--key-slot,-S <0-7> For LUKS operations that add key material, this options allows you to specify which key slot is selected for the new key. This option can be used for luksFormat, and luksAddKey. In addition, for open, this option selects a specific key-slot to compare the passphrase against. If the given passphrase would only match a ... Ubuntu Manpage: cryptsetup - manage plain dm-crypt and ... --key-slot,-S <0-7> For LUKS operations that add key material, this options allows you to specify which key slot is selected for the new key. This option can be used for luksFormat, and luksAddKey. In addition, for open, this option selects a specific key-slot to compare the passphrase against. If the given passphrase would only match a ... LUKS drive cannot be unlocked anymore (produces "Invalid ...
The most notable expansion was for the Linux Unified Key Setup (LUKS) extension, which stores all of the needed setup information for dm-crypt on the disk itself and abstracts partition and key management in an attempt to improve ease of use. Devices accessed via the device-mapper are called blockdevices.
Bug #1790979 “Unable to change disk decryption passphrase” : Bugs ... Sep 5, 2018 ... Change the disk decryption passphrase of key in any slot other than slot 0 while there is an ... /dev/sda2/:Failed to add the new passphrase: Invalid argument ( udisks-error-quark, 0) ... LUKS header information for /dev/sda2. linux - LUKS passphrase doesn't work - Unix & Linux Stack Exchange If there is corruption in the LUKS header (more than just a single ... You could check it out with hexdump (manual approach to keyslot checker): ubuntu - How to recover key after using LuksRemovekey? - Server Fault
The system doesn't use LUKS, as it uses something else, so the LUKS problem can be system setup/settings related. The 'cryptsetup luksDump' doesn't show anything unusual either. Version, cipher name and mode, hash spec, etc. show normal values, and at least one key slot is enabled, so I don't think there is anything wrong with the drive.
fsck starts asking questions, you're fine if you answer no, but screwed when you answer yes. fsck zeroes out LUKS key material, there is no way to recover. You'd need to know the master key (if the luks container is still open, dmsetup table --showkeys) or a valid backup of the LUKS header. Detemine which luks slot a passphrase is in - Unix & Linux… I have a luks-encrypted partition that was protected by a passphrase and a key file. The key file was for routine access and the passphrase was in a sealed envelope for emergencies.
How is LUKS dm-crypt secure if the key is stored with the ...
# Updating LUKS header of size 1024 on device /dev/sda6 # Key length 32, device size 328741232 sectors, header size 2050 sectors. # Reading LUKS header of size 1024 from device /dev/sda6 # Key length 32, device size 328741232 sectors, header size 2050 sectors. # Adding new keyslot -1 using volume key. # Calculating data for key slot 0 Disk encryption (简体中文) - ArchWiki Disk encryption ensures that files are always stored on disk in an encrypted form. The files only become available to the operating system and applications in readable form while the system is running and unlocked by a trusted user. An unauthorized person looking at the disk contents directly, will ...
How to manage disk encryption passphrases and key slots
Сброс забытого LUKS ключа — установка нового ключа. Если вы перезагрузили (ваш) сервер, и не можете смонтировать ваш зашифрованный LUKS разделКогда появляется приглашение командной строки «Enter new passphrase for key slot:», введите новый LUKS пароль. How to add a passphrase, key, or keyfile to an existing … LUKS-formatted dm-crypt volumes have 8 key slots. To fill an empty key slot, the device node path of the encrypted device (from hereInteractively adding a single-line text-only passphrase to an existing LUKS volume: Add a new passphrase with the command: cryptsetup luksAddKey DEV Example Improve handling of LUKS key slots · Issue #67 · dyne/Tomb ·… This is a potential backdoor especially if Tomb doesn't checks the status of other LUKS specific key slots in a volume: a key can be added in the 2nd or 3rd slot without the user noticing, making the volume accessible with another key . encryption - "No key available with this passphrase" with... -…
Ubuntu Manpage: cryptsetup - manage plain dm-crypt and ... --key-slot,-S <0-7> For LUKS operations that add key material, this options allows you to specify which key slot is selected for the new key. This option can be used for luksFormat, and luksAddKey. In addition, for open, this option selects a specific key-slot to compare the passphrase against. If the given passphrase would only match a ... LUKS drive cannot be unlocked anymore (produces "Invalid ... The system doesn't use LUKS, as it uses something else, so the LUKS problem can be system setup/settings related. The 'cryptsetup luksDump' doesn't show anything unusual either. Version, cipher name and mode, hash spec, etc. show normal values, and at least one key slot is enabled, so I don't think there is anything wrong with the drive. Ubuntu Manpage: cryptsetup-reencrypt - tool for offline ... WARNING: --key-file option can be used only if there only one active keyslot, or alternatively, also if --key-slot option is specified (then all other keyslots will be disabled in new LUKS device). If this option is not used, cryptsetup-reencrypt will ask for all active keyslot passphrases.