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#ifndef CRYPTOPP_CAMELLIA_H
#define CRYPTOPP_CAMELLIA_H
#include "config.h"
#ifdef WORD64_AVAILABLE
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! _
struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
{
static const char *StaticAlgorithmName() {return "Camellia";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#Camellia">Camellia</a>
class Camellia : public Camellia_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info>
{
public:
void UncheckedSetKey(CipherDir dir, const byte *key, unsigned int keylen);
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
protected:
static word64 F(word64 X);
static void FLlayer(word64 *x, word64 K1, word64 K2);
static const byte s1[256];
static const byte s2[256];
static const byte s3[256];
static const byte s4[256];
unsigned int m_rounds;
SecBlock<word64> m_key;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef Camellia::Encryption CamelliaEncryption;
typedef Camellia::Decryption CamelliaDecryption;
NAMESPACE_END
#endif
#endif
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