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RTC: refine srtp layer

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jinxue.cgh 2020-06-25 14:50:14 +08:00 • committed by winlin
parent 81d2e10f65
commit b6ecb0a18f
4 changed files with 181 additions and 165 deletions
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20
trunk/src/app/srs_app_rtc_dtls.hpp
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@ -31,6 +31,7 @@
class SrsRequest;
#include <openssl/ssl.h>
#include <srtp2/srtp.h>
class SrsDtlsCertificate
{
@ -93,10 +94,27 @@ public:
srs_error_t initialize(SrsRequest* r);
srs_error_t do_handshake();
srs_error_t on_dtls(char* data, int nb_data);
srs_error_t export_keying_material(unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *p, size_t plen, int use_context);
srs_error_t get_srtp_key(std::string& send_key, std::string& recv_key);
private:
SSL_CTX* build_dtls_ctx();
srs_error_t handshake();
};
class SrsSRTP
{
private:
srtp_t srtp_ctx;
public:
SrsSRTP();
virtual ~SrsSRTP();
public:
srs_error_t initialize(std::string srtp_key, bool send);
public:
srs_error_t protect_rtp(char* protected_buf, const char* ori_buf, int& nb_protected_buf);
srs_error_t protect_rtp2(void* rtp_hdr, int* len_ptr);
srs_error_t unprotect_rtp(char* unprotected_buf, const char* ori_buf, int& nb_unprotected_buf);
srs_error_t protect_rtcp(char* protected_buf, const char* ori_buf, int& nb_protected_buf);
srs_error_t unprotect_rtcp(char* unprotected_buf, const char* ori_buf, int& nb_unprotected_buf);
};
#endif