#ifndef _HMAC_H_
#define _HMAC_H_

#define IPAD 0x36
#define OPAD 0x5C

#define SHA1_B      64
#define SHA1_SIZE   20

#include <stdlib.h>
#include <string.h>
#include "sha1.h"

uint8_t hmac_result[SHA1_SIZE];

void hmac(uint8_t* msg, uint8_t msglen, uint8_t* secret, uint8_t sec_len);

#endif //_HMAC_H_