camellia.h

Go to the documentation of this file.

// camellia.h - written and placed in the public domain by Wei Dai


#ifndef CRYPTOPP_CAMELLIA_H
#define CRYPTOPP_CAMELLIA_H

#include "config.h"
#include "seckey.h"
#include "secblock.h"

NAMESPACE_BEGIN(CryptoPP)

struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
{
        CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "Camellia";}
};

class Camellia : public Camellia_Info, public BlockCipherDocumentation
{
        class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info>
        {
        public:
                void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
                void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;

        protected:
                CRYPTOPP_ALIGN_DATA(4) static const byte s1[256];
                static const word32 SP[4][256];

                unsigned int m_rounds;
                SecBlock<word32> m_key;
        };

public:
        typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
        typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};

typedef Camellia::Encryption CamelliaEncryption;
typedef Camellia::Decryption CamelliaDecryption;

NAMESPACE_END

#endif