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cryptsetup

Manage plain dm-crypt and LUKS (Linux Unified Key Setup) encrypted volumes.

More information.

Initialize a LUKS volume (overwrites all data on the partition):

cryptsetup luksFormat {/dev/sda1}

Open a LUKS volume and create a decrypted mapping at `/dev/mapper/{target}`:

cryptsetup luksOpen {/dev/sda1} {target}

Remove an existing mapping:

cryptsetup luksClose {target}

Change the LUKS volume's passphrase:

cryptsetup luksChangeKey {/dev/sda1}

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