Re: Re: instead of wiping the data, filling an encrypted volume with zeros

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Jan Reusch schrieb:
> Dick Middleton schrieb:
>   
>> The problem with writing zeros is that every block will be encoded the
>> same so it's possible to see where the real data ends and the encoded
>> zeros blocks begin.
>>     
> nope :)
> encrypted zeros at sector x give not the same data as encrypted zeros at
> sector y (if x != y)
>   
gnah sorry, im not very familiar with this...
concerning the "cipher"-cbc-essiv method(standard of luksFormat) i
should be right.
but there was a problem with the old cryptoloop format (also standard
for normal dmcrypt devices as it is compatible to cryptoloop) and
watermarking attack.

cu
Jan

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