Cryptsetup Operations: Difference between revisions
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Test password: b4H4x9_3hdHEd | Test password: b4H4x9_3hdHEd | ||
After 'luksFormat' operation, the block device is now type "", as [[blkid]] shows: | |||
# blkid | |||
... | |||
/dev/sdb: UUID="8a5fa3ae-d997-4c3a-a6f6-ab7ac9007ef8" TYPE="crypto_LUKS" | |||
Revision as of 08:32, 24 December 2018
Internal
Overview
cryptsetup is the userspace utility used to manage the dm-crypt encryption functionality.
Installation
yum install cryptsetup
Encrypting a Block Device with cryptsetup/LUKS
Format the block device with LUKS and assign it a passphrase (it is also possible to use a key file).
cryptsetup luksFormat -y -v /dev/sdb
Test password: b4H4x9_3hdHEd
After 'luksFormat' operation, the block device is now type "", as blkid shows:
# blkid ... /dev/sdb: UUID="8a5fa3ae-d997-4c3a-a6f6-ab7ac9007ef8" TYPE="crypto_LUKS"