A tool to invalidate accidental Yubikey presses

C# Library for managing authentication and encryption

modhex encoding/decoding used by Yubico-OTP Authentication

PHP function for Yubico OTP

This project is an attempt to be a Proof of Concept for having persistent MFA for Microsoft Accounts on Windows hosts.

An offline Client for Yubico OTP

A Rust library for working and verifying YubiKey OTPs

A YubiKey batch configuration tool for the YubiKey Manager, written in Powershell

Go code for working with Yubico keys.

Yubico Validation Server in Next.js

TOTP and Yubikey OTP 2FA for Bungeecord

Bash-toolbox-for-Huawei-LTE-API

An implementation of the Yubico Validation Protocol.

OpenResty YubiKey OTP: Lua script for integrating YubiKey OTP authentication into OpenResty. Features environment variable configuration and HTML login form.

PHP class to authenticate YubiKeys locally (Yubico OTP algorithm), without any dependency (no PEAR, no PECL, no cURL)

PHP class to authenticate YubiKeys on YubiCloud, without any dependency (no PEAR, no PECL, no cURL)

PHP 7/8-friendly alternative to the official php-yubico client

A collection of classes to provide second factor authentication like Yubico OTP (Yubikey), Oath (TOTP, HOTP, GoogleAuthenticator) server-side written in PHP.

Yubico dart library for Dart/Flutter

AD FS Multi-Factor Authentication Provider using Yubico OTP