50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// camellia.h - originally written and placed in the public domain by Wei Dai
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/// \file camellia.h
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/// \brief Classes for the Camellia block cipher
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#ifndef CRYPTOPP_CAMELLIA_H
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#define CRYPTOPP_CAMELLIA_H
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#include "config.h"
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#include "seckey.h"
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#include "secblock.h"
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NAMESPACE_BEGIN(CryptoPP)
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/// \brief Camellia block cipher information
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struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
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{
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CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "Camellia";}
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};
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/// \brief Camellia block cipher
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/// \sa <a href="http://www.cryptopp.com/wiki/Camellia">Camellia</a>
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class Camellia : public Camellia_Info, public BlockCipherDocumentation
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{
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class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info>
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{
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public:
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void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs ¶ms);
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void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
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protected:
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CRYPTOPP_ALIGN_DATA(4) static const byte s1[256];
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static const word32 SP[4][256];
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unsigned int m_rounds;
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SecBlock<word32> m_key;
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};
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public:
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typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
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typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
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};
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typedef Camellia::Encryption CamelliaEncryption;
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typedef Camellia::Decryption CamelliaDecryption;
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NAMESPACE_END
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#endif
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