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    SubjectRe: Wanted: Secure-delete utility for Linux

    On Tue, 22 Dec 1998, Charles Cazabon wrote:

    > Actually, it's all-bits-zero, all-bits-one, all-bits-zero. This prevents
    > people from reading the previous data from residual magnetic fields underneath
    > a disk which has simply been wiped with zeroes, etc. The complete cycle for
    > each bit is enough to minimize this risk.

    'badblocks -w' does this multiple times. So someone could use badblocks to
    do a secure deletion ...

    - clifford

    -- -- -- -- -- -- -- -- -- -- -- -- --
    Clifford Wolf (CEO and CTO)
    The ROCK Projects Workgoup IRC: IRCnet / clifford
    http://www.rock-projects.com/ http://www.clifford.at/
    e-mail: c.wolf@rock-projects.com email: god@clifford.at


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