Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Base / MS / Internal / IO / Packaging / Certificate.cs / 1 / Certificate.cs
//------------------------------------------------------------------------------ // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // Handles serialization to/from X509 Certificate part (X509v3 = ASN.1 DER format) // // History: // 03/22/2004: [....]: Initial Implementation // //----------------------------------------------------------------------------- using System; using System.Diagnostics; // for Assert using System.Security.Cryptography.X509Certificates; using System.Windows; // For Exception strings - SRID using System.IO.Packaging; using System.IO; // for Stream using MS.Internal; // For ContentType namespace MS.Internal.IO.Packaging { ////// CertificatePart /// internal class CertificatePart { #region Internal Members //----------------------------------------------------- // // Internal Properties // //----------------------------------------------------- ////// Type of relationship to a Certificate Part /// static internal string RelationshipType { get { return _certificatePartRelationshipType; } } ////// Prefix of auto-generated Certificate Part names /// static internal string PartNamePrefix { get { return _certificatePartNamePrefix; } } ////// Extension of Certificate Part file names /// static internal string PartNameExtension { get { return _certificatePartNameExtension; } } ////// ContentType of Certificate Parts /// static internal ContentType ContentType { get { return _certificatePartContentType; } } internal Uri Uri { get { return _part.Uri; } } //------------------------------------------------------ // // Internal Methods // //----------------------------------------------------- ////// Certificate to associate with this Certificate Part /// ////// stream is too large internal X509Certificate2 GetCertificate() { // lazy init if (_certificate == null) { // obtain from the part using (Stream s = _part.GetStream()) { if (s.Length > 0) { // throw if stream is beyond any reasonable length if (s.Length > _maximumCertificateStreamLength) throw new FileFormatException(SR.Get(SRID.CorruptedData)); // X509Certificate constructor desires a byte array Byte[] byteArray = new Byte[s.Length]; PackagingUtilities.ReliableRead(s, byteArray, 0, (int)s.Length); _certificate = new X509Certificate2(byteArray); } } } return _certificate; } internal void SetCertificate(X509Certificate2 certificate) { if (certificate == null) throw new ArgumentNullException("certificate"); _certificate = certificate; // persist to the part Byte[] byteArray = _certificate.GetRawCertData(); // FileMode.Create will ensure that the stream will shrink if overwritten using (Stream s = _part.GetStream(FileMode.Create, FileAccess.Write)) { s.Write(byteArray, 0, byteArray.Length); } } ////// CertificatePart constructor /// internal CertificatePart(Package container, Uri partName) { if (container == null) throw new ArgumentNullException("container"); if (partName == null) throw new ArgumentNullException("partName"); partName = PackUriHelper.ValidatePartUri(partName); // create if not found if (container.PartExists(partName)) { // open the part _part = container.GetPart(partName); // ensure the part is of the expected type if (_part.ValidatedContentType.AreTypeAndSubTypeEqual(_certificatePartContentType) == false) throw new FileFormatException(SR.Get(SRID.CertificatePartContentTypeMismatch)); } else { // create the part _part = container.CreatePart(partName, _certificatePartContentType.ToString()); } } //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ private PackagePart _part; // part that houses the certificate private X509Certificate2 _certificate; // certificate itself // certificate part constants private static readonly ContentType _certificatePartContentType = new ContentType("application/vnd.openxmlformats-package.digital-signature-certificate"); private static readonly string _certificatePartNamePrefix = "/package/services/digital-signature/certificate/"; private static readonly string _certificatePartNameExtension = ".cer"; private static readonly string _certificatePartRelationshipType = "http://schemas.openxmlformats.org/package/2006/relationships/digital-signature/certificate"; private static long _maximumCertificateStreamLength = 0x40000; // 4MB #endregion Private Members } } // 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
- IisTraceWebEventProvider.cs
- PbrsForward.cs
- SequenceDesigner.cs
- CounterSetInstanceCounterDataSet.cs
- SymmetricCryptoHandle.cs
- ServiceContractGenerator.cs
- BorderSidesEditor.cs
- SqlDependencyListener.cs
- WindowsPrincipal.cs
- DBCommand.cs
- AdapterDictionary.cs
- ClientScriptManager.cs
- GroupItem.cs
- DocumentPage.cs
- _DomainName.cs
- CharKeyFrameCollection.cs
- BatchParser.cs
- GroupItemAutomationPeer.cs
- ToolboxComponentsCreatingEventArgs.cs
- DbDataRecord.cs
- WindowsStartMenu.cs
- SerializationFieldInfo.cs
- ObjectCloneHelper.cs
- ListItem.cs
- SqlDataSourceConnectionPanel.cs
- SQLRoleProvider.cs
- ActivityCollectionMarkupSerializer.cs
- ServiceOperationParameter.cs
- PropertyGeneratedEventArgs.cs
- JsonUriDataContract.cs
- PathSegment.cs
- KeySplineConverter.cs
- WpfWebRequestHelper.cs
- DataFormat.cs
- SqlConnectionFactory.cs
- ZipIOLocalFileHeader.cs
- GetPageCompletedEventArgs.cs
- CodeMemberEvent.cs
- HistoryEventArgs.cs
- entitydatasourceentitysetnameconverter.cs
- MenuItem.cs
- PointLightBase.cs
- SimpleWorkerRequest.cs
- Root.cs
- DataRowExtensions.cs
- BufferModesCollection.cs
- SqlCacheDependency.cs
- SpeakCompletedEventArgs.cs
- XamlSerializer.cs
- SecurityBindingElementImporter.cs
- UrlParameterWriter.cs
- ControlValuePropertyAttribute.cs
- FlagsAttribute.cs
- EntityViewGenerationAttribute.cs
- SurrogateSelector.cs
- SqlFileStream.cs
- EncoderParameters.cs
- X509CertificateClaimSet.cs
- TextCharacters.cs
- XmlChildEnumerator.cs
- ToolStripMenuItemDesigner.cs
- WindowsIPAddress.cs
- DataControlExtensions.cs
- TypefaceMap.cs
- StylusPointPropertyInfoDefaults.cs
- DbException.cs
- HtmlInputControl.cs
- DataPagerFieldCommandEventArgs.cs
- URLIdentityPermission.cs
- OperatorExpressions.cs
- RowParagraph.cs
- InternalCache.cs
- ComboBox.cs
- CryptoApi.cs
- DeploymentSection.cs
- DataGridState.cs
- CharConverter.cs
- ChangePassword.cs
- Size3D.cs
- FocusTracker.cs
- LZCodec.cs
- XmlSchemaAppInfo.cs
- FamilyMap.cs
- TableHeaderCell.cs
- ControlPropertyNameConverter.cs
- RequestResizeEvent.cs
- UnicastIPAddressInformationCollection.cs
- APCustomTypeDescriptor.cs
- WmlTextBoxAdapter.cs
- ObjectDataSourceSelectingEventArgs.cs
- PageClientProxyGenerator.cs
- ToolStripDropDownItem.cs
- ChtmlPhoneCallAdapter.cs
- IncrementalHitTester.cs
- XmlSchemaElement.cs
- WebPartsPersonalization.cs
- WebPartEditorCancelVerb.cs
- ParenExpr.cs
- ButtonColumn.cs
- TextMessageEncodingBindingElement.cs