RE: PDF modifications?

From: Elan Hasson (
Date: 05/17/02

From: "Elan Hasson" <>
To: <>, "Sumit Dhar" <>
Date: Thu, 16 May 2002 22:52:32 -0400

is that the guy who Adobe prosecuted for cracking their encryption? the
guy was from russia or something and came to defcon (or was it another
conference?) last year and was arrested by feds. right?

-----Original Message-----
From: Matthew Leeds []
Sent: Thursday, May 16, 2002 5:05 PM
To: Sumit Dhar
Cc: vuln-dev
Subject: Re: PDF modifications?

You might look at:

for starters.

*********** REPLY SEPARATOR ***********

On 5/16/2002 at 2:36 PM Sumit Dhar wrote:

>> PDF encryption is a joke, xpdf/etc will bypass it most trivially. Adobe
>> makes some tools to modify PDF's and then there's also emacs or your
>> editor of choice.
>I am not sure we are on the same page here.. but are you telling me that
>a document that is password protected (for printing/text extraction etc)
>is not really that secure. Or are you talking about some other
>I had performed an intensive search on google to locate ways of
>bypassing that protection, and found.. well nothing.
>But if we are on the same page, which tools can I use to read password
>protected documents. I wasn't able to use xpdf to do the same.

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