Do I understand this right that this can only work if you have independent disk accesses? For a single sector, the mode would prevent any paralellization (unless you set ECB, which is definitely not a good idea). Arno On Thu, Jan 12, 2012 at 04:22:59PM +0100, Milan Broz wrote: > On 01/12/2012 04:06 PM, Heinz Diehl wrote: > >Hi, > > > >since kernel 3.2 there is a new parallelized variant of twofish > >available via > > > >CONFIG_CRYPTO_TWOFISH_X86_64_3WAY > > > >How can I use it with LUKS/dmcrypt? My current config contains the > >following: > > > ># CONFIG_CRYPTO_TWOFISH is not set > >CONFIG_CRYPTO_TWOFISH_COMMON=y > >CONFIG_CRYPTO_TWOFISH_X86_64=y > >CONFIG_CRYPTO_TWOFISH_X86_64_3WAY=y > > > >How should these options be set up properly? > > You cannot set directly which version is used through dmcrypt interface, > (without patching kernel source) but cryptoAPI should detect the fastest > algorithm automatically. > > For separate modules, force load just that module and unload all other > should perhaps work as well (before crypto device activation). > > (see /proc/crypto and lsmod modules reference count to check which one > is really used) > > Milan > _______________________________________________ > dm-crypt mailing list > dm-crypt@xxxxxxxx > http://www.saout.de/mailman/listinfo/dm-crypt > -- Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@xxxxxxxxxxx GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision. -- Bertrand Russell _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
