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@@ -0,0 +1,65 @@
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+#include "aes.h"
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+#include <stdio.h>
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+#include <stdlib.h>
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+
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+#if defined(AES256) && (AES256 == 1)
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+#define AES_KEYSIZE 256
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+#elif defined(AES192) && (AES192 == 1)
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+#define AES_KEYSIZE 192
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+#else
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+#define AES_KEYSIZE 128
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+#endif
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+
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+
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+static aes_context ctx_de;
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+static aes_context ctx_en;
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+inline void init_de()
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+{
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+ static int done=0;
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+ if(done==0)
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+ {
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+ aes_init( &ctx_de );
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+ done=1;
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+ }
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+}
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+inline void init_en()
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+{
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+ static int done=0;
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+ if(done==0)
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+ {
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+ aes_init( &ctx_en);
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+ done=1;
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+ }
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+}
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+void AES_ECB_encrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length)
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+{
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+ init_en();
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+ printf("AES_ECB_encrypt not implemented\n");
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+ exit(-1);
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+}
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+void AES_ECB_decrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length)
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+{
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+ init_de();
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+ printf("AES_ECB_encrypt not implemented\n");
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+ exit(-1);
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+}
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+
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+void AES_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
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+{
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+ char tmp_iv[16];
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+ init_en();
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+ if(key!=0) aes_setkey_enc(&ctx_en,key,AES_KEYSIZE);
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+
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+ memcpy(tmp_iv,iv,16);
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+ aes_crypt_cbc( &ctx_en, AES_ENCRYPT, length, (unsigned char* )tmp_iv, (const unsigned char*)input,(unsigned char*) output );
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+ return ;
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+}
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+void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
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+{
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+ char tmp_iv[16];
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+ init_de();
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+ if(key!=0) aes_setkey_dec(&ctx_de,key,AES_KEYSIZE);
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+ memcpy(tmp_iv,iv,16);
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+ aes_crypt_cbc( &ctx_de, AES_DECRYPT, length, (unsigned char*)tmp_iv, (const unsigned char*)input, (unsigned char*) output );
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+ return;
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+}
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