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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/hmac.c"
#include <stdio.h>
#include <string.h>
static void test(AVHMAC *hmac, const uint8_t *key, int keylen,
const uint8_t *data, int datalen)
{
uint8_t buf[MAX_HASHLEN];
int out, i;
// Some of the test vectors are strings, where sizeof() includes the
// trailing null byte - remove that.
if (!key[keylen - 1])
keylen--;
if (!data[datalen - 1])
datalen--;
out = av_hmac_calc(hmac, data, datalen, key, keylen, buf, sizeof(buf));
for (i = 0; i < out; i++)
printf("%02x", buf[i]);
printf("\n");
}
int main(void)
{
uint8_t key1[20], key3[131], data3[50];
AVHMAC *hmac;
enum AVHMACType i;
static const uint8_t key2[] = "Jefe";
static const uint8_t data1[] = "Hi There";
static const uint8_t data2[] = "what do ya want for nothing?";
static const uint8_t data4[] = "Test Using Larger Than Block-Size Key - Hash Key First";
static const uint8_t data5[] = "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data";
static const uint8_t data6[] = "This is a test using a larger than block-size key and a larger "
"than block-size data. The key needs to be hashed before being used"
" by the HMAC algorithm.";
memset(key1, 0x0b, sizeof(key1));
memset(key3, 0xaa, sizeof(key3));
memset(data3, 0xdd, sizeof(data3));
/* MD5, SHA-1 */
for (i = AV_HMAC_MD5; i <= AV_HMAC_SHA1; i++) {
hmac = av_hmac_alloc(i);
if (!hmac)
return 1;
// RFC 2202 test vectors
test(hmac, key1, hmac->hashlen, data1, sizeof(data1));
test(hmac, key2, sizeof(key2), data2, sizeof(data2));
test(hmac, key3, hmac->hashlen, data3, sizeof(data3));
test(hmac, key3, 80, data4, sizeof(data4));
test(hmac, key3, 80, data5, sizeof(data5));
av_hmac_free(hmac);
}
/* SHA-2 */
for (i = AV_HMAC_SHA224; i <= AV_HMAC_SHA512; i++) {
hmac = av_hmac_alloc(i);
if (!hmac)
return 1;
// RFC 4231 test vectors
test(hmac, key1, sizeof(key1), data1, sizeof(data1));
test(hmac, key2, sizeof(key2), data2, sizeof(data2));
test(hmac, key3, 20, data3, sizeof(data3));
test(hmac, key3, sizeof(key3), data4, sizeof(data4));
test(hmac, key3, sizeof(key3), data6, sizeof(data6));
av_hmac_free(hmac);
}
return 0;
}
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