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/*
* ECB Mode
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_ECB_H__
#define BOTAN_ECB_H__
#include <botan/modebase.h>
#include <botan/mode_pad.h>
#include <botan/block_cipher.h>
namespace Botan {
/*
* ECB
*/
class BOTAN_DLL ECB : public BlockCipherMode
{
protected:
ECB(BlockCipher* ciph, BlockCipherModePaddingMethod* pad) :
BlockCipherMode(ciph, "ECB", 0), padder(pad) {}
~ECB() { delete padder; }
std::string name() const;
BlockCipherModePaddingMethod* padder;
private:
bool valid_iv_size(u32bit) const;
};
/*
* ECB Encryption
*/
class BOTAN_DLL ECB_Encryption : public ECB
{
public:
ECB_Encryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad) :
ECB(ciph, pad) {}
ECB_Encryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad,
const SymmetricKey& key) :
ECB(ciph, pad) { set_key(key); }
private:
void write(const byte[], u32bit);
void end_msg();
};
/*
* ECB Decryption
*/
class BOTAN_DLL ECB_Decryption : public ECB
{
public:
ECB_Decryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad) :
ECB(ciph, pad) {}
ECB_Decryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad,
const SymmetricKey& key) :
ECB(ciph, pad) { set_key(key); }
private:
void write(const byte[], u32bit);
void end_msg();
};
}
#endif
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