private void BuildDigestedReferences() { // Default the DigestMethod and Canonicalization Reference reference = m_signature.Reference; CanonicalXmlNodeList nodeList = new CanonicalXmlNodeList(); // If no DigestMethod has yet been set, default it to sha1 if (reference.DigestMethod == null) { reference.DigestMethod = XmlDsigSHA1Url; } reference.UpdateHashValue(_containingDocument, nodeList); }