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55 lines
1.3 KiB
55 lines
1.3 KiB
5 years ago
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// serpent.h - written and placed in the public domain by Wei Dai
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//! \file serpent.h
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//! \brief Classes for the Serpent block cipher
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#ifndef CRYPTOPP_SERPENT_H
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#define CRYPTOPP_SERPENT_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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//! _
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struct Serpent_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, public FixedRounds<32>
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{
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static const char *StaticAlgorithmName() {return "Serpent";}
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};
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/// <a href="http://www.weidai.com/scan-mirror/cs.html#Serpent">Serpent</a>
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class Serpent : public Serpent_Info, public BlockCipherDocumentation
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{
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class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Serpent_Info>
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{
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public:
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void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
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protected:
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FixedSizeSecBlock<word32, 33*4> m_key;
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};
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class CRYPTOPP_NO_VTABLE Enc : public Base
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{
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public:
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void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
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};
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class CRYPTOPP_NO_VTABLE Dec : public Base
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{
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public:
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void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
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};
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public:
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typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
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typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
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};
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typedef Serpent::Encryption SerpentEncryption;
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typedef Serpent::Decryption SerpentDecryption;
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NAMESPACE_END
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#endif
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