Re: This file is protected...

[holmegm -at- comcast -dot- net]

"Dick Margulis " <margulis -at- mail -dot- fiam -dot- net> wrote:

>This is fairly elementary encryption. Its strongest feature is Adobe's 
>willingness to prosecute legal cases against people who explain how to
>crack it. 
>So anyone who wants to explain to John how to do that might want to take the 
>advice off-list ;-)

The funny part is that you don't have to "crack" anything.  The PDF standard
is supposedly open, so Tom, Dick, or Harriet can write a PDF viewer.  The
viewer obviously has to be able to "decrypt" and render the document onscreen.

So it boils down to whether the viewer software honors a little flag requesting
"please don't print me".  For any non-copyright-infringing use, I'll write
whatever software I want, thank you very much.  Or modify the source to an
open source PDF viewer, and recompile.  No "cracking" is necessary :)

-- 
Greg Holmes

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