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| (Empty) |
| 1 /* | |
| 2 * hmac.h | |
| 3 * | |
| 4 * interface to hmac auth_type_t | |
| 5 * | |
| 6 * David A. McGrew | |
| 7 * Cisco Systems, Inc. | |
| 8 * | |
| 9 */ | |
| 10 /* | |
| 11 * | |
| 12 * Copyright (c) 2001-2006,2013, Cisco Systems, Inc. | |
| 13 * All rights reserved. | |
| 14 * | |
| 15 * Redistribution and use in source and binary forms, with or without | |
| 16 * modification, are permitted provided that the following conditions | |
| 17 * are met: | |
| 18 * | |
| 19 * Redistributions of source code must retain the above copyright | |
| 20 * notice, this list of conditions and the following disclaimer. | |
| 21 * | |
| 22 * Redistributions in binary form must reproduce the above | |
| 23 * copyright notice, this list of conditions and the following | |
| 24 * disclaimer in the documentation and/or other materials provided | |
| 25 * with the distribution. | |
| 26 * | |
| 27 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
| 28 * contributors may be used to endorse or promote products derived | |
| 29 * from this software without specific prior written permission. | |
| 30 * | |
| 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 34 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 35 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 36 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 37 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 38 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 42 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 43 * | |
| 44 */ | |
| 45 | |
| 46 #ifndef HMAC_H | |
| 47 #define HMAC_H | |
| 48 | |
| 49 #include "auth.h" | |
| 50 #include "sha1.h" | |
| 51 | |
| 52 typedef struct { | |
| 53 uint8_t opad[64]; | |
| 54 sha1_ctx_t ctx; | |
| 55 sha1_ctx_t init_ctx; | |
| 56 #ifdef OPENSSL | |
| 57 int ctx_initialized; | |
| 58 int init_ctx_initialized; | |
| 59 #endif | |
| 60 } hmac_ctx_t; | |
| 61 | |
| 62 err_status_t | |
| 63 hmac_alloc(auth_t **a, int key_len, int out_len); | |
| 64 | |
| 65 err_status_t | |
| 66 hmac_dealloc(auth_t *a); | |
| 67 | |
| 68 err_status_t | |
| 69 hmac_init(hmac_ctx_t *state, const uint8_t *key, int key_len); | |
| 70 | |
| 71 err_status_t | |
| 72 hmac_start(hmac_ctx_t *state); | |
| 73 | |
| 74 err_status_t | |
| 75 hmac_update(hmac_ctx_t *state, const uint8_t *message, int msg_octets); | |
| 76 | |
| 77 err_status_t | |
| 78 hmac_compute(hmac_ctx_t *state, const void *message, | |
| 79 int msg_octets, int tag_len, uint8_t *result); | |
| 80 | |
| 81 | |
| 82 #endif /* HMAC_H */ | |
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Chromium Code Reviews
Issue 2344973002:
Update libsrtp to version 2.0 (Closed)
