.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.46.5. .TH LIBU2F-SERVER "1" "July 2015" "libu2f-server 1.0.1" "User Commands" .SH NAME libu2f-server \- Yubico Universal 2nd Factor (U2F) Server Tool .SH SYNOPSIS .B libu2f-server [\fI\,OPTIONS\/\fR]... .SH DESCRIPTION libu2f\-server 1.0.1 .PP Perform U2F server\-side operations on the command line. Writes challenge to standard output and read responses from standard input. .TP \fB\-h\fR, \fB\-\-help\fR Print help and exit .TP \fB\-V\fR, \fB\-\-version\fR Print version and exit .TP \fB\-o\fR, \fB\-\-origin\fR=\fI\,STRING\/\fR Origin URL to use. .TP \fB\-i\fR, \fB\-\-appid\fR=\fI\,STRING\/\fR Application ID to use. .TP \fB\-c\fR, \fB\-\-challenge\fR=\fI\,STRING\/\fR Challenge (Base64\-URL encoded) string to use. .TP \fB\-a\fR, \fB\-\-action\fR=\fI\,ENUM\/\fR Action to take. (possible values="register", "authenticate") .TP \fB\-k\fR, \fB\-\-key\-handle\fR=\fI\,STRING\/\fR A file containing a key\-handle .TP \fB\-p\fR, \fB\-\-user\-key\fR=\fI\,STRING\/\fR A file containing the public user\-key .TP \fB\-d\fR, \fB\-\-debug\fR Print debug information to standard error (default=off) .SH "REPORTING BUGS" Report bugs at .