diff options
Diffstat (limited to 'libavformat/srtp.h')
| -rw-r--r-- | libavformat/srtp.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libavformat/srtp.h b/libavformat/srtp.h new file mode 100644 index 0000000000..a1cb92d2ba --- /dev/null +++ b/libavformat/srtp.h @@ -0,0 +1,52 @@ +/* + * SRTP encryption/decryption + * Copyright (c) 2012 Martin Storsjo + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; 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 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 */ |