0,0 → 1,52 |
/* |
* SRTP encryption/decryption |
* Copyright (c) 2012 Martin Storsjo |
* |
* 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 |
*/ |
|
#ifndef AVFORMAT_SRTP_H |
#define AVFORMAT_SRTP_H |
|
#include <stdint.h> |
|
struct AVAES; |
struct AVHMAC; |
|
struct SRTPContext { |
struct AVAES *aes; |
struct AVHMAC *hmac; |
int rtp_hmac_size, rtcp_hmac_size; |
uint8_t master_key[16]; |
uint8_t master_salt[14]; |
uint8_t rtp_key[16], rtcp_key[16]; |
uint8_t rtp_salt[14], rtcp_salt[14]; |
uint8_t rtp_auth[20], rtcp_auth[20]; |
int seq_largest, seq_initialized; |
uint32_t roc; |
|
uint32_t rtcp_index; |
}; |
|
int ff_srtp_set_crypto(struct SRTPContext *s, const char *suite, |
const char *params); |
void ff_srtp_free(struct SRTPContext *s); |
int ff_srtp_decrypt(struct SRTPContext *s, uint8_t *buf, int *lenptr); |
int ff_srtp_encrypt(struct SRTPContext *s, const uint8_t *in, int len, |
uint8_t *out, int outlen); |
|
#endif /* AVFORMAT_SRTP_H */ |