mirror of https://git.ffmpeg.org/ffmpeg.git
100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/hmac.c"
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#include <stdio.h>
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#include <string.h>
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static void test(AVHMAC *hmac, const uint8_t *key, int keylen,
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const uint8_t *data, int datalen)
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{
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uint8_t buf[MAX_HASHLEN];
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int out, i;
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// Some of the test vectors are strings, where sizeof() includes the
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// trailing null byte - remove that.
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if (!key[keylen - 1])
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keylen--;
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if (!data[datalen - 1])
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datalen--;
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out = av_hmac_calc(hmac, data, datalen, key, keylen, buf, sizeof(buf));
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for (i = 0; i < out; i++)
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printf("%02x", buf[i]);
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printf("\n");
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}
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int main(void)
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{
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uint8_t key1[20], key3[131], data3[50];
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AVHMAC *hmac;
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enum AVHMACType i;
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static const uint8_t key2[] = "Jefe";
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static const uint8_t data1[] = "Hi There";
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static const uint8_t data2[] = "what do ya want for nothing?";
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static const uint8_t data4[] = "Test Using Larger Than Block-Size Key - Hash Key First";
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static const uint8_t data5[] = "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data";
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static const uint8_t data6[] = "This is a test using a larger than block-size key and a larger "
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"than block-size data. The key needs to be hashed before being used"
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" by the HMAC algorithm.";
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memset(key1, 0x0b, sizeof(key1));
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memset(key3, 0xaa, sizeof(key3));
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memset(data3, 0xdd, sizeof(data3));
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/* MD5, SHA-1 */
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for (i = AV_HMAC_MD5; i <= AV_HMAC_SHA1; i++) {
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hmac = av_hmac_alloc(i);
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if (!hmac)
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return 1;
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// RFC 2202 test vectors
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test(hmac, key1, hmac->hashlen, data1, sizeof(data1));
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test(hmac, key2, sizeof(key2), data2, sizeof(data2));
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test(hmac, key3, hmac->hashlen, data3, sizeof(data3));
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test(hmac, key3, 80, data4, sizeof(data4));
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test(hmac, key3, 80, data5, sizeof(data5));
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av_hmac_free(hmac);
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}
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/* SHA-2 */
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for (i = AV_HMAC_SHA224; i <= AV_HMAC_SHA256; i++) {
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hmac = av_hmac_alloc(i);
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if (!hmac)
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return 1;
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// RFC 4231 test vectors
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test(hmac, key1, sizeof(key1), data1, sizeof(data1));
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test(hmac, key2, sizeof(key2), data2, sizeof(data2));
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test(hmac, key3, 20, data3, sizeof(data3));
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test(hmac, key3, sizeof(key3), data4, sizeof(data4));
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test(hmac, key3, sizeof(key3), data6, sizeof(data6));
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av_hmac_free(hmac);
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}
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for (i = AV_HMAC_SHA384; i <= AV_HMAC_SHA512; i++) {
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hmac = av_hmac_alloc(i);
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if (!hmac)
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return 1;
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// RFC 4231 test vectors
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test(hmac, key1, sizeof(key1), data1, sizeof(data1));
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test(hmac, key2, sizeof(key2), data2, sizeof(data2));
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test(hmac, key3, 20, data3, sizeof(data3));
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test(hmac, key3, sizeof(key3), data4, sizeof(data4));
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test(hmac, key3, sizeof(key3), data6, sizeof(data6));
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av_hmac_free(hmac);
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}
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return 0;
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}
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