Web Service Clients

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We offer implementations of the Yubico Web Service API in a number of different languages. Most of these projects are typically run as external free software projects. Some of these are stable but most are under development with known defects (check the bug tracker).

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Yubico Java Client

Integrate Yubikey OTP verification into your Java code.
» Google Code "yubico-java-client" Project

Yubico C Client Library

A shared library written in C that performs online YubiKey OTP validation.
» Google Code "yubico-c-client" Project

Yubico .NET Client

This library contains a C# implementation of YubiKey OTP verification.
» Google Code "yubico-dot-net-client" Project

Yubico PAM module

This module enables you to use YubiKey for authentication in any environment that relies on the Pluggable Authentication Module (PAM) system. Useful for GNU/Linux desktop login, Solaris login, Windows login via pGina, MyProxy, SSH, and so on.
» Google Code "pam-yubico" Project

Yubico PHP class

A PHP class allows you to easily check YubiKey OTP's from your PHP web site.
» Google Code "php-yubico" Project

Standalone Yubico PHP class

PHP Class that doesn't rely on the PEAR framework, with SSL verification support, written by Tom Corwine.
» Google Code "yubikey-php-webservice-class" Project

MediaWiki Yubikey Extension

Authenticate your MediaWiki users using the Yubikey plugin, to reduce spam and bot problems.
» Google Code "yubikey-mediawiki" Project

Ruby Yubico Client

The Ruby client offers easy integration of YubiKey validation in the Ruby language.
» GitHub "yubikey" Project
» Unmaintained: Google Code "ruby-yubico" Project

Yubico PERL Client

Client-side code written in Perl for verifying YubiKey one-time passcodes (OTPs).
» Auth-Yubikey_WebClient project on CPAN
» POE-Component-YubiAuth project on CPAN
» Unmaintained: Google Code "yubico-perl-client" Project

Yubico Python Client

You can use Python along with the YubiKey for some serious authentication. This is the client-side code in Python for verifying the YubiKey one-time passcodes (OTPs).
» Google Code "yubikey-python" Project
» Google Code "yubico-python-client" Project

Yubico ABAP Client

An ABAP class for verifying Yubico One-Time-Passwords.
» Google Code "yubico-abap" Project

Apache Basic Auth mechanism: mod_authn_yubikey

The mod_authn_yubikey module provides one and two-factor authentication for your website and is completely independend from the technlogy that implements your website (like CGI, JSP or PHP).
» The "mod_authn_yubikey" Project