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50 lines
1.5 KiB
50 lines
1.5 KiB
14 years ago
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//////////////////////////////////////////////////////////////////////////////////
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// Name: actIEMSAAlg.h
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// Product: cv act library
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// Purpose: IEMSAAlg (Encoding Methods for Signatures with Appendix) is an
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// abstract class derived from IAlgorithm. Encoding methods do not
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// use keys. These algorithms prepare the data to sign. They can be
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// implemented with or without hash functions.
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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_IEMSAAlg_h
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#define ACT_IEMSAAlg_h
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#include "actBasics.h"
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#include "actIAlgorithm.h"
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namespace act
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{
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class IEMSAAlg : public IAlgorithm
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{
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public:
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virtual IEMSAAlg* Clone() const =0;
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virtual void Import(const Blob &blob) =0;
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virtual void Export(Blob &blob) const =0;
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virtual void SetParam(paramid_t id,const Blob &blob) =0;
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virtual void SetParam(paramid_t id,int val) =0;
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virtual void SetParam(paramid_t id,const char* cstr) =0;
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virtual void GetParam(paramid_t id,Blob &blob) const =0;
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virtual int GetParam(paramid_t) const =0;
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virtual void Reset(size_t sizeinbits) =0;
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virtual void* GetCreatePointer() const =0;
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virtual bool Verify(const Blob &em, const Blob &sig_inv) =0;
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virtual ~IEMSAAlg(){}
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};
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} // namespace act
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#endif
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