Re: Cryptsetup-LUKS: cryptsetup -c anycipher-xts-plain:sha256 or not :sha256?

dante <[email protected]> Sun, 16 Mar 2008 09:15:10 -0400
Newsgroups gmane.linux.gentoo.security
Message-ID <[email protected]>
[email protected] wrote:
> Hi,
>
> I found many guides on harddisk encryption with cryptsetup-LUKS but none of them clarifies if it makes sense to use a hash-function (like sha256) with xts-plain. I would appreciate any hint.
>
> Best,
> Jehovah
>   
There are two wikipedia articles which explain disk encryption theory in
general:

http://en.wikipedia.org/wiki/Disk_encryption_theory
http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation

The latter is particularly good and illustrates the problem with naive
ECB mode using pictures.

I hope this helps

--Tony

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