/* $NetBSD: t_hmac.c,v 1.1 2016/07/02 14:52:09 christos Exp $ */
/*-
* Copyright (c) 2016 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_hmac.c,v 1.1 2016/07/02 14:52:09 christos Exp $");
#include <atf-c.h>
#include <string.h>
#include <stdlib.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
static void
test(void)
{
uint8_t tmp1[EVP_MAX_MD_SIZE];
uint8_t tmp2[EVP_MAX_MD_SIZE];
uint8_t key[256];
uint8_t data[4096];
unsigned int tmp1len;
size_t tmp2len;
int stop;
void *e1;
const void *evps[] = {
EVP_md2(),
EVP_md4(),
EVP_md5(),
EVP_ripemd160(),
EVP_sha1(),
EVP_sha224(),
EVP_sha256(),
EVP_sha384(),
EVP_sha512(),
};
const char *names[] = {
"md2",
"md4",
"md5",
"rmd160",
"sha1",
"sha224",
"sha256",
"sha384",
"sha512",
};
for (size_t k = 0; k < sizeof(key); k++)
key[k] = k;
for (size_t d = 0; d < sizeof(data); d++)
data[d] = d % 256;
for (size_t t = 0; t < __arraycount(names); t++)
for (size_t i = 1; i < sizeof(key); i += 9)
for (size_t j = 3; j < sizeof(data); j += 111) {
stop = 0;
#ifdef DEBUG
printf("%s: keysize = %zu datasize = %zu\n", names[t],
i, j);
#endif
memset(tmp1, 0, sizeof(tmp1));
memset(tmp2, 0, sizeof(tmp2));
e1 = HMAC(evps[t], key, i, data, j, tmp1, &tmp1len);
ATF_REQUIRE(e1 != NULL);
tmp2len = hmac(names[t], key, i, data, j, tmp2,
sizeof(tmp2));
ATF_REQUIRE_MSG(tmp1len == tmp2len, "hash %s len %u "
"!= %zu", names[t], tmp1len, tmp2len);
for (size_t k = 0; k < tmp2len; k++)
if (tmp1[k] != tmp2[k]) {
#ifdef DEBUG
printf("%zu %.2x %.2x\n",
k, tmp1[k], tmp2[k]);
#endif
stop = 1;
break;
}
ATF_REQUIRE_MSG(!stop, "hash %s failed for "
"keylen=%zu, datalen=%zu", names[t], i, j);
}
}
ATF_TC(t_hmac);
ATF_TC_HEAD(t_hmac, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test hmac functions for consistent results");
}
ATF_TC_BODY(t_hmac, tc)
{
test();
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, t_hmac);
return atf_no_error();
}