boolean verify-xmldsig(element)
Verifies the digital signature (XMLDSig) of an XML element.
element is expected to be a node-set with the signed element as its first node, containing the Signature element
in the http://www.w3.org/2000/09/xmldsig# namespace, or a signed DOM document or an XML string.
Only the first node of a provided node-set will be verified.
Returns true() if the included XML Signature element is valid for the given element, false() otherwise.
<eval out="$valid">verify-xmldsig($signed-xml)</eval>