* [dm-crypt] Can I encrypt an already existing, non-empty partition to use LUKS? @ 2013-09-09 18:26 Enda 2013-09-09 19:36 ` Milan Broz 0 siblings, 1 reply; 2+ messages in thread From: Enda @ 2013-09-09 18:26 UTC (permalink / raw) To: dm-crypt@saout.de https://code.google.com/p/cryptsetup/wiki/FrequentlyAskedQuestions The FAQ says "there is no converter, and it is not really needed." I already have a backup of my data, and I could wipe all the files on the drive with luks and then restore from backup but I would prefer to keep the files on the drive in case something happened to the backup files. Is it possible to encrypt an already existing, non-empty partition to use LUKS? -- Enda ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [dm-crypt] Can I encrypt an already existing, non-empty partition to use LUKS? 2013-09-09 18:26 [dm-crypt] Can I encrypt an already existing, non-empty partition to use LUKS? Enda @ 2013-09-09 19:36 ` Milan Broz 0 siblings, 0 replies; 2+ messages in thread From: Milan Broz @ 2013-09-09 19:36 UTC (permalink / raw) To: Enda; +Cc: dm-crypt@saout.de On 09/09/2013 08:26 PM, Enda wrote: > https://code.google.com/p/cryptsetup/wiki/FrequentlyAskedQuestions > > The FAQ says "there is no converter, and it is not really needed." > > > I already have a backup of my data, and I could wipe all the files on > the drive with luks and then restore from backup but I would prefer > to keep the files on the drive in case something happened to the > backup files.> > Is it possible to encrypt an already existing, non-empty partition to use LUKS? Well, there is a way. It is not in-place encryption (the data are shifted) so you need reserve some space in the end of device (either by increasing partition or by shrinking the filesystem a little bit). Read http://asalor.blogspot.cz/2012/08/re-encryption-of-luks-device-cryptsetup.html and man page of cryptsetup-reencrypt. And do not try it without backup, reencrypting is still experimental thing. Milan ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2013-09-09 19:36 UTC | newest] Thread overview: 2+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2013-09-09 18:26 [dm-crypt] Can I encrypt an already existing, non-empty partition to use LUKS? Enda 2013-09-09 19:36 ` Milan Broz
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox