ykclient(1) YubiCloud One-Time-Password Validation Client

SYNOPSIS

ykclient [,OPTION/]... ,CLIENTID YUBIKEYOTP/

DESCRIPTION

Validate the YUBIKEYOTP one-time-password against the YubiCloud using CLIENTID as the client identifier.

Mandatory arguments to long options are mandatory for short options too.

--help
Display this help screen
--version
Display version information
--debug
Print debugging information
--url URL
Validation service URL, for example, "http://api.yubico.com/wsapi/verify"
--ca CADIR
Path to directory containing Certificate Authoritity, e.g., "/usr/local/etc/CERTS"
--apikey Key
API key for HMAC validation of request/response

Exit status is 0 on success, 1 if there is a hard failure, 2 if the OTP was replayed, 3 for other soft OTP-related failures.

REPORTING BUGS

Report bugs at <https://github.com/Yubico/yubico-c-client>.