hmac.cc File Reference

This file implements HMAC-SHA1. More...

#include "jabberdlib.h"

Functions
void	hmac_sha1_ascii_r (char const *secret, unsigned char const *message, size_t len, char hmac[41])

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Detailed Description

This file implements HMAC-SHA1.

HMAC-SHA1 is a keyed-hash message authentication code, which can be used to authenticate data. This is used inside jabberd14 to generate dialback keys.

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Function Documentation

void hmac_sha1_ascii_r	(	char const *	secret,
		unsigned char const *	message,
		size_t	len,
		char	hmac[41]
	)

Calculate the HMAC-SHA1 for a given block of data, the result a string containing the hmac as hex value

Parameters:

	secret	the key to use
	message	the message to calculate the HMAC-SHA1 for
	len	the length of the message in bytes
	hmac	where to place the result

Referenced by dialback_get_loopcheck_token(), and dialback_merlin().