83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
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// AuxHash.h -- Auxillary Hash class declaration
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// (c) Copyright Schlumberger Technology Corp., unpublished work, created
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// 1999. This computer program includes Confidential, Proprietary
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// Information and is a Trade Secret of Schlumberger Technology Corp. All
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// use, disclosure, and/or reproduction is prohibited unless authorized
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// in writing. All Rights Reserved.
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#if !defined(SLBCSP_AUXHASH_H)
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#define SLBCSP_AUXHASH_H
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#include <wincrypt.h>
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#include "Blob.h"
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#include "AuxContext.h"
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// Base class for all hash classes using a CSP (Auxillary provider)
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class AuxHash
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{
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public:
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// Types
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// C'tors/D'tors
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AuxHash(AuxContext &rauxcontext, // Context to use
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ALG_ID ai, // Hashing algorithm
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HCRYPTKEY hKey = 0); // Encryption key
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virtual
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~AuxHash();
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// Operators
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// Operations
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void
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Import(Blob const &rblob);
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void
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Update(Blob const &rblob);
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// Access
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ALG_ID
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AlgId() const;
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DWORD
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Size() const;
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Blob
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Value() const;
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Blob
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Value(Blob const &rblob);
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// Predicates
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protected:
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// Types
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// C'tors/D'tors
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// Operators
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// Operations
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// Access
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// Predicates
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// Variables
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private:
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// Types
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// C'tors/D'tors
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AuxHash(AuxHash const &rhs); // do not define
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// Operators
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AuxHash &
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operator=(AuxHash const &rhs); // do not define
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// Operations
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// Access
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// Predicates
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// Variables
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HCRYPTHASH m_hHash;
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};
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#endif // SLBCSP_AUXHASH_H
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