On 03/06/2010 01:12 AM, Marek Stopka wrote: > Hi guys, I have forgotten password to my luks encrypted disk, I have > lost no data (yet :) ), because system is still running with unlocked > device, but problem is, that I have a scheduled hardware maintanance > window quite soon, so I was wondering is it somehow easily possible to > luksAddKey without knowing a password or recover password from memory > or it will be much more easier to copy those data somewhere else and > create a new encrypted disk? It is like 12TB of data so I would really > prefer not to copy those data somewhere else, but if I will have to, I > can pull that off... > > But I am wondering since key need to be in a memory somewhere there > could be a way... :) If the encrypted device is active and you are root... dmsetup table --showkeys recode master key from the table (from hexa) into binary and store to file cryptsetup luksAddKey --master-key-file <file above> (with cryptsetup 1.1.0) Milan _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
