New Hack Simplifies HD Video Copying

Discussion in 'DVD Video' started by Ablang, Feb 21, 2007.

  1. Ablang

    Ablang Guest

    New Hack Simplifies HD Video Copying
    Hacker claims to have discovered cryptographic key that can circumvent
    copy restrictions on HD DVD and Blu-ray movies.
    Robert McMillan, IDG News Service
    Wednesday, February 14, 2007 07:00 AM PST

    A hacker claims to have discovered a cryptographic key that can be
    used to circumvent copy restrictions on HD DVD and Blu-ray movies.

    The key, which was published Sunday on the Doom9.org discussion forum,
    is a further step toward undermining the next-generation AACS
    (Advanced Access Content System) encryption system used to copy-
    protect high-definition media.

    The hacker, going by the name of Arnezami, said he discovered the key
    by examining what was happening in his computer's memory while it
    processed an HD DVD video.

    A spokeswoman for the group that sets the AACS specification, called
    the AACS Licensing Administrator, said Arnezami's claims were being
    investigated but declined to provide further comment.

    In late December, a different hacker, named Muslix64, posted a
    software program that could decrypt high-definition movies. Users
    needed to first enter another type of encryption key, called the
    "volume key," for the software to work. More than 100 of these volume
    keys have since popped up, allowing users to freely copy such films as
    King Kong, Mission: Impossible and Jarhead.

    The publication of this latest key, called a processing key, gives
    users a much easier way to figure out the volume keys they need in
    order to make movie copies with the HDDVDBackup software, according to
    Arnezami.

    Introduced in April 2005, AACS is supported by media and technology
    companies such as Microsoft Corp., Matsushita Electric Industrial Co.
    Ltd. (Panasonic), Sony Corp., Toshiba Corp., The Walt Disney Co. and
    Warner Bros.

    The encryption system is designed to be more robust than the CSS
    (content scrambling system) encryption scheme used by DVDs, which was
    completely cracked in late 1999.

    http://www.pcworld.com/article/129027-1/article.html?tk=nl_dnxnws
    Ablang, Feb 21, 2007
    #1
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