GCrypt/GhettoCrypt/Cipher.h

#pragma once
#include "Feistel.h"
#include "Flexblock.h"

namespace GhettoCipher
{
	/** Class to apply a block cipher to messages of arbitrary length in a distributed manner
	*/
	class Cipher
	{
	public:
		explicit Cipher(const Block& key);
		explicit Cipher(const std::string& password);

		Cipher(const Cipher& other) = delete;
		Cipher(Cipher&& other) noexcept = delete;

		~Cipher();

		//! Will set the key
		void SetKey(const Block& key);

		//! Will set the key from a password
		void SetPassword(const std::string& password);

		//! Will encipher a flexblock of data
		Flexblock Encipher(const Flexblock& data, bool printProgress = false) const;

		//! Will decipher a flexblock of data
		Flexblock Decipher(const Flexblock& data, bool printProgress = false) const;

	private:
		Block key;

		//! Will zero the memory used by the key
		void ZeroKeyMemory();

		// Initial value for cipher block chaining
		Block initializationVector;
	};
}