NAME

u2f-host - Yubico Universal 2nd Factor (U2F) Host Tool

SYNOPSIS

u2f-host [OPTION]...

DESCRIPTION

Perform U2F host-side operations on the command line. Reads challenge from standard input and writes a response to standard output.

-h, --help

Print help and exit

-V, --version

Print version and exit

-o, --origin=STRING

Origin URL to use.

-a, --action=ENUM

Action to take. (possible values="register", "authenticate", "sendrecv")

-t, --touch

Invert user-presence flag (on by default) (default=off)

-d, --debug

Print debug information to standard error (default=off)

-c, --command=STRING

Command for sendrecv action

REPORTING BUGS

Report bugs at <https://github.com/Yubico/libu2f-host>.