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74 lines
1.9 KiB
74 lines
1.9 KiB
14 years ago
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//////////////////////////////////////////////////////////////////////////////////
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// Name: actAlgorithm.h
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// Product: cv act library
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// Purpose: The class Algorithm generates algorithms for encryption and signing.
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// The class Key defined these algorithms. By using this handle the
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// necessary methods (e.g. hash-algorithms, verifying-primitiva, etc.)
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// can be generated.
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//
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// Copyright: (c) 2000 cv cryptovision GmbH
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// all rights reserved
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// Licence: The conditions for the use of this software are regulated
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// in the cv act library licence agreement.
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//////////////////////////////////////////////////////////////////////////////////
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#ifndef ACT_Algorithm_h
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#define ACT_Algorithm_h
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#include "actBasics.h"
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namespace act
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{
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class IAlgorithm;
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class IKey;
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class Blob;
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class Algorithm
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{
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private:
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Algorithm(const Algorithm&);
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Algorithm &operator=(const Algorithm&);
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public:
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Algorithm(IAlgorithm* alg);
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Algorithm(const IKey* key, mode_t mode);
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Algorithm(const IKey* key, mode_t mode, const Blob& data);
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Algorithm(const char* name);
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~Algorithm();
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void Write(const Blob& indata);
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void Write(const byte* indata, size_t insize);
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void Finalize();
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size_t Read(Blob& outdata, size_t max = 0);
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size_t Read(byte* outbuffer, size_t buffersize);
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size_t GetAvailableSize() const;
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status_t GetStatus() const;
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Algorithm& operator<<(const Blob& indata) { Write(indata); return *this; }
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Algorithm& operator<<(Algorithm& (*manipulator)(Algorithm &alg)) { return manipulator(*this); }
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Algorithm& operator>>(Blob& outdata) { Read(outdata); return *this; }
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operator IAlgorithm*();
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operator const IAlgorithm* () const;
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IAlgorithm* GetPointer();
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const IAlgorithm* GetPointer() const;
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IAlgorithm* ReleasePointer();
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private:
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IAlgorithm* mAlg;
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};
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inline Algorithm& final(Algorithm& alg)
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{
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alg.Finalize();
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return alg;
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}
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} // namespace act
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#endif // ACT_Algorithm_h
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