2 * SRTP encryption/decryption
3 * Copyright (c) 2012 Martin Storsjo
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef AVFORMAT_SRTP_H
23 #define AVFORMAT_SRTP_H
33 int rtp_hmac_size, rtcp_hmac_size;
34 uint8_t master_key[16];
35 uint8_t master_salt[14];
36 uint8_t rtp_key[16], rtcp_key[16];
37 uint8_t rtp_salt[14], rtcp_salt[14];
38 uint8_t rtp_auth[20], rtcp_auth[20];
39 int seq_largest, seq_initialized;
45 int ff_srtp_set_crypto(struct SRTPContext *s, const char *suite,
47 void ff_srtp_free(struct SRTPContext *s);
48 int ff_srtp_decrypt(struct SRTPContext *s, uint8_t *buf, int *lenptr);
49 int ff_srtp_encrypt(struct SRTPContext *s, const uint8_t *in, int len,
50 uint8_t *out, int outlen);
52 #endif /* AVFORMAT_SRTP_H */