CRYPTSETUP-LUKSDUMP(8) (NAME) cryptsetup-luksDump - LUKS (SYNOPSIS) cryptsetup luksDump [<>] <> (DESCRIPTION) LUKS . --dump-volume-key (keyslot info) LUKS . --volume-key-file . LUKS LUKS . . . --key-file . ( LUKS2) --unbound --key-slot --key-file . --volume-key-file . () JSON LUKS2 ( UUID) --dump-json-metadata . --dump-volume-key --key-file --key-file '-' . <> : [--dump-volume-key, --dump-json-metadata, --key-file, --keyfile-offset, --keyfile-size, --header, --disable-locks, --volume-key-file, --type, --unbound, --key-slot, --timeout, --external-tokens-path]. (OPTIONS) --batch-mode, -q . ! --verify-passphrase . --debug --debug-json . # . --debug-json JSON LUKS2 . --disable-locks . LUKS2 . : cryptsetup ( /run ). --dump-json-metadata luksDump ( LUKS2) JSON LUKS2 . --dump-volume-key, --dump-master-key ( ) . --volume-key-file . --external-tokens-path <_> cryptsetup ( ) . ( '/' ). --header < LUKS> () LUKS . LUKS . LUKS ( luksAddKey) LUKS LUKS . --help, -? . --key-description (keyring) . --key-file, -d . "-" (stdin) . . NOTES ON PASSPHRASE PROCESSING cryptsetup(8) . --keyfile-offset . --keyfile-size, -l . --help . . . --keyfile-offset . --key-slot, -S <0-N> LUKS . LUKS . LUKS1 . LUKS2 LUKS2 . --timeout, -t <_> () . . --key-file . (boot). . --type BASIC ACTIONS cryptsetup(8) . --unbound (unbound) LUKS2 . --usage . --version, -V . --volume-key-file , --master-key-file ( ) . . (REPORTING BUGS) cryptsetup . --debug . (SEE ALSO) cryptsetup (FAQ) cryptsetup(8), integritysetup(8) veritysetup(8) (CRYPTSETUP) cryptsetup . cryptsetup 2.8.7 2026-07-21 CRYPTSETUP-LUKSDUMP(8)