1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "libavutil/hmac.c"
20
21 #include <stdio.h>
22 #include <string.h>
23
test(AVHMAC * hmac,const uint8_t * key,int keylen,const uint8_t * data,int datalen)24 static void test(AVHMAC *hmac, const uint8_t *key, int keylen,
25 const uint8_t *data, int datalen)
26 {
27 uint8_t buf[MAX_HASHLEN];
28 int out, i;
29 // Some of the test vectors are strings, where sizeof() includes the
30 // trailing null byte - remove that.
31 if (!key[keylen - 1])
32 keylen--;
33 if (!data[datalen - 1])
34 datalen--;
35 out = av_hmac_calc(hmac, data, datalen, key, keylen, buf, sizeof(buf));
36 for (i = 0; i < out; i++)
37 printf("%02x", buf[i]);
38 printf("\n");
39 }
40
main(void)41 int main(void)
42 {
43 uint8_t key1[20], key3[131], data3[50];
44 AVHMAC *hmac;
45 enum AVHMACType i;
46 static const uint8_t key2[] = "Jefe";
47 static const uint8_t data1[] = "Hi There";
48 static const uint8_t data2[] = "what do ya want for nothing?";
49 static const uint8_t data4[] = "Test Using Larger Than Block-Size Key - Hash Key First";
50 static const uint8_t data5[] = "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data";
51 static const uint8_t data6[] = "This is a test using a larger than block-size key and a larger "
52 "than block-size data. The key needs to be hashed before being used"
53 " by the HMAC algorithm.";
54 memset(key1, 0x0b, sizeof(key1));
55 memset(key3, 0xaa, sizeof(key3));
56 memset(data3, 0xdd, sizeof(data3));
57
58 /* MD5, SHA-1 */
59 for (i = AV_HMAC_MD5; i <= AV_HMAC_SHA1; i++) {
60 hmac = av_hmac_alloc(i);
61 if (!hmac)
62 return 1;
63 // RFC 2202 test vectors
64 test(hmac, key1, hmac->hashlen, data1, sizeof(data1));
65 test(hmac, key2, sizeof(key2), data2, sizeof(data2));
66 test(hmac, key3, hmac->hashlen, data3, sizeof(data3));
67 test(hmac, key3, 80, data4, sizeof(data4));
68 test(hmac, key3, 80, data5, sizeof(data5));
69 av_hmac_free(hmac);
70 }
71
72 /* SHA-2 */
73 for (i = AV_HMAC_SHA224; i <= AV_HMAC_SHA512; i++) {
74 hmac = av_hmac_alloc(i);
75 if (!hmac)
76 return 1;
77 // RFC 4231 test vectors
78 test(hmac, key1, sizeof(key1), data1, sizeof(data1));
79 test(hmac, key2, sizeof(key2), data2, sizeof(data2));
80 test(hmac, key3, 20, data3, sizeof(data3));
81 test(hmac, key3, sizeof(key3), data4, sizeof(data4));
82 test(hmac, key3, sizeof(key3), data6, sizeof(data6));
83 av_hmac_free(hmac);
84 }
85
86 return 0;
87 }
88