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Verify the references
Verification of the signed document consists of two steps - validation of the signature and reference validation. Signature verification is described in the corresponding how-to article.
To validate the references, you need to provide the actual data which needs to be verified. To do this, access each reference via References property of TElXMLVerifier and set either URINode (when verifying the XML document or XML node) or URIData (when verifying the external binary data) properties of TElXMLReference class.
After you've provided the data for the references, call ValidateReference() method of TElXMLVerifier. You can validate the references one by one by passing the reference to ValidateReference() method or all together by passing nil/null/Nothing to ValidateReference() method.