ext-cryptopp/rijndael.h

67 lines
1.6 KiB
C++

#ifndef CRYPTOPP_RIJNDAEL_H
#define CRYPTOPP_RIJNDAEL_H
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
{
CRYPTOPP_DLL static const char * StaticAlgorithmName() {return "Rijndael";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a>
class CRYPTOPP_DLL Rijndael : public Rijndael_Info, public BlockCipherDocumentation
{
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Rijndael_Info>
{
public:
void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length);
protected:
static const word32 Te0[256];
static const word32 Te1[256];
static const word32 Te2[256];
static const word32 Te3[256];
static const word32 Te4[256];
static const word32 Td0[256];
static const word32 Td1[256];
static const word32 Td2[256];
static const word32 Td3[256];
static const word32 Td4[256];
static const word32 rcon[];
unsigned int m_rounds;
SecBlock<word32> m_key;
};
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
class CRYPTOPP_DLL 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 Rijndael::Encryption RijndaelEncryption;
typedef Rijndael::Decryption RijndaelDecryption;
NAMESPACE_END
#endif