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-rw-r--r--CryptoPP/square.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/CryptoPP/square.h b/CryptoPP/square.h
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+++ b/CryptoPP/square.h
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+#ifndef CRYPTOPP_SQUARE_H
+#define CRYPTOPP_SQUARE_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct Square_Info : public FixedBlockSize<16>, public FixedKeyLength<16>, FixedRounds<8>
+{
+ static const char *StaticAlgorithmName() {return "Square";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#Square">Square</a>
+class Square : public Square_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Square_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+ protected:
+ FixedSizeSecBlock<word32, 4*(ROUNDS+1)> m_roundkeys;
+ };
+
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ private:
+ static const byte Se[256];
+ static const word32 Te[4][256];
+ };
+
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ private:
+ static const byte Sd[256];
+ static const word32 Td[4][256];
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef Square::Encryption SquareEncryption;
+typedef Square::Decryption SquareDecryption;
+
+NAMESPACE_END
+
+#endif