text: #ifndef ENCRYPTION_ALGORITHMS_AUTOKEY_H
  #define ENCRYPTION_ALGORITHMS_AUTOKEY_H
  
  void generate_autokey(char* key, char* plain_text, char* autokey);
  void encrypt_autokey(char* plain_text, char* cipher_text, char* key);
  void decrypt_autokey(char* cipher_text, char* plain_text, const char* key);
  
  #endif //ENCRYPTION_ALGORITHMS_AUTOKEY_H
  