windows-nt/Source/XPSP1/NT/ds/security/csps/cryptoflex/slbcsp/hashmd4.cpp

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2020-09-26 03:20:57 -05:00
// HashMD4.cpp -- definition of CHashMD4
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
// 2000. This computer program includes Confidential, Proprietary
// Information and is a Trade Secret of Schlumberger Technology Corp. All
// use, disclosure, and/or reproduction is prohibited unless authorized
// in writing. All Rights Reserved.
#include "stdafx.h" // because handles.h uses the ASSERT macro
#include <memory> // for auto_ptr
#include "HashMD4.h"
using namespace std;
/////////////////////////// LOCAL/HELPER /////////////////////////////////
/////////////////////////// PUBLIC /////////////////////////////////
// Types
// C'tors/D'tors
CHashMD4::CHashMD4(CryptContext const &rcryptctx)
: CHashContext(rcryptctx, CALG_MD4)
{}
CHashMD4::~CHashMD4() throw()
{}
// Operators
// Operations
auto_ptr<CHashContext>
CHashMD4::Clone(DWORD const *pdwReserved,
DWORD dwFlags) const
{
return auto_ptr<CHashContext>(new CHashMD4(*this, pdwReserved,
dwFlags));
}
// Access
// Predicates
// Static Variables
/////////////////////////// PROTECTED /////////////////////////////////
// C'tors/D'tors
// Duplicate the hash and its state
CHashMD4::CHashMD4(CHashMD4 const &rhs,
DWORD const *pdwReserved,
DWORD dwFlags)
: CHashContext(rhs, pdwReserved, dwFlags)
{}
// Operators
// Operations
// Access
Blob
CHashMD4::EncodedAlgorithmOid()
{
// MD4 Algorithm Object IDentifier (OID) in ASN.1 format (little endian)
static unsigned char const sMd4Oid[] =
{
'\x30', '\x20', '\x30', '\x0c', '\x06', '\x08',
'\x2a', '\x86', '\x48', '\x86', '\xf7', '\x0d',
'\x02', '\x04', '\x05', '\x00', '\x04', '\x10'
};
return Blob(sMd4Oid, sizeof sMd4Oid / sizeof *sMd4Oid);
}
// Predicates
// Static Variables
/////////////////////////// PRIVATE /////////////////////////////////
// C'tors/D'tors
// Operators
// Operations
// Access
// Predicates
// Static Variables