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Basic formatting applied. Unnecessary comments have been removed. Suspicious code is covered by TODO.
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601
Hcs.Client/Microsoft/Xades/UnsignedSignatureProperties.cs
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601
Hcs.Client/Microsoft/Xades/UnsignedSignatureProperties.cs
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// UnsignedSignatureProperties.cs
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//
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// XAdES Starter Kit for Microsoft .NET 3.5 (and above)
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// 2010 Microsoft France
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// Published under the CECILL-B Free Software license agreement.
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// (http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt)
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
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// WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
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// THE ENTIRE RISK OF USE OR RESULTS IN CONNECTION WITH THE USE OF THIS CODE
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// AND INFORMATION REMAINS WITH THE USER.
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using System;
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using System.Collections;
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using System.Security.Cryptography;
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using System.Xml;
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namespace Microsoft.Xades
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{
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/// <summary>
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/// UnsignedSignatureProperties may contain properties that qualify XML
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/// signature itself or the signer
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/// </summary>
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public class UnsignedSignatureProperties
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{
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#region Private variables
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private CounterSignatureCollection counterSignatureCollection;
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private SignatureTimeStampCollection signatureTimeStampCollection;
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private CompleteCertificateRefs completeCertificateRefs;
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private CompleteRevocationRefs completeRevocationRefs;
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private bool refsOnlyTimeStampFlag;
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private SignatureTimeStampCollection sigAndRefsTimeStampCollection;
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private SignatureTimeStampCollection refsOnlyTimeStampCollection;
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private CertificateValues certificateValues;
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private RevocationValues revocationValues;
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private SignatureTimeStampCollection archiveTimeStampCollection;
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#endregion
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#region Public properties
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/// <summary>
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/// A collection of counter signatures
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/// </summary>
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public CounterSignatureCollection CounterSignatureCollection
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{
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get
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{
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return this.counterSignatureCollection;
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}
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set
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{
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this.counterSignatureCollection = value;
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}
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}
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/// <summary>
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/// A collection of signature timestamps
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/// </summary>
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public SignatureTimeStampCollection SignatureTimeStampCollection
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{
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get
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{
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return this.signatureTimeStampCollection;
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}
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set
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{
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this.signatureTimeStampCollection = value;
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}
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}
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/// <summary>
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/// This clause defines the XML element containing the sequence of
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/// references to the full set of CA certificates that have been used
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/// to validate the electronic signature up to (but not including) the
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/// signer's certificate. This is an unsigned property that qualifies
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/// the signature.
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/// An XML electronic signature aligned with the present document MAY
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/// contain at most one CompleteCertificateRefs element.
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/// </summary>
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public CompleteCertificateRefs CompleteCertificateRefs
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{
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get
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{
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return this.completeCertificateRefs;
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}
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set
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{
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this.completeCertificateRefs = value;
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}
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}
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/// <summary>
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/// This clause defines the XML element containing a full set of
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/// references to the revocation data that have been used in the
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/// validation of the signer and CA certificates.
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/// This is an unsigned property that qualifies the signature.
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/// The XML electronic signature aligned with the present document
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/// MAY contain at most one CompleteRevocationRefs element.
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/// </summary>
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public CompleteRevocationRefs CompleteRevocationRefs
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{
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get
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{
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return this.completeRevocationRefs;
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}
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set
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{
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this.completeRevocationRefs = value;
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}
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}
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/// <summary>
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/// Flag indicating if the RefsOnlyTimeStamp element (or several) is
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/// present (RefsOnlyTimeStampFlag = true). If one or more
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/// sigAndRefsTimeStamps are present, RefsOnlyTimeStampFlag will be false.
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/// </summary>
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public bool RefsOnlyTimeStampFlag
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{
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get
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{
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return this.refsOnlyTimeStampFlag;
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}
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set
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{
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this.refsOnlyTimeStampFlag = value;
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}
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}
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/// <summary>
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/// A collection of sig and refs timestamps
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/// </summary>
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public SignatureTimeStampCollection SigAndRefsTimeStampCollection
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{
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get
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{
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return this.sigAndRefsTimeStampCollection;
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}
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set
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{
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this.sigAndRefsTimeStampCollection = value;
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}
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}
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/// <summary>
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/// A collection of refs only timestamps
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/// </summary>
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public SignatureTimeStampCollection RefsOnlyTimeStampCollection
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{
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get
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{
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return this.refsOnlyTimeStampCollection;
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}
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set
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{
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this.refsOnlyTimeStampCollection = value;
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}
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}
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/// <summary>
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/// Certificate values
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/// </summary>
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public CertificateValues CertificateValues
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{
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get
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{
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return this.certificateValues;
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}
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set
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{
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this.certificateValues = value;
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}
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}
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/// <summary>
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/// Revocation values
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/// </summary>
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public RevocationValues RevocationValues
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{
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get
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{
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return this.revocationValues;
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}
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set
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{
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this.revocationValues = value;
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}
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}
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/// <summary>
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/// A collection of signature timestamp
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/// </summary>
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public SignatureTimeStampCollection ArchiveTimeStampCollection
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{
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get
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{
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return this.archiveTimeStampCollection;
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}
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set
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{
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this.archiveTimeStampCollection = value;
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}
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}
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#endregion
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#region Constructors
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/// <summary>
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/// Default constructor
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/// </summary>
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public UnsignedSignatureProperties()
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{
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this.counterSignatureCollection = new CounterSignatureCollection();
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this.signatureTimeStampCollection = new SignatureTimeStampCollection();
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this.completeCertificateRefs = new CompleteCertificateRefs();
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this.completeRevocationRefs = new CompleteRevocationRefs();
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this.refsOnlyTimeStampFlag = false;
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this.sigAndRefsTimeStampCollection = new SignatureTimeStampCollection();
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this.refsOnlyTimeStampCollection = new SignatureTimeStampCollection();
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this.certificateValues = new CertificateValues();
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this.revocationValues = new RevocationValues();
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this.archiveTimeStampCollection = new SignatureTimeStampCollection();
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}
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#endregion
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#region Public methods
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/// <summary>
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/// Check to see if something has changed in this instance and needs to be serialized
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/// </summary>
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/// <returns>Flag indicating if a member needs serialization</returns>
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public bool HasChanged()
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{
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bool retVal = false;
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if (this.counterSignatureCollection.Count > 0)
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{
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retVal = true;
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}
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if (this.signatureTimeStampCollection.Count > 0)
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{
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retVal = true;
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}
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if (this.completeCertificateRefs != null && this.completeCertificateRefs.HasChanged())
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{
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retVal = true;
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}
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if (this.completeRevocationRefs != null && this.completeRevocationRefs.HasChanged())
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{
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retVal = true;
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}
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if (this.sigAndRefsTimeStampCollection.Count > 0)
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{
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retVal = true;
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}
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if (this.refsOnlyTimeStampCollection.Count > 0)
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{
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retVal = true;
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}
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if (this.certificateValues != null && this.certificateValues.HasChanged())
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{
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retVal = true;
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}
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if (this.revocationValues != null && this.revocationValues.HasChanged())
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{
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retVal = true;
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}
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if (this.archiveTimeStampCollection.Count > 0)
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{
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retVal = true;
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}
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return retVal;
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}
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/// <summary>
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/// Load state from an XML element
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/// </summary>
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/// <param name="xmlElement">XML element containing new state</param>
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/// <param name="counterSignedXmlElement">Element containing parent signature (needed if there are counter signatures)</param>
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public void LoadXml(System.Xml.XmlElement xmlElement, XmlElement counterSignedXmlElement)
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{
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XmlNamespaceManager xmlNamespaceManager;
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XmlNodeList xmlNodeList;
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IEnumerator enumerator;
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XmlElement iterationXmlElement;
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XadesSignedXml newXadesSignedXml;
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TimeStamp newTimeStamp;
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XmlElement counterSignatureElement;
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if (xmlElement == null)
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{
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throw new ArgumentNullException("xmlElement");
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}
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xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
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xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
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this.counterSignatureCollection.Clear();
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xmlNodeList = xmlElement.SelectNodes("xsd:CounterSignature", xmlNamespaceManager);
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enumerator = xmlNodeList.GetEnumerator();
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try
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{
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while (enumerator.MoveNext())
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{
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iterationXmlElement = enumerator.Current as XmlElement;
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if (iterationXmlElement != null)
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{
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if (counterSignedXmlElement != null)
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{
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newXadesSignedXml = new XadesSignedXml(counterSignedXmlElement);
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}
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else
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{
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newXadesSignedXml = new XadesSignedXml();
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}
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counterSignatureElement = null;
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for (int childNodeCounter = 0; (childNodeCounter < iterationXmlElement.ChildNodes.Count) && (counterSignatureElement == null); childNodeCounter++)
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{
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if (iterationXmlElement.ChildNodes[childNodeCounter] is XmlElement)
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{
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counterSignatureElement = (XmlElement)iterationXmlElement.ChildNodes[childNodeCounter];
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}
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}
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if (counterSignatureElement != null)
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{
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newXadesSignedXml.LoadXml(counterSignatureElement);
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this.counterSignatureCollection.Add(newXadesSignedXml);
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}
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else
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{
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throw new CryptographicException("CounterSignature element does not contain signature");
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}
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}
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}
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}
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finally
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{
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IDisposable disposable = enumerator as IDisposable;
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if (disposable != null)
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{
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disposable.Dispose();
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}
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}
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this.signatureTimeStampCollection.Clear();
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xmlNodeList = xmlElement.SelectNodes("xsd:SignatureTimeStamp", xmlNamespaceManager);
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enumerator = xmlNodeList.GetEnumerator();
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try
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{
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while (enumerator.MoveNext())
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{
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iterationXmlElement = enumerator.Current as XmlElement;
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if (iterationXmlElement != null)
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{
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newTimeStamp = new TimeStamp("SignatureTimeStamp");
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newTimeStamp.LoadXml(iterationXmlElement);
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this.signatureTimeStampCollection.Add(newTimeStamp);
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}
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}
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}
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finally
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{
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IDisposable disposable = enumerator as IDisposable;
|
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if (disposable != null)
|
||||
{
|
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disposable.Dispose();
|
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}
|
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}
|
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|
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xmlNodeList = xmlElement.SelectNodes("xsd:CompleteCertificateRefs", xmlNamespaceManager);
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if (xmlNodeList.Count != 0)
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{
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this.completeCertificateRefs = new CompleteCertificateRefs();
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this.completeCertificateRefs.LoadXml((XmlElement)xmlNodeList.Item(0));
|
||||
}
|
||||
else
|
||||
{
|
||||
this.completeCertificateRefs = null;
|
||||
}
|
||||
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:CompleteRevocationRefs", xmlNamespaceManager);
|
||||
if (xmlNodeList.Count != 0)
|
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{
|
||||
this.CompleteRevocationRefs = new CompleteRevocationRefs();
|
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this.CompleteRevocationRefs.LoadXml((XmlElement)xmlNodeList.Item(0));
|
||||
}
|
||||
else
|
||||
{
|
||||
this.completeRevocationRefs = null;
|
||||
}
|
||||
|
||||
this.sigAndRefsTimeStampCollection.Clear();
|
||||
this.refsOnlyTimeStampCollection.Clear();
|
||||
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:SigAndRefsTimeStamp", xmlNamespaceManager);
|
||||
if (xmlNodeList.Count > 0)
|
||||
{
|
||||
this.refsOnlyTimeStampFlag = false;
|
||||
enumerator = xmlNodeList.GetEnumerator();
|
||||
try
|
||||
{
|
||||
while (enumerator.MoveNext())
|
||||
{
|
||||
iterationXmlElement = enumerator.Current as XmlElement;
|
||||
if (iterationXmlElement != null)
|
||||
{
|
||||
newTimeStamp = new TimeStamp("SigAndRefsTimeStamp");
|
||||
newTimeStamp.LoadXml(iterationXmlElement);
|
||||
this.sigAndRefsTimeStampCollection.Add(newTimeStamp);
|
||||
}
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
IDisposable disposable = enumerator as IDisposable;
|
||||
if (disposable != null)
|
||||
{
|
||||
disposable.Dispose();
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:RefsOnlyTimeStamp", xmlNamespaceManager);
|
||||
if (xmlNodeList.Count > 0)
|
||||
{
|
||||
this.refsOnlyTimeStampFlag = true;
|
||||
enumerator = xmlNodeList.GetEnumerator();
|
||||
try
|
||||
{
|
||||
while (enumerator.MoveNext())
|
||||
{
|
||||
iterationXmlElement = enumerator.Current as XmlElement;
|
||||
if (iterationXmlElement != null)
|
||||
{
|
||||
newTimeStamp = new TimeStamp("RefsOnlyTimeStamp");
|
||||
newTimeStamp.LoadXml(iterationXmlElement);
|
||||
this.refsOnlyTimeStampCollection.Add(newTimeStamp);
|
||||
}
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
IDisposable disposable = enumerator as IDisposable;
|
||||
if (disposable != null)
|
||||
{
|
||||
disposable.Dispose();
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
this.refsOnlyTimeStampFlag = false;
|
||||
}
|
||||
}
|
||||
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:CertificateValues", xmlNamespaceManager);
|
||||
if (xmlNodeList.Count != 0)
|
||||
{
|
||||
this.certificateValues = new CertificateValues();
|
||||
this.certificateValues.LoadXml((XmlElement)xmlNodeList.Item(0));
|
||||
}
|
||||
else
|
||||
{
|
||||
this.certificateValues = null;
|
||||
}
|
||||
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:RevocationValues", xmlNamespaceManager);
|
||||
if (xmlNodeList.Count != 0)
|
||||
{
|
||||
this.revocationValues = new RevocationValues();
|
||||
this.revocationValues.LoadXml((XmlElement)xmlNodeList.Item(0));
|
||||
}
|
||||
else
|
||||
{
|
||||
this.revocationValues = null;
|
||||
}
|
||||
|
||||
this.archiveTimeStampCollection.Clear();
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:ArchiveTimeStamp", xmlNamespaceManager);
|
||||
enumerator = xmlNodeList.GetEnumerator();
|
||||
try
|
||||
{
|
||||
while (enumerator.MoveNext())
|
||||
{
|
||||
iterationXmlElement = enumerator.Current as XmlElement;
|
||||
if (iterationXmlElement != null)
|
||||
{
|
||||
newTimeStamp = new TimeStamp("ArchiveTimeStamp");
|
||||
newTimeStamp.LoadXml(iterationXmlElement);
|
||||
this.archiveTimeStampCollection.Add(newTimeStamp);
|
||||
}
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
IDisposable disposable = enumerator as IDisposable;
|
||||
if (disposable != null)
|
||||
{
|
||||
disposable.Dispose();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Returns the XML representation of the this object
|
||||
/// </summary>
|
||||
/// <returns>XML element containing the state of this object</returns>
|
||||
public XmlElement GetXml()
|
||||
{
|
||||
XmlDocument creationXmlDocument;
|
||||
XmlElement retVal;
|
||||
XmlElement bufferXmlElement;
|
||||
|
||||
creationXmlDocument = new XmlDocument();
|
||||
retVal = creationXmlDocument.CreateElement("xades", "UnsignedSignatureProperties", XadesSignedXml.XadesNamespaceUri);
|
||||
|
||||
if (this.counterSignatureCollection.Count > 0)
|
||||
{
|
||||
foreach (XadesSignedXml xadesSignedXml in this.counterSignatureCollection)
|
||||
{
|
||||
bufferXmlElement = creationXmlDocument.CreateElement("CounterSignature", XadesSignedXml.XadesNamespaceUri);
|
||||
bufferXmlElement.AppendChild(creationXmlDocument.ImportNode(xadesSignedXml.GetXml(), true));
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(bufferXmlElement, true));
|
||||
}
|
||||
}
|
||||
|
||||
if (this.signatureTimeStampCollection.Count > 0)
|
||||
{
|
||||
foreach (TimeStamp timeStamp in this.signatureTimeStampCollection)
|
||||
{
|
||||
if (timeStamp.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(timeStamp.GetXml(), true));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (this.completeCertificateRefs != null && this.completeCertificateRefs.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(this.completeCertificateRefs.GetXml(), true));
|
||||
}
|
||||
|
||||
if (this.completeRevocationRefs != null && this.completeRevocationRefs.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(this.completeRevocationRefs.GetXml(), true));
|
||||
}
|
||||
|
||||
if (!this.refsOnlyTimeStampFlag)
|
||||
{
|
||||
foreach (TimeStamp timeStamp in this.sigAndRefsTimeStampCollection)
|
||||
{
|
||||
if (timeStamp.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(timeStamp.GetXml(), true));
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
foreach (TimeStamp timeStamp in this.refsOnlyTimeStampCollection)
|
||||
{
|
||||
if (timeStamp.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(timeStamp.GetXml(), true));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (this.certificateValues != null && this.certificateValues.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(this.certificateValues.GetXml(), true));
|
||||
}
|
||||
|
||||
if (this.revocationValues != null && this.revocationValues.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(this.revocationValues.GetXml(), true));
|
||||
}
|
||||
|
||||
if (this.archiveTimeStampCollection.Count > 0)
|
||||
{
|
||||
foreach (TimeStamp timeStamp in this.archiveTimeStampCollection)
|
||||
{
|
||||
if (timeStamp.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(timeStamp.GetXml(), true));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return retVal;
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user