
- + int ret;
- +
- + init_completion(&ctx->completion);
- + atomic_inc(&ctx->configuring);
- +
- + reset_sa_dir(&ctx->encrypt);
- + reset_sa_dir(&ctx->decrypt);
- +
- + ctx->encrypt.npe_mode = NPE_OP_HMAC_DISABLE;
- + ctx->decrypt.npe_mode = NPE_OP_HMAC_DISABLE;
- +
- + ret = setup_cipher(&tfm->base, 0, key, key_len);
- + if (ret)
- + goto out;
- + ret = setup_cipher(&tfm->base, 1, key, key_len);
- + if (ret)
- + goto out;
- +
- + if (*flags & CRYPTO_TFM_RES_WEAK_KEY) {
- + if (*flags & CRYPTO_TFM_REQ_WEAK_KEY) {
- + ret = -EINVAL;
- + } else {
- + *flags &= ~CRYPTO_TFM_RES_WEAK_KEY;
- + }
- + }
- +out:
- + if (!atomic_dec_and_test(&ctx->configuring))
- + wait_for_completion(&ctx->completion);
- + return ret;
- +}
- +
- +static int ablk_rfc3686_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
- + unsigned int key_len)
- +{
- + struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- +
- + /* the nonce is stored in bytes at end of key */
- + if (key_len < CTR_RFC3686_NONCE_SIZE)
- + return -EINVAL;
- +
- + memcpy(ctx->nonce, key + (key_len - CTR_RFC3686_NONCE_SIZE),
- + CTR_RFC3686_NONCE_SIZE);
- +
- + key_len -= CTR_RFC3686_NONCE_SIZE;
- + return ablk_setkey(tfm, key, key_len);
- +}
- +
- +static int ablk_perform(struct ablkcipher_request *req, int encrypt)
- +{
- + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- + struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- + unsigned ivsize = crypto_ablkcipher_ivsize(tfm);
- + int ret = -ENOMEM;
- + struct ix_sa_dir *dir;
- + struct crypt_ctl *crypt;
- + unsigned int nbytes = req->nbytes, nents;
- + enum dma_data_direction src_direction = DMA_BIDIRECTIONAL;
- + struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);
- + gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
- + GFP_KERNEL : GFP_ATOMIC;
- +
- + if (qmgr_stat_full(SEND_QID))
- + return -EAGAIN;
- + if (atomic_read(&ctx->configuring))
- + return -EAGAIN;
- +
- + dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
- +
- + crypt = get_crypt_desc();
- + if (!crypt)
- + return ret;
- +
- + crypt->data.ablk_req = req;
- + crypt->crypto_ctx = dir->npe_ctx_phys;
- + crypt->mode = dir->npe_mode;
- + crypt->init_len = dir->npe_ctx_idx;
- +
- + crypt->crypt_offs = 0;
- + crypt->crypt_len = nbytes;
- +
- + BUG_ON(ivsize && !req->info);
- + memcpy(crypt->iv, req->info, ivsize);
- + if (req->src != req->dst) {
- + crypt->mode |= NPE_OP_NOT_IN_PLACE;
- + nents = count_sg(req->dst, nbytes);
- + /* This was never tested by Intel
- + * for more than one dst buffer, I think. */
- + BUG_ON(nents != 1);
- + req_ctx->dst_nents = nents;
- + dma_map_sg(dev, req->dst, nents, DMA_FROM_DEVICE);
- + req_ctx->dst = dma_pool_alloc(buffer_pool, flags,&crypt->dst_buf);
- + if (!req_ctx->dst)
- + goto unmap_sg_dest;
- + req_ctx->dst->phys_addr = 0;
- + if (!chainup_buffers(req->dst, nbytes, req_ctx->dst, flags))
- + goto free_buf_dest;
- + src_direction = DMA_TO_DEVICE;
- + } else {
- + req_ctx->dst = NULL;
- + req_ctx->dst_nents = 0;
- + }
- + nents = count_sg(req->src, nbytes);
- + req_ctx->src_nents = nents;
- + dma_map_sg(dev, req->src, nents, src_direction);
- +
- + req_ctx->src = dma_pool_alloc(buffer_pool, flags, &crypt->src_buf);
- + if (!req_ctx->src)
- + goto unmap_sg_src;
- + req_ctx->src->phys_addr = 0;
- + if (!chainup_buffers(req->src, nbytes, req_ctx->src, flags))
- + goto free_buf_src;
- +
- + crypt->ctl_flags |= CTL_FLAG_PERFORM_ABLK;
- + qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
- + BUG_ON(qmgr_stat_overflow(SEND_QID));
- + return -EINPROGRESS;
- +
- +free_buf_src:
- + free_buf_chain(req_ctx->src, crypt->src_buf);
- +unmap_sg_src:
- + dma_unmap_sg(dev, req->src, req_ctx->src_nents, src_direction);
- +free_buf_dest:
- + if (req->src != req->dst) {
- + free_buf_chain(req_ctx->dst, crypt->dst_buf);
- +unmap_sg_dest:
- + dma_unmap_sg(dev, req->src, req_ctx->dst_nents,
- + DMA_FROM_DEVICE);
- + }
- + crypt->ctl_flags = CTL_FLAG_UNUSED;
- + return ret;
- +}
- +
- +static int ablk_encrypt(struct ablkcipher_request *req)
- +{
- + return ablk_perform(req, 1);
- +}
- +
- +static int ablk_decrypt(struct ablkcipher_request *req)
- +{
- + return ablk_perform(req, 0);
- +}
- +
- +static int ablk_rfc3686_crypt(struct ablkcipher_request *req)
- +{
- + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- + struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- + u8 iv[CTR_RFC3686_BLOCK_SIZE];
- + u8 *info = req->info;
- + int ret;
- +
- + /* set up counter block */
- + memcpy(iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE);
- + memcpy(iv + CTR_RFC3686_NONCE_SIZE, info, CTR_RFC3686_IV_SIZE);
- +
- + /* initialize counter portion of counter block */
- + *(__be32 *)(iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) =
- + cpu_to_be32(1);
- +
- + req->info = iv;
- + ret = ablk_perform(req, 1);
- + req->info = info;
- + return ret;
- +}
- +
- +static int hmac_inconsistent(struct scatterlist *sg, unsigned start,
- + unsigned int nbytes)
- +{
- + int offset = 0;
- +
- + if (!nbytes)
- + return 0;
- +
- + for (;;) {
- + if (start < offset + sg->length)
- + break;
- +
- + offset += sg->length;
- + sg = sg_next(sg);
- + }
- + return (start + nbytes > offset + sg->length);
- +}
- +
- +static int aead_perform(struct aead_request *req, int encrypt,
- + int cryptoffset, int eff_cryptlen, u8 *iv)
- +{
- + struct crypto_aead *tfm = crypto_aead_reqtfm(req);
- + struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
- + unsigned ivsize = crypto_aead_ivsize(tfm);
- + unsigned authsize = crypto_aead_authsize(tfm);
- + int ret = -ENOMEM;
- + struct ix_sa_dir *dir;
- + struct crypt_ctl *crypt;
- + unsigned int cryptlen, nents;
- + struct buffer_desc *buf;
- + struct aead_ctx *req_ctx = aead_request_ctx(req);
- + gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
- + GFP_KERNEL : GFP_ATOMIC;
- +
- + if (qmgr_stat_full(SEND_QID))
- + return -EAGAIN;
- + if (atomic_read(&ctx->configuring))
- + return -EAGAIN;
- +
- + if (encrypt) {
- + dir = &ctx->encrypt;
- + cryptlen = req->cryptlen;
- + } else {
- + dir = &ctx->decrypt;
- + /* req->cryptlen includes the authsize when decrypting */
- + cryptlen = req->cryptlen -authsize;
- + eff_cryptlen -= authsize;
- + }
- + crypt = get_crypt_desc();
- + if (!crypt)
- + return ret;
- +
- + crypt->data.aead_req = req;
- + crypt->crypto_ctx = dir->npe_ctx_phys;
- + crypt->mode = dir->npe_mode;
- + crypt->init_len = dir->npe_ctx_idx;
- +
- + crypt->crypt_offs = cryptoffset;
- + crypt->crypt_len = eff_cryptlen;
- +
- + crypt->auth_offs = 0;
- + crypt->auth_len = req->assoclen + ivsize + cryptlen;
- + BUG_ON(ivsize && !req->iv);
- + memcpy(crypt->iv, req->iv, ivsize);
- +
- + if (req->src != req->dst) {
- + BUG(); /* -ENOTSUP because of my lazyness */
- + }
- +
- + req_ctx->buffer = dma_pool_alloc(buffer_pool, flags, &crypt->src_buf);
- + if (!req_ctx->buffer)
- + goto out;
- + req_ctx->buffer->phys_addr = 0;
- + /* ASSOC data */
- + nents = count_sg(req->assoc, req->assoclen);
- + req_ctx->assoc_nents = nents;
- + dma_map_sg(dev, req->assoc, nents, DMA_TO_DEVICE);
- + buf = chainup_buffers(req->assoc, req->assoclen, req_ctx->buffer,flags);
- + if (!buf)
- + goto unmap_sg_assoc;
- + /* IV */
- + sg_init_table(&req_ctx->ivlist, 1);
- + sg_set_buf(&req_ctx->ivlist, iv, ivsize);
- + dma_map_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
- + buf = chainup_buffers(&req_ctx->ivlist, ivsize, buf, flags);
- + if (!buf)
- + goto unmap_sg_iv;
- + if (unlikely(hmac_inconsistent(req->src, cryptlen, authsize))) {
- + /* The 12 hmac bytes are scattered,
- + * we need to copy them into a safe buffer */
- + req_ctx->hmac_virt = dma_pool_alloc(buffer_pool, flags,
- + &crypt->icv_rev_aes);
- + if (unlikely(!req_ctx->hmac_virt))
- + goto unmap_sg_iv;
- + if (!encrypt) {
- + scatterwalk_map_and_copy(req_ctx->hmac_virt,
- + req->src, cryptlen, authsize, 0);
- + }
- + req_ctx->encrypt = encrypt;
- + } else {
- + req_ctx->hmac_virt = NULL;
- + }
- + /* Crypt */
- + nents = count_sg(req->src, cryptlen + authsize);
- + req_ctx->src_nents = nents;
- + dma_map_sg(dev, req->src, nents, DMA_BIDIRECTIONAL);
- + buf = chainup_buffers(req->src, cryptlen + authsize, buf, flags);
- + if (!buf)
- + goto unmap_sg_src;
- + if (!req_ctx->hmac_virt) {
- + crypt->icv_rev_aes = buf->phys_addr + buf->buf_len - authsize;
- + }
- + crypt->ctl_flags |= CTL_FLAG_PERFORM_AEAD;
- + qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
- + BUG_ON(qmgr_stat_overflow(SEND_QID));
- + return -EINPROGRESS;
- +unmap_sg_src:
- + dma_unmap_sg(dev, req->src, req_ctx->src_nents, DMA_BIDIRECTIONAL);
- + if (req_ctx->hmac_virt) {
- + dma_pool_free(buffer_pool, req_ctx->hmac_virt,
- + crypt->icv_rev_aes);
- + }
- +unmap_sg_iv:
- + dma_unmap_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
- +unmap_sg_assoc:
- + dma_unmap_sg(dev, req->assoc, req_ctx->assoc_nents, DMA_TO_DEVICE);
- + free_buf_chain(req_ctx->buffer, crypt->src_buf);
- +out:
- + crypt->ctl_flags = CTL_FLAG_UNUSED;
- + return ret;
- +}
- +
- +static int aead_setup(struct crypto_aead *tfm, unsigned int authsize)
- +{
- + struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
- + u32 *flags = &tfm->base.crt_flags;
- + unsigned digest_len = crypto_aead_alg(tfm)->maxauthsize;
- + int ret;
- +
- + if (!ctx->enckey_len && !ctx->authkey_len)
- + return 0;
- + init_completion(&ctx->completion);
- + atomic_inc(&ctx->configuring);
- +
- + reset_sa_dir(&ctx->encrypt);
- + reset_sa_dir(&ctx->decrypt);
- +
- + ret = setup_cipher(&tfm->base, 0, ctx->enckey, ctx->enckey_len);
- + if (ret)
- + goto out;
- + ret = setup_cipher(&tfm->base, 1, ctx->enckey, ctx->enckey_len);
- + if (ret)
- + goto out;
- + ret = setup_auth(&tfm->base, 0, authsize, ctx->authkey,
- + ctx->authkey_len, digest_len);
- + if (ret)
- + goto out;
- + ret = setup_auth(&tfm->base, 1, authsize, ctx->authkey,
- + ctx->authkey_len, digest_len);
- + if (ret)
- + goto out;
- +
- + if (*flags & CRYPTO_TFM_RES_WEAK_KEY) {
- + if (*flags & CRYPTO_TFM_REQ_WEAK_KEY) {
- + ret = -EINVAL;
- + goto out;
- + } else {
- + *flags &= ~CRYPTO_TFM_RES_WEAK_KEY;
- + }
- + }
- +out:
- + if (!atomic_dec_and_test(&ctx->configuring))
- + wait_for_completion(&ctx->completion);
- + return ret;
- +}
- +
- +static int aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
- +{
- + int max = crypto_aead_alg(tfm)->maxauthsize >> 2;
- +
- + if ((authsize>>2) < 1 || (authsize>>2) > max || (authsize & 3))
- + return -EINVAL;
- + return aead_setup(tfm, authsize);
- +}
- +
- +static int aead_setkey(struct crypto_aead *tfm, const u8 *key,
- + unsigned int keylen)
- +{
- + struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
- + struct rtattr *rta = (struct rtattr *)key;
- + struct crypto_authenc_key_param *param;
- +
- + if (!RTA_OK(rta, keylen))
- + goto badkey;
- + if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
- + goto badkey;
- + if (RTA_PAYLOAD(rta) < sizeof(*param))
- + goto badkey;
- +
- + param = RTA_DATA(rta);
- + ctx->enckey_len = be32_to_cpu(param->enckeylen);
- +
- + key += RTA_ALIGN(rta->rta_len);
- + keylen -= RTA_ALIGN(rta->rta_len);
- +
- + if (keylen < ctx->enckey_len)
- + goto badkey;
- +
- + ctx->authkey_len = keylen - ctx->enckey_len;
- + memcpy(ctx->enckey, key + ctx->authkey_len, ctx->enckey_len);
- + memcpy(ctx->authkey, key, ctx->authkey_len);
- +
- + return aead_setup(tfm, crypto_aead_authsize(tfm));
- +badkey:
- + ctx->enckey_len = 0;
- + crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
- + return -EINVAL;
- +}
- +
- +static int aead_encrypt(struct aead_request *req)
- +{
- + unsigned ivsize = crypto_aead_ivsize(crypto_aead_reqtfm(req));
- + return aead_perform(req, 1, req->assoclen + ivsize,
- + req->cryptlen, req->iv);
- +}
- +
- +static int aead_decrypt(struct aead_request *req)
- +{
- + unsigned ivsize = crypto_aead_ivsize(crypto_aead_reqtfm(req));
- + return aead_perform(req, 0, req->assoclen + ivsize,
- + req->cryptlen, req->iv);
- +}
- +
- +static int aead_givencrypt(struct aead_givcrypt_request *req)
- +{
- + struct crypto_aead *tfm = aead_givcrypt_reqtfm(req);
- + struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
- + unsigned len, ivsize = crypto_aead_ivsize(tfm);
- + __be64 seq;
- +
- + /* copied from eseqiv.c */
- + if (!ctx->salted) {
- + get_random_bytes(ctx->salt, ivsize);
- + ctx->salted = 1;
- + }
- + memcpy(req->areq.iv, ctx->salt, ivsize);
- + len = ivsize;
- + if (ivsize > sizeof(u64)) {
- + memset(req->giv, 0, ivsize - sizeof(u64));
- + len = sizeof(u64);
- + }
- + seq = cpu_to_be64(req->seq);
- + memcpy(req->giv + ivsize - len, &seq, len);
- + return aead_perform(&req->areq, 1, req->areq.assoclen,
- + req->areq.cryptlen +ivsize, req->giv);
- +}
- +
- +static struct ixp_alg ixp4xx_algos[] = {
- +{
- + .crypto = {
- + .cra_name = "cbc(des)",
- + .cra_blocksize = DES_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = DES_KEY_SIZE,
- + .max_keysize = DES_KEY_SIZE,
- + .ivsize = DES_BLOCK_SIZE,
- + .geniv = "eseqiv",
- + }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,
- +
- +}, {
- + .crypto = {
- + .cra_name = "ecb(des)",
- + .cra_blocksize = DES_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = DES_KEY_SIZE,
- + .max_keysize = DES_KEY_SIZE,
- + }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_DES | MOD_ECB | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_DES | MOD_ECB | KEYLEN_192,
- +}, {
- + .crypto = {
- + .cra_name = "cbc(des3_ede)",
- + .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = DES3_EDE_KEY_SIZE,
- + .max_keysize = DES3_EDE_KEY_SIZE,
- + .ivsize = DES3_EDE_BLOCK_SIZE,
- + .geniv = "eseqiv",
- + }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
- +}, {
- + .crypto = {
- + .cra_name = "ecb(des3_ede)",
- + .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = DES3_EDE_KEY_SIZE,
- + .max_keysize = DES3_EDE_KEY_SIZE,
- + }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_ECB | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_3DES | MOD_ECB | KEYLEN_192,
- +}, {
- + .crypto = {
- + .cra_name = "cbc(aes)",
- + .cra_blocksize = AES_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = AES_MIN_KEY_SIZE,
- + .max_keysize = AES_MAX_KEY_SIZE,
- + .ivsize = AES_BLOCK_SIZE,
- + .geniv = "eseqiv",
- + }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CBC_ENC,
- + .cfg_dec = CIPH_DECR | MOD_AES | MOD_CBC_DEC,
- +}, {
- + .crypto = {
- + .cra_name = "ecb(aes)",
- + .cra_blocksize = AES_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = AES_MIN_KEY_SIZE,
- + .max_keysize = AES_MAX_KEY_SIZE,
- + }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_AES | MOD_ECB,
- + .cfg_dec = CIPH_DECR | MOD_AES | MOD_ECB,
- +}, {
- + .crypto = {
- + .cra_name = "ctr(aes)",
- + .cra_blocksize = AES_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = AES_MIN_KEY_SIZE,
- + .max_keysize = AES_MAX_KEY_SIZE,
- + .ivsize = AES_BLOCK_SIZE,
- + .geniv = "eseqiv",
- + }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CTR,
- + .cfg_dec = CIPH_ENCR | MOD_AES | MOD_CTR,
- +}, {
- + .crypto = {
- + .cra_name = "rfc3686(ctr(aes))",
- + .cra_blocksize = AES_BLOCK_SIZE,
- + .cra_u = { .ablkcipher = {
- + .min_keysize = AES_MIN_KEY_SIZE,
- + .max_keysize = AES_MAX_KEY_SIZE,
- + .ivsize = AES_BLOCK_SIZE,
- + .geniv = "eseqiv",
- + .setkey = ablk_rfc3686_setkey,
- + .encrypt = ablk_rfc3686_crypt,
- + .decrypt = ablk_rfc3686_crypt }
- + }
- + },
- + .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CTR,
- + .cfg_dec = CIPH_ENCR | MOD_AES | MOD_CTR,
- +}, {
- + .crypto = {
- + .cra_name = "authenc(hmac(md5),cbc(des))",
- + .cra_blocksize = DES_BLOCK_SIZE,
- + .cra_u = { .aead = {
- + .ivsize = DES_BLOCK_SIZE,
- + .maxauthsize = MD5_DIGEST_SIZE,
- + }
- + }
- + },
- + .hash = &hash_alg_md5,
- + .cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,
- +}, {
- + .crypto = {
- + .cra_name = "authenc(hmac(md5),cbc(des3_ede))",
- + .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- + .cra_u = { .aead = {
- + .ivsize = DES3_EDE_BLOCK_SIZE,
- + .maxauthsize = MD5_DIGEST_SIZE,
- + }
- + }
- + },
- + .hash = &hash_alg_md5,
- + .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
- +}, {
- + .crypto = {
- + .cra_name = "authenc(hmac(sha1),cbc(des))",
- + .cra_blocksize = DES_BLOCK_SIZE,
- + .cra_u = { .aead = {
- + .ivsize = DES_BLOCK_SIZE,
- + .maxauthsize = SHA1_DIGEST_SIZE,
- + }
- + }
- + },
- + .hash = &hash_alg_sha1,
- + .cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,
- +}, {
- + .crypto = {
- + .cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
- + .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- + .cra_u = { .aead = {
- + .ivsize = DES3_EDE_BLOCK_SIZE,
- + .maxauthsize = SHA1_DIGEST_SIZE,
- + }
- + }
- + },
- + .hash = &hash_alg_sha1,
- + .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
- + .cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
- +}, {
- + .crypto = {
- + .cra_name = "authenc(hmac(md5),cbc(aes))",
- + .cra_blocksize = AES_BLOCK_SIZE,
- + .cra_u = { .aead = {
- + .ivsize = AES_BLOCK_SIZE,
- + .maxauthsize = MD5_DIGEST_SIZE,
- + }
- + }
- + },
- + .hash = &hash_alg_md5,
- + .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CBC_ENC,
- + .cfg_dec = CIPH_DECR | MOD_AES | MOD_CBC_DEC,
- +}, {
- + .crypto = {
- + .cra_name = "authenc(hmac(sha1),cbc(aes))",
- + .cra_blocksize = AES_BLOCK_SIZE,
- + .cra_u = { .aead = {
- + .ivsize = AES_BLOCK_SIZE,
- + .maxauthsize = SHA1_DIGEST_SIZE,
- + }
- + }
- + },
- + .hash = &hash_alg_sha1,
- + .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CBC_ENC,
- + .cfg_dec = CIPH_DECR | MOD_AES | MOD_CBC_DEC,
- +} };
- +
- +#define IXP_POSTFIX "-ixp4xx"
- +static int __init ixp_module_init(void)
- +{
- + int num = ARRAY_SIZE(ixp4xx_algos);
- + int i,err ;
- +
- + if (platform_device_register(&pseudo_dev))
- + return -ENODEV;
- +
- + spin_lock_init(&desc_lock);
- + spin_lock_init(&emerg_lock);
- +
- + err = init_ixp_crypto();
- + if (err) {
- + platform_device_unregister(&pseudo_dev);
- + return err;
- + }
- + for (i=0; i< num; i++) {
- + struct crypto_alg *cra = &ixp4xx_algos[i].crypto;
- +
- + if (snprintf(cra->cra_driver_name, CRYPTO_MAX_ALG_NAME,
- + "%s"IXP_POSTFIX, cra->cra_name) >=
- + CRYPTO_MAX_ALG_NAME)
- + {
- + continue;
- + }
- + if (!support_aes && (ixp4xx_algos[i].cfg_enc & MOD_AES)) {
- + continue;
- + }
- + if (!ixp4xx_algos[i].hash) {
- + /* block ciphers */
- + cra->cra_type = &crypto_ablkcipher_type;
- + cra->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- + CRYPTO_ALG_ASYNC;
- + if (!cra->cra_ablkcipher.setkey)
- + cra->cra_ablkcipher.setkey = ablk_setkey;
- + if (!cra->cra_ablkcipher.encrypt)
- + cra->cra_ablkcipher.encrypt = ablk_encrypt;
- + if (!cra->cra_ablkcipher.decrypt)
- + cra->cra_ablkcipher.decrypt = ablk_decrypt;
- + cra->cra_init = init_tfm_ablk;
- + } else {
- + /* authenc */
- + cra->cra_type = &crypto_aead_type;
- + cra->cra_flags = CRYPTO_ALG_TYPE_AEAD |
- + CRYPTO_ALG_ASYNC;
- + cra->cra_aead.setkey = aead_setkey;
- + cra->cra_aead.setauthsize = aead_setauthsize;
- + cra->cra_aead.encrypt = aead_encrypt;
- + cra->cra_aead.decrypt = aead_decrypt;
- + cra->cra_aead.givencrypt = aead_givencrypt;
- + cra->cra_init = init_tfm_aead;
- + }
- + cra->cra_ctxsize = sizeof(struct ixp_ctx);
- + cra->cra_module = THIS_MODULE;
- + cra->cra_alignmask = 3;
- + cra->cra_priority = 300;
- + cra->cra_exit = exit_tfm;
- + if (crypto_register_alg(cra))
- + printk(KERN_ERR "Failed to register '%s'\n",
- + cra->cra_name);
- + else
- + ixp4xx_algos[i].registered = 1;
- + }
- + return 0;
- +}
- +
- +static void __exit ixp_module_exit(void)
- +{
- + int num = ARRAY_SIZE(ixp4xx_algos);
- + int i;
- +
- + for (i=0; i< num; i++) {
- + if (ixp4xx_algos[i].registered)
- + crypto_unregister_alg(&ixp4xx_algos[i].crypto);
- + }
- + release_ixp_crypto();
- + platform_device_unregister(&pseudo_dev);
- +}
- +
- +module_init(ixp_module_init);
- +module_exit(ixp_module_exit);
- +
- +MODULE_LICENSE("GPL");
- +MODULE_AUTHOR("Christian Hohnstaedt <[email protected]>");
- +MODULE_DESCRIPTION("IXP4xx hardware crypto");
- +
- --- a/drivers/crypto/padlock-aes.c
- +++ b/drivers/crypto/padlock-aes.c
- @@ -411,12 +411,12 @@ static int __init padlock_init(void)
- int ret;
-
- if (!cpu_has_xcrypt) {
- - printk(KERN_ERR PFX "VIA PadLock not detected.\n");
- + printk(KERN_NOTICE PFX "VIA PadLock not detected.\n");
- return -ENODEV;
- }
-
- if (!cpu_has_xcrypt_enabled) {
- - printk(KERN_ERR PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
- + printk(KERN_NOTICE PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
- return -ENODEV;
- }
-
- --- a/drivers/crypto/padlock-sha.c
- +++ b/drivers/crypto/padlock-sha.c
- @@ -263,12 +263,12 @@ static int __init padlock_init(void)
- int rc = -ENODEV;
-
- if (!cpu_has_phe) {
- - printk(KERN_ERR PFX "VIA PadLock Hash Engine not detected.\n");
- + printk(KERN_NOTICE PFX "VIA PadLock Hash Engine not detected.\n");
- return -ENODEV;
- }
-
- if (!cpu_has_phe_enabled) {
- - printk(KERN_ERR PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
- + printk(KERN_NOTICE PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
- return -ENODEV;
- }
-
- --- /dev/null
- +++ b/drivers/crypto/talitos.c
- @@ -0,0 +1,1597 @@
- +/*
- + * talitos - Freescale Integrated Security Engine (SEC) device driver
- + *
- + * Copyright (c) 2008 Freescale Semiconductor, Inc.
- + *
- + * Scatterlist Crypto API glue code copied from files with the following:
- + * Copyright (c) 2006-2007 Herbert Xu <[email protected]>
- + *
- + * Crypto algorithm registration code copied from hifn driver:
- + * 2007+ Copyright (c) Evgeniy Polyakov <[email protected]>
- + * All rights reserved.
- + *
- + * This program is free software; you can redistribute it and/or modify
- + * it under the terms of the GNU General Public License as published by
- + * the Free Software Foundation; either version 2 of the License, or
- + * (at your option) any later version.
- + *
- + * This program is distributed in the hope that it will be useful,
- + * but WITHOUT ANY WARRANTY; without even the implied warranty of
- + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- + * GNU General Public License for more details.
- + *
- + * You should have received a copy of the GNU General Public License
- + * along with this program; if not, write to the Free Software
- + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- + */
- +
- +#include <linux/kernel.h>
- +#include <linux/module.h>
- +#include <linux/mod_devicetable.h>
- +#include <linux/device.h>
- +#include <linux/interrupt.h>
- +#include <linux/crypto.h>
- +#include <linux/hw_random.h>
- +#include <linux/of_platform.h>
- +#include <linux/dma-mapping.h>
- +#include <linux/io.h>
- +#include <linux/spinlock.h>
- +#include <linux/rtnetlink.h>
- +
- +#include <crypto/algapi.h>
- +#include <crypto/aes.h>
- +#include <crypto/des.h>
- +#include <crypto/sha.h>
- +#include <crypto/aead.h>
- +#include <crypto/authenc.h>
- +
- +#include "talitos.h"
- +
- +#define TALITOS_TIMEOUT 100000
- +#define TALITOS_MAX_DATA_LEN 65535
- +
- +#define DESC_TYPE(desc_hdr) ((be32_to_cpu(desc_hdr) >> 3) & 0x1f)
- +#define PRIMARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 28) & 0xf)
- +#define SECONDARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 16) & 0xf)
- +
- +/* descriptor pointer entry */
- +struct talitos_ptr {
- + __be16 len; /* length */
- + u8 j_extent; /* jump to sg link table and/or extent */
- + u8 eptr; /* extended address */
- + __be32 ptr; /* address */
- +};
- +
- +/* descriptor */
- +struct talitos_desc {
- + __be32 hdr; /* header high bits */
- + __be32 hdr_lo; /* header low bits */
- + struct talitos_ptr ptr[7]; /* ptr/len pair array */
- +};
- +
- +/**
- + * talitos_request - descriptor submission request
- + * @desc: descriptor pointer (kernel virtual)
- + * @dma_desc: descriptor's physical bus address
- + * @callback: whom to call when descriptor processing is done
- + * @context: caller context (optional)
- + */
- +struct talitos_request {
- + struct talitos_desc *desc;
- + dma_addr_t dma_desc;
- + void (*callback) (struct device *dev, struct talitos_desc *desc,
- + void *context, int error);
- + void *context;
- +};
- +
- +struct talitos_private {
- + struct device *dev;
- + struct of_device *ofdev;
- + void __iomem *reg;
- + int irq;
- +
- + /* SEC version geometry (from device tree node) */
- + unsigned int num_channels;
- + unsigned int chfifo_len;
- + unsigned int exec_units;
- + unsigned int desc_types;
- +
- + /* next channel to be assigned next incoming descriptor */
- + atomic_t last_chan;
- +
- + /* per-channel request fifo */
- + struct talitos_request **fifo;
- +
- + /*
- + * length of the request fifo
- + * fifo_len is chfifo_len rounded up to next power of 2
- + * so we can use bitwise ops to wrap
- + */
- + unsigned int fifo_len;
- +
- + /* per-channel index to next free descriptor request */
- + int *head;
- +
- + /* per-channel index to next in-progress/done descriptor request */
- + int *tail;
- +
- + /* per-channel request submission (head) and release (tail) locks */
- + spinlock_t *head_lock;
- + spinlock_t *tail_lock;
- +
- + /* request callback tasklet */
- + struct tasklet_struct done_task;
- + struct tasklet_struct error_task;
- +
- + /* list of registered algorithms */
- + struct list_head alg_list;
- +
- + /* hwrng device */
- + struct hwrng rng;
- +};
- +
- +/*
- + * map virtual single (contiguous) pointer to h/w descriptor pointer
- + */
- +static void map_single_talitos_ptr(struct device *dev,
- + struct talitos_ptr *talitos_ptr,
- + unsigned short len, void *data,
- + unsigned char extent,
- + enum dma_data_direction dir)
- +{
- + talitos_ptr->len = cpu_to_be16(len);
- + talitos_ptr->ptr = cpu_to_be32(dma_map_single(dev, data, len, dir));
- + talitos_ptr->j_extent = extent;
- +}
- +
- +/*
- + * unmap bus single (contiguous) h/w descriptor pointer
- + */
- +static void unmap_single_talitos_ptr(struct device *dev,
- + struct talitos_ptr *talitos_ptr,
- + enum dma_data_direction dir)
- +{
- + dma_unmap_single(dev, be32_to_cpu(talitos_ptr->ptr),
- + be16_to_cpu(talitos_ptr->len), dir);
- +}
- +
- +static int reset_channel(struct device *dev, int ch)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + unsigned int timeout = TALITOS_TIMEOUT;
- +
- + setbits32(priv->reg + TALITOS_CCCR(ch), TALITOS_CCCR_RESET);
- +
- + while ((in_be32(priv->reg + TALITOS_CCCR(ch)) & TALITOS_CCCR_RESET)
- + && --timeout)
- + cpu_relax();
- +
- + if (timeout == 0) {
- + dev_err(dev, "failed to reset channel %d\n", ch);
- + return -EIO;
- + }
- +
- + /* set done writeback and IRQ */
- + setbits32(priv->reg + TALITOS_CCCR_LO(ch), TALITOS_CCCR_LO_CDWE |
- + TALITOS_CCCR_LO_CDIE);
- +
- + return 0;
- +}
- +
- +static int reset_device(struct device *dev)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + unsigned int timeout = TALITOS_TIMEOUT;
- +
- + setbits32(priv->reg + TALITOS_MCR, TALITOS_MCR_SWR);
- +
- + while ((in_be32(priv->reg + TALITOS_MCR) & TALITOS_MCR_SWR)
- + && --timeout)
- + cpu_relax();
- +
- + if (timeout == 0) {
- + dev_err(dev, "failed to reset device\n");
- + return -EIO;
- + }
- +
- + return 0;
- +}
- +
- +/*
- + * Reset and initialize the device
- + */
- +static int init_device(struct device *dev)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + int ch, err;
- +
- + /*
- + * Master reset
- + * errata documentation: warning: certain SEC interrupts
- + * are not fully cleared by writing the MCR:SWR bit,
- + * set bit twice to completely reset
- + */
- + err = reset_device(dev);
- + if (err)
- + return err;
- +
- + err = reset_device(dev);
- + if (err)
- + return err;
- +
- + /* reset channels */
- + for (ch = 0; ch < priv->num_channels; ch++) {
- + err = reset_channel(dev, ch);
- + if (err)
- + return err;
- + }
- +
- + /* enable channel done and error interrupts */
- + setbits32(priv->reg + TALITOS_IMR, TALITOS_IMR_INIT);
- + setbits32(priv->reg + TALITOS_IMR_LO, TALITOS_IMR_LO_INIT);
- +
- + return 0;
- +}
- +
- +/**
- + * talitos_submit - submits a descriptor to the device for processing
- + * @dev: the SEC device to be used
- + * @desc: the descriptor to be processed by the device
- + * @callback: whom to call when processing is complete
- + * @context: a handle for use by caller (optional)
- + *
- + * desc must contain valid dma-mapped (bus physical) address pointers.
- + * callback must check err and feedback in descriptor header
- + * for device processing status.
- + */
- +static int talitos_submit(struct device *dev, struct talitos_desc *desc,
- + void (*callback)(struct device *dev,
- + struct talitos_desc *desc,
- + void *context, int error),
- + void *context)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + struct talitos_request *request;
- + unsigned long flags, ch;
- + int head;
- +
- + /* select done notification */
- + desc->hdr |= DESC_HDR_DONE_NOTIFY;
- +
- + /* emulate SEC's round-robin channel fifo polling scheme */
- + ch = atomic_inc_return(&priv->last_chan) & (priv->num_channels - 1);
- +
- + spin_lock_irqsave(&priv->head_lock[ch], flags);
- +
- + head = priv->head[ch];
- + request = &priv->fifo[ch][head];
- +
- + if (request->desc) {
- + /* request queue is full */
- + spin_unlock_irqrestore(&priv->head_lock[ch], flags);
- + return -EAGAIN;
- + }
- +
- + /* map descriptor and save caller data */
- + request->dma_desc = dma_map_single(dev, desc, sizeof(*desc),
- + DMA_BIDIRECTIONAL);
- + request->callback = callback;
- + request->context = context;
- +
- + /* increment fifo head */
- + priv->head[ch] = (priv->head[ch] + 1) & (priv->fifo_len - 1);
- +
- + smp_wmb();
- + request->desc = desc;
- +
- + /* GO! */
- + wmb();
- + out_be32(priv->reg + TALITOS_FF_LO(ch), request->dma_desc);
- +
- + spin_unlock_irqrestore(&priv->head_lock[ch], flags);
- +
- + return -EINPROGRESS;
- +}
- +
- +/*
- + * process what was done, notify callback of error if not
- + */
- +static void flush_channel(struct device *dev, int ch, int error, int reset_ch)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + struct talitos_request *request, saved_req;
- + unsigned long flags;
- + int tail, status;
- +
- + spin_lock_irqsave(&priv->tail_lock[ch], flags);
- +
- + tail = priv->tail[ch];
- + while (priv->fifo[ch][tail].desc) {
- + request = &priv->fifo[ch][tail];
- +
- + /* descriptors with their done bits set don't get the error */
- + rmb();
- + if ((request->desc->hdr & DESC_HDR_DONE) == DESC_HDR_DONE)
- + status = 0;
- + else
- + if (!error)
- + break;
- + else
- + status = error;
- +
- + dma_unmap_single(dev, request->dma_desc,
- + sizeof(struct talitos_desc), DMA_BIDIRECTIONAL);
- +
- + /* copy entries so we can call callback outside lock */
- + saved_req.desc = request->desc;
- + saved_req.callback = request->callback;
- + saved_req.context = request->context;
- +
- + /* release request entry in fifo */
- + smp_wmb();
- + request->desc = NULL;
- +
- + /* increment fifo tail */
- + priv->tail[ch] = (tail + 1) & (priv->fifo_len - 1);
- +
- + spin_unlock_irqrestore(&priv->tail_lock[ch], flags);
- + saved_req.callback(dev, saved_req.desc, saved_req.context,
- + status);
- + /* channel may resume processing in single desc error case */
- + if (error && !reset_ch && status == error)
- + return;
- + spin_lock_irqsave(&priv->tail_lock[ch], flags);
- + tail = priv->tail[ch];
- + }
- +
- + spin_unlock_irqrestore(&priv->tail_lock[ch], flags);
- +}
- +
- +/*
- + * process completed requests for channels that have done status
- + */
- +static void talitos_done(unsigned long data)
- +{
- + struct device *dev = (struct device *)data;
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + int ch;
- +
- + for (ch = 0; ch < priv->num_channels; ch++)
- + flush_channel(dev, ch, 0, 0);
- +}
- +
- +/*
- + * locate current (offending) descriptor
- + */
- +static struct talitos_desc *current_desc(struct device *dev, int ch)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + int tail = priv->tail[ch];
- + dma_addr_t cur_desc;
- +
- + cur_desc = in_be32(priv->reg + TALITOS_CDPR_LO(ch));
- +
- + while (priv->fifo[ch][tail].dma_desc != cur_desc) {
- + tail = (tail + 1) & (priv->fifo_len - 1);
- + if (tail == priv->tail[ch]) {
- + dev_err(dev, "couldn't locate current descriptor\n");
- + return NULL;
- + }
- + }
- +
- + return priv->fifo[ch][tail].desc;
- +}
- +
- +/*
- + * user diagnostics; report root cause of error based on execution unit status
- + */
- +static void report_eu_error(struct device *dev, int ch, struct talitos_desc *desc)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + int i;
- +
- + switch (desc->hdr & DESC_HDR_SEL0_MASK) {
- + case DESC_HDR_SEL0_AFEU:
- + dev_err(dev, "AFEUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_AFEUISR),
- + in_be32(priv->reg + TALITOS_AFEUISR_LO));
- + break;
- + case DESC_HDR_SEL0_DEU:
- + dev_err(dev, "DEUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_DEUISR),
- + in_be32(priv->reg + TALITOS_DEUISR_LO));
- + break;
- + case DESC_HDR_SEL0_MDEUA:
- + case DESC_HDR_SEL0_MDEUB:
- + dev_err(dev, "MDEUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_MDEUISR),
- + in_be32(priv->reg + TALITOS_MDEUISR_LO));
- + break;
- + case DESC_HDR_SEL0_RNG:
- + dev_err(dev, "RNGUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_RNGUISR),
- + in_be32(priv->reg + TALITOS_RNGUISR_LO));
- + break;
- + case DESC_HDR_SEL0_PKEU:
- + dev_err(dev, "PKEUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_PKEUISR),
- + in_be32(priv->reg + TALITOS_PKEUISR_LO));
- + break;
- + case DESC_HDR_SEL0_AESU:
- + dev_err(dev, "AESUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_AESUISR),
- + in_be32(priv->reg + TALITOS_AESUISR_LO));
- + break;
- + case DESC_HDR_SEL0_CRCU:
- + dev_err(dev, "CRCUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_CRCUISR),
- + in_be32(priv->reg + TALITOS_CRCUISR_LO));
- + break;
- + case DESC_HDR_SEL0_KEU:
- + dev_err(dev, "KEUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_KEUISR),
- + in_be32(priv->reg + TALITOS_KEUISR_LO));
- + break;
- + }
- +
- + switch (desc->hdr & DESC_HDR_SEL1_MASK) {
- + case DESC_HDR_SEL1_MDEUA:
- + case DESC_HDR_SEL1_MDEUB:
- + dev_err(dev, "MDEUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_MDEUISR),
- + in_be32(priv->reg + TALITOS_MDEUISR_LO));
- + break;
- + case DESC_HDR_SEL1_CRCU:
- + dev_err(dev, "CRCUISR 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_CRCUISR),
- + in_be32(priv->reg + TALITOS_CRCUISR_LO));
- + break;
- + }
- +
- + for (i = 0; i < 8; i++)
- + dev_err(dev, "DESCBUF 0x%08x_%08x\n",
- + in_be32(priv->reg + TALITOS_DESCBUF(ch) + 8*i),
- + in_be32(priv->reg + TALITOS_DESCBUF_LO(ch) + 8*i));
- +}
- +
- +/*
- + * recover from error interrupts
- + */
- +static void talitos_error(unsigned long data)
- +{
- + struct device *dev = (struct device *)data;
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + unsigned int timeout = TALITOS_TIMEOUT;
- + int ch, error, reset_dev = 0, reset_ch = 0;
- + u32 isr, isr_lo, v, v_lo;
- +
- + isr = in_be32(priv->reg + TALITOS_ISR);
- + isr_lo = in_be32(priv->reg + TALITOS_ISR_LO);
- +
- + for (ch = 0; ch < priv->num_channels; ch++) {
- + /* skip channels without errors */
- + if (!(isr & (1 << (ch * 2 + 1))))
- + continue;
- +
- + error = -EINVAL;
- +
- + v = in_be32(priv->reg + TALITOS_CCPSR(ch));
- + v_lo = in_be32(priv->reg + TALITOS_CCPSR_LO(ch));
- +
- + if (v_lo & TALITOS_CCPSR_LO_DOF) {
- + dev_err(dev, "double fetch fifo overflow error\n");
- + error = -EAGAIN;
- + reset_ch = 1;
- + }
- + if (v_lo & TALITOS_CCPSR_LO_SOF) {
- + /* h/w dropped descriptor */
- + dev_err(dev, "single fetch fifo overflow error\n");
- + error = -EAGAIN;
- + }
- + if (v_lo & TALITOS_CCPSR_LO_MDTE)
- + dev_err(dev, "master data transfer error\n");
- + if (v_lo & TALITOS_CCPSR_LO_SGDLZ)
- + dev_err(dev, "s/g data length zero error\n");
- + if (v_lo & TALITOS_CCPSR_LO_FPZ)
- + dev_err(dev, "fetch pointer zero error\n");
- + if (v_lo & TALITOS_CCPSR_LO_IDH)
- + dev_err(dev, "illegal descriptor header error\n");
- + if (v_lo & TALITOS_CCPSR_LO_IEU)
- + dev_err(dev, "invalid execution unit error\n");
- + if (v_lo & TALITOS_CCPSR_LO_EU)
- + report_eu_error(dev, ch, current_desc(dev, ch));
- + if (v_lo & TALITOS_CCPSR_LO_GB)
- + dev_err(dev, "gather boundary error\n");
- + if (v_lo & TALITOS_CCPSR_LO_GRL)
- + dev_err(dev, "gather return/length error\n");
- + if (v_lo & TALITOS_CCPSR_LO_SB)
- + dev_err(dev, "scatter boundary error\n");
- + if (v_lo & TALITOS_CCPSR_LO_SRL)
- + dev_err(dev, "scatter return/length error\n");
- +
- + flush_channel(dev, ch, error, reset_ch);
- +
- + if (reset_ch) {
- + reset_channel(dev, ch);
- + } else {
- + setbits32(priv->reg + TALITOS_CCCR(ch),
- + TALITOS_CCCR_CONT);
- + setbits32(priv->reg + TALITOS_CCCR_LO(ch), 0);
- + while ((in_be32(priv->reg + TALITOS_CCCR(ch)) &
- + TALITOS_CCCR_CONT) && --timeout)
- + cpu_relax();
- + if (timeout == 0) {
- + dev_err(dev, "failed to restart channel %d\n",
- + ch);
- + reset_dev = 1;
- + }
- + }
- + }
- + if (reset_dev || isr & ~TALITOS_ISR_CHERR || isr_lo) {
- + dev_err(dev, "done overflow, internal time out, or rngu error: "
- + "ISR 0x%08x_%08x\n", isr, isr_lo);
- +
- + /* purge request queues */
- + for (ch = 0; ch < priv->num_channels; ch++)
- + flush_channel(dev, ch, -EIO, 1);
- +
- + /* reset and reinitialize the device */
- + init_device(dev);
- + }
- +}
- +
- +static irqreturn_t talitos_interrupt(int irq, void *data)
- +{
- + struct device *dev = data;
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + u32 isr, isr_lo;
- +
- + isr = in_be32(priv->reg + TALITOS_ISR);
- + isr_lo = in_be32(priv->reg + TALITOS_ISR_LO);
- +
- + /* ack */
- + out_be32(priv->reg + TALITOS_ICR, isr);
- + out_be32(priv->reg + TALITOS_ICR_LO, isr_lo);
- +
- + if (unlikely((isr & ~TALITOS_ISR_CHDONE) || isr_lo))
- + talitos_error((unsigned long)data);
- + else
- + if (likely(isr & TALITOS_ISR_CHDONE))
- + tasklet_schedule(&priv->done_task);
- +
- + return (isr || isr_lo) ? IRQ_HANDLED : IRQ_NONE;
- +}
- +
- +/*
- + * hwrng
- + */
- +static int talitos_rng_data_present(struct hwrng *rng, int wait)
- +{
- + struct device *dev = (struct device *)rng->priv;
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + u32 ofl;
- + int i;
- +
- + for (i = 0; i < 20; i++) {
- + ofl = in_be32(priv->reg + TALITOS_RNGUSR_LO) &
- + TALITOS_RNGUSR_LO_OFL;
- + if (ofl || !wait)
- + break;
- + udelay(10);
- + }
- +
- + return !!ofl;
- +}
- +
- +static int talitos_rng_data_read(struct hwrng *rng, u32 *data)
- +{
- + struct device *dev = (struct device *)rng->priv;
- + struct talitos_private *priv = dev_get_drvdata(dev);
- +
- + /* rng fifo requires 64-bit accesses */
- + *data = in_be32(priv->reg + TALITOS_RNGU_FIFO);
- + *data = in_be32(priv->reg + TALITOS_RNGU_FIFO_LO);
- +
- + return sizeof(u32);
- +}
- +
- +static int talitos_rng_init(struct hwrng *rng)
- +{
- + struct device *dev = (struct device *)rng->priv;
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + unsigned int timeout = TALITOS_TIMEOUT;
- +
- + setbits32(priv->reg + TALITOS_RNGURCR_LO, TALITOS_RNGURCR_LO_SR);
- + while (!(in_be32(priv->reg + TALITOS_RNGUSR_LO) & TALITOS_RNGUSR_LO_RD)
- + && --timeout)
- + cpu_relax();
- + if (timeout == 0) {
- + dev_err(dev, "failed to reset rng hw\n");
- + return -ENODEV;
- + }
- +
- + /* start generating */
- + setbits32(priv->reg + TALITOS_RNGUDSR_LO, 0);
- +
- + return 0;
- +}
- +
- +static int talitos_register_rng(struct device *dev)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- +
- + priv->rng.name = dev_driver_string(dev),
- + priv->rng.init = talitos_rng_init,
- + priv->rng.data_present = talitos_rng_data_present,
- + priv->rng.data_read = talitos_rng_data_read,
- + priv->rng.priv = (unsigned long)dev;
- +
- + return hwrng_register(&priv->rng);
- +}
- +
- +static void talitos_unregister_rng(struct device *dev)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- +
- + hwrng_unregister(&priv->rng);
- +}
- +
- +/*
- + * crypto alg
- + */
- +#define TALITOS_CRA_PRIORITY 3000
- +#define TALITOS_MAX_KEY_SIZE 64
- +#define TALITOS_MAX_IV_LENGTH 16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
- +
- +#define MD5_DIGEST_SIZE 16
- +
- +struct talitos_ctx {
- + struct device *dev;
- + __be32 desc_hdr_template;
- + u8 key[TALITOS_MAX_KEY_SIZE];
- + u8 iv[TALITOS_MAX_IV_LENGTH];
- + unsigned int keylen;
- + unsigned int enckeylen;
- + unsigned int authkeylen;
- + unsigned int authsize;
- +};
- +
- +static int aead_authenc_setauthsize(struct crypto_aead *authenc,
- + unsigned int authsize)
- +{
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- +
- + ctx->authsize = authsize;
- +
- + return 0;
- +}
- +
- +static int aead_authenc_setkey(struct crypto_aead *authenc,
- + const u8 *key, unsigned int keylen)
- +{
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- + struct rtattr *rta = (void *)key;
- + struct crypto_authenc_key_param *param;
- + unsigned int authkeylen;
- + unsigned int enckeylen;
- +
- + if (!RTA_OK(rta, keylen))
- + goto badkey;
- +
- + if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
- + goto badkey;
- +
- + if (RTA_PAYLOAD(rta) < sizeof(*param))
- + goto badkey;
- +
- + param = RTA_DATA(rta);
- + enckeylen = be32_to_cpu(param->enckeylen);
- +
- + key += RTA_ALIGN(rta->rta_len);
- + keylen -= RTA_ALIGN(rta->rta_len);
- +
- + if (keylen < enckeylen)
- + goto badkey;
- +
- + authkeylen = keylen - enckeylen;
- +
- + if (keylen > TALITOS_MAX_KEY_SIZE)
- + goto badkey;
- +
- + memcpy(&ctx->key, key, keylen);
- +
- + ctx->keylen = keylen;
- + ctx->enckeylen = enckeylen;
- + ctx->authkeylen = authkeylen;
- +
- + return 0;
- +
- +badkey:
- + crypto_aead_set_flags(authenc, CRYPTO_TFM_RES_BAD_KEY_LEN);
- + return -EINVAL;
- +}
- +
- +/*
- + * ipsec_esp_edesc - s/w-extended ipsec_esp descriptor
- + * @src_nents: number of segments in input scatterlist
- + * @dst_nents: number of segments in output scatterlist
- + * @dma_len: length of dma mapped link_tbl space
- + * @dma_link_tbl: bus physical address of link_tbl
- + * @desc: h/w descriptor
- + * @link_tbl: input and output h/w link tables (if {src,dst}_nents > 1)
- + *
- + * if decrypting (with authcheck), or either one of src_nents or dst_nents
- + * is greater than 1, an integrity check value is concatenated to the end
- + * of link_tbl data
- + */
- +struct ipsec_esp_edesc {
- + int src_nents;
- + int dst_nents;
- + int dma_len;
- + dma_addr_t dma_link_tbl;
- + struct talitos_desc desc;
- + struct talitos_ptr link_tbl[0];
- +};
- +
- +static void ipsec_esp_unmap(struct device *dev,
- + struct ipsec_esp_edesc *edesc,
- + struct aead_request *areq)
- +{
- + unmap_single_talitos_ptr(dev, &edesc->desc.ptr[6], DMA_FROM_DEVICE);
- + unmap_single_talitos_ptr(dev, &edesc->desc.ptr[3], DMA_TO_DEVICE);
- + unmap_single_talitos_ptr(dev, &edesc->desc.ptr[2], DMA_TO_DEVICE);
- + unmap_single_talitos_ptr(dev, &edesc->desc.ptr[0], DMA_TO_DEVICE);
- +
- + dma_unmap_sg(dev, areq->assoc, 1, DMA_TO_DEVICE);
- +
- + if (areq->src != areq->dst) {
- + dma_unmap_sg(dev, areq->src, edesc->src_nents ? : 1,
- + DMA_TO_DEVICE);
- + dma_unmap_sg(dev, areq->dst, edesc->dst_nents ? : 1,
- + DMA_FROM_DEVICE);
- + } else {
- + dma_unmap_sg(dev, areq->src, edesc->src_nents ? : 1,
- + DMA_BIDIRECTIONAL);
- + }
- +
- + if (edesc->dma_len)
- + dma_unmap_single(dev, edesc->dma_link_tbl, edesc->dma_len,
- + DMA_BIDIRECTIONAL);
- +}
- +
- +/*
- + * ipsec_esp descriptor callbacks
- + */
- +static void ipsec_esp_encrypt_done(struct device *dev,
- + struct talitos_desc *desc, void *context,
- + int err)
- +{
- + struct aead_request *areq = context;
- + struct ipsec_esp_edesc *edesc =
- + container_of(desc, struct ipsec_esp_edesc, desc);
- + struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- + struct scatterlist *sg;
- + void *icvdata;
- +
- + ipsec_esp_unmap(dev, edesc, areq);
- +
- + /* copy the generated ICV to dst */
- + if (edesc->dma_len) {
- + icvdata = &edesc->link_tbl[edesc->src_nents +
- + edesc->dst_nents + 1];
- + sg = sg_last(areq->dst, edesc->dst_nents);
- + memcpy((char *)sg_virt(sg) + sg->length - ctx->authsize,
- + icvdata, ctx->authsize);
- + }
- +
- + kfree(edesc);
- +
- + aead_request_complete(areq, err);
- +}
- +
- +static void ipsec_esp_decrypt_done(struct device *dev,
- + struct talitos_desc *desc, void *context,
- + int err)
- +{
- + struct aead_request *req = context;
- + struct ipsec_esp_edesc *edesc =
- + container_of(desc, struct ipsec_esp_edesc, desc);
- + struct crypto_aead *authenc = crypto_aead_reqtfm(req);
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- + struct scatterlist *sg;
- + void *icvdata;
- +
- + ipsec_esp_unmap(dev, edesc, req);
- +
- + if (!err) {
- + /* auth check */
- + if (edesc->dma_len)
- + icvdata = &edesc->link_tbl[edesc->src_nents +
- + edesc->dst_nents + 1];
- + else
- + icvdata = &edesc->link_tbl[0];
- +
- + sg = sg_last(req->dst, edesc->dst_nents ? : 1);
- + err = memcmp(icvdata, (char *)sg_virt(sg) + sg->length -
- + ctx->authsize, ctx->authsize) ? -EBADMSG : 0;
- + }
- +
- + kfree(edesc);
- +
- + aead_request_complete(req, err);
- +}
- +
- +/*
- + * convert scatterlist to SEC h/w link table format
- + * stop at cryptlen bytes
- + */
- +static int sg_to_link_tbl(struct scatterlist *sg, int sg_count,
- + int cryptlen, struct talitos_ptr *link_tbl_ptr)
- +{
- + int n_sg = sg_count;
- +
- + while (n_sg--) {
- + link_tbl_ptr->ptr = cpu_to_be32(sg_dma_address(sg));
- + link_tbl_ptr->len = cpu_to_be16(sg_dma_len(sg));
- + link_tbl_ptr->j_extent = 0;
- + link_tbl_ptr++;
- + cryptlen -= sg_dma_len(sg);
- + sg = sg_next(sg);
- + }
- +
- + /* adjust (decrease) last one (or two) entry's len to cryptlen */
- + link_tbl_ptr--;
- + while (link_tbl_ptr->len <= (-cryptlen)) {
- + /* Empty this entry, and move to previous one */
- + cryptlen += be16_to_cpu(link_tbl_ptr->len);
- + link_tbl_ptr->len = 0;
- + sg_count--;
- + link_tbl_ptr--;
- + }
- + link_tbl_ptr->len = cpu_to_be16(be16_to_cpu(link_tbl_ptr->len)
- + + cryptlen);
- +
- + /* tag end of link table */
- + link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN;
- +
- + return sg_count;
- +}
- +
- +/*
- + * fill in and submit ipsec_esp descriptor
- + */
- +static int ipsec_esp(struct ipsec_esp_edesc *edesc, struct aead_request *areq,
- + u8 *giv, u64 seq,
- + void (*callback) (struct device *dev,
- + struct talitos_desc *desc,
- + void *context, int error))
- +{
- + struct crypto_aead *aead = crypto_aead_reqtfm(areq);
- + struct talitos_ctx *ctx = crypto_aead_ctx(aead);
- + struct device *dev = ctx->dev;
- + struct talitos_desc *desc = &edesc->desc;
- + unsigned int cryptlen = areq->cryptlen;
- + unsigned int authsize = ctx->authsize;
- + unsigned int ivsize;
- + int sg_count;
- +
- + /* hmac key */
- + map_single_talitos_ptr(dev, &desc->ptr[0], ctx->authkeylen, &ctx->key,
- + 0, DMA_TO_DEVICE);
- + /* hmac data */
- + map_single_talitos_ptr(dev, &desc->ptr[1], sg_virt(areq->src) -
- + sg_virt(areq->assoc), sg_virt(areq->assoc), 0,
- + DMA_TO_DEVICE);
- + /* cipher iv */
- + ivsize = crypto_aead_ivsize(aead);
- + map_single_talitos_ptr(dev, &desc->ptr[2], ivsize, giv ?: areq->iv, 0,
- + DMA_TO_DEVICE);
- +
- + /* cipher key */
- + map_single_talitos_ptr(dev, &desc->ptr[3], ctx->enckeylen,
- + (char *)&ctx->key + ctx->authkeylen, 0,
- + DMA_TO_DEVICE);
- +
- + /*
- + * cipher in
- + * map and adjust cipher len to aead request cryptlen.
- + * extent is bytes of HMAC postpended to ciphertext,
- + * typically 12 for ipsec
- + */
- + desc->ptr[4].len = cpu_to_be16(cryptlen);
- + desc->ptr[4].j_extent = authsize;
- +
- + if (areq->src == areq->dst)
- + sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ? : 1,
- + DMA_BIDIRECTIONAL);
- + else
- + sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ? : 1,
- + DMA_TO_DEVICE);
- +
- + if (sg_count == 1) {
- + desc->ptr[4].ptr = cpu_to_be32(sg_dma_address(areq->src));
- + } else {
- + sg_count = sg_to_link_tbl(areq->src, sg_count, cryptlen,
- + &edesc->link_tbl[0]);
- + if (sg_count > 1) {
- + desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP;
- + desc->ptr[4].ptr = cpu_to_be32(edesc->dma_link_tbl);
- + dma_sync_single_for_device(ctx->dev, edesc->dma_link_tbl,
- + edesc->dma_len, DMA_BIDIRECTIONAL);
- + } else {
- + /* Only one segment now, so no link tbl needed */
- + desc->ptr[4].ptr = cpu_to_be32(sg_dma_address(areq->src));
- + }
- + }
- +
- + /* cipher out */
- + desc->ptr[5].len = cpu_to_be16(cryptlen);
- + desc->ptr[5].j_extent = authsize;
- +
- + if (areq->src != areq->dst) {
- + sg_count = dma_map_sg(dev, areq->dst, edesc->dst_nents ? : 1,
- + DMA_FROM_DEVICE);
- + }
- +
- + if (sg_count == 1) {
- + desc->ptr[5].ptr = cpu_to_be32(sg_dma_address(areq->dst));
- + } else {
- + struct talitos_ptr *link_tbl_ptr =
- + &edesc->link_tbl[edesc->src_nents];
- + struct scatterlist *sg;
- +
- + desc->ptr[5].ptr = cpu_to_be32((struct talitos_ptr *)
- + edesc->dma_link_tbl +
- + edesc->src_nents);
- + if (areq->src == areq->dst) {
- + memcpy(link_tbl_ptr, &edesc->link_tbl[0],
- + edesc->src_nents * sizeof(struct talitos_ptr));
- + } else {
- + sg_count = sg_to_link_tbl(areq->dst, sg_count, cryptlen,
- + link_tbl_ptr);
- + }
- + link_tbl_ptr += sg_count - 1;
- +
- + /* handle case where sg_last contains the ICV exclusively */
- + sg = sg_last(areq->dst, edesc->dst_nents);
- + if (sg->length == ctx->authsize)
- + link_tbl_ptr--;
- +
- + link_tbl_ptr->j_extent = 0;
- + link_tbl_ptr++;
- + link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN;
- + link_tbl_ptr->len = cpu_to_be16(authsize);
- +
- + /* icv data follows link tables */
- + link_tbl_ptr->ptr = cpu_to_be32((struct talitos_ptr *)
- + edesc->dma_link_tbl +
- + edesc->src_nents +
- + edesc->dst_nents + 1);
- +
- + desc->ptr[5].j_extent |= DESC_PTR_LNKTBL_JUMP;
- + dma_sync_single_for_device(ctx->dev, edesc->dma_link_tbl,
- + edesc->dma_len, DMA_BIDIRECTIONAL);
- + }
- +
- + /* iv out */
- + map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv, 0,
- + DMA_FROM_DEVICE);
- +
- + return talitos_submit(dev, desc, callback, areq);
- +}
- +
- +
- +/*
- + * derive number of elements in scatterlist
- + */
- +static int sg_count(struct scatterlist *sg_list, int nbytes)
- +{
- + struct scatterlist *sg = sg_list;
- + int sg_nents = 0;
- +
- + while (nbytes) {
- + sg_nents++;
- + nbytes -= sg->length;
- + sg = sg_next(sg);
- + }
- +
- + return sg_nents;
- +}
- +
- +/*
- + * allocate and map the ipsec_esp extended descriptor
- + */
- +static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
- + int icv_stashing)
- +{
- + struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- + struct ipsec_esp_edesc *edesc;
- + int src_nents, dst_nents, alloc_len, dma_len;
- +
- + if (areq->cryptlen + ctx->authsize > TALITOS_MAX_DATA_LEN) {
- + dev_err(ctx->dev, "cryptlen exceeds h/w max limit\n");
- + return ERR_PTR(-EINVAL);
- + }
- +
- + src_nents = sg_count(areq->src, areq->cryptlen + ctx->authsize);
- + src_nents = (src_nents == 1) ? 0 : src_nents;
- +
- + if (areq->dst == areq->src) {
- + dst_nents = src_nents;
- + } else {
- + dst_nents = sg_count(areq->dst, areq->cryptlen + ctx->authsize);
- + dst_nents = (dst_nents == 1) ? 0 : src_nents;
- + }
- +
- + /*
- + * allocate space for base edesc plus the link tables,
- + * allowing for a separate entry for the generated ICV (+ 1),
- + * and the ICV data itself
- + */
- + alloc_len = sizeof(struct ipsec_esp_edesc);
- + if (src_nents || dst_nents) {
- + dma_len = (src_nents + dst_nents + 1) *
- + sizeof(struct talitos_ptr) + ctx->authsize;
- + alloc_len += dma_len;
- + } else {
- + dma_len = 0;
- + alloc_len += icv_stashing ? ctx->authsize : 0;
- + }
- +
- + edesc = kmalloc(alloc_len, GFP_DMA);
- + if (!edesc) {
- + dev_err(ctx->dev, "could not allocate edescriptor\n");
- + return ERR_PTR(-ENOMEM);
- + }
- +
- + edesc->src_nents = src_nents;
- + edesc->dst_nents = dst_nents;
- + edesc->dma_len = dma_len;
- + edesc->dma_link_tbl = dma_map_single(ctx->dev, &edesc->link_tbl[0],
- + edesc->dma_len, DMA_BIDIRECTIONAL);
- +
- + return edesc;
- +}
- +
- +static int aead_authenc_encrypt(struct aead_request *req)
- +{
- + struct crypto_aead *authenc = crypto_aead_reqtfm(req);
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- + struct ipsec_esp_edesc *edesc;
- +
- + /* allocate extended descriptor */
- + edesc = ipsec_esp_edesc_alloc(req, 0);
- + if (IS_ERR(edesc))
- + return PTR_ERR(edesc);
- +
- + /* set encrypt */
- + edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT;
- +
- + return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_encrypt_done);
- +}
- +
- +static int aead_authenc_decrypt(struct aead_request *req)
- +{
- + struct crypto_aead *authenc = crypto_aead_reqtfm(req);
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- + unsigned int authsize = ctx->authsize;
- + struct ipsec_esp_edesc *edesc;
- + struct scatterlist *sg;
- + void *icvdata;
- +
- + req->cryptlen -= authsize;
- +
- + /* allocate extended descriptor */
- + edesc = ipsec_esp_edesc_alloc(req, 1);
- + if (IS_ERR(edesc))
- + return PTR_ERR(edesc);
- +
- + /* stash incoming ICV for later cmp with ICV generated by the h/w */
- + if (edesc->dma_len)
- + icvdata = &edesc->link_tbl[edesc->src_nents +
- + edesc->dst_nents + 1];
- + else
- + icvdata = &edesc->link_tbl[0];
- +
- + sg = sg_last(req->src, edesc->src_nents ? : 1);
- +
- + memcpy(icvdata, (char *)sg_virt(sg) + sg->length - ctx->authsize,
- + ctx->authsize);
- +
- + /* decrypt */
- + edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND;
- +
- + return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_decrypt_done);
- +}
- +
- +static int aead_authenc_givencrypt(
- + struct aead_givcrypt_request *req)
- +{
- + struct aead_request *areq = &req->areq;
- + struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
- + struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- + struct ipsec_esp_edesc *edesc;
- +
- + /* allocate extended descriptor */
- + edesc = ipsec_esp_edesc_alloc(areq, 0);
- + if (IS_ERR(edesc))
- + return PTR_ERR(edesc);
- +
- + /* set encrypt */
- + edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT;
- +
- + memcpy(req->giv, ctx->iv, crypto_aead_ivsize(authenc));
- +
- + return ipsec_esp(edesc, areq, req->giv, req->seq,
- + ipsec_esp_encrypt_done);
- +}
- +
- +struct talitos_alg_template {
- + char name[CRYPTO_MAX_ALG_NAME];
- + char driver_name[CRYPTO_MAX_ALG_NAME];
- + unsigned int blocksize;
- + struct aead_alg aead;
- + struct device *dev;
- + __be32 desc_hdr_template;
- +};
- +
- +static struct talitos_alg_template driver_algs[] = {
- + /* single-pass ipsec_esp descriptor */
- + {
- + .name = "authenc(hmac(sha1),cbc(aes))",
- + .driver_name = "authenc-hmac-sha1-cbc-aes-talitos",
- + .blocksize = AES_BLOCK_SIZE,
- + .aead = {
- + .setkey = aead_authenc_setkey,
- + .setauthsize = aead_authenc_setauthsize,
- + .encrypt = aead_authenc_encrypt,
- + .decrypt = aead_authenc_decrypt,
- + .givencrypt = aead_authenc_givencrypt,
- + .geniv = "<built-in>",
- + .ivsize = AES_BLOCK_SIZE,
- + .maxauthsize = SHA1_DIGEST_SIZE,
- + },
- + .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
- + DESC_HDR_SEL0_AESU |
- + DESC_HDR_MODE0_AESU_CBC |
- + DESC_HDR_SEL1_MDEUA |
- + DESC_HDR_MODE1_MDEU_INIT |
- + DESC_HDR_MODE1_MDEU_PAD |
- + DESC_HDR_MODE1_MDEU_SHA1_HMAC,
- + },
- + {
- + .name = "authenc(hmac(sha1),cbc(des3_ede))",
- + .driver_name = "authenc-hmac-sha1-cbc-3des-talitos",
- + .blocksize = DES3_EDE_BLOCK_SIZE,
- + .aead = {
- + .setkey = aead_authenc_setkey,
- + .setauthsize = aead_authenc_setauthsize,
- + .encrypt = aead_authenc_encrypt,
- + .decrypt = aead_authenc_decrypt,
- + .givencrypt = aead_authenc_givencrypt,
- + .geniv = "<built-in>",
- + .ivsize = DES3_EDE_BLOCK_SIZE,
- + .maxauthsize = SHA1_DIGEST_SIZE,
- + },
- + .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
- + DESC_HDR_SEL0_DEU |
- + DESC_HDR_MODE0_DEU_CBC |
- + DESC_HDR_MODE0_DEU_3DES |
- + DESC_HDR_SEL1_MDEUA |
- + DESC_HDR_MODE1_MDEU_INIT |
- + DESC_HDR_MODE1_MDEU_PAD |
- + DESC_HDR_MODE1_MDEU_SHA1_HMAC,
- + },
- + {
- + .name = "authenc(hmac(sha256),cbc(aes))",
- + .driver_name = "authenc-hmac-sha256-cbc-aes-talitos",
- + .blocksize = AES_BLOCK_SIZE,
- + .aead = {
- + .setkey = aead_authenc_setkey,
- + .setauthsize = aead_authenc_setauthsize,
- + .encrypt = aead_authenc_encrypt,
- + .decrypt = aead_authenc_decrypt,
- + .givencrypt = aead_authenc_givencrypt,
- + .geniv = "<built-in>",
- + .ivsize = AES_BLOCK_SIZE,
- + .maxauthsize = SHA256_DIGEST_SIZE,
- + },
- + .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
- + DESC_HDR_SEL0_AESU |
- + DESC_HDR_MODE0_AESU_CBC |
- + DESC_HDR_SEL1_MDEUA |
- + DESC_HDR_MODE1_MDEU_INIT |
- + DESC_HDR_MODE1_MDEU_PAD |
- + DESC_HDR_MODE1_MDEU_SHA256_HMAC,
- + },
- + {
- + .name = "authenc(hmac(sha256),cbc(des3_ede))",
- + .driver_name = "authenc-hmac-sha256-cbc-3des-talitos",
- + .blocksize = DES3_EDE_BLOCK_SIZE,
- + .aead = {
- + .setkey = aead_authenc_setkey,
- + .setauthsize = aead_authenc_setauthsize,
- + .encrypt = aead_authenc_encrypt,
- + .decrypt = aead_authenc_decrypt,
- + .givencrypt = aead_authenc_givencrypt,
- + .geniv = "<built-in>",
- + .ivsize = DES3_EDE_BLOCK_SIZE,
- + .maxauthsize = SHA256_DIGEST_SIZE,
- + },
- + .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
- + DESC_HDR_SEL0_DEU |
- + DESC_HDR_MODE0_DEU_CBC |
- + DESC_HDR_MODE0_DEU_3DES |
- + DESC_HDR_SEL1_MDEUA |
- + DESC_HDR_MODE1_MDEU_INIT |
- + DESC_HDR_MODE1_MDEU_PAD |
- + DESC_HDR_MODE1_MDEU_SHA256_HMAC,
- + },
- + {
- + .name = "authenc(hmac(md5),cbc(aes))",
- + .driver_name = "authenc-hmac-md5-cbc-aes-talitos",
- + .blocksize = AES_BLOCK_SIZE,
- + .aead = {
- + .setkey = aead_authenc_setkey,
- + .setauthsize = aead_authenc_setauthsize,
- + .encrypt = aead_authenc_encrypt,
- + .decrypt = aead_authenc_decrypt,
- + .givencrypt = aead_authenc_givencrypt,
- + .geniv = "<built-in>",
- + .ivsize = AES_BLOCK_SIZE,
- + .maxauthsize = MD5_DIGEST_SIZE,
- + },
- + .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
- + DESC_HDR_SEL0_AESU |
- + DESC_HDR_MODE0_AESU_CBC |
- + DESC_HDR_SEL1_MDEUA |
- + DESC_HDR_MODE1_MDEU_INIT |
- + DESC_HDR_MODE1_MDEU_PAD |
- + DESC_HDR_MODE1_MDEU_MD5_HMAC,
- + },
- + {
- + .name = "authenc(hmac(md5),cbc(des3_ede))",
- + .driver_name = "authenc-hmac-md5-cbc-3des-talitos",
- + .blocksize = DES3_EDE_BLOCK_SIZE,
- + .aead = {
- + .setkey = aead_authenc_setkey,
- + .setauthsize = aead_authenc_setauthsize,
- + .encrypt = aead_authenc_encrypt,
- + .decrypt = aead_authenc_decrypt,
- + .givencrypt = aead_authenc_givencrypt,
- + .geniv = "<built-in>",
- + .ivsize = DES3_EDE_BLOCK_SIZE,
- + .maxauthsize = MD5_DIGEST_SIZE,
- + },
- + .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
- + DESC_HDR_SEL0_DEU |
- + DESC_HDR_MODE0_DEU_CBC |
- + DESC_HDR_MODE0_DEU_3DES |
- + DESC_HDR_SEL1_MDEUA |
- + DESC_HDR_MODE1_MDEU_INIT |
- + DESC_HDR_MODE1_MDEU_PAD |
- + DESC_HDR_MODE1_MDEU_MD5_HMAC,
- + }
- +};
- +
- +struct talitos_crypto_alg {
- + struct list_head entry;
- + struct device *dev;
- + __be32 desc_hdr_template;
- + struct crypto_alg crypto_alg;
- +};
- +
- +static int talitos_cra_init(struct crypto_tfm *tfm)
- +{
- + struct crypto_alg *alg = tfm->__crt_alg;
- + struct talitos_crypto_alg *talitos_alg =
- + container_of(alg, struct talitos_crypto_alg, crypto_alg);
- + struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
- +
- + /* update context with ptr to dev */
- + ctx->dev = talitos_alg->dev;
- + /* copy descriptor header template value */
- + ctx->desc_hdr_template = talitos_alg->desc_hdr_template;
- +
- + /* random first IV */
- + get_random_bytes(ctx->iv, TALITOS_MAX_IV_LENGTH);
- +
- + return 0;
- +}
- +
- +/*
- + * given the alg's descriptor header template, determine whether descriptor
- + * type and primary/secondary execution units required match the hw
- + * capabilities description provided in the device tree node.
- + */
- +static int hw_supports(struct device *dev, __be32 desc_hdr_template)
- +{
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + int ret;
- +
- + ret = (1 << DESC_TYPE(desc_hdr_template) & priv->desc_types) &&
- + (1 << PRIMARY_EU(desc_hdr_template) & priv->exec_units);
- +
- + if (SECONDARY_EU(desc_hdr_template))
- + ret = ret && (1 << SECONDARY_EU(desc_hdr_template)
- + & priv->exec_units);
- +
- + return ret;
- +}
- +
- +static int __devexit talitos_remove(struct of_device *ofdev)
- +{
- + struct device *dev = &ofdev->dev;
- + struct talitos_private *priv = dev_get_drvdata(dev);
- + struct talitos_crypto_alg *t_alg, *n;
- + int i;
- +
- + list_for_each_entry_safe(t_alg, n, &priv->alg_list, entry) {
- + crypto_unregister_alg(&t_alg->crypto_alg);
- + list_del(&t_alg->entry);
- + kfree(t_alg);
- + }
- +
- + if (hw_supports(dev, DESC_HDR_SEL0_RNG))
- + talitos_unregister_rng(dev);
- +
- + kfree(priv->tail);
- + kfree(priv->head);
- +
- + if (priv->fifo)
- + for (i = 0; i < priv->num_channels; i++)
- + kfree(priv->fifo[i]);
- +
- + kfree(priv->fifo);
- + kfree(priv->head_lock);
- + kfree(priv->tail_lock);
- +
- + if (priv->irq != NO_IRQ) {
- + free_irq(priv->irq, dev);
- + irq_dispose_mapping(priv->irq);
- + }
- +
- + tasklet_kill(&priv->done_task);
- + tasklet_kill(&priv->error_task);
- +
- + iounmap(priv->reg);
- +
- + dev_set_drvdata(dev, NULL);
- +
- + kfree(priv);
- +
- + return 0;
- +}
- +
- +static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
- + struct talitos_alg_template
- + *template)
- +{
- + struct talitos_crypto_alg *t_alg;
- + struct crypto_alg *alg;
- +
- + t_alg = kzalloc(sizeof(struct talitos_crypto_alg), GFP_KERNEL);
- + if (!t_alg)
- + return ERR_PTR(-ENOMEM);
- +
- + alg = &t_alg->crypto_alg;
- +
- + snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", template->name);
- + snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s",
- + template->driver_name);
- + alg->cra_module = THIS_MODULE;
- + alg->cra_init = talitos_cra_init;
- + alg->cra_priority = TALITOS_CRA_PRIORITY;
- + alg->cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC;
- + alg->cra_blocksize = template->blocksize;
- + alg->cra_alignmask = 0;
- + alg->cra_type = &crypto_aead_type;
- + alg->cra_ctxsize = sizeof(struct talitos_ctx);
- + alg->cra_u.aead = template->aead;
- +
- + t_alg->desc_hdr_template = template->desc_hdr_template;
- + t_alg->dev = dev;
- +
- + return t_alg;
- +}
- +
- +static int talitos_probe(struct of_device *ofdev,
- + const struct of_device_id *match)
- +{
- + struct device *dev = &ofdev->dev;
- + struct device_node *np = ofdev->node;
- + struct talitos_private *priv;
- + const unsigned int *prop;
- + int i, err;
- +
- + priv = kzalloc(sizeof(struct talitos_private), GFP_KERNEL);
- + if (!priv)
- + return -ENOMEM;
- +
- + dev_set_drvdata(dev, priv);
- +
- + priv->ofdev = ofdev;
- +
- + tasklet_init(&priv->done_task, talitos_done, (unsigned long)dev);
- + tasklet_init(&priv->error_task, talitos_error, (unsigned long)dev);
- +
- + priv->irq = irq_of_parse_and_map(np, 0);
- +
- + if (priv->irq == NO_IRQ) {
- + dev_err(dev, "failed to map irq\n");
- + err = -EINVAL;
- + goto err_out;
- + }
- +
- + /* get the irq line */
- + err = request_irq(priv->irq, talitos_interrupt, 0,
- + dev_driver_string(dev), dev);
- + if (err) {
- + dev_err(dev, "failed to request irq %d\n", priv->irq);
- + irq_dispose_mapping(priv->irq);
- + priv->irq = NO_IRQ;
- + goto err_out;
- + }
- +
- + priv->reg = of_iomap(np, 0);
- + if (!priv->reg) {
- + dev_err(dev, "failed to of_iomap\n");
- + err = -ENOMEM;
- + goto err_out;
- + }
- +
- + /* get SEC version capabilities from device tree */
- + prop = of_get_property(np, "fsl,num-channels", NULL);
- + if (prop)
- + priv->num_channels = *prop;
- +
- + prop = of_get_property(np, "fsl,channel-fifo-len", NULL);
- + if (prop)
- + priv->chfifo_len = *prop;
- +
- + prop = of_get_property(np, "fsl,exec-units-mask", NULL);
- + if (prop)
- + priv->exec_units = *prop;
- +
- + prop = of_get_property(np, "fsl,descriptor-types-mask", NULL);
- + if (prop)
- + priv->desc_types = *prop;
- +
- + if (!is_power_of_2(priv->num_channels) || !priv->chfifo_len ||
- + !priv->exec_units || !priv->desc_types) {
- + dev_err(dev, "invalid property data in device tree node\n");
- + err = -EINVAL;
- + goto err_out;
- + }
- +
- + of_node_put(np);
- + np = NULL;
- +
- + priv->head_lock = kmalloc(sizeof(spinlock_t) * priv->num_channels,
- + GFP_KERNEL);
- + priv->tail_lock = kmalloc(sizeof(spinlock_t) * priv->num_channels,
- + GFP_KERNEL);
- + if (!priv->head_lock || !priv->tail_lock) {
- + dev_err(dev, "failed to allocate fifo locks\n");
- + err = -ENOMEM;
- + goto err_out;
- + }
- +
- + for (i = 0; i < priv->num_channels; i++) {
- + spin_lock_init(&priv->head_lock[i]);
- + spin_lock_init(&priv->tail_lock[i]);
- + }
- +
- + priv->fifo = kmalloc(sizeof(struct talitos_request *) *
- + priv->num_channels, GFP_KERNEL);
- + if (!priv->fifo) {
- + dev_err(dev, "failed to allocate request fifo\n");
- + err = -ENOMEM;
- + goto err_out;
- + }
- +
- + priv->fifo_len = roundup_pow_of_two(priv->chfifo_len);
- +
- + for (i = 0; i < priv->num_channels; i++) {
- + priv->fifo[i] = kzalloc(sizeof(struct talitos_request) *
- + priv->fifo_len, GFP_KERNEL);
- + if (!priv->fifo[i]) {
- + dev_err(dev, "failed to allocate request fifo %d\n", i);
- + err = -ENOMEM;
- + goto err_out;
- + }
- + }
- +
- + priv->head = kzalloc(sizeof(int) * priv->num_channels, GFP_KERNEL);
- + priv->tail = kzalloc(sizeof(int) * priv->num_channels, GFP_KERNEL);
- + if (!priv->head || !priv->tail) {
- + dev_err(dev, "failed to allocate request index space\n");
- + err = -ENOMEM;
- + goto err_out;
- + }
- +
- + /* reset and initialize the h/w */
- + err = init_device(dev);
- + if (err) {
- + dev_err(dev, "failed to initialize device\n");
- + goto err_out;
- + }
- +
- + /* register the RNG, if available */
- + if (hw_supports(dev, DESC_HDR_SEL0_RNG)) {
- + err = talitos_register_rng(dev);
- + if (err) {
- + dev_err(dev, "failed to register hwrng: %d\n", err);
- + goto err_out;
- + } else
- + dev_info(dev, "hwrng\n");
- + }
- +
- + /* register crypto algorithms the device supports */
- + INIT_LIST_HEAD(&priv->alg_list);
- +
- + for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
- + if (hw_supports(dev, driver_algs[i].desc_hdr_template)) {
- + struct talitos_crypto_alg *t_alg;
- +
- + t_alg = talitos_alg_alloc(dev, &driver_algs[i]);
- + if (IS_ERR(t_alg)) {
- + err = PTR_ERR(t_alg);
- + goto err_out;
- + }
- +
- + err = crypto_register_alg(&t_alg->crypto_alg);
- + if (err) {
- + dev_err(dev, "%s alg registration failed\n",
- + t_alg->crypto_alg.cra_driver_name);
- + kfree(t_alg);
- + } else {
- + list_add_tail(&t_alg->entry, &priv->alg_list);
- + dev_info(dev, "%s\n",
- + t_alg->crypto_alg.cra_driver_name);
- + }
- + }
- + }
- +
- + return 0;
- +
- +err_out:
- + talitos_remove(ofdev);
- + if (np)
- + of_node_put(np);
- +
- + return err;
- +}
- +
- +static struct of_device_id talitos_match[] = {
- + {
- + .compatible = "fsl,sec2.0",
- + },
- + {},
- +};
- +MODULE_DEVICE_TABLE(of, talitos_match);
- +
- +static struct of_platform_driver talitos_driver = {
- + .name = "talitos",
- + .match_table = talitos_match,
- + .probe = talitos_probe,
- + .remove = __devexit_p(talitos_remove),
- +};
- +
- +static int __init talitos_init(void)
- +{
- + return of_register_platform_driver(&talitos_driver);
- +}
- +module_init(talitos_init);
- +
- +static void __exit talitos_exit(void)
- +{
- + of_unregister_platform_driver(&talitos_driver);
- +}
- +module_exit(talitos_exit);
- +
- +MODULE_LICENSE("GPL");
- +MODULE_AUTHOR("Kim Phillips <[email protected]>");
- +MODULE_DESCRIPTION("Freescale integrated security engine (SEC) driver");
- --- /dev/null
- +++ b/drivers/crypto/talitos.h
- @@ -0,0 +1,199 @@
- +/*
- + * Freescale SEC (talitos) device register and descriptor header defines
- + *
- + * Copyright (c) 2006-2008 Freescale Semiconductor, Inc.
- + *
- + * Redistribution and use in source and binary forms, with or without
- + * modification, are permitted provided that the following conditions
- + * are met:
- + *
- + * 1. Redistributions of source code must retain the above copyright
- + * notice, this list of conditions and the following disclaimer.
- + * 2. Redistributions in binary form must reproduce the above copyright
- + * notice, this list of conditions and the following disclaimer in the
- + * documentation and/or other materials provided with the distribution.
- + * 3. The name of the author may not be used to endorse or promote products
- + * derived from this software without specific prior written permission.
- + *
- + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- + *
- + */
- +
- +/*
- + * TALITOS_xxx_LO addresses point to the low data bits (32-63) of the register
- + */
- +
- +/* global register offset addresses */
- +#define TALITOS_MCR 0x1030 /* master control register */
- +#define TALITOS_MCR_LO 0x1038
- +#define TALITOS_MCR_SWR 0x1 /* s/w reset */
- +#define TALITOS_IMR 0x1008 /* interrupt mask register */
- +#define TALITOS_IMR_INIT 0x10fff /* enable channel IRQs */
- +#define TALITOS_IMR_LO 0x100C
- +#define TALITOS_IMR_LO_INIT 0x20000 /* allow RNGU error IRQs */
- +#define TALITOS_ISR 0x1010 /* interrupt status register */
- +#define TALITOS_ISR_CHERR 0xaa /* channel errors mask */
- +#define TALITOS_ISR_CHDONE 0x55 /* channel done mask */
- +#define TALITOS_ISR_LO 0x1014
- +#define TALITOS_ICR 0x1018 /* interrupt clear register */
- +#define TALITOS_ICR_LO 0x101C
- +
- +/* channel register address stride */
- +#define TALITOS_CH_STRIDE 0x100
- +
- +/* channel configuration register */
- +#define TALITOS_CCCR(ch) (ch * TALITOS_CH_STRIDE + 0x1108)
- +#define TALITOS_CCCR_CONT 0x2 /* channel continue */
- +#define TALITOS_CCCR_RESET 0x1 /* channel reset */
- +#define TALITOS_CCCR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x110c)
- +#define TALITOS_CCCR_LO_CDWE 0x10 /* chan. done writeback enab. */
- +#define TALITOS_CCCR_LO_NT 0x4 /* notification type */
- +#define TALITOS_CCCR_LO_CDIE 0x2 /* channel done IRQ enable */
- +
- +/* CCPSR: channel pointer status register */
- +#define TALITOS_CCPSR(ch) (ch * TALITOS_CH_STRIDE + 0x1110)
- +#define TALITOS_CCPSR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1114)
- +#define TALITOS_CCPSR_LO_DOF 0x8000 /* double FF write oflow error */
- +#define TALITOS_CCPSR_LO_SOF 0x4000 /* single FF write oflow error */
- +#define TALITOS_CCPSR_LO_MDTE 0x2000 /* master data transfer error */
- +#define TALITOS_CCPSR_LO_SGDLZ 0x1000 /* s/g data len zero error */
- +#define TALITOS_CCPSR_LO_FPZ 0x0800 /* fetch ptr zero error */
- +#define TALITOS_CCPSR_LO_IDH 0x0400 /* illegal desc hdr error */
- +#define TALITOS_CCPSR_LO_IEU 0x0200 /* invalid EU error */
- +#define TALITOS_CCPSR_LO_EU 0x0100 /* EU error detected */
- +#define TALITOS_CCPSR_LO_GB 0x0080 /* gather boundary error */
- +#define TALITOS_CCPSR_LO_GRL 0x0040 /* gather return/length error */
- +#define TALITOS_CCPSR_LO_SB 0x0020 /* scatter boundary error */
- +#define TALITOS_CCPSR_LO_SRL 0x0010 /* scatter return/length error */
- +
- +/* channel fetch fifo register */
- +#define TALITOS_FF(ch) (ch * TALITOS_CH_STRIDE + 0x1148)
- +#define TALITOS_FF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x114c)
- +
- +/* current descriptor pointer register */
- +#define TALITOS_CDPR(ch) (ch * TALITOS_CH_STRIDE + 0x1140)
- +#define TALITOS_CDPR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1144)
- +
- +/* descriptor buffer register */
- +#define TALITOS_DESCBUF(ch) (ch * TALITOS_CH_STRIDE + 0x1180)
- +#define TALITOS_DESCBUF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1184)
- +
- +/* gather link table */
- +#define TALITOS_GATHER(ch) (ch * TALITOS_CH_STRIDE + 0x11c0)
- +#define TALITOS_GATHER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11c4)
- +
- +/* scatter link table */
- +#define TALITOS_SCATTER(ch) (ch * TALITOS_CH_STRIDE + 0x11e0)
- +#define TALITOS_SCATTER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11e4)
- +
- +/* execution unit interrupt status registers */
- +#define TALITOS_DEUISR 0x2030 /* DES unit */
- +#define TALITOS_DEUISR_LO 0x2034
- +#define TALITOS_AESUISR 0x4030 /* AES unit */
- +#define TALITOS_AESUISR_LO 0x4034
- +#define TALITOS_MDEUISR 0x6030 /* message digest unit */
- +#define TALITOS_MDEUISR_LO 0x6034
- +#define TALITOS_AFEUISR 0x8030 /* arc4 unit */
- +#define TALITOS_AFEUISR_LO 0x8034
- +#define TALITOS_RNGUISR 0xa030 /* random number unit */
- +#define TALITOS_RNGUISR_LO 0xa034
- +#define TALITOS_RNGUSR 0xa028 /* rng status */
- +#define TALITOS_RNGUSR_LO 0xa02c
- +#define TALITOS_RNGUSR_LO_RD 0x1 /* reset done */
- +#define TALITOS_RNGUSR_LO_OFL 0xff0000/* output FIFO length */
- +#define TALITOS_RNGUDSR 0xa010 /* data size */
- +#define TALITOS_RNGUDSR_LO 0xa014
- +#define TALITOS_RNGU_FIFO 0xa800 /* output FIFO */
- +#define TALITOS_RNGU_FIFO_LO 0xa804 /* output FIFO */
- +#define TALITOS_RNGURCR 0xa018 /* reset control */
- +#define TALITOS_RNGURCR_LO 0xa01c
- +#define TALITOS_RNGURCR_LO_SR 0x1 /* software reset */
- +#define TALITOS_PKEUISR 0xc030 /* public key unit */
- +#define TALITOS_PKEUISR_LO 0xc034
- +#define TALITOS_KEUISR 0xe030 /* kasumi unit */
- +#define TALITOS_KEUISR_LO 0xe034
- +#define TALITOS_CRCUISR 0xf030 /* cyclic redundancy check unit*/
- +#define TALITOS_CRCUISR_LO 0xf034
- +
- +/*
- + * talitos descriptor header (hdr) bits
- + */
- +
- +/* written back when done */
- +#define DESC_HDR_DONE __constant_cpu_to_be32(0xff000000)
- +
- +/* primary execution unit select */
- +#define DESC_HDR_SEL0_MASK __constant_cpu_to_be32(0xf0000000)
- +#define DESC_HDR_SEL0_AFEU __constant_cpu_to_be32(0x10000000)
- +#define DESC_HDR_SEL0_DEU __constant_cpu_to_be32(0x20000000)
- +#define DESC_HDR_SEL0_MDEUA __constant_cpu_to_be32(0x30000000)
- +#define DESC_HDR_SEL0_MDEUB __constant_cpu_to_be32(0xb0000000)
- +#define DESC_HDR_SEL0_RNG __constant_cpu_to_be32(0x40000000)
- +#define DESC_HDR_SEL0_PKEU __constant_cpu_to_be32(0x50000000)
- +#define DESC_HDR_SEL0_AESU __constant_cpu_to_be32(0x60000000)
- +#define DESC_HDR_SEL0_KEU __constant_cpu_to_be32(0x70000000)
- +#define DESC_HDR_SEL0_CRCU __constant_cpu_to_be32(0x80000000)
- +
- +/* primary execution unit mode (MODE0) and derivatives */
- +#define DESC_HDR_MODE0_ENCRYPT __constant_cpu_to_be32(0x00100000)
- +#define DESC_HDR_MODE0_AESU_CBC __constant_cpu_to_be32(0x00200000)
- +#define DESC_HDR_MODE0_DEU_CBC __constant_cpu_to_be32(0x00400000)
- +#define DESC_HDR_MODE0_DEU_3DES __constant_cpu_to_be32(0x00200000)
- +#define DESC_HDR_MODE0_MDEU_INIT __constant_cpu_to_be32(0x01000000)
- +#define DESC_HDR_MODE0_MDEU_HMAC __constant_cpu_to_be32(0x00800000)
- +#define DESC_HDR_MODE0_MDEU_PAD __constant_cpu_to_be32(0x00400000)
- +#define DESC_HDR_MODE0_MDEU_MD5 __constant_cpu_to_be32(0x00200000)
- +#define DESC_HDR_MODE0_MDEU_SHA256 __constant_cpu_to_be32(0x00100000)
- +#define DESC_HDR_MODE0_MDEU_SHA1 __constant_cpu_to_be32(0x00000000)
- +#define DESC_HDR_MODE0_MDEU_MD5_HMAC (DESC_HDR_MODE0_MDEU_MD5 | \
- + DESC_HDR_MODE0_MDEU_HMAC)
- +#define DESC_HDR_MODE0_MDEU_SHA256_HMAC (DESC_HDR_MODE0_MDEU_SHA256 | \
- + DESC_HDR_MODE0_MDEU_HMAC)
- +#define DESC_HDR_MODE0_MDEU_SHA1_HMAC (DESC_HDR_MODE0_MDEU_SHA1 | \
- + DESC_HDR_MODE0_MDEU_HMAC)
- +
- +/* secondary execution unit select (SEL1) */
- +#define DESC_HDR_SEL1_MASK __constant_cpu_to_be32(0x000f0000)
- +#define DESC_HDR_SEL1_MDEUA __constant_cpu_to_be32(0x00030000)
- +#define DESC_HDR_SEL1_MDEUB __constant_cpu_to_be32(0x000b0000)
- +#define DESC_HDR_SEL1_CRCU __constant_cpu_to_be32(0x00080000)
- +
- +/* secondary execution unit mode (MODE1) and derivatives */
- +#define DESC_HDR_MODE1_MDEU_INIT __constant_cpu_to_be32(0x00001000)
- +#define DESC_HDR_MODE1_MDEU_HMAC __constant_cpu_to_be32(0x00000800)
- +#define DESC_HDR_MODE1_MDEU_PAD __constant_cpu_to_be32(0x00000400)
- +#define DESC_HDR_MODE1_MDEU_MD5 __constant_cpu_to_be32(0x00000200)
- +#define DESC_HDR_MODE1_MDEU_SHA256 __constant_cpu_to_be32(0x00000100)
- +#define DESC_HDR_MODE1_MDEU_SHA1 __constant_cpu_to_be32(0x00000000)
- +#define DESC_HDR_MODE1_MDEU_MD5_HMAC (DESC_HDR_MODE1_MDEU_MD5 | \
- + DESC_HDR_MODE1_MDEU_HMAC)
- +#define DESC_HDR_MODE1_MDEU_SHA256_HMAC (DESC_HDR_MODE1_MDEU_SHA256 | \
- + DESC_HDR_MODE1_MDEU_HMAC)
- +#define DESC_HDR_MODE1_MDEU_SHA1_HMAC (DESC_HDR_MODE1_MDEU_SHA1 | \
- + DESC_HDR_MODE1_MDEU_HMAC)
- +
- +/* direction of overall data flow (DIR) */
- +#define DESC_HDR_DIR_INBOUND __constant_cpu_to_be32(0x00000002)
- +
- +/* request done notification (DN) */
- +#define DESC_HDR_DONE_NOTIFY __constant_cpu_to_be32(0x00000001)
- +
- +/* descriptor types */
- +#define DESC_HDR_TYPE_AESU_CTR_NONSNOOP __constant_cpu_to_be32(0 << 3)
- +#define DESC_HDR_TYPE_IPSEC_ESP __constant_cpu_to_be32(1 << 3)
- +#define DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU __constant_cpu_to_be32(2 << 3)
- +#define DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU __constant_cpu_to_be32(4 << 3)
- +
- +/* link table extent field bits */
- +#define DESC_PTR_LNKTBL_JUMP 0x80
- +#define DESC_PTR_LNKTBL_RETURN 0x02
- +#define DESC_PTR_LNKTBL_NEXT 0x01
- --- /dev/null
- +++ b/include/crypto/hash.h
- @@ -0,0 +1,154 @@
- +/*
- + * Hash: Hash algorithms under the crypto API
- + *
- + * Copyright (c) 2008 Herbert Xu <[email protected]>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the Free
- + * Software Foundation; either version 2 of the License, or (at your option)
- + * any later version.
- + *
- + */
- +
- +#ifndef _CRYPTO_HASH_H
- +#define _CRYPTO_HASH_H
- +
- +#include <linux/crypto.h>
- +
- +struct crypto_ahash {
- + struct crypto_tfm base;
- +};
- +
- +static inline struct crypto_ahash *__crypto_ahash_cast(struct crypto_tfm *tfm)
- +{
- + return (struct crypto_ahash *)tfm;
- +}
- +
- +static inline struct crypto_ahash *crypto_alloc_ahash(const char *alg_name,
- + u32 type, u32 mask)
- +{
- + type &= ~CRYPTO_ALG_TYPE_MASK;
- + mask &= ~CRYPTO_ALG_TYPE_MASK;
- + type |= CRYPTO_ALG_TYPE_AHASH;
- + mask |= CRYPTO_ALG_TYPE_AHASH_MASK;
- +
- + return __crypto_ahash_cast(crypto_alloc_base(alg_name, type, mask));
- +}
- +
- +static inline struct crypto_tfm *crypto_ahash_tfm(struct crypto_ahash *tfm)
- +{
- + return &tfm->base;
- +}
- +
- +static inline void crypto_free_ahash(struct crypto_ahash *tfm)
- +{
- + crypto_free_tfm(crypto_ahash_tfm(tfm));
- +}
- +
- +static inline unsigned int crypto_ahash_alignmask(
- + struct crypto_ahash *tfm)
- +{
- + return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm));
- +}
- +
- +static inline struct ahash_tfm *crypto_ahash_crt(struct crypto_ahash *tfm)
- +{
- + return &crypto_ahash_tfm(tfm)->crt_ahash;
- +}
- +
- +static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
- +{
- + return crypto_ahash_crt(tfm)->digestsize;
- +}
- +
- +static inline u32 crypto_ahash_get_flags(struct crypto_ahash *tfm)
- +{
- + return crypto_tfm_get_flags(crypto_ahash_tfm(tfm));
- +}
- +
- +static inline void crypto_ahash_set_flags(struct crypto_ahash *tfm, u32 flags)
- +{
- + crypto_tfm_set_flags(crypto_ahash_tfm(tfm), flags);
- +}
- +
- +static inline void crypto_ahash_clear_flags(struct crypto_ahash *tfm, u32 flags)
- +{
- + crypto_tfm_clear_flags(crypto_ahash_tfm(tfm), flags);
- +}
- +
- +static inline struct crypto_ahash *crypto_ahash_reqtfm(
- + struct ahash_request *req)
- +{
- + return __crypto_ahash_cast(req->base.tfm);
- +}
- +
- +static inline unsigned int crypto_ahash_reqsize(struct crypto_ahash *tfm)
- +{
- + return crypto_ahash_crt(tfm)->reqsize;
- +}
- +
- +static inline int crypto_ahash_setkey(struct crypto_ahash *tfm,
- + const u8 *key, unsigned int keylen)
- +{
- + struct ahash_tfm *crt = crypto_ahash_crt(tfm);
- +
- + return crt->setkey(tfm, key, keylen);
- +}
- +
- +static inline int crypto_ahash_digest(struct ahash_request *req)
- +{
- + struct ahash_tfm *crt = crypto_ahash_crt(crypto_ahash_reqtfm(req));
- + return crt->digest(req);
- +}
- +
- +static inline void ahash_request_set_tfm(struct ahash_request *req,
- + struct crypto_ahash *tfm)
- +{
- + req->base.tfm = crypto_ahash_tfm(tfm);
- +}
- +
- +static inline struct ahash_request *ahash_request_alloc(
- + struct crypto_ahash *tfm, gfp_t gfp)
- +{
- + struct ahash_request *req;
- +
- + req = kmalloc(sizeof(struct ahash_request) +
- + crypto_ahash_reqsize(tfm), gfp);
- +
- + if (likely(req))
- + ahash_request_set_tfm(req, tfm);
- +
- + return req;
- +}
- +
- +static inline void ahash_request_free(struct ahash_request *req)
- +{
- + kfree(req);
- +}
- +
- +static inline struct ahash_request *ahash_request_cast(
- + struct crypto_async_request *req)
- +{
- + return container_of(req, struct ahash_request, base);
- +}
- +
- +static inline void ahash_request_set_callback(struct ahash_request *req,
- + u32 flags,
- + crypto_completion_t complete,
- + void *data)
- +{
- + req->base.complete = complete;
- + req->base.data = data;
- + req->base.flags = flags;
- +}
- +
- +static inline void ahash_request_set_crypt(struct ahash_request *req,
- + struct scatterlist *src, u8 *result,
- + unsigned int nbytes)
- +{
- + req->src = src;
- + req->nbytes = nbytes;
- + req->result = result;
- +}
- +
- +#endif /* _CRYPTO_HASH_H */
- --- /dev/null
- +++ b/include/crypto/internal/hash.h
- @@ -0,0 +1,78 @@
- +/*
- + * Hash algorithms.
- + *
- + * Copyright (c) 2008 Herbert Xu <[email protected]>
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the Free
- + * Software Foundation; either version 2 of the License, or (at your option)
- + * any later version.
- + *
- + */
- +
- +#ifndef _CRYPTO_INTERNAL_HASH_H
- +#define _CRYPTO_INTERNAL_HASH_H
- +
- +#include <crypto/algapi.h>
- +#include <crypto/hash.h>
- +
- +struct ahash_request;
- +struct scatterlist;
- +
- +struct crypto_hash_walk {
- + char *data;
- +
- + unsigned int offset;
- + unsigned int alignmask;
- +
- + struct page *pg;
- + unsigned int entrylen;
- +
- + unsigned int total;
- + struct scatterlist *sg;
- +
- + unsigned int flags;
- +};
- +
- +extern const struct crypto_type crypto_ahash_type;
- +
- +int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
- +int crypto_hash_walk_first(struct ahash_request *req,
- + struct crypto_hash_walk *walk);
- +
- +static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
- +{
- + return crypto_tfm_ctx(&tfm->base);
- +}
- +
- +static inline struct ahash_alg *crypto_ahash_alg(
- + struct crypto_ahash *tfm)
- +{
- + return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
- +}
- +
- +static inline int ahash_enqueue_request(struct crypto_queue *queue,
- + struct ahash_request *request)
- +{
- + return crypto_enqueue_request(queue, &request->base);
- +}
- +
- +static inline struct ahash_request *ahash_dequeue_request(
- + struct crypto_queue *queue)
- +{
- + return ahash_request_cast(crypto_dequeue_request(queue));
- +}
- +
- +static inline void *ahash_request_ctx(struct ahash_request *req)
- +{
- + return req->__ctx;
- +}
- +
- +static inline int ahash_tfm_in_queue(struct crypto_queue *queue,
- + struct crypto_ahash *tfm)
- +{
- + return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm));
- +}
- +
- +#endif /* _CRYPTO_INTERNAL_HASH_H */
- +
- --- a/include/linux/crypto.h
- +++ b/include/linux/crypto.h
- @@ -30,15 +30,17 @@
- */
- #define CRYPTO_ALG_TYPE_MASK 0x0000000f
- #define CRYPTO_ALG_TYPE_CIPHER 0x00000001
- -#define CRYPTO_ALG_TYPE_DIGEST 0x00000002
- -#define CRYPTO_ALG_TYPE_HASH 0x00000003
- +#define CRYPTO_ALG_TYPE_COMPRESS 0x00000002
- +#define CRYPTO_ALG_TYPE_AEAD 0x00000003
- #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004
- #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005
- #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006
- -#define CRYPTO_ALG_TYPE_COMPRESS 0x00000008
- -#define CRYPTO_ALG_TYPE_AEAD 0x00000009
- +#define CRYPTO_ALG_TYPE_DIGEST 0x00000008
- +#define CRYPTO_ALG_TYPE_HASH 0x00000009
- +#define CRYPTO_ALG_TYPE_AHASH 0x0000000a
-
- #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e
- +#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c
- #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c
-
- #define CRYPTO_ALG_LARVAL 0x00000010
- @@ -102,6 +104,7 @@ struct crypto_async_request;
- struct crypto_aead;
- struct crypto_blkcipher;
- struct crypto_hash;
- +struct crypto_ahash;
- struct crypto_tfm;
- struct crypto_type;
- struct aead_givcrypt_request;
- @@ -131,6 +134,16 @@ struct ablkcipher_request {
- void *__ctx[] CRYPTO_MINALIGN_ATTR;
- };
-
- +struct ahash_request {
- + struct crypto_async_request base;
- +
- + unsigned int nbytes;
- + struct scatterlist *src;
- + u8 *result;
- +
- + void *__ctx[] CRYPTO_MINALIGN_ATTR;
- +};
- +
- /**
- * struct aead_request - AEAD request
- * @base: Common attributes for async crypto requests
- @@ -195,6 +208,17 @@ struct ablkcipher_alg {
- unsigned int ivsize;
- };
-
- +struct ahash_alg {
- + int (*init)(struct ahash_request *req);
- + int (*update)(struct ahash_request *req);
- + int (*final)(struct ahash_request *req);
- + int (*digest)(struct ahash_request *req);
- + int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
- + unsigned int keylen);
- +
- + unsigned int digestsize;
- +};
- +
- struct aead_alg {
- int (*setkey)(struct crypto_aead *tfm, const u8 *key,
- unsigned int keylen);
- @@ -272,6 +296,7 @@ struct compress_alg {
- #define cra_cipher cra_u.cipher
- #define cra_digest cra_u.digest
- #define cra_hash cra_u.hash
- +#define cra_ahash cra_u.ahash
- #define cra_compress cra_u.compress
-
- struct crypto_alg {
- @@ -298,6 +323,7 @@ struct crypto_alg {
- struct cipher_alg cipher;
- struct digest_alg digest;
- struct hash_alg hash;
- + struct ahash_alg ahash;
- struct compress_alg compress;
- } cra_u;
-
- @@ -383,6 +409,18 @@ struct hash_tfm {
- unsigned int digestsize;
- };
-
- +struct ahash_tfm {
- + int (*init)(struct ahash_request *req);
- + int (*update)(struct ahash_request *req);
- + int (*final)(struct ahash_request *req);
- + int (*digest)(struct ahash_request *req);
- + int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
- + unsigned int keylen);
- +
- + unsigned int digestsize;
- + unsigned int reqsize;
- +};
- +
- struct compress_tfm {
- int (*cot_compress)(struct crypto_tfm *tfm,
- const u8 *src, unsigned int slen,
- @@ -397,6 +435,7 @@ struct compress_tfm {
- #define crt_blkcipher crt_u.blkcipher
- #define crt_cipher crt_u.cipher
- #define crt_hash crt_u.hash
- +#define crt_ahash crt_u.ahash
- #define crt_compress crt_u.compress
-
- struct crypto_tfm {
- @@ -409,6 +448,7 @@ struct crypto_tfm {
- struct blkcipher_tfm blkcipher;
- struct cipher_tfm cipher;
- struct hash_tfm hash;
- + struct ahash_tfm ahash;
- struct compress_tfm compress;
- } crt_u;
-
|