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Diffstat (limited to 'channels/sip/include/srtp.h')
| -rw-r--r-- | channels/sip/include/srtp.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/channels/sip/include/srtp.h b/channels/sip/include/srtp.h new file mode 100644 index 000000000..b7a3fc30b --- /dev/null +++ b/channels/sip/include/srtp.h @@ -0,0 +1,57 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2006 - 2007, Mikael Magnusson + * + * Mikael Magnusson <mikma@users.sourceforge.net> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file sip_srtp.h + * + * \brief SIP Secure RTP (SRTP) + * + * Specified in RFC 3711 + * + * \author Mikael Magnusson <mikma@users.sourceforge.net> + */ + +#ifndef _SIP_SRTP_H +#define _SIP_SRTP_H + +#include "sdp_crypto.h" + +/* SRTP flags */ +#define SRTP_ENCR_OPTIONAL (1 << 1) /* SRTP encryption optional */ +#define SRTP_CRYPTO_ENABLE (1 << 2) +#define SRTP_CRYPTO_OFFER_OK (1 << 3) + +/*! \brief structure for secure RTP audio */ +struct sip_srtp { + unsigned int flags; + struct sdp_crypto *crypto; +}; + +/*! + * \brief allocate a sip_srtp structure + * \retval a new malloc'd sip_srtp structure on success + * \retval NULL on failure +*/ +struct sip_srtp *sip_srtp_alloc(void); + +/*! + * \brief free a sip_srtp structure + * \param srtp a sip_srtp structure +*/ +void sip_srtp_destroy(struct sip_srtp *srtp); + +#endif /* _SIP_SRTP_H */ |