#ifndef __SCP03_KDF_H__

#define __SCP03_KDF_H__



#include <stdint.h>

#include <string.h>

#include <stdlib.h>

#include "SCP03_crypto.h"

#include "sec_apdu.h"

#include "SCP03.h"



#define PRF_CMAC_OUTLENGTH_IN_BIT 128

#define KDF_COUNTER_SIZE 1

#define KDF_LABEL_SIZE 12

#define KDF_SEPERATION_INDICATOR_SIZE 1

//#define KDF_CONTEXT_SIZE 16

#define KDF_L_SIZE 2

#define KDF_SEQUENCE_COUNTER_SIZE 3



#define SENC 1

#define SMAC 2

#define SRMAC 3



#define KDF_PRF_INPUT_DATA_SIZE 32

void genSessionKey(uint8_t* input_key, uint8_t* output_key, uint8_t* hostChallenge, uint8_t* cardChallenge, int keyType);

void genCardChallenge (uint8_t* KEY_ENC, uint8_t* sequenceCounter, uint8_t* AID, int AIDLength, uint8_t* cCardChallenge);

void genCardCryptogram (uint8_t* S_MAC, uint8_t* hostChallenge, uint8_t* cardChallenge, uint8_t* cCardCryptogram);

void genHostCryptogram (uint8_t* S_MAC, uint8_t* hostCryptogram, uint8_t* hostChallenge, uint8_t* cardChallenge);

void kdf(uint8_t* input_key, uint8_t* label, uint8_t* context, int contextLength, uint8_t* output_length_in_bit, uint8_t* output_key);

#endif