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author | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2002-10-04 17:31:41 +0000 |
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committer | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2002-10-04 17:31:41 +0000 |
commit | b21162cf8e06f40baa1f58be6a8c17435cebc34d (patch) | |
tree | 8b045309c238226c32a563b1df6b9c30a2f0e0b3 /square.h | |
download | cryptopp-b21162cf8e06f40baa1f58be6a8c17435cebc34d.tar.gz |
Initial revision
git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@2 57ff6487-cd31-0410-9ec3-f628ee90f5f0
Diffstat (limited to 'square.h')
-rw-r--r-- | square.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/square.h b/square.h new file mode 100644 index 0000000..5ec9007 --- /dev/null +++ b/square.h @@ -0,0 +1,57 @@ +#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 Base : public BlockCipherBaseTemplate<Square_Info> + { + public: + void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length); + + protected: + FixedSizeSecBlock<word32[4], ROUNDS+1> roundkeys; + }; + + class 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 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 BlockCipherTemplate<ENCRYPTION, Enc> Encryption; + typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption; +}; + +typedef Square::Encryption SquareEncryption; +typedef Square::Decryption SquareDecryption; + +NAMESPACE_END + +#endif |