srtp.c File Reference

#include "libavutil/base64.h"
#include "libavutil/aes.h"
#include "libavutil/hmac.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "rtp.h"
#include "rtpdec.h"
#include "srtp.h"

Go to the source code of this file.

Functions
void	ff_srtp_free (struct SRTPContext *s)
static void	encrypt_counter (struct AVAES *aes, uint8_t *iv, uint8_t *outbuf, int outlen)
static void	derive_key (struct AVAES *aes, const uint8_t *salt, int label, uint8_t *out, int outlen)
int	ff_srtp_set_crypto (struct SRTPContext *s, const char *suite, const char *params)
static void	create_iv (uint8_t *iv, const uint8_t *salt, uint64_t index, uint32_t ssrc)
int	ff_srtp_decrypt (struct SRTPContext *s, uint8_t *buf, int *lenptr)
int	ff_srtp_encrypt (struct SRTPContext *s, const uint8_t *in, int len, uint8_t *out, int outlen)

Function Documentation

ff_srtp_free()

void ff_srtp_free

(

struct SRTPContext *

s

)

Definition at line 31 of file srtp.c.

Referenced by ff_rtp_parse_close(), ff_srtp_set_crypto(), main(), srtp_close(), and test_encrypt().

encrypt_counter()

static void encrypt_counter ( struct AVAES *  aes, uint8_t *  iv, uint8_t *  outbuf, int  outlen  )

static

Definition at line 41 of file srtp.c.

Referenced by derive_key(), ff_srtp_decrypt(), and ff_srtp_encrypt().

derive_key()

static void derive_key ( struct AVAES *  aes, const uint8_t *  salt, int  label, uint8_t *  out, int  outlen  )

static

Definition at line 54 of file srtp.c.

Referenced by ff_srtp_set_crypto().

ff_srtp_set_crypto()

int ff_srtp_set_crypto	(	struct SRTPContext *	s,
		const char *	suite,
		const char *	params
	)

Definition at line 65 of file srtp.c.

Referenced by ff_rtp_parse_set_crypto(), main(), srtp_open(), and test_encrypt().

create_iv()

static void create_iv ( uint8_t *  iv, const uint8_t *  salt, uint64_t  index, uint32_t  ssrc  )

static

Definition at line 112 of file srtp.c.

Referenced by ff_srtp_decrypt(), and ff_srtp_encrypt().

ff_srtp_decrypt()

int ff_srtp_decrypt	(	struct SRTPContext *	s,
		uint8_t *	buf,
		int *	lenptr
	)

Definition at line 126 of file srtp.c.

Referenced by ff_rtp_parse_packet(), srtp_read(), test_decrypt(), and test_encrypt().

ff_srtp_encrypt()

int ff_srtp_encrypt	(	struct SRTPContext *	s,
		const uint8_t *	in,
		int	len,
		uint8_t *	out,
		int	outlen
	)

Definition at line 238 of file srtp.c.

Referenced by srtp_write(), and test_encrypt().