Source code of Windows XP (NT5)
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// MsRsaPubKB.cpp -- MicroSoft RSA Public Key Blob class implementation
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
// 1999. 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 "NoWarning.h"
#include "ForceLib.h"
#include <limits>
#include <windows.h>
#include "MsRsaPubKB.h"
using namespace std;
using namespace scu;
/////////////////////////// LOCAL/HELPER /////////////////////////////////
namespace
{
MsRsaPublicKeyBlob::StrengthType
Strength(Blob::size_type st)
{
return st *
numeric_limits<MsRsaPublicKeyBlob::ElementValueType>::digits;
}
MsRsaPublicKeyBlob::SizeType
Reserve(Blob::size_type st)
{
return st * sizeof MsRsaPublicKeyBlob::HeaderElementType;
}
}
/////////////////////////// PUBLIC /////////////////////////////////
// Types
// C'tors/D'tors
MsRsaPublicKeyBlob::MsRsaPublicKeyBlob(ALG_ID algid,
Blob const &rblbPublicExponent,
Blob const &rblbRawModulus)
: MsRsaKeyBlob(PUBLICKEYBLOB, algid,
Strength(rblbRawModulus.length()),
rblbPublicExponent,
Reserve(rblbRawModulus.length()))
{
Init(rblbRawModulus);
}
MsRsaPublicKeyBlob::MsRsaPublicKeyBlob(BYTE const *pbData,
DWORD dwDataLength)
: MsRsaKeyBlob(pbData, dwDataLength)
{}
MsRsaPublicKeyBlob::~MsRsaPublicKeyBlob()
{}
// Operators
// Operations
// Access
MsRsaPublicKeyBlob::ValueType const *
MsRsaPublicKeyBlob::Data() const
{
return reinterpret_cast<ValueType const *>(MsRsaKeyBlob::Data());
}
MsRsaPublicKeyBlob::ElementValueType const *
MsRsaPublicKeyBlob::Modulus() const
{
return reinterpret_cast<ElementValueType const *>(MsRsaKeyBlob::Data() + 1);
}
// Predicates
// Static Variables
/////////////////////////// PROTECTED /////////////////////////////////
// C'tors/D'tors
MsRsaPublicKeyBlob::MsRsaPublicKeyBlob(KeyBlobType kbt,
ALG_ID algid,
Blob const &rblbRawExponent,
Blob const &rblbRawModulus,
SizeType cReserve)
: MsRsaKeyBlob(kbt, algid, Strength(rblbRawModulus.length()),
rblbRawExponent,
Reserve(rblbRawModulus.length()) + cReserve)
{
Init(rblbRawModulus);
}
// Operators
// Operations
// Access
// Predicates
// Static Variables
/////////////////////////// PRIVATE /////////////////////////////////
// C'tors/D'tors
// Operators
// Operations
void
MsRsaPublicKeyBlob::Init(Blob const &rblbRawModulus)
{
Append(rblbRawModulus.data(), rblbRawModulus.length());
}
// Access
// Predicates
// Static Variables