GCrypt/FeistelMan.h

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#pragma once
#include "Feistel.h"
#include "Flexblock.h"
/** Class to apply a block cipher to messages of arbitrary length in a distributed manner
*/
class FeistelMan
{
public:
explicit FeistelMan(const Block& key);
explicit FeistelMan(const std::string& password);
FeistelMan(const FeistelMan& other) = delete;
FeistelMan(FeistelMan&& other) noexcept = delete;
~FeistelMan();
//! 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) const;
//! Will decipher a flexblock of data
Flexblock Decipher(const Flexblock& data) const;
private:
Block key;
//! Will zero the memory used by the key
void ZeroKeyMemory();
// Initial value for cipher block chaining
static const Block emptyBlock;
};