Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / infocard / Client / System / IdentityModel / Selectors / InfoCardRSACryptoProvider.cs / 1 / InfoCardRSACryptoProvider.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace System.IdentityModel.Selectors { using System; using System.ComponentModel; using System.Runtime.InteropServices; using System.Runtime.ConstrainedExecution; using System.Runtime.CompilerServices; using System.Security.Cryptography; using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace; using DiagnosticUtility = Microsoft.InfoCards.Diagnostics.DiagnosticUtility; // // For common & resources // using Microsoft.InfoCards; // // Summary: // This class provides indirect access to the private key associated with a released token via InfoCard // native crypto functions. // internal class InfoCardRSACryptoProvider : RSA { AsymmetricCryptoHandle m_cryptoHandle; RpcAsymmetricCryptoParameters m_params; // // Summary: // Given a pointer to a CryptoHandle create a new instance of this class. // public InfoCardRSACryptoProvider( AsymmetricCryptoHandle cryptoHandle ) : base() { m_cryptoHandle = (AsymmetricCryptoHandle)cryptoHandle.Duplicate(); try { m_params = (RpcAsymmetricCryptoParameters) m_cryptoHandle.Parameters; int keySize = m_params.keySize; LegalKeySizesValue = new KeySizes[ 1 ]; KeySizeValue = keySize; LegalKeySizesValue[ 0 ] = new KeySizes( keySize, keySize, 0 ); } catch { m_cryptoHandle.Dispose(); m_cryptoHandle = null; throw; } } public override String SignatureAlgorithm { get { return m_params.signatureAlgorithm; } } public override String KeyExchangeAlgorithm { get { return m_params.keyExchangeAlgorithm; } } public override byte[] EncryptValue( byte[] rgb ) { throw IDT.ThrowHelperError( new NotSupportedException() ); } public override byte[] DecryptValue( byte[] rgb ) { throw IDT.ThrowHelperError( new NotSupportedException() ); } public byte[] Decrypt(byte[] inData, bool fAOEP ) { GlobalAllocSafeHandle pOutData = null; int cbOutData = 0; byte[] outData; IDT.ThrowInvalidArgumentConditional( null == inData, "indata" ); using( HGlobalSafeHandle pInData = HGlobalSafeHandle.Construct( inData.Length ) ) { Marshal.Copy( inData, 0, pInData.DangerousGetHandle(), inData.Length ); int status = NativeMethods.Decrypt( m_cryptoHandle.InternalHandle, fAOEP, inData.Length, pInData, out cbOutData, out pOutData ); if( 0 != status ) { ExceptionHelper.ThrowIfCardSpaceException( status ); throw IDT.ThrowHelperError( new Win32Exception( status ) ); } pOutData.Length = cbOutData; outData = DiagnosticUtility.Utility.AllocateByteArray( pOutData.Length ); using( pOutData ) { Marshal.Copy( pOutData.DangerousGetHandle(), outData, 0, pOutData.Length ); } } return outData; } public byte[] Encrypt(byte[] inData, bool fAOEP ) { GlobalAllocSafeHandle pOutData = null; int cbOutData = 0; byte[] outData; IDT.ThrowInvalidArgumentConditional( null == inData, "indata" ); using( HGlobalSafeHandle pInData = HGlobalSafeHandle.Construct( inData.Length ) ) { Marshal.Copy( inData, 0, pInData.DangerousGetHandle(), inData.Length ); int status = NativeMethods.Encrypt( m_cryptoHandle.InternalHandle, fAOEP, inData.Length, pInData, out cbOutData, out pOutData ); if( 0 != status ) { ExceptionHelper.ThrowIfCardSpaceException( status ); throw IDT.ThrowHelperError( new Win32Exception( status ) ); } pOutData.Length = cbOutData; outData = DiagnosticUtility.Utility.AllocateByteArray( pOutData.Length ); Marshal.Copy( pOutData.DangerousGetHandle(), outData, 0, pOutData.Length ); } return outData; } public byte[] SignHash( byte[] hash, string hashAlgOid ) { IDT.ThrowInvalidArgumentConditional( null == hash || 0 == hash.Length, "hash" ); IDT.ThrowInvalidArgumentConditional( String.IsNullOrEmpty( hashAlgOid ), "hashAlgOid" ); int cbSig = 0; GlobalAllocSafeHandle pSig = null; byte[] sig; using( HGlobalSafeHandle pHash = HGlobalSafeHandle.Construct( hash.Length ) ) { using( HGlobalSafeHandle pHashAlgOid = HGlobalSafeHandle.Construct( hashAlgOid ) ) { Marshal.Copy( hash, 0, pHash.DangerousGetHandle(), hash.Length ); RuntimeHelpers.PrepareConstrainedRegions(); int status = NativeMethods.SignHash( m_cryptoHandle.InternalHandle, hash.Length, pHash, pHashAlgOid, out cbSig, out pSig ); if( 0 != status ) { ExceptionHelper.ThrowIfCardSpaceException( status ); throw IDT.ThrowHelperError( new Win32Exception( status ) ); } pSig.Length = cbSig; sig = DiagnosticUtility.Utility.AllocateByteArray( pSig.Length); using( pSig ) { Marshal.Copy( pSig.DangerousGetHandle(), sig, 0, pSig.Length ); } } } return sig; } public bool VerifyHash( byte[] hash, string hashAlgOid, byte[] sig ) { IDT.ThrowInvalidArgumentConditional( null == hash || 0 == hash.Length, "hash" ); IDT.ThrowInvalidArgumentConditional( String.IsNullOrEmpty( hashAlgOid ), "hashAlgOid" ); IDT.ThrowInvalidArgumentConditional( null == sig || 0 == sig.Length, "sig" ); bool verified = false; using( HGlobalSafeHandle pHash = HGlobalSafeHandle.Construct( hash.Length ) ) { using( HGlobalSafeHandle pHashAlgOid = HGlobalSafeHandle.Construct( hashAlgOid ) ) { Marshal.Copy( hash, 0, pHash.DangerousGetHandle(), hash.Length ); int status = 0; using( HGlobalSafeHandle pSig = HGlobalSafeHandle.Construct( sig.Length ) ) { Marshal.Copy( sig, 0, pSig.DangerousGetHandle(), sig.Length ); status = NativeMethods.VerifyHash( m_cryptoHandle.InternalHandle, hash.Length, pHash, pHashAlgOid, sig.Length, pSig, out verified); } if( 0 != status ) { ExceptionHelper.ThrowIfCardSpaceException( status ); throw IDT.ThrowHelperError( new Win32Exception( status ) ); } } } return verified; } public override RSAParameters ExportParameters(bool includePrivateParameters) { throw IDT.ThrowHelperError( new NotSupportedException() ); } public override string ToXmlString(bool includePrivateParameters) { throw IDT.ThrowHelperError( new NotSupportedException() ); } public override void FromXmlString(string xmlString) { throw IDT.ThrowHelperError( new NotSupportedException() ); } public override void ImportParameters(System.Security.Cryptography.RSAParameters parameters) { throw IDT.ThrowHelperError( new NotSupportedException() ); } protected override void Dispose(bool disposing) { m_cryptoHandle.Dispose(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DynamicDocumentPaginator.cs
- GlobalizationAssembly.cs
- ObjectHandle.cs
- CheckBoxFlatAdapter.cs
- ComboBoxAutomationPeer.cs
- ErrorWebPart.cs
- ExpressionBuilderCollection.cs
- BrowserCapabilitiesFactory.cs
- DmlSqlGenerator.cs
- DataKeyArray.cs
- ListCollectionView.cs
- SmtpNetworkElement.cs
- URLAttribute.cs
- WmpBitmapDecoder.cs
- TypeInformation.cs
- XMLDiffLoader.cs
- LicenseContext.cs
- CatalogZoneBase.cs
- ScrollChrome.cs
- UserPreference.cs
- TypeUnloadedException.cs
- ServicePointManager.cs
- BaseTemplateCodeDomTreeGenerator.cs
- OutKeywords.cs
- SEHException.cs
- XslVisitor.cs
- SiteOfOriginContainer.cs
- DetailsViewDeleteEventArgs.cs
- DoubleAnimationClockResource.cs
- EncryptedPackage.cs
- Label.cs
- ToolStripOverflow.cs
- SiteMapDesignerDataSourceView.cs
- CodeExporter.cs
- FileRecordSequence.cs
- LogReserveAndAppendState.cs
- ToolStripOverflowButton.cs
- Rect3D.cs
- DependencyPropertyKind.cs
- WorkflowServiceAttributesTypeConverter.cs
- MaterialCollection.cs
- MemberProjectedSlot.cs
- AnnotationResource.cs
- HttpModuleAction.cs
- WindowsListViewItemCheckBox.cs
- ContentOperations.cs
- EmbeddedObject.cs
- TemplateParser.cs
- HtmlInputCheckBox.cs
- CAGDesigner.cs
- HandleExceptionArgs.cs
- EntityViewGenerator.cs
- AccessDataSource.cs
- InternalMappingException.cs
- PtsCache.cs
- TableColumnCollectionInternal.cs
- DirectoryInfo.cs
- MultipartIdentifier.cs
- FormViewPageEventArgs.cs
- BitmapEffect.cs
- DataViewSetting.cs
- StrongTypingException.cs
- LastQueryOperator.cs
- TextFormatterImp.cs
- GeometryModel3D.cs
- SafePEFileHandle.cs
- ScrollChrome.cs
- BypassElement.cs
- InputMethodStateChangeEventArgs.cs
- SyndicationFeedFormatter.cs
- ProxyGenerator.cs
- ClientConfigurationHost.cs
- CancellationHandlerDesigner.cs
- ItemCheckEvent.cs
- InputScopeConverter.cs
- MaskInputRejectedEventArgs.cs
- GiveFeedbackEventArgs.cs
- ClientSideProviderDescription.cs
- ToolStripManager.cs
- SafeSecurityHelper.cs
- DrawingAttributes.cs
- PeerSecurityHelpers.cs
- PropertyTabChangedEvent.cs
- WithParamAction.cs
- HttpApplication.cs
- compensatingcollection.cs
- DateTimeConstantAttribute.cs
- SqlBuilder.cs
- EndOfStreamException.cs
- WebPartEditVerb.cs
- Light.cs
- ToolStripAdornerWindowService.cs
- ArrangedElementCollection.cs
- ProfileSection.cs
- ConvertEvent.cs
- OutputCacheModule.cs
- ChainedAsyncResult.cs
- ProgressBarBrushConverter.cs
- EnumCodeDomSerializer.cs
- ColorPalette.cs