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Diffstat (limited to 'include/asterisk/res_srtp.h')
-rw-r--r-- | include/asterisk/res_srtp.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/asterisk/res_srtp.h b/include/asterisk/res_srtp.h new file mode 100644 index 000000000..7853ead6f --- /dev/null +++ b/include/asterisk/res_srtp.h @@ -0,0 +1,57 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2010 FIXME + * + * 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 + * \brief SRTP resource + */ + +#ifndef _ASTERISK_RES_SRTP_H +#define _ASTERISK_RES_SRTP_H + +struct ast_srtp; +struct ast_srtp_policy; +struct ast_rtp_instance; + +struct ast_srtp_cb { + int (*no_ctx)(struct ast_rtp_instance *rtp, unsigned long ssrc, void *data); +}; + +struct ast_srtp_res { + int (*create)(struct ast_srtp **srtp, struct ast_rtp_instance *rtp, struct ast_srtp_policy *policy); + void (*destroy)(struct ast_srtp *srtp); + int (*add_stream)(struct ast_srtp *srtp, struct ast_srtp_policy *policy); + void (*set_cb)(struct ast_srtp *srtp, const struct ast_srtp_cb *cb, void *data); + int (*unprotect)(struct ast_srtp *srtp, void *buf, int *size, int rtcp); + int (*protect)(struct ast_srtp *srtp, void **buf, int *size, int rtcp); + int (*get_random)(unsigned char *key, size_t len); +}; + +/* Crypto suites */ +enum ast_srtp_suite { + AST_AES_CM_128_HMAC_SHA1_80 = 1, + AST_AES_CM_128_HMAC_SHA1_32 = 2, + AST_F8_128_HMAC_SHA1_80 = 3 +}; + +struct ast_srtp_policy_res { + struct ast_srtp_policy *(*alloc)(void); + void (*destroy)(struct ast_srtp_policy *policy); + int (*set_suite)(struct ast_srtp_policy *policy, enum ast_srtp_suite suite); + int (*set_master_key)(struct ast_srtp_policy *policy, const unsigned char *key, size_t key_len, const unsigned char *salt, size_t salt_len); + void (*set_ssrc)(struct ast_srtp_policy *policy, unsigned long ssrc, int inbound); +}; + +#endif /* _ASTERISK_RES_SRTP_H */ |