NAME

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

SYNOPSIS

u2f-host [OPTION]...

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

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