Re: Does safe remove has a point on an encrypted drive?

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On Sat, Sep 22, 2012, at 14:13, Arno Wagner wrote:
> It depends. For plain dm-crypt with a compromised passphrase,
> do secure delete for a HDD. For LUKS with a compromised passphrase,
> overwrite the header and key-slot area once for a HDD. For
> LUKS with a compromised master key, same as for plain dm-crypt.
> 
> For SSD, do secure unit erase (ATA command), overwrite and
> physical destruction.

I meant if I am on full disk encryption if it's worth the extra CPU
clocks to do a safe erase of certain files, given the data is already
random looking from the outside. It wasn't about the whole drive.
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