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/**
* @file hasher_test.h
*
* @brief Tests for the hasher_t classes.
*
*/
/*
* 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_test.h"
#include <utils/allocator.h>
/*
* described in Header-File
*/
void test_md5_hasher(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);
hasher->destroy(hasher);
}
/*
* described in Header-File
*/
void test_sha1_hasher(tester_t *tester)
{
/*
* Test Vectors (from FIPS PUB 180-1)
* "abc"
* A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
* "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
* 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
* A million repetitions of "a"
* 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
*/
hasher_t *hasher = hasher_create(HASH_SHA1);
u_int8_t hash_buffer[20];
chunk_t abc, abcdb, aaa, hash_chunk;
u_int32_t i;
u_int8_t hash_abc[] = {
0xA9,0x99,0x3E,0x36,
0x47,0x06,0x81,0x6A,
0xBA,0x3E,0x25,0x71,
0x78,0x50,0xC2,0x6C,
0x9C,0xD0,0xD8,0x9D
};
u_int8_t hash_abcdb[] = {
0x84,0x98,0x3E,0x44,
0x1C,0x3B,0xD2,0x6E,
0xBA,0xAE,0x4A,0xA1,
0xF9,0x51,0x29,0xE5,
0xE5,0x46,0x70,0xF1
};
u_int8_t hash_aaa[] = {
0x34,0xAA,0x97,0x3C,
0xD4,0xC4,0xDA,0xA4,
0xF6,0x1E,0xEB,0x2B,
0xDB,0xAD,0x27,0x31,
0x65,0x34,0x01,0x6F
};
abc.ptr = "abc";
abc.len = 3;
abcdb.ptr = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
abcdb.len = strlen(abcdb.ptr);
aaa.ptr = "aaaaaaaaaa"; /* 10 a's */
aaa.len = 10;
tester->assert_true(tester, hasher->get_block_size(hasher) == 20, "block size");
/* simple hashing, using "abc" */
hasher->get_hash(hasher, abc, hash_buffer);
tester->assert_false(tester, memcmp(hash_buffer, hash_abc, 20), "hash for abc");
/* with allocation, using "abcdb..." */
hasher->reset(hasher);
hasher->allocate_hash(hasher, abcdb, &hash_chunk);
tester->assert_true(tester, hash_chunk.len == 20, "chunk len");
tester->assert_false(tester, memcmp(hash_chunk.ptr, hash_abcdb, hash_chunk.len), "hash for abcdb...");
allocator_free(hash_chunk.ptr);
/* updating, using "aaaaaaa..." */
hasher->reset(hasher);
for(i=0; i<100000; i++)
{
if (i != 99999)
{
hasher->get_hash(hasher, aaa, NULL);
}
else
{
hasher->get_hash(hasher, aaa, hash_buffer);
}
}
tester->assert_false(tester, memcmp(hash_buffer, hash_aaa, 20), "hash for aaa...");
hasher->destroy(hasher);
}
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