text: #ifndef RNDECRYPTOR_H
  #define RNDECRYPTOR_H
  
  #include "rncryptor.h"
  
  #include <iostream>
  using std::string;
  
  class RNDecryptor : public RNCryptor {
  
  	RNCryptorPayloadComponents unpackEncryptedBase64Data(string encryptedBase64);
  	bool hmacIsValid(RNCryptorPayloadComponents components, string password);
  
  	public:
  		string decrypt(string encryptedBase64, string password);
  };
  
  #endif
  