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RTC: transport use single srtp

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jinxue.cgh 2020-06-25 20:47:17 +08:00 • committed by winlin
parent acf9c9d25b
commit 99016af42a
4 changed files with 112 additions and 97 deletions
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22
trunk/src/app/srs_app_rtc_dtls.hpp
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@ -103,18 +103,28 @@ private:
class SrsSRTP
{
private:
srtp_t srtp_ctx;
srtp_t recv_ctx_;
srtp_t send_ctx_;
public:
SrsSRTP();
virtual ~SrsSRTP();
public:
srs_error_t initialize(std::string srtp_key, bool send);
// Intialize srtp context with recv_key and send_key.
srs_error_t initialize(std::string recv_key, std::string send_key);
public:
srs_error_t protect_rtp(char* protected_buf, const char* ori_buf, int& nb_protected_buf);
// Encrypt the input plaintext to output cipher with nb_cipher bytes.
// @remark Note that the nb_cipher is the size of input plaintext, and
// it also is the length of output cipher when return.
srs_error_t protect_rtp(const char* plaintext, char* cipher, int& nb_cipher);
srs_error_t protect_rtcp(const char* plaintext, char* cipher, int& nb_cipher);
// Encrypt the input rtp_hdr with *len_ptr bytes.
// @remark the input plaintext and out cipher reuse rtp_hdr.
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);
// Decrypt the input cipher to output cipher with nb_cipher bytes.
// @remark Note that the nb_plaintext is the size of input cipher, and
// it also is the length of output plaintext when return.
srs_error_t unprotect_rtp(const char* cipher, char* plaintext, int& nb_plaintext);
srs_error_t unprotect_rtcp(const char* cipher, char* plaintext, int& nb_plaintext);
};
#endif