DRM protected PDF files

[Donald Hellen]

There is an ebook that some people on an aquarium web forum have bought
that is in Adobe PDF format and is DRM protected somehow and allows only
one printing of the document and only installation on one computer. If
you change computers, run out of ink, etc., you are screwed.

Does Evince allow you to at least read DRM protected ebooks, if not
print them?

What will Evince allow you to do with these DRM protected PDF files?

I have Evince on my Ubuntu system. I didn't know it since it wasn't in
the applications menu but I can access it from within the terminal
window by typing "evince."

Thanks for your reply in advance,

Donald Hellen
(a Linux convert, finally, after tries over the last several years)

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[Wouter Bolsterlee]

2007-07-04 klockan 04:38 skrev Donald Hellen:
> Does Evince allow you to at least read DRM protected ebooks, if not
> print them?
> What will Evince allow you to do with these DRM protected PDF files?

*cough* gconf-editor *cough* Enable /apps/evince/override_restrictions

> I have Evince on my Ubuntu system. I didn't know it since it wasn't in
> the applications menu but I can access it from within the terminal
> window by typing "evince."

That is deliberate. Evince is meant to be opened by opening files from a
file manager/mail client/web browser.

  mvrgr, Wouter

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[James Cloos-16]

>>>>> "Donald" == Donald Hellen <donhellen@...> writes:

Donald> There is an ebook that some people on an aquarium web forum have
Donald> bought that is in Adobe PDF format and is DRM protected somehow
Donald> and allows only one printing of the document and only
Donald> installation on one computer. If you change computers, run out
Donald> of ink, etc., you are screwed.

It sounds like that pdf uses a (third-party?) plugin to acrobat reader
for drm.  There are at least a couple, if I recall correctly, such
plugins in use and may be available only on windows.

If it is indeed a plugin doing the decryption then no free/libre/open
source pdf reader will be able to read that pdf.

-JimC
--
James Cloos <cloos@...>         OpenPGP: 1024D/ED7DAEA6
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