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Opening an encrypted partition with a keyfile

  • If you suspect that a partition requires a keyfile instead of a passphrase to open check the file:
cat /etc/crypttab
  • A line like this will indicated such situation:
shirka_ssd-cache-decrypted UUID=43xxxca6-xxxx-xxxx-xxxx-062a3cc5acee crypt.key luks,discard
  • To open such partition use the following command:
cryptsetup -d crypt.key luksOpen /dev/bcache0 shirka-bcache0-uncrypt
  • To show existing associated keyslots in the partition:
sudo cryptsetup luksDump /dev/bcache0
open_encrypted_partition_keyfile.txt · Last modified: 2019/06/26 12:42 by memeruiz