rtmpdigest.c File Reference

RTMP protocol digest. More...

#include <stdint.h>
#include "libavutil/error.h"
#include "libavutil/hmac.h"
#include "rtmp.h"

Functions
int	ff_rtmp_calc_digest (const uint8_t *src, int len, int gap, const uint8_t *key, int keylen, uint8_t *dst)
	Calculate HMAC-SHA2 digest for RTMP handshake packets. More...
int	ff_rtmp_calc_digest_pos (const uint8_t *buf, int off, int mod_val, int add_val)
	Calculate digest position for RTMP handshake packets. More...

Detailed Description

RTMP protocol digest.

Function Documentation

ff_rtmp_calc_digest()

int ff_rtmp_calc_digest	(	const uint8_t *	src,
		int	len,
		int	gap,
		const uint8_t *	key,
		int	keylen,
		uint8_t *	dst
	)

Calculate HMAC-SHA2 digest for RTMP handshake packets.

Parameters

src	input buffer
len	input buffer length (should be 1536)
gap	offset in buffer where 32 bytes should not be taken into account when calculating digest (since it will be used to store that digest)
key	digest key
keylen	digest key length
dst	buffer where calculated digest will be stored (32 bytes)

ff_rtmp_calc_digest_pos()

int ff_rtmp_calc_digest_pos	(	const uint8_t *	buf,
		int	off,
		int	mod_val,
		int	add_val
	)

Calculate digest position for RTMP handshake packets.

Parameters

buf	input buffer (should be 1536 bytes)
off	offset in buffer where to start calculating digest position
mod_val	value used for computing modulo
add_val	value added at the end (after computing modulo)