= cryptsetup-token(8)
:doctype: manpage
:manmanual: Maintenance Commands
:mansource: cryptsetup {release-version}
:man-linkstyle: pass:[blue R < >]
:COMMON_OPTIONS:
:ACTION_TOKEN:

== Name

cryptsetup-token - manage LUKS2 tokens

== SYNOPSIS

*cryptsetup _token_ <add|remove|import|export|unassign> [<options>] <device>*

== DESCRIPTION

Action _add_ creates a new keyring token to enable auto-activation of the
device. For the auto-activation, the passphrase must be stored in
keyring with the specified description. Usually, the passphrase should
be stored in _user_ or _user-session_ keyring. The _token_ command is
supported only for LUKS2.

For adding new keyring token, option --key-description is mandatory.
Also, new token is assigned to key slot specified with --key-slot option
or to all active key slots in the case --key-slot option is omitted.

To remove existing token, specify the token ID which should be removed
with --token-id option.

*WARNING:* The action _token remove_ removes any token type, not just
_keyring_ type from token slot specified by --token-id option.

Action _import_ can store arbitrary valid token json in LUKS2 header. It
may be passed via standard input or via file passed in --json-file
option. If you specify --key-slot then successfully imported token is
also assigned to the key slot.

Action _export_ writes requested token JSON to a file passed with
--json-file or to standard output.

Action _unassign_ removes token binding to specified keyslot. Both token
and keyslot must be specified by --token-id and --key-slot parameters.

If --token-id is used with action _add_ or action _import_ and a token
with that ID already exists, option --token-replace can be used to
replace the existing token.

*<options>* can be [--header, --token-id, --key-slot, --key-description,
--disable-external-tokens, --disable-locks, --disable-keyring,
--json-file, --token-replace, --unbound].

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