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52 lines
1.4 KiB
52 lines
1.4 KiB
14 years ago
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//////////////////////////////////////////////////////////////////////////////////
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// Name: actIStreamCipher.h
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// Product: cv act library
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// Purpose: The class IStreamCipher creates the symmetric StreamCipher, which is
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// defined by IStreamCipherKey. It offers operations like encrypt, decrypt
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// and queries involving validity or keylength etc.
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//
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// Copyright: (c) 2001 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_IStreamCipher_h
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#define ACT_IStreamCipher_h
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#include "actBasics.h"
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namespace act
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{
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class Blob;
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class IStreamCipher
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{
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public:
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virtual IStreamCipher* Clone() const =0;
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virtual void Import( const Blob& indata ) =0;
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virtual void Export( Blob& outdata ) const =0;
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virtual void SetRawKey( const Blob& keyblob ) =0;
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virtual void GetRawKey( Blob& keyblob ) const =0;
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virtual void Process(const byte* input, byte* output, size_t input_len) const =0;
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virtual size_t GetKeySize(size_t keysize=0) const =0;
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virtual size_t GetMinKeySize() const =0;
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virtual size_t GetMaxKeySize() const =0;
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virtual size_t GetNextKeySize(size_t prevsize) const =0;
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virtual void* GetCreatePointer() const =0;
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virtual ~IStreamCipher() {};
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};
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}// namespace act
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#endif
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