cryptsetup-ssh
CRYPTSETUP-SSH(8) Maintenance Commands CRYPTSETUP-SSH(8)
NAME
cryptsetup-ssh - manage LUKS2 SSH token
SYNOPSIS
cryptsetup-ssh <options> <action> <action args>
DESCRIPTION
Experimental cryptsetup plugin for unlocking LUKS2 devices with token
connected to an SSH server.
This plugin currently allows only adding a token to an existing key
slot, see cryptsetup(8) for instruction on how to remove, import or ex-
port the token.
Add operation
add <options> <device>
Adds the SSH token to <device>.
Specified SSH server must contain a key file on the specified
path with a passphrase for an existing key slot on the device.
Provided credentials will be used by cryptsetup to get the pass-
word when opening the device using the token.
--ssh-server, --ssh-user, --ssh-keypath and --ssh-path are re-
quired for this operation.
--key-slot=NUM
Keyslot to assign the token to. If not specified, the token will
be assigned to the first key slot matching provided passphrase.
--ssh-keypath=STRING
Path to the SSH key for connecting to the remote server.
--ssh-path=STRING
Path to the key file on the remote server.
--ssh-server=STRING
IP address/URL of the remote server for this token.
--ssh-user=STRING
Username used for the remote server.
OPTIONS
--debug
Show debug messages
--debug-json
Show debug messages including JSON metadata
-v, --verbose
Shows more detailed error messages
-?, --help
Show help
-V, --version
Print program version
NOTES
The information provided when adding the token (SSH server address,
user and paths) will be stored in the LUKS2 header in plaintext.
REPORTING BUGS
Report bugs, including ones in the documentation, on the cryptsetup
mailing list at <dm-crypt@saout.de> or in the 'Issues' section on LUKS
website. Please attach the output of the failed command with the --de-
bug option added.
COPYRIGHT
Copyright (C) 2016-2021 Red Hat, Inc.
Copyright (C) 2016-2021 Milan Broz
Copyright (C) 2021 Vojtech Trefny
This is free software; see the source for copying conditions. There is
NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
SEE ALSO
The project website at https://gitlab.com/cryptsetup/cryptsetup
cryptsetup-ssh June 2021 CRYPTSETUP-SSH(8)
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