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RTC: Refine the SRTP protect api

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This commit is contained in:
winlin 2021-02-07 16:57:48 +08:00
parent 2989e6c9c3
commit 7f4d8a40e9
4 changed files with 41 additions and 95 deletions
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31
trunk/src/app/srs_app_rtc_conn.hpp
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@ -97,9 +97,12 @@ public:
virtual srs_error_t on_dtls(char* data, int nb_data) = 0;
virtual srs_error_t on_dtls_alert(std::string type, std::string desc) = 0;
public:
virtual srs_error_t protect_rtp(const char* plaintext, char* cipher, int& nb_cipher) = 0;
virtual srs_error_t protect_rtcp(const char* plaintext, char* cipher, int& nb_cipher) = 0;
virtual srs_error_t protect_rtp2(void* rtp_hdr, int* len_ptr) = 0;
// Encrypt the packet(paintext) to cipher, which is aso the packet ptr.
// The nb_cipher should be initialized to the size of cipher, with some paddings.
virtual srs_error_t protect_rtp(void* packet, int* nb_cipher) = 0;
virtual srs_error_t protect_rtcp(void* packet, int* nb_cipher) = 0;
// Decrypt the packet(cipher) to plaintext, which is also the packet ptr.
// The nb_plaintext should be initialized to the size of cipher.
virtual srs_error_t unprotect_rtp(void* packet, int* nb_plaintext) = 0;
virtual srs_error_t unprotect_rtcp(void* packet, int* nb_plaintext) = 0;
};
@ -122,14 +125,10 @@ public:
srs_error_t on_dtls(char* data, int nb_data);
srs_error_t on_dtls_alert(std::string type, std::string desc);
public:
// 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);
// Encrypt the packet(paintext) to cipher, which is aso the packet ptr.
// The nb_cipher should be initialized to the size of cipher, with some paddings.
srs_error_t protect_rtp(void* packet, int* nb_cipher);
srs_error_t protect_rtcp(void* packet, int* nb_cipher);
// Decrypt the packet(cipher) to plaintext, which is also the packet ptr.
// The nb_plaintext should be initialized to the size of cipher.
srs_error_t unprotect_rtp(void* packet, int* nb_plaintext);
@ -150,9 +149,8 @@ public:
SrsSemiSecurityTransport(SrsRtcConnection* s);
virtual ~SrsSemiSecurityTransport();
public:
virtual srs_error_t protect_rtp(const char* plaintext, char* cipher, int& nb_cipher);
virtual srs_error_t protect_rtcp(const char* plaintext, char* cipher, int& nb_cipher);
virtual srs_error_t protect_rtp2(void* rtp_hdr, int* len_ptr);
srs_error_t protect_rtp(void* packet, int* nb_cipher);
srs_error_t protect_rtcp(void* packet, int* nb_cipher);
};
// Plaintext transport, without DTLS or SRTP.
@ -172,9 +170,8 @@ public:
virtual srs_error_t on_dtls_application_data(const char* data, const int len);
virtual srs_error_t write_dtls_data(void* data, int size);
public:
virtual srs_error_t protect_rtp(const char* plaintext, char* cipher, int& nb_cipher);
virtual srs_error_t protect_rtcp(const char* plaintext, char* cipher, int& nb_cipher);
virtual srs_error_t protect_rtp2(void* rtp_hdr, int* len_ptr);
srs_error_t protect_rtp(void* packet, int* nb_cipher);
srs_error_t protect_rtcp(void* packet, int* nb_cipher);
srs_error_t unprotect_rtp(void* packet, int* nb_plaintext);
srs_error_t unprotect_rtcp(void* packet, int* nb_plaintext);
};