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/*
* ECB Mode
* (C) 1999-2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_ECB_H__
#define BOTAN_ECB_H__
#include <botan/basefilt.h>
#include <botan/block_cipher.h>
#include <botan/mode_pad.h>
#include <botan/modebase.h>
namespace Botan {
/*
* ECB Encryption
*/
class BOTAN_DLL ECB_Encryption : public Keyed_Filter
{
public:
std::string name() const;
void set_key(const SymmetricKey& key) { cipher->set_key(key); }
bool valid_keylength(u32bit key_len) const
{ return cipher->valid_keylength(key_len); }
ECB_Encryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad);
ECB_Encryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad,
const SymmetricKey& key);
~ECB_Encryption();
private:
void write(const byte[], u32bit);
void end_msg();
BlockCipher* cipher;
BlockCipherModePaddingMethod* padder;
SecureVector<byte> plaintext, ciphertext;
u32bit position;
};
/*
* ECB Decryption
*/
class BOTAN_DLL ECB_Decryption : public Keyed_Filter
{
public:
std::string name() const;
void set_key(const SymmetricKey& key) { cipher->set_key(key); }
bool valid_keylength(u32bit key_len) const
{ return cipher->valid_keylength(key_len); }
ECB_Decryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad);
ECB_Decryption(BlockCipher* ciph,
BlockCipherModePaddingMethod* pad,
const SymmetricKey& key);
~ECB_Decryption();
private:
void write(const byte[], u32bit);
void end_msg();
BlockCipher* cipher;
BlockCipherModePaddingMethod* padder;
SecureVector<byte> plaintext, ciphertext;
u32bit position;
};
}
#endif
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