#ifndef _TRUNC_H_
#define _TRUNC_H_

#include "hmac-sha1/hmac-sha1.h"
#define SHA1_SIZE 20

int32_t get_otp(uint8_t* hmac, uint8_t digits);
int32_t get_otp_from_cnt(uint64_t cnt, uint8_t digits, uint8_t* secret, uint8_t sec_len);

#endif