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77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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* Copyright (C) 2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup unittests
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* @{
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*
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* @file
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* @brief Test cases for the MD5 hash implementation
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include <string.h>
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#include "embUnit/embUnit.h"
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#include "hashes/md5.h"
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#define MD5_DIGEST_LENGTH (16U)
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static int calc_and_compare_hash(const char *str, const char *expected)
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{
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uint8_t hash[MD5_DIGEST_LENGTH];
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char tmp[(2 * MD5_DIGEST_LENGTH) + 1];
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/* calculate hash */
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md5(hash, (const uint8_t *)str, strlen(str));
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/* copy hash to string */
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for (size_t i = 0; i < MD5_DIGEST_LENGTH; i++) {
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sprintf(&(tmp[i * 2]), "%02x", hash[i]);
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}
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tmp[MD5_DIGEST_LENGTH * 2] = '\0';
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/* compare with result string */
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return strncmp(tmp, expected, strlen(tmp));
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}
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/* test cases copied from appendix A.5 of RFC 1321 */
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static void test_hashes_md5(void)
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{
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TEST_ASSERT(calc_and_compare_hash("",
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"d41d8cd98f00b204e9800998ecf8427e") == 0);
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TEST_ASSERT(calc_and_compare_hash("a",
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"0cc175b9c0f1b6a831c399e269772661") == 0);
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TEST_ASSERT(calc_and_compare_hash("abc",
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"900150983cd24fb0d6963f7d28e17f72") == 0);
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TEST_ASSERT(calc_and_compare_hash("message digest",
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"f96b697d7cb7938d525a2f31aaf161d0") == 0);
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TEST_ASSERT(calc_and_compare_hash("abcdefghijklmnopqrstuvwxyz",
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"c3fcd3d76192e4007dfb496cca67e13b") == 0);
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TEST_ASSERT(calc_and_compare_hash(
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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"d174ab98d277d9f5a5611c2c9f419d9f") == 0);
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TEST_ASSERT(calc_and_compare_hash(
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"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
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"57edf4a22be3c955ac49da2e2107b67a") == 0);
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}
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Test *tests_hashes_md5_tests(void)
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{
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EMB_UNIT_TESTFIXTURES(fixtures) {
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new_TestFixture(test_hashes_md5),
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};
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EMB_UNIT_TESTCALLER(test_hashes_md5, NULL, NULL, fixtures);
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return (Test *)&test_hashes_md5;
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}
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