NAME

ykclient - YubiCloud One-Time-Password Validation Client

SYNOPSIS

ykclient [OPTION]... CLIENTID YUBIKEYOTP

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"
--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"

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.

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