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From: Andreas Schwab <schwab@suse.de>
To: Oliver Welter <mail@oliwel.de>
Cc: Tavis Ormandy <taviso@sdf.lonestar.org>, gdb@sourceware.org
Subject: Re: How to protect a file from debugging
Date: Mon, 11 Jun 2007 09:32:00 -0000	[thread overview]
Message-ID: <je8xaqg7l3.fsf@sykes.suse.de> (raw)
In-Reply-To: <466D14D5.4020007@oliwel.de> (Oliver Welter's message of "Mon\, 11 	Jun 2007 11\:24\:37 +0200")

Oliver Welter <mail@oliwel.de> writes:

> Ok here is what I am planing:
>
> I have an application, lets say a simple text editor, that is used to
> read/write sensitive information.
> Now I start gdb, attach it to the process and call "gcore" which - for
> my understanding - dumps the entire memory of the process to a file. So
> the core dump reveals my secret data.

Why is that a problem?  You are one only reading the same secret data
that you just entered yourself in the editor.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


  reply	other threads:[~2007-06-11  9:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-11  8:17 Oliver Welter
2007-06-11  9:16 ` Tavis Ormandy
2007-06-11  9:25   ` Oliver Welter
2007-06-11  9:32     ` Andreas Schwab [this message]
2007-06-11  9:38       ` Oliver Welter
2007-06-11 10:04         ` Tavis Ormandy

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