Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / infocard / Client / System / IdentityModel / Selectors / InfoCardRSACryptoProvider.cs / 1305376 / 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 = CardSpaceSelector.GetShim().m_csShimDecrypt( 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 = CardSpaceSelector.GetShim().m_csShimEncrypt( 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 = CardSpaceSelector.GetShim().m_csShimSignHash( 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 = CardSpaceSelector.GetShim().m_csShimVerifyHash( 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- HttpCacheVaryByContentEncodings.cs
- SizeAnimationBase.cs
- ColumnWidthChangingEvent.cs
- IdleTimeoutMonitor.cs
- AmbientProperties.cs
- Oid.cs
- CultureMapper.cs
- Matrix3DConverter.cs
- DefaultBinder.cs
- IRCollection.cs
- KeyInfo.cs
- HybridWebProxyFinder.cs
- ToolStripItemRenderEventArgs.cs
- RouteItem.cs
- VBCodeProvider.cs
- SqlBuffer.cs
- RSAOAEPKeyExchangeFormatter.cs
- _IPv6Address.cs
- CheckedListBox.cs
- SparseMemoryStream.cs
- KoreanLunisolarCalendar.cs
- SqlTypesSchemaImporter.cs
- GlyphInfoList.cs
- Bezier.cs
- WebPartConnectionsConfigureVerb.cs
- DataGridViewBand.cs
- NavigationPropertySingletonExpression.cs
- BitmapImage.cs
- StateWorkerRequest.cs
- AlphabeticalEnumConverter.cs
- LinqDataSourceEditData.cs
- RichTextBoxAutomationPeer.cs
- Brushes.cs
- BeginEvent.cs
- ThreadAbortException.cs
- EventRoute.cs
- HtmlImage.cs
- MediaPlayerState.cs
- Switch.cs
- MarkupCompiler.cs
- TreeNodeSelectionProcessor.cs
- DataGridColumnStyleMappingNameEditor.cs
- X509Utils.cs
- GroupBoxAutomationPeer.cs
- NavigateUrlConverter.cs
- GlobalProxySelection.cs
- ConfigurationStrings.cs
- ManipulationStartingEventArgs.cs
- DataSourceControlBuilder.cs
- InputMethod.cs
- AspNetSynchronizationContext.cs
- DoubleAnimation.cs
- ConsoleCancelEventArgs.cs
- ProfileProvider.cs
- StateRuntime.cs
- AssemblyEvidenceFactory.cs
- EventsTab.cs
- CollectionTypeElement.cs
- ChtmlTextWriter.cs
- WebPartCancelEventArgs.cs
- Point4DValueSerializer.cs
- ControlCollection.cs
- WinFormsUtils.cs
- Stream.cs
- PropertyPath.cs
- PeerReferralPolicy.cs
- DbSource.cs
- BrowserTree.cs
- DataStorage.cs
- SafeThemeHandle.cs
- StringReader.cs
- MaterializeFromAtom.cs
- MsmqTransportReceiveParameters.cs
- SiteMapNodeItem.cs
- DefaultEvaluationContext.cs
- SqlSelectStatement.cs
- DoubleLink.cs
- SqlCacheDependencyDatabaseCollection.cs
- Debugger.cs
- EditorResources.cs
- DataGridHeaderBorder.cs
- ShaderEffect.cs
- OperandQuery.cs
- XmlSchemaResource.cs
- AnimationException.cs
- XmlImplementation.cs
- ToolStripContentPanelRenderEventArgs.cs
- DataTable.cs
- GuidelineCollection.cs
- TemplateParser.cs
- PropertyFilterAttribute.cs
- BinaryFormatterWriter.cs
- PasswordBoxAutomationPeer.cs
- NameValueConfigurationCollection.cs
- ToolStripContentPanel.cs
- FixedSOMContainer.cs
- XmlAggregates.cs
- WindowExtensionMethods.cs
- ChoiceConverter.cs
- CancellableEnumerable.cs