private static XmlDsigExcC14NTransform BuildC14(CanonicalizationMethods canonicalizationMethod)
{
switch (canonicalizationMethod)
{
case CanonicalizationMethods.C14WithComments:
return(new XmlDsigExcC14NWithCommentsTransform());
default:
return(new XmlDsigExcC14NTransform());
}
}
/// <summary>
/// Sign and build.
/// </summary>
/// <param name="certificate"></param>
/// <param name="digestMethod"></param>
/// <param name="canonicalizationMethod"></param>
/// <returns></returns>
public ResponseType SignAndBuild(X509Certificate2 certificate, SignatureAlgorithms signatureAlgorithm, CanonicalizationMethods canonicalizationMethod)
{
foreach (var assertion in _response.Items.Where(i => i is AssertionType).Cast <AssertionType>())
{
var assertionSigned = new SamlSignedRequest(assertion.SerializeToXmlElement(), certificate, signatureAlgorithm, canonicalizationMethod);
assertionSigned.ComputeSignature(assertion.ID);
var assertionSignature = assertionSigned.GetXml().OuterXml.DeserializeXml <SignatureType>();
assertion.Signature = assertionSignature;
}
var signedRequest = new SamlSignedRequest(_response.SerializeToXmlElement(), certificate, signatureAlgorithm, canonicalizationMethod);
signedRequest.ComputeSignature(_response.ID);
var signature = signedRequest.GetXml().OuterXml.DeserializeXml <SignatureType>();
_response.Signature = signature;
return(_response);
}
internal SamlSignedRequest(XmlElement xmlElement, X509Certificate2 certificate, SignatureAlgorithms signatureAlgorithm, CanonicalizationMethods canonicalizationMethod) : base(xmlElement)
{
_certificate = certificate;
_signatureAlgorithm = signatureAlgorithm;
_canonicalizationMethod = canonicalizationMethod;
}
/// <summary>
/// Sign and build.
/// </summary>
/// <param name="certificate"></param>
/// <param name="digestMethod"></param>
/// <param name="canonicalizationMethod"></param>
/// <returns></returns>
public XmlElement SignAndBuild(X509Certificate2 certificate, SignatureAlgorithms signatureAlgorithm, CanonicalizationMethods canonicalizationMethod)
{
var xmlDocument = _authRequest.SerializeToXmlDocument();
var signedRequest = new SamlSignedRequest(xmlDocument.DocumentElement, certificate, signatureAlgorithm, canonicalizationMethod);
signedRequest.ComputeSignature(_authRequest.ID);
var issuer = xmlDocument.DocumentElement.GetElementsByTagName("//Issuer", "urn:oasis:names:tc:SAML:2.0:assertion")[0] as XmlElement;
xmlDocument.DocumentElement.InsertAfter(xmlDocument.ImportNode(signedRequest.GetXml(), true), issuer);
return(xmlDocument.DocumentElement);
}
