| /* |
| * 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; |
| } |