mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-23 06:36:54 +00:00
60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
#ifndef CRYPTOPP_TWOFISH_H
|
|
#define CRYPTOPP_TWOFISH_H
|
|
|
|
/** \file
|
|
*/
|
|
|
|
#include "seckey.h"
|
|
#include "secblock.h"
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
//! _
|
|
struct Twofish_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, FixedRounds<16>
|
|
{
|
|
static const char *StaticAlgorithmName() {return "Twofish";}
|
|
};
|
|
|
|
/// <a href="http://www.weidai.com/scan-mirror/cs.html#Twofish">Twofish</a>
|
|
class Twofish : public Twofish_Info, public BlockCipherDocumentation
|
|
{
|
|
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Twofish_Info>
|
|
{
|
|
public:
|
|
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
|
|
|
|
protected:
|
|
static word32 h0(word32 x, const word32 *key, unsigned int kLen);
|
|
static word32 h(word32 x, const word32 *key, unsigned int kLen);
|
|
|
|
static const byte q[2][256];
|
|
static const word32 mds[4][256];
|
|
|
|
FixedSizeSecBlock<word32, 40> m_k;
|
|
FixedSizeSecBlock<word32, 4*256> m_s;
|
|
};
|
|
|
|
class CRYPTOPP_NO_VTABLE Enc : public Base
|
|
{
|
|
public:
|
|
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
|
|
};
|
|
|
|
class CRYPTOPP_NO_VTABLE Dec : public Base
|
|
{
|
|
public:
|
|
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
|
|
};
|
|
|
|
public:
|
|
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
|
|
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
|
|
};
|
|
|
|
typedef Twofish::Encryption TwofishEncryption;
|
|
typedef Twofish::Decryption TwofishDecryption;
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif
|