Hi Konstantin, sorry, you data is gone. You overwrote the start of the first key-slot and there is no way to recover from that without backup. One of the reasons why I think RAID superblocks at the start of the device (and even more so at 4kB offset) are messed up and a sign of clueless designers. Regards, Arno On Sun, Jul 28, 2019 at 13:57:50 CEST, Konstantin V. Gavrilenko wrote: > Hi List, > > as a result of executing a command from the history, after a reboot, when > the disk letters were changed, I have accidentally overwritten the LUKS > header with the raid superblock one :( > > Now I can not open the cryptodisk with the "luksOpen" as it states the "No > key available with this passphrase." > > > However, when I run "luksDump" the header information is available > > # cryptsetup luksDump /dev/sdd1 > LUKS header information for /dev/sdd1 > > Version: 1 > Cipher name: aes > Cipher mode: xts-plain64 > Hash spec: sha256 > Payload offset: 4096 > MK bits: 256 > MK digest: a6 a6 de 04 5a 19 9f 97 54 a9 79 bf f8 c1 37 89 69 44 34 76 > MK salt: 7a 0b 8e cc 68 06 35 ec 09 fc 5e f9 90 e3 c9 ef > 8b 11 96 10 4c 25 ab 89 a1 48 df fe 6a 88 20 96 > MK iterations: 232809 > UUID: 0f91c412-6f6a-405d-8040-5cc17ad17b47 > > Key Slot 0: ENABLED > Iterations: 3724958 > Salt: c4 52 ac 04 59 8a d1 4f 7a 3c 5d e8 d3 50 1a c4 > 11 20 0b 66 66 81 78 09 9f 7a f4 c1 dc 80 d4 40 > Key material offset: 8 > AF stripes: 4000 > Key Slot 1: DISABLED > Key Slot 2: DISABLED > Key Slot 3: DISABLED > Key Slot 4: DISABLED > Key Slot 5: DISABLED > Key Slot 6: DISABLED > Key Slot 7: DISABLED > > > > The RAID superblock that was written by mdadm is default, version 1.2 that > is located 4K from the beginning of the device. > > > Providing that I have no backup of the original header and I know wht was > written, is there a way to restore the header and get the data? > > > Konstantin > _______________________________________________ > dm-crypt mailing list > dm-crypt@xxxxxxxx > https://www.saout.de/mailman/listinfo/dm-crypt -- Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno@xxxxxxxxxxx GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718 ---- A good decision is based on knowledge and not on numbers. -- Plato If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx https://www.saout.de/mailman/listinfo/dm-crypt
