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/**
* @file hasher_md5_test.h
*
* @brief Tests the md5 hasher
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include <string.h>
#include "hasher_md5_test.h"
#include "../utils/allocator.h"
/*
* described in Header-File
*/
void test_hasher_md5(tester_t *tester)
{
/*
* Test vectors from RFC1321:
* MD5 ("") = d41d8cd98f00b204e9800998ecf8427e
* MD5 ("a") = 0cc175b9c0f1b6a831c399e269772661
* MD5 ("abc") = 900150983cd24fb0d6963f7d28e17f72
* MD5 ("message digest") = f96b697d7cb7938d525a2f31aaf161d0
* MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b
*
* currently testing "", "abc", "abcdefghijklmnopqrstuvwxyz"
*/
hasher_t *hasher = hasher_create(HASH_MD5);
u_int8_t hash_buffer[16];
chunk_t empty, abc, abcd, hash_chunk;
u_int8_t hash_empty[] = {
0xd4,0x1d,0x8c,0xd9,
0x8f,0x00,0xb2,0x04,
0xe9,0x80,0x09,0x98,
0xec,0xf8,0x42,0x7e
};
u_int8_t hash_abc[] = {
0x90,0x01,0x50,0x98,
0x3c,0xd2,0x4f,0xb0,
0xd6,0x96,0x3f,0x7d,
0x28,0xe1,0x7f,0x72
};
u_int8_t hash_abcd[] = {
0xc3,0xfc,0xd3,0xd7,
0x61,0x92,0xe4,0x00,
0x7d,0xfb,0x49,0x6c,
0xca,0x67,0xe1,0x3b
};
empty.ptr = "";
empty.len = 0;
abc.ptr = "abc";
abc.len = 3;
abcd.ptr = "abcdefghijklmnopqrstuvwxyz";
abcd.len = strlen(abcd.ptr);
tester->assert_true(tester, hasher->get_block_size(hasher) == 16, "block size");
/* simple hashing, using empty */
hasher->get_hash(hasher, empty, hash_buffer);
tester->assert_false(tester, memcmp(hash_buffer, hash_empty, 16), "hash for empty");
/* simple hashing, using "abc" */
hasher->get_hash(hasher, abc, hash_buffer);
tester->assert_false(tester, memcmp(hash_buffer, hash_abc, 16), "hash for abc");
/* with allocation, using "abcdb..." */
hasher->reset(hasher);
hasher->allocate_hash(hasher, abcd, &hash_chunk);
tester->assert_true(tester, hash_chunk.len == 16, "hash len");
tester->assert_false(tester, memcmp(hash_chunk.ptr, hash_abcd, hash_chunk.len), "hash for abcd...");
allocator_free(hash_chunk.ptr);
}
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