wake.h
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// wake.h - written and placed in the public domain by Wei Dai
//! \file wake.h
//! \brief Classes for WAKE stream cipher
#ifndef CRYPTOPP_WAKE_H
#define CRYPTOPP_WAKE_H
#include "seckey.h"
#include "secblock.h"
#include "strciphr.h"
NAMESPACE_BEGIN(CryptoPP)
//! \class WAKE_OFB_Info
//! \brief WAKE stream cipher information
//! \tparam B Endianess of the stream cipher
template <class B = BigEndian>
struct WAKE_OFB_Info : public FixedKeyLength<32>
{
CRYPTOPP_CONSTEXPR static const char *StaticAlgorithmName() {return B::ToEnum() == LITTLE_ENDIAN_ORDER ? "WAKE-OFB-LE" : "WAKE-OFB-BE";}
};
class CRYPTOPP_NO_VTABLE WAKE_Base
{
protected:
word32 M(word32 x, word32 y);
void GenKey(word32 k0, word32 k1, word32 k2, word32 k3);
word32 t[257];
word32 r3, r4, r5, r6;
};
//! \class WAKE_Policy
//! \brief WAKE stream cipher operation
//! \tparam B Endianess of the stream cipher
template <class B = BigEndian>
class CRYPTOPP_NO_VTABLE WAKE_Policy : public AdditiveCipherConcretePolicy<word32, 1, 64>, protected WAKE_Base
{
protected:
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
// OFB
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
bool CipherIsRandomAccess() const {return false;}
};
//! \class WAKE_OFB
//! \brief WAKE stream cipher
//! \tparam B Endianess of the stream cipher
template <class B = BigEndian>
struct WAKE_OFB : public WAKE_OFB_Info<B>, public SymmetricCipherDocumentation
{
typedef SymmetricCipherFinal<ConcretePolicyHolder<WAKE_Policy<B>, AdditiveCipherTemplate<> >, WAKE_OFB_Info<B> > Encryption;
typedef Encryption Decryption;
};
/*
template <class B = BigEndian>
class WAKE_ROFB_Policy : public WAKE_Policy<B>
{
protected:
void Iterate(KeystreamOperation operation, byte *output, const byte *input, unsigned int iterationCount);
};
template <class B = BigEndian>
struct WAKE_ROFB : public WAKE_Info<B>
{
typedef SymmetricCipherTemplate<ConcretePolicyHolder<AdditiveCipherTemplate<>, WAKE_ROFB_Policy<B> > > Encryption;
typedef Encryption Decryption;
};
*/
NAMESPACE_END
#endif
AdditiveCipherAbstractPolicy::CipherIsRandomAccess
virtual bool CipherIsRandomAccess() const =0
Flag indicating random access.
SymmetricCipherDocumentation
Provides Encryption and Decryption typedefs used by derived classes to implement a symmetric cipher.
Definition: seckey.h:439
SymmetricCipherFinal
SymmetricCipher implementation.
Definition: strciphr.h:582
AdditiveCipherConcretePolicy
Base class for additive stream ciphers.
Definition: strciphr.h:188
AdditiveCipherAbstractPolicy::CipherSetKey
virtual void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length)=0
Key the cipher.
secblock.h
Classes and functions for secure memory allocations.
SymmetricCipher
Interface for one direction (encryption or decryption) of a stream cipher or cipher mode.
Definition: cryptlib.h:1099
LITTLE_ENDIAN_ORDER
@ LITTLE_ENDIAN_ORDER
byte order is little-endian
Definition: cryptlib.h:125
WAKE_OFB_Info
WAKE stream cipher information.
Definition: wake.h:19
FixedKeyLength
Inherited by keyed algorithms with fixed key length.
Definition: seckey.h:128
AdditiveCipherTemplate
Base class for additive stream ciphers with SymmetricCipher interface.
Definition: strciphr.h:269
KeystreamOperation
KeystreamOperation
Keystream operation flags.
Definition: strciphr.h:92
seckey.h
Classes and functions for implementing secret key algorithms.
WAKE_Policy
WAKE stream cipher operation.
Definition: wake.h:38
WAKE_Base
Definition: wake.h:24
CryptoPP
Crypto++ library namespace.
WAKE_OFB
WAKE stream cipher.
Definition: wake.h:51
AdditiveCipherConcretePolicy::OperateKeystream
virtual void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)=0
Operates the keystream.
NameValuePairs
Interface for retrieving values given their names.
Definition: cryptlib.h:277
strciphr.h
Classes for implementing stream ciphers.