87 lines
3 KiB
C++
87 lines
3 KiB
C++
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// HashMD5.cpp -- definition of MD5Hash
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// (c) Copyright Schlumberger Technology Corp., unpublished work, created
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// 1998. 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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#include "stdafx.h" // because handles.h uses the ASSERT macro
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#include <memory> // for auto_ptr
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#include "HashMD5.h"
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using namespace std;
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/////////////////////////// LOCAL/HELPER /////////////////////////////////
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/////////////////////////// PUBLIC /////////////////////////////////
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// Types
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// C'tors/D'tors
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CHashMD5::CHashMD5(CryptContext const &rcryptctx)
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: CHashContext(rcryptctx, CALG_MD5)
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{}
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CHashMD5::~CHashMD5() throw()
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{}
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// Operators
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// Operations
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auto_ptr<CHashContext>
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CHashMD5::Clone(DWORD const *pdwReserved,
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DWORD dwFlags) const
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{
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return auto_ptr<CHashContext>(new CHashMD5(*this, pdwReserved,
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dwFlags));
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}
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// Access
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// Predicates
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// Static Variables
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/////////////////////////// PROTECTED /////////////////////////////////
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// C'tors/D'tors
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// Duplicate the hash and its state
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CHashMD5::CHashMD5(CHashMD5 const &rhs,
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DWORD const *pdwReserved,
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DWORD dwFlags)
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: CHashContext(rhs, pdwReserved, dwFlags)
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{}
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// Operators
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// Operations
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// Access
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Blob
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CHashMD5::EncodedAlgorithmOid()
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{
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// MD5 Algorithm Object IDentifier (OID) in ASN.1 format (little endian)
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static unsigned char const sMd5Oid[] =
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{
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'\x30', '\x20', '\x30', '\x0c', '\x06', '\x08',
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'\x2a', '\x86', '\x48', '\x86', '\xf7', '\x0d',
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'\x02', '\x05', '\x05', '\x00', '\x04', '\x10'
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};
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return Blob(sMd5Oid, sizeof sMd5Oid / sizeof *sMd5Oid);
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}
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// Predicates
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// Static Variables
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/////////////////////////// PRIVATE /////////////////////////////////
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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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// Static Variables
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