SHRED for EXT3?

[Mike McCarty]

Scot L. Harris wrote:
> On Tue, 2005-07-26 at 13:09, Laurence wrote:
> 
>>On Tue, 2005-07-26 at 08:09 -0600, Robin Laing wrote:
>>
>>>Mike McCarty wrote:
>>>
>>>>Is there a secure file delete available for ext3 file systems?
>>>>
>>>>Mike
>>>
>>>Possibly encrypt the data in the first place?
>>>
>>>http://www.linuxjournal.com/article/6481
>>>
>>>-- 
>>>Robin Laing
>>>
>>
>>how about opening the file & writing zeros to it?
> 
> 
> I don't remember the specs but there are specifications published by the
> U.S. Government for what constitutes secure deletion of files from
> magnetic media.  This requires a certain number of rewrites over the
> same sectors the file was in and I think a specific set of patterns.  

I am familiar with these, but the primary objection to what he wrote
is that this is a journalled file system. IOW, the writes take place
to a separate location and then are committed.

[snip]

Mike
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