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  • Committer: weidai
  • Date: 2009-03-02 02:39:17 UTC
  • Revision ID: svn-v4:57ff6487-cd31-0410-9ec3-f628ee90f5f0:trunk/c5:433
changes for 5.6: 
    - added AuthenticatedSymmetricCipher interface class and Filter wrappers
    - added CCM, GCM (with SSE2 assembly), CMAC, and SEED
    - improved AES speed on x86 and x64
    - removed WORD64_AVAILABLE; compiler 64-bit int support is now required

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rng.h
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        LC_RNG(word32 init_seed)
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                : seed(init_seed) {}
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        byte GenerateByte();
 
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        void GenerateBlock(byte *output, size_t size);
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        word32 GetSeed() {return seed;}
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        // cipher will be deleted by destructor, deterministicTimeVector = 0 means obtain time vector from system
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        X917RNG(BlockTransformation *cipher, const byte *seed, const byte *deterministicTimeVector = 0);
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        byte GenerateByte();
 
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        void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size);
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private:
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        member_ptr<BlockTransformation> cipher;
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        const int S;                    // blocksize of cipher
 
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        unsigned int S;                 // blocksize of cipher
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        SecByteBlock dtbuf;     // buffer for enciphered timestamp
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        SecByteBlock randseed, randbuf, m_deterministicTimeVector;
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        int randbuf_counter;    // # of unused bytes left in randbuf
 
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        SecByteBlock randseed, m_lastBlock, m_deterministicTimeVector;
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};
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/** This class implements Maurer's Universal Statistical Test for Random Bit Generators