usage: vespa-security keygen <options>
Generates an X25519 key pair and stores its private/public parts in
separate files in Base64 encoded form.
 -h,--help                     Show help
 -k,--private-out-file <arg>   Output file for private (secret) key. Will
                               be created with restrictive file
                               permissions.
    --overwrite-existing       Overwrite existing key files instead of
                               failing key generation if any files already
                               exist. Use with great caution!
 -p,--public-out-file <arg>    Output file for public key
Note: this is a BETA tool version; its interface may be changed at any
time