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54 lines
1.3 KiB
54 lines
1.3 KiB
// 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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