SYNOPSIS

ykclient [OPTION]… CLIENTID YUBIKEYOTP

OPTIONS

--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"

--cai

CAFILE Path to a file holding one or more certificated to verify the peer with

--apikey

Key API key for HMAC validation of request/response

--proxy

ip:port Connect to validation service through a proxy, e.g., "socks5h://user:pass@127.0.0.1:1080"

OTHER

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. 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