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Content extraction signatures using XML digital signatures and custom transforms on-demand

13 years 10 days ago
Content extraction signatures using XML digital signatures and custom transforms on-demand
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 verification 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. Categories and Subject Descriptors K.4.1 [Computing Milieux]: Computers and Society--Public Policy Issues; K.4.4 [Computing Milieux...
David Squire, Laurence Bull, Peter Stañski
Added 22 Nov 2009
Updated 22 Nov 2009
Type Conference
Year 2003
Where WWW
Authors David Squire, Laurence Bull, Peter Stañski
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