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-rw-r--r--CryptoPP/shark.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/CryptoPP/shark.h b/CryptoPP/shark.h
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+++ b/CryptoPP/shark.h
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+#ifndef CRYPTOPP_SHARK_H
+#define CRYPTOPP_SHARK_H
+
+/** \file
+*/
+
+#include "config.h"
+#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 CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SHARK_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &param);
+
+ protected:
+ unsigned int m_rounds;
+ SecBlock<word64> m_roundKeys;
+ };
+
+ class CRYPTOPP_NO_VTABLE 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 CRYPTOPP_NO_VTABLE 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 BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef SHARK::Encryption SHARKEncryption;
+typedef SHARK::Decryption SHARKDecryption;
+
+NAMESPACE_END
+
+#endif