/// <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);
}