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
![Network programming in C#, Network Programming in VB.NET, Network Programming in .NET](/images/book.jpg)
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- AsyncCodeActivityContext.cs
- xsdvalidator.cs
- BitmapData.cs
- WorkflowApplicationCompletedException.cs
- RelationshipSet.cs
- Rotation3DKeyFrameCollection.cs
- ChildDocumentBlock.cs
- TileModeValidation.cs
- QueryParameter.cs
- WorkflowOperationContext.cs
- util.cs
- VisualBrush.cs
- ModelItemCollection.cs
- TimeManager.cs
- IsolatedStorageFilePermission.cs
- TextBoxBase.cs
- SocketElement.cs
- ResourceProviderFactory.cs
- Line.cs
- DataSourceProvider.cs
- EncryptedKeyHashIdentifierClause.cs
- PrimitiveCodeDomSerializer.cs
- SqlUnionizer.cs
- BStrWrapper.cs
- DecimalStorage.cs
- RepeaterItemEventArgs.cs
- ConnectionProviderAttribute.cs
- RegexParser.cs
- IDataContractSurrogate.cs
- DataSetViewSchema.cs
- OleDbStruct.cs
- ConfigPathUtility.cs
- KoreanCalendar.cs
- DataListItemEventArgs.cs
- CellRelation.cs
- TextServicesDisplayAttribute.cs
- _NetRes.cs
- NGCSerializationManager.cs
- ServiceTimeoutsElement.cs
- GlyphRunDrawing.cs
- WindowsPen.cs
- OleDbCommandBuilder.cs
- BitmapEffectGroup.cs
- SineEase.cs
- PartialCachingControl.cs
- AuthStoreRoleProvider.cs
- CroppedBitmap.cs
- oledbmetadatacolumnnames.cs
- DataObject.cs
- RecipientServiceModelSecurityTokenRequirement.cs
- PrimitiveXmlSerializers.cs
- ContextBase.cs
- RecordsAffectedEventArgs.cs
- ByValueEqualityComparer.cs
- xamlnodes.cs
- DetailsViewRow.cs
- Queue.cs
- RtfControlWordInfo.cs
- ToolStripOverflow.cs
- ClassDataContract.cs
- DataControlButton.cs
- StringAttributeCollection.cs
- FlowDocumentReader.cs
- XmlSchemaImporter.cs
- DesignTimeVisibleAttribute.cs
- AbsoluteQuery.cs
- SmtpNetworkElement.cs
- securitycriticaldataClass.cs
- ValueType.cs
- SHA384CryptoServiceProvider.cs
- ValidationSummary.cs
- RegexCompilationInfo.cs
- MailMessage.cs
- SafeArchiveContext.cs
- Assert.cs
- IResourceProvider.cs
- AsyncPostBackTrigger.cs
- BufferedReadStream.cs
- VBCodeProvider.cs
- WebDisplayNameAttribute.cs
- Model3D.cs
- BitHelper.cs
- SoapIncludeAttribute.cs
- OperandQuery.cs
- XmlTypeMapping.cs
- RecognitionResult.cs
- RijndaelCryptoServiceProvider.cs
- TextEffect.cs
- SubMenuStyleCollection.cs
- ClockGroup.cs
- PersistenceTypeAttribute.cs
- _NegoStream.cs
- HMACMD5.cs
- LineInfo.cs
- XmlWhitespace.cs
- EntityClassGenerator.cs
- Vector3D.cs
- LineBreak.cs
- ToolbarAUtomationPeer.cs
- SelectionPatternIdentifiers.cs