mirror of
https://github.com/cryb-to/cryb-to.git
synced 2024-11-24 06:35:45 +00:00
184 lines
5 KiB
C
184 lines
5 KiB
C
/*-
|
||
* 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 <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_SHA256_MAC_LEN SHA256_DIGEST_LENGTH
|
||
|
||
static void
|
||
t_hmac_sha256_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_sha256(), NULL);
|
||
HMAC_Update(&ctx, msg, msglen);
|
||
HMAC_Final(&ctx, mac, NULL);
|
||
HMAC_CTX_cleanup(&ctx);
|
||
}
|
||
|
||
#else
|
||
|
||
#include <cryb/sha256.h>
|
||
#include <cryb/hmac.h>
|
||
|
||
#define t_hmac_sha256_complete(key, keylen, msg, msglen, mac) \
|
||
hmac_sha256_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_SHA256_MAC_LEN];
|
||
} t_hmac_sha256_vectors[] = {
|
||
{
|
||
"zero-length key, zero-length message",
|
||
t_zero,
|
||
0,
|
||
"",
|
||
{
|
||
0xb6, 0x13, 0x67, 0x9a, 0x08, 0x14, 0xd9, 0xec,
|
||
0x77, 0x2f, 0x95, 0xd7, 0x78, 0xc3, 0x5f, 0xc5,
|
||
0xff, 0x16, 0x97, 0xc4, 0x93, 0x71, 0x56, 0x53,
|
||
0xc6, 0xc7, 0x12, 0x14, 0x42, 0x92, 0xc5, 0xad,
|
||
},
|
||
},
|
||
{
|
||
"NIST CSRC example 1 (64-byte key)",
|
||
t_seq8,
|
||
64,
|
||
"Sample message for keylen=blocklen",
|
||
{
|
||
0x8b, 0xb9, 0xa1, 0xdb, 0x98, 0x06, 0xf2, 0x0d,
|
||
0xf7, 0xf7, 0x7b, 0x82, 0x13, 0x8c, 0x79, 0x14,
|
||
0xd1, 0x74, 0xd5, 0x9e, 0x13, 0xdc, 0x4d, 0x01,
|
||
0x69, 0xc9, 0x05, 0x7b, 0x13, 0x3e, 0x1d, 0x62,
|
||
},
|
||
},
|
||
{
|
||
"NIST CSRC example 2 (32-byte key)",
|
||
t_seq8,
|
||
32,
|
||
"Sample message for keylen<blocklen",
|
||
{
|
||
0xa2, 0x8c, 0xf4, 0x31, 0x30, 0xee, 0x69, 0x6a,
|
||
0x98, 0xf1, 0x4a, 0x37, 0x67, 0x8b, 0x56, 0xbc,
|
||
0xfc, 0xbd, 0xd9, 0xe5, 0xcf, 0x69, 0x71, 0x7f,
|
||
0xec, 0xf5, 0x48, 0x0f, 0x0e, 0xbd, 0xf7, 0x90,
|
||
},
|
||
},
|
||
{
|
||
"NIST CSRC example 3 (100-byte key)",
|
||
t_seq8,
|
||
100,
|
||
/* yes, the text should say keylen>blocklen */
|
||
"Sample message for keylen=blocklen",
|
||
{
|
||
0xbd, 0xcc, 0xb6, 0xc7, 0x2d, 0xde, 0xad, 0xb5,
|
||
0x00, 0xae, 0x76, 0x83, 0x86, 0xcb, 0x38, 0xcc,
|
||
0x41, 0xc6, 0x3d, 0xbb, 0x08, 0x78, 0xdd, 0xb9,
|
||
0xc7, 0xa3, 0x8a, 0x43, 0x1b, 0x78, 0x37, 0x8d,
|
||
},
|
||
},
|
||
{
|
||
"NIST CSRC example 4 (49-byte key)",
|
||
t_seq8,
|
||
49,
|
||
"Sample message for keylen<blocklen, with truncated tag",
|
||
{
|
||
0x27, 0xa8, 0xb1, 0x57, 0x83, 0x9e, 0xfe, 0xac,
|
||
0x98, 0xdf, 0x07, 0x0b, 0x33, 0x1d, 0x59, 0x36,
|
||
0x18, 0xdd, 0xb9, 0x85, 0xd4, 0x03, 0xc0, 0xc7,
|
||
0x86, 0xd2, 0x3b, 0x5d, 0x13, 0x2e, 0x57, 0xc7,
|
||
},
|
||
},
|
||
};
|
||
|
||
/*
|
||
* 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_sha256_vector(char **desc CRYB_UNUSED, void *arg)
|
||
{
|
||
struct t_vector *vector = (struct t_vector *)arg;
|
||
uint8_t mac[HMAC_SHA256_MAC_LEN];
|
||
|
||
t_hmac_sha256_complete(vector->key, vector->keylen,
|
||
(const uint8_t *)vector->msg, strlen(vector->msg),
|
||
mac);
|
||
return (t_compare_mem(vector->mac, mac, HMAC_SHA256_MAC_LEN));
|
||
}
|
||
|
||
|
||
/***************************************************************************
|
||
* Boilerplate
|
||
*/
|
||
|
||
static int
|
||
t_prepare(int argc, char *argv[])
|
||
{
|
||
int i, n;
|
||
|
||
(void)argc;
|
||
(void)argv;
|
||
n = sizeof t_hmac_sha256_vectors / sizeof t_hmac_sha256_vectors[0];
|
||
for (i = 0; i < n; ++i)
|
||
t_add_test(t_hmac_sha256_vector, &t_hmac_sha256_vectors[i],
|
||
"%s", t_hmac_sha256_vectors[i].desc);
|
||
return (0);
|
||
}
|
||
|
||
int
|
||
main(int argc, char *argv[])
|
||
{
|
||
|
||
t_main(t_prepare, NULL, argc, argv);
|
||
}
|