XML streams watermarking

  • Authors:
  • Julien Lafaye;David Gross-Amblard

  • Affiliations:
  • Laboratoire CEDRIC (EA 1395) – CC 432, Conservatoire national des arts et métiers, PARIS, France;Laboratoire CEDRIC (EA 1395) – CC 432, Conservatoire national des arts et métiers, PARIS, France

  • Venue:
  • DBSEC'06 Proceedings of the 20th IFIP WG 11.3 working conference on Data and Applications Security
  • Year:
  • 2006

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Abstract

XML streams are valuable, continuous, high-throughput sources of information whose owners must be protected against illegal redistributions. Watermarking is a known technique for hiding copyrights marks within documents, thus preventing redistributions. Here, we introduce a watermarking algorithm for Xml streams so that (i) the watermark embedding and detection processes are done online and use only a constant memory, (ii) the stream distortion is controlled, (iii) the type of the stream is preserved and finally (iv) the detection procedure does not require the original stream. We also evaluate, analytically and experimentally, the robustness of the algorithm against watermark removal attempts.