libapache2-mod-authn-yubikey 1.0-1.2 (powerpc binary) in ubuntu zesty

 The mod_authn_yubikey module is an authentication provider
 for the Apache platform. It leverages the YubiKey which is
 a small token that acts as an authentication device.
 .
 The mod_authn_yubikey module provides one and two factor
 authentication for your website and is completely independent
 from the technology that implements your website (like CGI, JSP or PHP).