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/**
* @file dtls_srtp.h DTLS-SRTP Internal api
*
* Copyright (C) 2010 Creytiv.com
*/
enum {
LAYER_SRTP = 20,
LAYER_DTLS = 20, /* must be above zero */
};
struct sock {
const struct dtls_srtp *ds;
struct dtls_flow *dtls;
struct srtp_stream *tx;
struct srtp_stream *rx;
struct udp_helper *uh_srtp;
void *app_sock;
bool negotiated;
bool is_rtp;
};
struct key {
uint8_t key[256];
size_t key_len;
uint8_t salt[256];
size_t salt_len;
};
/* dtls.c */
int dtls_alloc_selfsigned(struct tls **tlsp, const char *aor,
const char *srtp_profile);
int dtls_print_sha1_fingerprint(struct re_printf *pf, const struct tls *tls);
int dtls_print_sha256_fingerprint(struct re_printf *pf, const struct tls *tls);
/* srtp.c */
int srtp_stream_add(struct srtp_stream **sp, const char *profile,
const struct key *key, bool tx);
int srtp_install(struct sock *sock);
/* tls_udp.c */
struct dtls_flow;
typedef void (dtls_estab_h)(int err, struct dtls_flow *tc,
const char *profile,
const struct key *client_key,
const struct key *server_key,
void *arg);
int dtls_flow_alloc(struct dtls_flow **flowp, struct tls *tls,
struct udp_sock *us, dtls_estab_h *estabh, void *arg);
int dtls_flow_start(struct dtls_flow *flow, const struct sa *peer,
bool active);
int dtls_get_remote_fingerprint(const struct dtls_flow *flow, const char *type,
struct tls_fingerprint *fp);
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