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XML Signature: Features Fundamental feature: the ability to sign only specific portions of the XML tree rather than the whole document. XML document may have a long history when different component are authored by different parties at different times Different parties may want to sign only those elements relevant to them Important when keeping integrity of certain parts of an XML document is essential while leaving the possibility for other parts to be changed Allows carrying security tokens/assertions on document/data rather than on user/client Provides security features for XML based protocols |