XMLDSig (for XML Signatures)
Methods of the IXMLDSig/XMLDSig interface/class can be used to sign XML documents, verify signed documents, update (with a new signature) previously signed documents that have been modified, and remove signatures.
Note that the name of the interface in the COM/.NET API is different than that of the class in the Java API:
•In COM/.NET: IXMLDSig
•In Java: XMLDSig