Fraunhofer Institut für Integrierte Publikations-und Informationssysteme IPSI

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  • Publication
    Combined fingerprinting attacks against digital audio watermarking: Methods, results and solutions
    ( 2002)
    Steinebach, M.
    ;
    Dittmann, J.
    ;
    Saar, E.
    The methods for secure customer identification by digital fingerprinting for audio data are discussed. The algorithms by D. Boneh et al. (Proc. CRYPTO'95, p.452-465, 1995) and Joerg Schwenk et al. (Proceedings of SPIE, vol. 3657, p.24-29, Jan. 1999) are discussed and are then combined with an audio watermarking algorithm for practical evaluation of their coalition resistance to detect illegal copies. Test results are provided and the security performance against different types of coalition attacks is evaluated.
  • Publication
    Customer Identification for MPEG Video Based on Digital Fingerprinting
    ( 2001)
    Dittmann, J.
    ;
    Hauer, E.
    ;
    Vielhauer, C.
    ;
    Schwenk, J.
    ;
    Saar, E.
    In our publication we present a fingerprint watermark for the compressed video formats MPEG1/2 to ensure customer identification. The basic customer information is a watermark, which was developed for still images, We transfer it into the video area and adjust it to the special facts of MPEG video to be resistant against coalition attacks.