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/*************************************************
* CBC Mode Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_CBC_H__
#define BOTAN_CBC_H__
#include <botan/modebase.h>
#include <botan/mode_pad.h>
namespace Botan {
/*************************************************
* CBC Encryption *
*************************************************/
class CBC_Encryption : public BlockCipherMode
{
public:
CBC_Encryption(const std::string&, const std::string&);
CBC_Encryption(const std::string&, const std::string&,
const SymmetricKey&, const InitializationVector&);
private:
std::string name() const;
void write(const byte[], u32bit);
void end_msg();
const BlockCipherModePaddingMethod* padder;
};
/*************************************************
* CBC Decryption *
*************************************************/
class CBC_Decryption : public BlockCipherMode
{
public:
CBC_Decryption(const std::string&, const std::string&);
CBC_Decryption(const std::string&, const std::string&,
const SymmetricKey&, const InitializationVector&);
private:
std::string name() const;
void write(const byte[], u32bit);
void end_msg();
const BlockCipherModePaddingMethod* padder;
SecureVector<byte> temp;
};
}
#endif
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