[Fed-Talk] Re: Fed-talk Secure Erase
[Fed-Talk] Re: Fed-talk Secure Erase
- Subject: [Fed-Talk] Re: Fed-talk Secure Erase
- From: "Daniel S. Hoit" <email@hidden>
- Date: Wed, 20 Feb 2008 09:39:40 -0800
On Feb 20, 2008, at 8:01 AM, email@hidden wrote:
Message: 4
Date: Tue, 19 Feb 2008 18:52:33 -0800
From: "Dan O'Donnell" <email@hidden>
Subject: [Fed-Talk] Secure erase
To: "email@hidden" <email@hidden>
Message-ID: <C3E0D5F1.8516%email@hidden>
Content-Type: text/plain; charset="us-ascii"
Disk Utility is useful, but diskutil has far more features,
including some
configuration of multipass secure erasure:
<http://developer.apple.com/documentation/Darwin/Reference/ManPages/man8/dis
kutil.8.html>
However, some agencies require more than 1 but less than 7 secure
erasures,
e.g. 3. This is not listed as an option in diskutil, and 7 passes is
quite
time consuming. Does anybody know of an application that will allow
3, or at
least a configurable number between 1 and 7?
---
Dan O'Donnell
ISSO
RAND Corporation
1776 Main St.
PO Box 2138
Santa Monica CA 90407-2138
310-393-0411 x6637
email@hidden
email@hidden
You should check out scrub. http://sourceforge.net/project/showfiles.php?group_id=153984
It has modes to support NNSA NAP14.x, DoD 5220.22-M, and bsi standards
for secure erase.
The universal Mac installer is v 1.9.
I can't say it will save you time though. I've noticed erasing entire
160-250 GB disks with the NNSA standard (complete over write with a
known character, again with its complement, again with a random
character, and last of all a verify) takes a LOT of time.
Scrub can handle just a file, or volume though, which would be a much
quicker albeit less secure way of cleansing media.
--DH
Daniel S. Hoit
Lawrence Livermore National Laboratory
email: email@hidden
phone: 925-424-5256
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