README

Designed to be a vendor-agnostic implementation of various Two-Factor Authentication solutions.

Developed by Paragon Initiative Enterprises for use in our own projects. It's released under a dual license: GPL and MIT. As with all dual-licensed projects, feel free to choose the license that fits your needs.

Requirements

• PHP 7.2+
  • As per Paragon Initiative Enterprise's commitment to open source, all new software will no longer be written for PHP 5.

Installing

composer require paragonie/multi-factor

Example Usage

<?php use ParagonIE\MultiFactor\OneTime; use ParagonIE\MultiFactor\OTP\TOTP; $seed = random_bytes(20); // You can use TOTP or HOTP $otp = new OneTime($seed, new TOTP()); if (\password_verify($_POST['password'], $storedHash)) { if ($otp->validateCode($_POST['2facode'], time())) { // Login successful  } }