/// <summary>
/// Digs the <Signature> element out of the document.
/// </summary>
/// <exception cref="InvalidOperationException">if the document does not contain a signature.</exception>
private static SignedXml RetrieveSignature(XmlElement el)
{
SignedXml signedXml = new SignedXMLWithIdResolvement(el);
XmlNodeList nodeList = el.GetElementsByTagName(Signature.ELEMENT_NAME, Saml20Constants.XMLDSIG);
if (nodeList.Count == 0)
{
throw new InvalidOperationException("Document does not contain a signature to verify.");
}
signedXml.LoadXml((XmlElement)nodeList[0]);
return(signedXml);
}
/// <summary>
/// Digs the <Signature> element out of the document.
/// </summary>
/// <exception cref="InvalidOperationException">if the document does not contain a signature.</exception>
private static SignedXml RetrieveSignature(XmlElement el)
{
SignedXml signedXml = new SignedXMLWithIdResolvement(el);
XmlNodeList nodeList = el.GetElementsByTagName(Signature.ELEMENT_NAME, Saml20Constants.XMLDSIG);
if (nodeList.Count == 0)
{
throw new InvalidOperationException("Document does not contain a signature to verify.");
}
signedXml.LoadXml((XmlElement)nodeList[0]);
// verify that the inlined signature has a valid reference uri
VerifyRererenceURI(signedXml, el.GetAttribute("ID"));
return(signedXml);
}
/// <summary>
/// Digs the <Signature> element out of the document.
/// </summary>
/// <exception cref="InvalidOperationException">if the document does not contain a signature.</exception>
private static SignedXml RetrieveSignature(XmlElement el)
{
SignedXml signedXml = new SignedXMLWithIdResolvement(el);
XmlNodeList nodeList = el.GetElementsByTagName(Signature.ELEMENT_NAME, Saml20Constants.XMLDSIG);
if (nodeList.Count == 0)
{
throw new InvalidOperationException("Document does not contain a signature to verify.");
}
signedXml.LoadXml((XmlElement)nodeList[0]);
Reference reference = new Reference("#" + signedXml.SignedInfo.Id);
reference.AddTransform(new XmlDsigEnvelopedSignatureTransform());
reference.AddTransform(new XmlDsigExcC14NTransform());
signedXml.AddReference(reference);
return(signedXml);
}
/// <summary>
/// Digs the <Signature> element out of the document.
/// </summary>
/// <exception cref="InvalidOperationException">if the document does not contain a signature.</exception>
private static SignedXml RetrieveSignature(XmlElement el)
{
SignedXml signedXml = new SignedXMLWithIdResolvement(el);
XmlNodeList nodeList = el.GetElementsByTagName(Signature.ELEMENT_NAME, Saml20Constants.XMLDSIG);
if (nodeList.Count == 0)
throw new InvalidOperationException("Document does not contain a signature to verify.");
signedXml.LoadXml((XmlElement)nodeList[0]);
Reference reference = new Reference("#" + signedXml.SignedInfo.Id);
reference.AddTransform (new XmlDsigEnvelopedSignatureTransform ());
reference.AddTransform (new XmlDsigExcC14NTransform ());
signedXml.AddReference(reference);
return signedXml;
}
/// <summary>
/// Digs the <Signature> element out of the document.
/// </summary>
/// <exception cref="InvalidOperationException">if the document does not contain a signature.</exception>
private static SignedXml RetrieveSignature(XmlElement el)
{
SignedXml signedXml = new SignedXMLWithIdResolvement(el);
XmlNodeList nodeList = el.GetElementsByTagName(Signature.ELEMENT_NAME, Saml20Constants.XMLDSIG);
if (nodeList.Count == 0)
throw new InvalidOperationException("Document does not contain a signature to verify.");
signedXml.LoadXml((XmlElement)nodeList[0]);
// verify that the inlined signature has a valid reference uri
VerifyRererenceURI(signedXml, el.GetAttribute("ID"));
return signedXml;
}
