Search results for key=BSS2003 :
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Refereed full papers (journals, book chapters, international conferences)
2003
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Laurence Bull, Peter Stanski and David McG. Squire,
Content Extraction Signatures using XML Digital
Signatures and Custom Transforms On-Demand,
In Proceedings of the 12th International World Wide Web
Conference (WWW2003),
Budapest, Hungary, pp. 170-177, 20-24 May 2003.
Content Extraction Signatures (CES) enable selective
disclosure of verifiable content, provide privacy for blinded content,
and enable the signer to specify the content the document owner is
allowed to extract or blind. Combined, these properties give what we
call CES functionality. In this paper we describe our work in
developing custom transform algorithms to expand the functionality of
an XML Signature to include CES functionality in XML Signature Core
Validation. We also describe a custom revocation mechanism and our
implementation for non-XML content where the custom transforms are
dynamically loaded demonstrating that custom signing and verifi- cation
is not constrained to a closed system . Through the use of dynamic
loading we show that a verifier can still verify an XML
Signature-compliant signature even though a custom signature was
produced.
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