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mars.h

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00001 #ifndef CRYPTOPP_MARS_H 00002 #define CRYPTOPP_MARS_H 00003 00004 /** \file 00005 */ 00006 00007 #include "seckey.h" 00008 #include "secblock.h" 00009 00010 NAMESPACE_BEGIN(CryptoPP) 00011 00012 struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 4> 00013 { 00014 static const char *StaticAlgorithmName() {return "MARS";} 00015 }; 00016 00017 /// <a href="http://www.weidai.com/scan-mirror/cs.html#MARS">MARS</a> 00018 class MARS : public MARS_Info, public BlockCipherDocumentation 00019 { 00020 class Base : public BlockCipherBaseTemplate<MARS_Info> 00021 { 00022 public: 00023 void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length); 00024 00025 protected: 00026 static const word32 Sbox[512]; 00027 00028 FixedSizeSecBlock<word32, 40> EK; 00029 }; 00030 00031 class Enc : public Base 00032 { 00033 public: 00034 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; 00035 }; 00036 00037 class Dec : public Base 00038 { 00039 public: 00040 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; 00041 }; 00042 00043 public: 00044 typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption; 00045 typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption; 00046 }; 00047 00048 typedef MARS::Encryption MARSEncryption; 00049 typedef MARS::Decryption MARSDecryption; 00050 00051 NAMESPACE_END 00052 00053 #endif

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