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sosemanuk.h

    00001 #ifndef CRYPTOPP_SOSEMANUK_H
    00002 #define CRYPTOPP_SOSEMANUK_H
    00003
    00004 #include "strciphr.h"
    00005
    00006 NAMESPACE_BEGIN(CryptoPP)
    00007
    00008 //! algorithm info
    00009 struct SosemanukInfo : public VariableKeyLength<16, 1, 32, 1, SimpleKeyingInterface::UNIQUE_IV, 16>
    00010 {
    00011     static const char * StaticAlgorithmName() {return "Sosemanuk";}
    00012 };
    00013
    00014 //! _
    00015 class SosemanukPolicy : public AdditiveCipherConcretePolicy<word32, 20>, public SosemanukInfo
    00016 {
    00017 protected:
    00018     void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
    00019     void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
    00020     void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
    00021     bool CipherIsRandomAccess() const {return false;}
    00022 #if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64
    00023     unsigned int GetAlignment() const;
    00024     unsigned int GetOptimalBlockSize() const;
    00025 #endif
    00026
    00027     FixedSizeSecBlock<word32, 25*4> m_key;
    00028     FixedSizeAlignedSecBlock<word32, 12> m_state;
    00029 };
    00030
    00031 //! <a href="http://www.cryptolounge.org/wiki/Sosemanuk">Sosemanuk</a>
    00032 struct Sosemanuk : public SosemanukInfo, public SymmetricCipherDocumentation
    00033 {
    00034     typedef SymmetricCipherFinal<ConcretePolicyHolder<SosemanukPolicy, AdditiveCipherTemplate<> >, SosemanukInfo> Encryption;
    00035     typedef Encryption Decryption;
    00036 };
    00037
    00038 NAMESPACE_END
    00039
    00040 #endif