Enveloping Signatures
The <ds:Signature>
element contains the signed or to-be-signed data as the content of a <ds:Object>
element. For example, the following signature template is for an enveloping signature in which the plain text "Hello, World!" is embedded.
<?xml version="1.0" encoding="UTF-8"?> <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> <ds:SignedInfo> <ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> <ds:Reference URI="#obj"> <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> <ds:DigestValue/> </ds:Reference> </ds:SignedInfo> <ds:SignatureValue/> <ds:Object Id="obj">Hello, World!</ds:Object> </ds:Signature>