#pragma once

#include <stdint.h>

class Des
{
private:
    /* data */
public:
 uint8_t deskey[8] = {90,114,90,107,85,97,86,103};//{ "ZrZkUaVg" };
uint8_t DES_Encrypt_key[8];
uint8_t DES_Decrypt_key[8];
uint8_t sub_keys[16][8]; //sub_keys[16][8]
uint8_t main_key[8];
void    des(uint8_t*, uint8_t*, uint8_t, uint8_t*);
void  FLASH_Read_KEYS(uint8_t key_index);
  void    transpose(uint8_t*, uint8_t*, const uint8_t*, uint8_t);
  void    rotate_l(uint8_t*);
 void    compute_subkeys(uint8_t*);
  void    f(uint8_t*, uint8_t*, uint8_t*);
};