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| From: | dante <dante@×××××××××××××××.net> | ||
|---|---|---|---|
| To: | gentoo-security@l.g.o | ||
| Subject: | Re: [gentoo-security] Cryptsetup-LUKS: cryptsetup -c anycipher-xts-plain:sha256 or not :sha256? | ||
| Date: | Sun, 16 Mar 2008 13:16:15 | ||
| Message-Id: | 47DD1D5E.80106@virtualblueness.net | ||
| In Reply to: | [gentoo-security] Cryptsetup-LUKS: cryptsetup -c anycipher-xts-plain:sha256 or not :sha256? by jehovah@wir-sind-cool.org | ||
| 1 | jehovah@×××××××××××××.org wrote: |
| 2 | > Hi, |
| 3 | > |
| 4 | > 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. |
| 5 | > |
| 6 | > Best, |
| 7 | > Jehovah |
| 8 | > |
| 9 | There are two wikipedia articles which explain disk encryption theory in |
| 10 | general: |
| 11 | |
| 12 | http://en.wikipedia.org/wiki/Disk_encryption_theory |
| 13 | http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation |
| 14 | |
| 15 | The latter is particularly good and illustrates the problem with naive |
| 16 | ECB mode using pictures. |
| 17 | |
| 18 | I hope this helps |
| 19 | |
| 20 | --Tony |
| 21 | |
| 22 | -- |
| 23 | gentoo-security@l.g.o mailing list |