/// <summary>
/// Signs an XML Document for a Saml Response
/// </summary>
/// <param name="xml"></param>
/// <param name="cert2"></param>
/// <param name="referenceId"></param>
/// <returns></returns>
public static XmlElement SignDoc(XmlDocument doc, X509Certificate2 cert2, string referenceId, string referenceValue)
{
SamlSignedXml sig = new SamlSignedXml(doc, referenceId);
// Add the key to the SignedXml xmlDocument.
sig.SigningKey = cert2.PrivateKey;
// Create a reference to be signed.
Reference reference = new Reference();
reference.Uri = String.Empty;
// reference.Uri = "#" + referenceValue;
// Add an enveloped transformation to the reference.
XmlDsigEnvelopedSignatureTransform env = new
XmlDsigEnvelopedSignatureTransform();
XmlDsigExcC14NTransform env2 = new XmlDsigExcC14NTransform();
reference.AddTransform(env);
reference.AddTransform(env2);
// Add the reference to the SignedXml object.
sig.AddReference(reference);
// Add an RSAKeyValue KeyInfo (optional; helps recipient find key to validate).
KeyInfo keyInfo = new KeyInfo();
KeyInfoX509Data keyData = new KeyInfoX509Data(cert2);
keyInfo.AddClause(keyData);
sig.KeyInfo = keyInfo;
// Compute the signature.
sig.ComputeSignature();
// Get the XML representation of the signature and save it to an XmlElement object.
XmlElement xmlDigitalSignature = sig.GetXml();
return(xmlDigitalSignature);
}
/// <summary>
/// Signs an XML Document for a Saml Response
/// </summary>
/// <param name="xml"></param>
/// <param name="cert2"></param>
/// <param name="referenceId"></param>
/// <returns></returns>
public static XmlElement SignDoc(XmlDocument doc, X509Certificate2 cert2, string referenceId, string referenceValue)
{
SamlSignedXml sig = new SamlSignedXml(doc, referenceId);
// Add the key to the SignedXml xmlDocument.
sig.SigningKey = cert2.PrivateKey;
// Create a reference to be signed.
Reference reference = new Reference();
reference.Uri = String.Empty;
// reference.Uri = "#" + referenceValue;
// Add an enveloped transformation to the reference.
XmlDsigEnvelopedSignatureTransform env = new
XmlDsigEnvelopedSignatureTransform();
XmlDsigExcC14NTransform env2 = new XmlDsigExcC14NTransform();
reference.AddTransform(env);
reference.AddTransform(env2);
// Add the reference to the SignedXml object.
sig.AddReference(reference);
// Add an RSAKeyValue KeyInfo (optional; helps recipient find key to validate).
KeyInfo keyInfo = new KeyInfo();
KeyInfoX509Data keyData = new KeyInfoX509Data(cert2);
keyInfo.AddClause(keyData);
sig.KeyInfo = keyInfo;
// Compute the signature.
sig.ComputeSignature();
// Get the XML representation of the signature and save it to an XmlElement object.
XmlElement xmlDigitalSignature = sig.GetXml();
return xmlDigitalSignature;
}