122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
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// MsRsaPubKB.cpp -- MicroSoft RSA Public Key Blob class implementation
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// (c) Copyright Schlumberger Technology Corp., unpublished work, created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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#include "NoWarning.h"
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#include "ForceLib.h"
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#include <limits>
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#include <windows.h>
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#include "MsRsaPubKB.h"
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using namespace std;
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using namespace scu;
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/////////////////////////// LOCAL/HELPER /////////////////////////////////
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namespace
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{
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MsRsaPublicKeyBlob::StrengthType
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Strength(Blob::size_type st)
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{
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return st *
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numeric_limits<MsRsaPublicKeyBlob::ElementValueType>::digits;
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}
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MsRsaPublicKeyBlob::SizeType
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Reserve(Blob::size_type st)
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{
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return st * sizeof MsRsaPublicKeyBlob::HeaderElementType;
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}
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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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MsRsaPublicKeyBlob::MsRsaPublicKeyBlob(ALG_ID algid,
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Blob const &rblbPublicExponent,
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Blob const &rblbRawModulus)
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: MsRsaKeyBlob(PUBLICKEYBLOB, algid,
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Strength(rblbRawModulus.length()),
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rblbPublicExponent,
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Reserve(rblbRawModulus.length()))
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{
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Init(rblbRawModulus);
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}
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MsRsaPublicKeyBlob::MsRsaPublicKeyBlob(BYTE const *pbData,
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DWORD dwDataLength)
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: MsRsaKeyBlob(pbData, dwDataLength)
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{}
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MsRsaPublicKeyBlob::~MsRsaPublicKeyBlob()
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{}
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// Operators
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// Operations
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// Access
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MsRsaPublicKeyBlob::ValueType const *
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MsRsaPublicKeyBlob::Data() const
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{
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return reinterpret_cast<ValueType const *>(MsRsaKeyBlob::Data());
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}
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MsRsaPublicKeyBlob::ElementValueType const *
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MsRsaPublicKeyBlob::Modulus() const
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{
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return reinterpret_cast<ElementValueType const *>(MsRsaKeyBlob::Data() + 1);
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}
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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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MsRsaPublicKeyBlob::MsRsaPublicKeyBlob(KeyBlobType kbt,
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ALG_ID algid,
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Blob const &rblbRawExponent,
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Blob const &rblbRawModulus,
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SizeType cReserve)
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: MsRsaKeyBlob(kbt, algid, Strength(rblbRawModulus.length()),
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rblbRawExponent,
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Reserve(rblbRawModulus.length()) + cReserve)
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{
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Init(rblbRawModulus);
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}
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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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/////////////////////////// PRIVATE /////////////////////////////////
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// C'tors/D'tors
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// Operators
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// Operations
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void
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MsRsaPublicKeyBlob::Init(Blob const &rblbRawModulus)
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{
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Append(rblbRawModulus.data(), rblbRawModulus.length());
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}
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// Access
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// Predicates
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// Static Variables
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