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Thread: PDF password protected file, only on Linux

  1. #11

    Default Re: PDF password protected file, only on Linux

    From your result:

    **** This file uses an unknown standard security handler revision: 6
    Error: /undefined in pdf_check_password
    This is fixed in ghostscript 9.15 - see http://www.ghostscript.com/doc/9.15/News.htm

  2. #12
    Join Date
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    Default Re: PDF password protected file, only on Linux

    On 2014-07-09 21:06, Nikos78 wrote:
    >
    > robin_listas;2652894 Wrote:



    >> I was trying that a few days back, and failed: pdftk refuses if you
    >> don't have the _owner_ password, because you don't have permission to
    >> modify the PDF, only to read/print it.
    >>

    >
    > By the way pdftk works without the password on Debian but not on
    > openSUSE, so this is a compilation matter. As these kind of passwords
    > are artificial and not technical obstacles I think they give the
    > original creator a false sense of security.


    PDFs have two kind of protections: one is about what you can do with the
    file, and software can follow the rules or not.

    The other kind is encryption, and this one you can not bypass. You
    really need the password to decipher the file.

    --
    Cheers / Saludos,

    Carlos E. R.
    (from 13.1 x86_64 "Bottle" at Telcontar)

  3. #13
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    Default Re: PDF password protected file, only on Linux

    Try opening it with LO Draw
    Leap 15.1_KDE
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