¥Enable signing/verification of
any Web addressable content
¥Enable variety of signature
applications and use cases.
–Sign/verify
part or totality of XML document
–Enable
multiple signatures over static content given varied keys, algorithms, transforms etc
–Support
counter-signatures
–Enable
protected/unprotected signature properties
–Enable
variety of packaging
–Detached,
enveloped, enveloping signatures
–Overlapping
signatures and encryptions
¥Handle xml:ids without XML
schema processing
¥Support arbitrary trust
semantics
–Multiple
keys
¥Address
efficiency and usability