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Implemented WebRTC

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roxlu 2018-06-01 09:19:32 +02:00 • committed by Thulinma
parent dce4cddadd
commit 7e8eb634e6
20 changed files with 6712 additions and 1 deletions
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43
lib/srtp.h Normal file
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#pragma once
#include <stdint.h>
#include <string>
#include <srtp2/srtp.h>
#define SRTP_PARSER_MASTER_KEY_LEN 16
#define SRTP_PARSER_MASTER_SALT_LEN 14
#define SRTP_PARSER_MASTER_LEN (SRTP_PARSER_MASTER_KEY_LEN + SRTP_PARSER_MASTER_SALT_LEN)
/* --------------------------------------- */
class SRTPReader {
public:
SRTPReader();
int init(const std::string& cipher, const std::string& key, const std::string& salt);
int shutdown();
int unprotectRtp(uint8_t* data, int* nbytes); /* `nbytes` should contain the number of bytes in `data`. On success `nbytes` will hold the number of bytes of the decoded RTP packet. */
int unprotectRtcp(uint8_t* data, int* nbytes); /* `nbytes` should contains the number of bytes in `data`. On success `nbytes` will hold the number of bytes the decoded RTCP packet. */
private:
srtp_t session;
srtp_policy_t policy;
std::vector<uint8_t> key_salt; /* Combination of key + salt which is used to unprotect the SRTP/SRTCP data. */
};
/* --------------------------------------- */
class SRTPWriter {
public:
SRTPWriter();
int init(const std::string& cipher, const std::string& key, const std::string& salt);
int shutdown();
int protectRtp(uint8_t* data, int* nbytes);
int protectRtcp(uint8_t* data, int* nbytes);
private:
srtp_t session;
srtp_policy_t policy;
std::vector<uint8_t> key_salt; /* Combination of key + salt which is used to protect the SRTP/SRTCP data. */
};
/* --------------------------------------- */