[Bug 886483] [NEW] Twofish LUKS Support in Alternate Installer

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In the Ubuntu Alternate installer, the option for using Twofish appears
to have been removed around the Maverick or, possibly, Natty time frame.
The option to install using LUKS onto Twofish partitions was present in
Lucid, but some time around Maverick or Natty it was removed and now
this option is no longer available when using the alternate installer to
install a LUKS partition.

It would be preferable to have this option back, as Twofish is a very
viable cipher which has very high strength, yet is reasonably fast.  It
is, of course, possible to create Twofish partitions post-install, but
having this feature during the install itself is very useful, especially
for the root partition.  Further, this feature existed in Ubuntu
previously.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: cryptsetup 2:1.1.3-4ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Sat Nov  5 05:46:11 2011
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: cryptsetup
UpgradeStatus: Upgraded to oneiric on 2011-11-01 (3 days ago)
crypttab:
 sda2_crypt UUID=2fcde4e4-1711-42fe-8612-bb532b6c4bc6 none luks
 sda3_crypt /dev/sda3 /dev/urandom cipher=twofish-cbc-essiv:sha256,size=256,swap

** Affects: cryptsetup (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug oneiric
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Twofish LUKS Support in Alternate Installer
https://bugs.launchpad.net/bugs/886483
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