NAME

       jcat-tool - Standalone detached signature utility

DESCRIPTION

   Usage:
              jcat-tool [OPTION?]

       add-alias FILENAME ID ALIAS_ID
              Add an alias for a specific item

       export FILENAME
              Exports all embedded signatures to files

       import FILENAME DATA DETACHED_KEY
              Import an existing signature to a file

       info FILENAME
              Show information about a file

       remove-alias FILENAME ID ALIAS_ID
              Remove an alias for a specific item

       self-sign FILENAME SOURCE
              Add a self-signed signature to a file

       sign FILENAME SOURCE CERT PRIVKEY
              Add a signature to a file

       verify FILENAME [SOURCE]
              Verify a signature from a file

   Help Options:
       -h, --help
              Show help options

   Application Options:
       --version
              Print the version number

       -v, --verbose
              Print verbose debug statements

       --basename
              Only consider the basename for the ID

       --public-key
              Location of public key used for verification

       --public-keys
              Location of public key directories used for verification

       --prefix
              Prefix for import and output files

       --kind Kind for blob, e.g. `gpg`

       --appstream-id
              Appstream ID for blob, e.g. `com.bbc`

       --keyring
              Keyring location, e.g. `/var/lib/fwupd`