cryb-to/t/t_hmac_sha1.c

178 lines
4.6 KiB
C
Raw Normal View History

2014-07-04 11:18:53 +00:00
/*-
* Copyright (c) 2012 The University of Oslo
2014-07-04 11:18:53 +00:00
* Copyright (c) 2012 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 <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <cryb/test.h>
2014-07-04 11:18:53 +00:00
#if WITH_OPENSSL
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/sha.h>
2014-07-04 11:18:53 +00:00
#define HMAC_SHA1_MAC_LEN SHA_DIGEST_LENGTH
2014-07-04 11:18:53 +00:00
static void
2014-07-10 23:57:47 +00:00
t_hmac_sha1_complete(const void *key, size_t keylen,
2014-07-04 11:18:53 +00:00
const void *msg, size_t msglen, uint8_t *mac)
{
HMAC_CTX ctx;
HMAC_CTX_init(&ctx);
HMAC_Init_ex(&ctx, key, keylen, EVP_sha1(), NULL);
HMAC_Update(&ctx, msg, msglen);
HMAC_Final(&ctx, mac, NULL);
HMAC_CTX_cleanup(&ctx);
}
#else
#include <cryb/sha1.h>
#include <cryb/hmac.h>
2014-07-10 23:57:47 +00:00
#define t_hmac_sha1_complete(key, keylen, msg, msglen, mac) \
hmac_sha1_complete(key, keylen, msg, msglen, mac)
2014-07-04 11:18:53 +00:00
#endif
/*
* Test vectors from NIST CSRC
* http://csrc.nist.gov/groups/ST/toolkit/examples.html
2014-07-04 11:18:53 +00:00
*/
static struct t_vector {
const char *desc;
const uint8_t *key;
2014-07-04 11:18:53 +00:00
size_t keylen;
const char *msg;
2014-07-10 23:57:47 +00:00
const uint8_t mac[HMAC_SHA1_MAC_LEN];
} t_hmac_sha1_vectors[] = {
2014-07-04 11:18:53 +00:00
{
"zero-length key, zero-length message",
t_zero,
2014-07-04 11:18:53 +00:00
0,
"",
{
0xfb, 0xdb, 0x1d, 0x1b, 0x18, 0xaa, 0x6c, 0x08,
0x32, 0x4b, 0x7d, 0x64, 0xb7, 0x1f, 0xb7, 0x63,
0x70, 0x69, 0x0e, 0x1d,
},
},
{
"NIST CSRC example 1 (64-byte key)",
t_seq8,
2014-07-04 11:18:53 +00:00
64,
"Sample message for keylen=blocklen",
2014-07-04 11:18:53 +00:00
{
0x5f, 0xd5, 0x96, 0xee, 0x78, 0xd5, 0x55, 0x3c,
0x8f, 0xf4, 0xe7, 0x2d, 0x26, 0x6d, 0xfd, 0x19,
0x23, 0x66, 0xda, 0x29,
2014-07-04 11:18:53 +00:00
},
},
{
"NIST CSRC example 2 (20-byte key)",
t_seq8,
2014-07-04 11:18:53 +00:00
20,
"Sample message for keylen<blocklen",
2014-07-04 11:18:53 +00:00
{
0x4c, 0x99, 0xff, 0x0c, 0xb1, 0xb3, 0x1b, 0xd3,
0x3f, 0x84, 0x31, 0xdb, 0xaf, 0x4d, 0x17, 0xfc,
0xd3, 0x56, 0xa8, 0x07,
2014-07-04 11:18:53 +00:00
},
},
{
"NIST CSRC example 3 (100-byte key)",
t_seq8,
2014-07-04 11:18:53 +00:00
100,
/* yes, the text should say keylen>blocklen */
"Sample message for keylen=blocklen",
2014-07-04 11:18:53 +00:00
{
0x2d, 0x51, 0xb2, 0xf7, 0x75, 0x0e, 0x41, 0x05,
0x84, 0x66, 0x2e, 0x38, 0xf1, 0x33, 0x43, 0x5f,
0x4c, 0x4f, 0xd4, 0x2a,
2014-07-04 11:18:53 +00:00
},
},
{
"NIST CSRC example 4 (49-byte key)",
t_seq8,
2014-07-04 11:18:53 +00:00
49,
"Sample message for keylen<blocklen, with truncated tag",
2014-07-04 11:18:53 +00:00
{
0xfe, 0x35, 0x29, 0x56, 0x5c, 0xd8, 0xe2, 0x8c,
0x5f, 0xa7, 0x9e, 0xac, 0x9d, 0x80, 0x23, 0xb5,
0x3b, 0x28, 0x9d, 0x96,
2014-07-04 11:18:53 +00:00
},
},
};
/*
* Unit test: compute the HMAC signature of the specified string with the
* specified key and compare it to the expected result.
*/
static int
2014-07-10 23:57:47 +00:00
t_hmac_sha1_vector(char **desc CRYB_UNUSED, void *arg)
2014-07-04 11:18:53 +00:00
{
struct t_vector *vector = (struct t_vector *)arg;
2014-07-10 23:57:47 +00:00
uint8_t mac[HMAC_SHA1_MAC_LEN];
2014-07-04 11:18:53 +00:00
2014-07-10 23:57:47 +00:00
t_hmac_sha1_complete(vector->key, vector->keylen,
2014-07-04 11:18:53 +00:00
(const uint8_t *)vector->msg, strlen(vector->msg),
mac);
2014-07-11 22:26:23 +00:00
return (t_compare_mem(vector->mac, mac, HMAC_SHA1_MAC_LEN));
2014-07-04 11:18:53 +00:00
}
/***************************************************************************
* Boilerplate
*/
int
t_prepare(int argc, char *argv[])
{
int i, n;
(void)argc;
(void)argv;
2014-07-10 23:57:47 +00:00
n = sizeof t_hmac_sha1_vectors / sizeof t_hmac_sha1_vectors[0];
2014-07-04 11:18:53 +00:00
for (i = 0; i < n; ++i)
2014-07-10 23:57:47 +00:00
t_add_test(t_hmac_sha1_vector, &t_hmac_sha1_vectors[i],
t_hmac_sha1_vectors[i].desc);
2014-07-04 11:18:53 +00:00
return (0);
}
void
t_cleanup(void)
{
}