Re: Flash Memory Wiping

["Lou Losee" <llosee () gmail com>]

For some good discussions on the implications of writing to flash and
how the wear-leveling algorithms incorporated by them get in the way
of erasure and overwriting, I would recommend the following links:

http://forums.truecrypt.org/viewtopic.php?t=1702
http://bbs.heidi.ie/viewtopic.php?t=1568&sid=60ea6000a914dced82196c64783feacc

Lou Losee
atsec information security corp.

On 1/23/07, Dragos Ruiu <dr () eusecwest com> wrote:
> On Monday 22 January 2007 12:55, C Anctil wrote:
> > I would encrypt the the files before deleting them. If they ever get
> > recovered, they would at least be encrypted. I would use something
> > like truecrypt.
>
> This also would not work so well on flash, as you would likely wind up
> with encrypted and unecrypted versions sitting on the flash simultaneously.
> Overwriting works oddly with flash...
>
> cheers,
> --dr
>
> --
> World Security Pros. Cutting Edge Training, Tools, and Techniques
> London, U.K.    Mar 1-2 - 2007    http://eusecwest.com
> pgpkey http://dragos.com/ kyxpgp


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