Merge pull request #4734 from TimWolla/argon2-php

Add test to verify Argon2 works in PHP

test/config.sh

@@ -144,6 +144,7 @@ imageTests+=(
 	[php]='
 		php-ext-install
 		php-hello-world
+		php-argon2
 	'
 	[php:apache]='
 		php-apache-hello-web

test/tests/php-argon2/container.php

@@ -0,0 +1,35 @@
+<?php
+if (file_exists('/etc/alpine-release')) {
+	if (version_compare(file_get_contents('/etc/alpine-release'), '3.8.0') < 0) {
+		echo "Skipping test; Alpine < 3.8";
+		exit(0);
+	}
+}
+else if (file_exists('/etc/debian_version')) {
+	if (version_compare(file_get_contents('/etc/debian_version'), '9.0') < 0) {
+		echo "Skipping test; Debian < 9.0";
+		exit(0);
+	}
+}
+else {
+	echo "FAIL: Unknown base image (neither /etc/alpine-release nor /etc/debian_version exists).\n";
+	exit(1);
+}
+
+if (version_compare(PHP_VERSION, '7.2.0') < 0) {
+	echo "Skipping test; PHP < 7.2";
+	exit(0);
+}
+
+if (!defined('PASSWORD_ARGON2I')) {
+	echo "FAIL: Constant PASSWORD_ARGON2I is not defined.\n";
+	exit(1);
+}
+
+// Test vector generated using:
+// var_dump(password_hash('password', PASSWORD_ARGON2I, ['memory_cost' => 1<<3, 'time_cost' => 1, 'threads' => 1]));
+if (!password_verify('password', '$argon2i$v=19$m=8,t=1,p=1$RWxaRlZ0d1FTa3RSY1c1OQ$c7a/rJlPgvH9ItPi74UGuh0tdCBhpdDF7b/nA3QweX8')) {
+	echo "FAIL: Failed to check test vector.\n";
+	exit(1);
+}
+exit(0);

test/tests/php-argon2/run.sh

@@ -0,0 +1 @@
+../run-php-in-container.sh