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<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=815303314-18082009>Hi
Shachar,</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=815303314-18082009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=815303314-18082009>'urban
legend' may be a bit strong. The reference I had in mind was</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff><SPAN class=815303314-18082009><A
href="http://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html">http://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html</A></SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=815303314-18082009>which
is a bit dated (circa 1996, plus a couple of undated epilogues), but still an
interesting read.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=815303314-18082009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=815303314-18082009>Of
course, if you're going to keep sensitive data on magentic media, it's *much*
easier to use an encrypted partition (e.g., dm-crypt <A
href="http://www.saout.de/misc/dm-crypt/"><FONT face="Times New Roman"
size=3>http://www.saout.de/misc/dm-crypt/</FONT></A> or TrueCrypt <A
href="http://www.truecrypt.org/">http://www.truecrypt.org/</A>) and securely
destroy the keys.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=815303314-18082009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=815303314-18082009>Rony</SPAN></FONT></DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> linux-il-bounces@cs.huji.ac.il
[mailto:linux-il-bounces@cs.huji.ac.il] <B>On Behalf Of </B>Shachar
Shemesh<BR><B>Sent:</B> Tuesday, August 18, 2009 5:17 PM<BR><B>To:</B>
ronys@acm.org<BR><B>Cc:</B> 'ILUG'<BR><B>Subject:</B> Re: Suggestion for a
webmail application with good Hebrew Support<BR></FONT><BR></DIV>
<DIV></DIV>ronys wrote:
<BLOCKQUOTE cite=mid:9B8C89AB6E26424DA470E4E408A0CF78@LYDIA type="cite">
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<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=456115913-18082009>Note
that if you're going to dd, at least use if=/dev/urandom. Running dd several
(>10) times is best (or using shred(1), which does the
same).</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=456115913-18082009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=456115913-18082009>Rony</SPAN></FONT></DIV></BLOCKQUOTE>I am familiar with
the urban legend. From what I read about the technique by which you reconstruct
older generation data, I'm not sure it would make that much of a
difference.<BR><BR>Shachar<BR><BR><PRE class=moz-signature cols="72">--
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
<A class=moz-txt-link-freetext href="http://www.lingnu.com">http://www.lingnu.com</A>
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