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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