[test] Add self-tests for MD5 algorithm

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/tests/md5_test.c

@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * MD5 tests
+ *
+ */
+
+#include <stdint.h>
+#include <ipxe/md5.h>
+#include <ipxe/test.h>
+#include "digest_test.h"
+
+/** An MD5 test vector */
+struct md5_test_vector {
+	/** Test data */
+	void *data;
+	/** Test data length */
+	size_t len;
+	/** Expected digest */
+	uint8_t digest[MD5_DIGEST_SIZE];
+};
+
+/** MD5 test vectors */
+static struct md5_test_vector md5_test_vectors[] = {
+	/* Test inputs borrowed from SHA-1 tests, with results
+	 * calculated using md5sum.
+	 */
+	{ NULL, 0,
+	  { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
+	    0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e } },
+	{ "abc", 3,
+	  { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0,
+	    0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 } },
+	{ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56,
+	  { 0x82, 0x15, 0xef, 0x07, 0x96, 0xa2, 0x0b, 0xca,
+	    0xaa, 0xe1, 0x16, 0xd3, 0x87, 0x6c, 0x66, 0x4a } },
+};
+
+/** MD5 test fragment lists */
+static struct digest_test_fragments md5_test_fragments[] = {
+	{ { 0, -1UL, } },
+	{ { 1, 1, 1, 1, 1, 1, 1, 1 } },
+	{ { 2, 0, 23, 4, 6, 1, 0 } },
+};
+
+/**
+ * Perform MD5 self-test
+ *
+ */
+static void md5_test_exec ( void ) {
+	struct digest_algorithm *digest = &md5_algorithm;
+	struct md5_test_vector *test;
+	unsigned int i;
+	unsigned int j;
+
+	for ( i = 0 ; i < ( sizeof ( md5_test_vectors ) /
+			    sizeof ( md5_test_vectors[0] ) ) ; i++ ) {
+		test = &md5_test_vectors[i];
+		/* Test with a single pass */
+		digest_ok ( digest, NULL, test->data, test->len, test->digest );
+		/* Test with fragment lists */
+		for ( j = 0 ; j < ( sizeof ( md5_test_fragments ) /
+				    sizeof ( md5_test_fragments[0] ) ) ; j++ ){
+			digest_ok ( digest, &md5_test_fragments[j],
+				    test->data, test->len, test->digest );
+		}
+	}
+}
+
+/** MD5 self-test */
+struct self_test md5_test __self_test = {
+	.name = "md5",
+	.exec = md5_test_exec,
+};

src/tests/tests.c

@@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 /* Drag in all applicable self-tests */
 REQUIRE_OBJECT ( list_test );
 REQUIRE_OBJECT ( byteswap_test );
+REQUIRE_OBJECT ( md5_test );
 REQUIRE_OBJECT ( sha1_test );
 REQUIRE_OBJECT ( sha256_test );
 REQUIRE_OBJECT ( hmac_drbg_test );