LIBU2F-SERVER(1)

NAME
libu2f-server - Yubico Universal 2nd Factor (U2F) Server Tool

SYNOPSIS
libu2f-server [OPTION]...

DESCRIPTION
Perform U2F server-side operations on the command line. Writes challenge to standard output and read responses from standard input.

-h, --help
    Print help and exit

-V, --version
    Print version and exit

-o, --origin=STRING
    Origin URL to use.

-i, --appid=STRING
    Application ID to use.

-c, --challenge=STRING
    Challenge (Base64-URL encoded) string to use.

-a, --action=ENUM
    Action to take. (possible values="register", "authenticate")

-k, --key-handle=STRING
    A file containing a key-handle

-p, --user-key=STRING
    A file containing the public user-key

-d, --debug
    Print debug information to standard error (default=off)

-x, --x509cert=STRING
    A file to write the registration attestation certificate to

REPORTING BUGS
Report bugs at <https://github.com/Yubico/libu2f-server>.