Re: LUKS and LVM

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On 02/19/11 12:08, Arno Wagner wrote:
>> Why use random data to overwrite? Shouldn't /dev/zero be enough since
>> the crypto should produce good randomness on disk?
> 
> It is only marginally slower this way and there may be issues
> with initialisation vectors in disk encryption. There are
> no that I know of with the current cryptsetup defaults. This
> is just a very cheap additional layer of protection.

Ah, thanks...
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