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libavformat
srtp.h
Go to the documentation of this file.
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/*
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* SRTP encryption/decryption
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* Copyright (c) 2012 Martin Storsjo
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_SRTP_H
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#define AVFORMAT_SRTP_H
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#include <stdint.h>
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struct
AVAES
;
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struct
AVHMAC
;
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struct
SRTPContext
{
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struct
AVAES
*
aes
;
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struct
AVHMAC
*
hmac
;
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int
rtp_hmac_size
,
rtcp_hmac_size
;
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uint8_t
master_key
[16];
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uint8_t
master_salt
[14];
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uint8_t
rtp_key
[16],
rtcp_key
[16];
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uint8_t
rtp_salt
[14],
rtcp_salt
[14];
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uint8_t
rtp_auth
[20],
rtcp_auth
[20];
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int
seq_largest
,
seq_initialized
;
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uint32_t
roc
;
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uint32_t
rtcp_index
;
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};
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int
ff_srtp_set_crypto
(
struct
SRTPContext
*
s
,
const
char
*suite,
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const
char
*
params
);
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void
ff_srtp_free
(
struct
SRTPContext
*
s
);
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int
ff_srtp_decrypt
(
struct
SRTPContext
*
s
,
uint8_t
*
buf
,
int
*lenptr);
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int
ff_srtp_encrypt
(
struct
SRTPContext
*
s
,
const
uint8_t
*
in
,
int
len
,
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uint8_t
*
out
,
int
outlen);
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#endif
/* AVFORMAT_SRTP_H */
Generated on Sun Mar 23 2014 23:50:13 for FFmpeg by
1.8.2