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Re: Fash cards sanitization from Nokia Symbian and WM5/6
From: gjgowey () tmo blackberry net
Date: Thu, 27 Sep 2007 17:11:19 +0000

Why would you need gutman to sanitize a flash card?  Gutman is written specifically for taking the inaccuracies of 
writing to magnetic media into account.  Flash cards don't suffer from those problems and all you're likely to do is 
make them burn out faster.  I wouldn't do anything more than a regular dod wipe on flash cards and even that is 


Sent from my BlackBerry wireless handheld.

-----Original Message-----
From: Luis Lopez Sanchez <luis.lopez () atosorigin com>

Date: Thu, 27 Sep 2007 18:19:23 
To:security-basics () lists securityfocus com
Subject: Fash cards sanitization from Nokia Symbian and WM5/6

Hi All,

I wonder if exist some application to write different sanitization patterns to removable flash cards (such as SD cards) 
for to use from the mobile device itself, no using PC or other computers with flash cards reader. I have been googling 
sometimes for this recurrent matter with no successful. 

I'd like to know if somebody know some app to apply the Guttman method (yeah! Of course, I know this is a any obsolete 
method but to me it would be enough to start) to SD and micro-SD flash cards from Windows Mobile 5/6 and Nokia w/ 
Symbian 80 3rd ed. based hardware platforms (such as HTC/QTEK for WM and N*/E* Nokia Series). I am searching for a 
system to wipe or sanitize flash cards directly from the two mobile operating systems based platforms. From a PC with a 
simple flash reader reader all is easy, but from a mobile device is not so much... ┬┐Any idea?

PS: I think that something like 'dd' GNU tool for WM or Symbian could be useful as a first approach, but I haven't time 
to port it (and I don't know if I would be able to carry out it!).

Many thanks in advance.

Best Regards,


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