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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: freebsd-questions@freebsd.org
Subject: Re: disk encryption; hidden containers
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>> To locate them, all a cyrptanalyst has to do is to look out for
>> regions on the partition with very high entropy,
>
> The trick is to hide the volume somewhere that is legitimately filled
> with random numbers.
>
why hiding the ENCRYPTED partition at all? what's a problem someone else 
will know that it exist, being unable to read what's inside.