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Diffstat (limited to 'c5/shark.h')
-rw-r--r-- | c5/shark.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/c5/shark.h b/c5/shark.h new file mode 100644 index 0000000..001441a --- /dev/null +++ b/c5/shark.h @@ -0,0 +1,68 @@ +#ifndef CRYPTOPP_SHARK_H +#define CRYPTOPP_SHARK_H + +/** \file +*/ + +#include "config.h" + +#ifdef WORD64_AVAILABLE + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +struct SHARK_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 16>, public VariableRounds<6, 2> +{ + static const char *StaticAlgorithmName() {return "SHARK-E";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#SHARK-E">SHARK-E</a> +class SHARK : public SHARK_Info, public BlockCipherDocumentation +{ + class Base : public BlockCipherBaseTemplate<SHARK_Info> + { + public: + void UncheckedSetKey(CipherDir dir, const byte *key, unsigned int length, unsigned int rounds); + + protected: + unsigned int m_rounds; + SecBlock<word64> m_roundKeys; + }; + + class Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + // used by Base to do key setup + void InitForKeySetup(); + + private: + static const byte sbox[256]; + static const word64 cbox[8][256]; + }; + + class Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + private: + static const byte sbox[256]; + static const word64 cbox[8][256]; + }; + +public: + typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption; + typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption; +}; + +typedef SHARK::Encryption SHARKEncryption; +typedef SHARK::Decryption SHARKDecryption; + +NAMESPACE_END + +#endif +#endif |