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Describe how to use XML to represent a digitally encrypted Web resources
including XML, and portions thereof. Presently limited to elements and content
(not attribute values).
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Provide for the separation of encryption information from
encrypted data, and support reference mechanisms for addressing encryption
information from encrypted data sections and vice versa.
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Provide for super-encryption (capable of encrypting XML with portions already
encrypted)
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Provide for the secure communication of a session key for subsequent
(efficient) communication.