Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / ManagedLibraries / Security / System / Security / Cryptography / Xml / Signature.cs / 1 / Signature.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // Signature.cs // // 21 [....] 2000 // namespace System.Security.Cryptography.Xml { using System; using System.Collections; using System.Xml; [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)] public class Signature { private string m_id; private SignedInfo m_signedInfo; private byte[] m_signatureValue; private string m_signatureValueId; private KeyInfo m_keyInfo; private IList m_embeddedObjects; private CanonicalXmlNodeList m_referencedItems; private SignedXml m_signedXml = null; internal SignedXml SignedXml { get { return m_signedXml; } set { m_signedXml = value; } } // // public constructors // public Signature() { m_embeddedObjects = new ArrayList(); m_referencedItems = new CanonicalXmlNodeList(); } // // public properties // public string Id { get { return m_id; } set { m_id = value; } } public SignedInfo SignedInfo { get { return m_signedInfo; } set { m_signedInfo = value; if (this.SignedXml != null && m_signedInfo != null) m_signedInfo.SignedXml = this.SignedXml; } } public byte[] SignatureValue { get { return m_signatureValue; } set { m_signatureValue = value; } } public KeyInfo KeyInfo { get { if (m_keyInfo == null) m_keyInfo = new KeyInfo(); return m_keyInfo; } set { m_keyInfo = value; } } public IList ObjectList { get { return m_embeddedObjects; } set { m_embeddedObjects = value; } } internal CanonicalXmlNodeList ReferencedItems { get { return m_referencedItems; } } // // public methods // public XmlElement GetXml() { XmlDocument document = new XmlDocument(); document.PreserveWhitespace = true; return GetXml(document); } internal XmlElement GetXml (XmlDocument document) { // Create the Signature XmlElement signatureElement = (XmlElement)document.CreateElement("Signature", SignedXml.XmlDsigNamespaceUrl); if (!String.IsNullOrEmpty(m_id)) signatureElement.SetAttribute("Id", m_id); // Add the SignedInfo if (m_signedInfo == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_SignedInfoRequired")); signatureElement.AppendChild(m_signedInfo.GetXml(document)); // Add the SignatureValue if (m_signatureValue == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_SignatureValueRequired")); XmlElement signatureValueElement = document.CreateElement("SignatureValue", SignedXml.XmlDsigNamespaceUrl); signatureValueElement.AppendChild(document.CreateTextNode(Convert.ToBase64String(m_signatureValue))); if (!String.IsNullOrEmpty(m_signatureValueId)) signatureValueElement.SetAttribute("Id", m_signatureValueId); signatureElement.AppendChild(signatureValueElement); // Add the KeyInfo if (this.KeyInfo.Count > 0) signatureElement.AppendChild(this.KeyInfo.GetXml(document)); // Add the Objects foreach (Object obj in m_embeddedObjects) { DataObject dataObj = obj as DataObject; if (dataObj != null) { signatureElement.AppendChild(dataObj.GetXml(document)); } } return signatureElement; } public void LoadXml(XmlElement value) { // Make sure we don't get passed null if (value == null) throw new ArgumentNullException("value"); // Signature XmlElement signatureElement = value; if (!signatureElement.LocalName.Equals("Signature")) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "Signature"); // Id attribute -- optional m_id = Utils.GetAttribute(signatureElement, "Id", SignedXml.XmlDsigNamespaceUrl); XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable); nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl); // SignedInfo XmlElement signedInfoElement = signatureElement.SelectSingleNode("ds:SignedInfo", nsm) as XmlElement; if (signedInfoElement == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"),"SignedInfo"); this.SignedInfo = new SignedInfo(); this.SignedInfo.LoadXml(signedInfoElement); // SignatureValue XmlElement signatureValueElement = signatureElement.SelectSingleNode("ds:SignatureValue", nsm) as XmlElement; if (signatureValueElement == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"),"SignedInfo/SignatureValue"); m_signatureValue = Convert.FromBase64String(Utils.DiscardWhiteSpaces(signatureValueElement.InnerText)); m_signatureValueId = Utils.GetAttribute(signatureValueElement, "Id", SignedXml.XmlDsigNamespaceUrl); XmlNodeList keyInfoNodes = signatureElement.SelectNodes("ds:KeyInfo", nsm); m_keyInfo = new KeyInfo(); if (keyInfoNodes != null) { foreach(XmlNode node in keyInfoNodes) { XmlElement keyInfoElement = node as XmlElement; if (keyInfoElement != null) m_keyInfo.LoadXml(keyInfoElement); } } XmlNodeList objectNodes = signatureElement.SelectNodes("ds:Object", nsm); m_embeddedObjects.Clear(); if (objectNodes != null) { foreach(XmlNode node in objectNodes) { XmlElement objectElement = node as XmlElement; if (objectElement != null) { DataObject dataObj = new DataObject(); dataObj.LoadXml(objectElement); m_embeddedObjects.Add(dataObj); } } } // Select all elements that have Id attributes XmlNodeList nodeList = signatureElement.SelectNodes("//*[@Id]", nsm); if (nodeList != null) { foreach (XmlNode node in nodeList) { m_referencedItems.Add(node); } } } public void AddObject(DataObject dataObject) { m_embeddedObjects.Add(dataObject); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // Signature.cs // // 21 [....] 2000 // namespace System.Security.Cryptography.Xml { using System; using System.Collections; using System.Xml; [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)] public class Signature { private string m_id; private SignedInfo m_signedInfo; private byte[] m_signatureValue; private string m_signatureValueId; private KeyInfo m_keyInfo; private IList m_embeddedObjects; private CanonicalXmlNodeList m_referencedItems; private SignedXml m_signedXml = null; internal SignedXml SignedXml { get { return m_signedXml; } set { m_signedXml = value; } } // // public constructors // public Signature() { m_embeddedObjects = new ArrayList(); m_referencedItems = new CanonicalXmlNodeList(); } // // public properties // public string Id { get { return m_id; } set { m_id = value; } } public SignedInfo SignedInfo { get { return m_signedInfo; } set { m_signedInfo = value; if (this.SignedXml != null && m_signedInfo != null) m_signedInfo.SignedXml = this.SignedXml; } } public byte[] SignatureValue { get { return m_signatureValue; } set { m_signatureValue = value; } } public KeyInfo KeyInfo { get { if (m_keyInfo == null) m_keyInfo = new KeyInfo(); return m_keyInfo; } set { m_keyInfo = value; } } public IList ObjectList { get { return m_embeddedObjects; } set { m_embeddedObjects = value; } } internal CanonicalXmlNodeList ReferencedItems { get { return m_referencedItems; } } // // public methods // public XmlElement GetXml() { XmlDocument document = new XmlDocument(); document.PreserveWhitespace = true; return GetXml(document); } internal XmlElement GetXml (XmlDocument document) { // Create the Signature XmlElement signatureElement = (XmlElement)document.CreateElement("Signature", SignedXml.XmlDsigNamespaceUrl); if (!String.IsNullOrEmpty(m_id)) signatureElement.SetAttribute("Id", m_id); // Add the SignedInfo if (m_signedInfo == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_SignedInfoRequired")); signatureElement.AppendChild(m_signedInfo.GetXml(document)); // Add the SignatureValue if (m_signatureValue == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_SignatureValueRequired")); XmlElement signatureValueElement = document.CreateElement("SignatureValue", SignedXml.XmlDsigNamespaceUrl); signatureValueElement.AppendChild(document.CreateTextNode(Convert.ToBase64String(m_signatureValue))); if (!String.IsNullOrEmpty(m_signatureValueId)) signatureValueElement.SetAttribute("Id", m_signatureValueId); signatureElement.AppendChild(signatureValueElement); // Add the KeyInfo if (this.KeyInfo.Count > 0) signatureElement.AppendChild(this.KeyInfo.GetXml(document)); // Add the Objects foreach (Object obj in m_embeddedObjects) { DataObject dataObj = obj as DataObject; if (dataObj != null) { signatureElement.AppendChild(dataObj.GetXml(document)); } } return signatureElement; } public void LoadXml(XmlElement value) { // Make sure we don't get passed null if (value == null) throw new ArgumentNullException("value"); // Signature XmlElement signatureElement = value; if (!signatureElement.LocalName.Equals("Signature")) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "Signature"); // Id attribute -- optional m_id = Utils.GetAttribute(signatureElement, "Id", SignedXml.XmlDsigNamespaceUrl); XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable); nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl); // SignedInfo XmlElement signedInfoElement = signatureElement.SelectSingleNode("ds:SignedInfo", nsm) as XmlElement; if (signedInfoElement == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"),"SignedInfo"); this.SignedInfo = new SignedInfo(); this.SignedInfo.LoadXml(signedInfoElement); // SignatureValue XmlElement signatureValueElement = signatureElement.SelectSingleNode("ds:SignatureValue", nsm) as XmlElement; if (signatureValueElement == null) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"),"SignedInfo/SignatureValue"); m_signatureValue = Convert.FromBase64String(Utils.DiscardWhiteSpaces(signatureValueElement.InnerText)); m_signatureValueId = Utils.GetAttribute(signatureValueElement, "Id", SignedXml.XmlDsigNamespaceUrl); XmlNodeList keyInfoNodes = signatureElement.SelectNodes("ds:KeyInfo", nsm); m_keyInfo = new KeyInfo(); if (keyInfoNodes != null) { foreach(XmlNode node in keyInfoNodes) { XmlElement keyInfoElement = node as XmlElement; if (keyInfoElement != null) m_keyInfo.LoadXml(keyInfoElement); } } XmlNodeList objectNodes = signatureElement.SelectNodes("ds:Object", nsm); m_embeddedObjects.Clear(); if (objectNodes != null) { foreach(XmlNode node in objectNodes) { XmlElement objectElement = node as XmlElement; if (objectElement != null) { DataObject dataObj = new DataObject(); dataObj.LoadXml(objectElement); m_embeddedObjects.Add(dataObj); } } } // Select all elements that have Id attributes XmlNodeList nodeList = signatureElement.SelectNodes("//*[@Id]", nsm); if (nodeList != null) { foreach (XmlNode node in nodeList) { m_referencedItems.Add(node); } } } public void AddObject(DataObject dataObject) { m_embeddedObjects.Add(dataObject); } } } // 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
- DataGridViewElement.cs
- LoginName.cs
- TdsRecordBufferSetter.cs
- CustomAttributeSerializer.cs
- DataGridViewAutoSizeModeEventArgs.cs
- WindowsTab.cs
- ColumnHeader.cs
- KernelTypeValidation.cs
- MobileControlPersister.cs
- ExternalException.cs
- LinearKeyFrames.cs
- DeflateStreamAsyncResult.cs
- Token.cs
- Parameter.cs
- DynamicDataExtensions.cs
- BindingSource.cs
- coordinator.cs
- RemotingConfigParser.cs
- ExtendedPropertyDescriptor.cs
- ConfigXmlAttribute.cs
- ResourceManagerWrapper.cs
- TranslateTransform3D.cs
- TreeViewBindingsEditor.cs
- InterleavedZipPartStream.cs
- MouseEventArgs.cs
- PartitionerQueryOperator.cs
- _CacheStreams.cs
- Utilities.cs
- ContentElementCollection.cs
- FastEncoderStatics.cs
- StringFormat.cs
- ObsoleteAttribute.cs
- WinEventTracker.cs
- AlphaSortedEnumConverter.cs
- Int32KeyFrameCollection.cs
- WpfXamlLoader.cs
- BasicCellRelation.cs
- DefaultAsyncDataDispatcher.cs
- CursorConverter.cs
- UnsafeNativeMethods.cs
- DisplayInformation.cs
- StringToken.cs
- Repeater.cs
- XsltException.cs
- IndentedWriter.cs
- CollectionViewGroup.cs
- EdmEntityTypeAttribute.cs
- ScrollItemPattern.cs
- FrameworkElementAutomationPeer.cs
- Substitution.cs
- ApplicationServiceHelper.cs
- QilGeneratorEnv.cs
- PropagatorResult.cs
- SafeRightsManagementHandle.cs
- MaxSessionCountExceededException.cs
- DataControlFieldsEditor.cs
- WorkflowOperationFault.cs
- WpfGeneratedKnownProperties.cs
- Interlocked.cs
- LogExtent.cs
- DirectionalLight.cs
- SafeLibraryHandle.cs
- Ticks.cs
- IIS7WorkerRequest.cs
- _ShellExpression.cs
- XmlValidatingReaderImpl.cs
- FamilyMapCollection.cs
- XsdBuilder.cs
- GeneratedCodeAttribute.cs
- GB18030Encoding.cs
- DataControlButton.cs
- IPAddressCollection.cs
- cookie.cs
- GlyphTypeface.cs
- CopyAttributesAction.cs
- NavigatingCancelEventArgs.cs
- TableLayoutSettingsTypeConverter.cs
- SortQuery.cs
- TrackingMemoryStreamFactory.cs
- PerformanceCounterCategory.cs
- ToolStripMenuItem.cs
- Point3DCollectionConverter.cs
- DataGridViewCellFormattingEventArgs.cs
- XPathDocumentIterator.cs
- XmlSerializerFactory.cs
- WorkflowApplicationEventArgs.cs
- _Win32.cs
- FileSecurity.cs
- AuthenticationModuleElement.cs
- ListBox.cs
- ObjectTag.cs
- EventLogException.cs
- ImportedNamespaceContextItem.cs
- CompressedStack.cs
- XmlElement.cs
- MultiBinding.cs
- HttpAsyncResult.cs
- FontDriver.cs
- Type.cs
- _HelperAsyncResults.cs