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[Discuss] Password-protected PDF file?

Subject: [Discuss] Password-protected PDF file?
From: dsr at randomstring.org (Dan Ritter)
Date: Sun, 17 Feb 2013 09:49:06 -0500
In-reply-to: <CADjQVpmqEjZNw3n2_Ziy2EMy_J_brZHmN9pnKCN6Lh0F-x05_g@mail.gmail.com>
References: <CADjQVpmcd20bJ1h401osrL7+jWH1yvrGzLir-8+NJ-4JqO_6mg@mail.gmail.com> <CADjQVpmqEjZNw3n2_Ziy2EMy_J_brZHmN9pnKCN6Lh0F-x05_g@mail.gmail.com>

On Sun, Feb 17, 2013 at 08:53:31AM -0500, Scott Ehrlich wrote:
> How safe is a password-protected PDF file sent via email?
> 
> I've never run a sniffer to see what could be learned from doing this.

http://www.cs.cmu.edu/~dst/Adobe/Gallery/anon21jul01-pdf-encryption.txt

I would consider that the equivalent of a snail mail envelope: safe
against a casual viewer, not against anyone determined.

-dsr-

References:
- [Discuss] Password-protected PDF file?
  - From: srehrlich at gmail.com (Scott Ehrlich)

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