fips_prf_openssl.c File Reference

FIPS 186-2 PRF for libcrypto. More...

#include "includes.h"
#include <openssl/sha.h>
#include "common.h"
#include "crypto.h"

Functions
int	fips186_2_prf (const u8 *seed, size_t seed_len, u8 *x, size_t xlen)
	NIST FIPS Publication 186-2 change notice 1 PRF. More...

Detailed Description

FIPS 186-2 PRF for libcrypto.

Function Documentation

int fips186_2_prf	(	const u8 *	seed,
		size_t	seed_len,
		u8 *	x,
		size_t	xlen
	)

NIST FIPS Publication 186-2 change notice 1 PRF.

Parameters

seed	Seed/key for the PRF
seed_len	Seed length in bytes
x	Buffer for PRF output
xlen	Output length in bytes

Returns

0 on success, -1 on failure

This function implements random number generation specified in NIST FIPS Publication 186-2 for EAP-SIM. This PRF uses a function that is similar to SHA-1, but has different message padding.