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Date: Fri, 30 May 2014 17:07:01 +0200
From: Heinz Diehl <htd@fancy-poultry.org>
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Subject: Re: [dm-crypt] Is erasing hard disk drive mandatory?
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On 30.05.2014, Stephen Cousins wrote: 

> I see. So it has nothing to do with how well the data is encrypted. Just
> another level of protection..

Maybe. I think the practical effects are negligible. With the first
minutes of use of such a disk, temporary files get written to it,
files get deleted, new ones get written and old stuff gets
overwritten. If the encryption is secure, all that doesn't really
matter.