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cryb-to/t/t_hmac_sha224.c
2017-03-14 15:07:02 +01:00

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/*-
* Copyright (c) 2012 The University of Oslo
* Copyright (c) 2012-2016 Dag-Erling Smørgrav
* All rights reserved.
*
* 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.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 "cryb/impl.h"
#include <sys/types.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <cryb/test.h>
#if WITH_OPENSSL
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/sha.h>
#define HMAC_SHA224_MAC_LEN SHA224_DIGEST_LENGTH
static void
t_hmac_sha224_complete(const void *key, size_t keylen,
const void *msg, size_t msglen, uint8_t *mac)
{
HMAC_CTX ctx;
HMAC_CTX_init(&ctx);
HMAC_Init_ex(&ctx, key, keylen, EVP_sha224(), NULL);
HMAC_Update(&ctx, msg, msglen);
HMAC_Final(&ctx, mac, NULL);
HMAC_CTX_cleanup(&ctx);
}
#else
#include <cryb/sha224.h>
#include <cryb/hmac.h>
#define t_hmac_sha224_complete(key, keylen, msg, msglen, mac) \
hmac_sha224_complete(key, keylen, msg, msglen, mac)
#endif
/*
* Test vectors from NIST CSRC
* http://csrc.nist.gov/groups/ST/toolkit/examples.html
*/
static struct t_vector {
const char *desc;
const uint8_t *key;
size_t keylen;
const char *msg;
const uint8_t mac[HMAC_SHA224_MAC_LEN];
} t_hmac_sha224_vectors[] = {
{
"zero-length key, zero-length message",
t_zero,
0,
"",
{
0x5c, 0xe1, 0x4f, 0x72, 0x89, 0x46, 0x62, 0x21,
0x3e, 0x27, 0x48, 0xd2, 0xa6, 0xba, 0x23, 0x4b,
0x74, 0x26, 0x39, 0x10, 0xce, 0xdd, 0xe2, 0xf5,
0xa9, 0x27, 0x15, 0x24,
},
},
{
"NIST CSRC example 1 (64-byte key)",
t_seq8,
64,
"Sample message for keylen=blocklen",
{
0xc7, 0x40, 0x5e, 0x3a, 0xe0, 0x58, 0xe8, 0xcd,
0x30, 0xb0, 0x8b, 0x41, 0x40, 0x24, 0x85, 0x81,
0xed, 0x17, 0x4c, 0xb3, 0x4e, 0x12, 0x24, 0xbc,
0xc1, 0xef, 0xc8, 0x1b,
},
},
{
"NIST CSRC example 2 (28-byte key)",
t_seq8,
28,
"Sample message for keylen<blocklen",
{
0xe3, 0xd2, 0x49, 0xa8, 0xcf, 0xb6, 0x7e, 0xf8,
0xb7, 0xa1, 0x69, 0xe9, 0xa0, 0xa5, 0x99, 0x71,
0x4a, 0x2c, 0xec, 0xba, 0x65, 0x99, 0x9a, 0x51,
0xbe, 0xb8, 0xfb, 0xbe,
},
},
{
"NIST CSRC example 3 (100-byte key)",
t_seq8,
100,
/* yes, the text should say keylen>blocklen */
"Sample message for keylen=blocklen",
{
0x91, 0xc5, 0x25, 0x09, 0xe5, 0xaf, 0x85, 0x31,
0x60, 0x1a, 0xe6, 0x23, 0x00, 0x99, 0xd9, 0x0b,
0xef, 0x88, 0xaa, 0xef, 0xb9, 0x61, 0xf4, 0x08,
0x0a, 0xbc, 0x01, 0x4d,
},
},
{
"NIST CSRC example 4 (49-byte key)",
t_seq8,
49,
"Sample message for keylen<blocklen, with truncated tag",
{
0xd5, 0x22, 0xf1, 0xdf, 0x59, 0x6c, 0xa4, 0xb4,
0xb1, 0xc2, 0x3d, 0x27, 0xbd, 0xe0, 0x67, 0xd6,
0x15, 0x3b, 0xa9, 0x72, 0x5f, 0xd5, 0xcd, 0xe0,
0xaf, 0x4a, 0x2a, 0x42,
},
},
};
/*
* Unit test: compute the HMAC signature of the specified string with the
* specified key and compare it to the expected result.
*/
static int
t_hmac_sha224_vector(char **desc CRYB_UNUSED, void *arg)
{
struct t_vector *vector = (struct t_vector *)arg;
uint8_t mac[HMAC_SHA224_MAC_LEN];
t_hmac_sha224_complete(vector->key, vector->keylen,
(const uint8_t *)vector->msg, strlen(vector->msg),
mac);
return (t_compare_mem(vector->mac, mac, HMAC_SHA224_MAC_LEN));
}
/***************************************************************************
* Boilerplate
*/
static int
t_prepare(int argc, char *argv[])
{
int i, n;
(void)argc;
(void)argv;
n = sizeof t_hmac_sha224_vectors / sizeof t_hmac_sha224_vectors[0];
for (i = 0; i < n; ++i)
t_add_test(t_hmac_sha224_vector, &t_hmac_sha224_vectors[i],
"%s", t_hmac_sha224_vectors[i].desc);
return (0);
}
int
main(int argc, char *argv[])
{
t_main(t_prepare, NULL, argc, argv);
}