You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.7 KiB
60 lines
1.7 KiB
4 years ago
|
// wake.h - originally 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)
|
||
|
|
|
||
|
|
/// \brief WAKE stream cipher information
|
||
|
|
/// \tparam B Endianness of the stream cipher
|
||
|
|
/// \since Crypto++ 1.0
|
||
|
|
template <class B = BigEndian>
|
||
|
|
struct WAKE_OFB_Info : public FixedKeyLength<32>
|
||
|
|
{
|
||
|
|
CRYPTOPP_STATIC_CONSTEXPR 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;
|
||
|
|
};
|
||
|
|
|
||
|
|
/// \brief WAKE stream cipher operation
|
||
|
|
/// \tparam B Endianness of the stream cipher
|
||
|
|
/// \since Crypto++ 1.0
|
||
|
|
template <class B = BigEndian>
|
||
|
|
class CRYPTOPP_NO_VTABLE WAKE_Policy : public AdditiveCipherConcretePolicy<word32, 1, 64>, protected WAKE_Base
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length);
|
||
|
|
// OFB
|
||
|
|
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
|
||
|
|
bool CipherIsRandomAccess() const {return false;}
|
||
|
|
};
|
||
|
|
|
||
|
|
/// \brief WAKE stream cipher
|
||
|
|
/// \tparam B Endianness of the stream cipher
|
||
|
|
/// \since Crypto++ 1.0
|
||
|
|
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;
|
||
|
|
};
|
||
|
|
|
||
|
|
NAMESPACE_END
|
||
|
|
|
||
|
|
#endif
|