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PHP library fortwo-factor (or multi-factor) authentication usingTOTP andQR-codes. Inspired by, based on but most importantly animprovement on 'PHPGangsta/GoogleAuthenticator'. There's a.Net implementation of this library as well.

• Requires PHP version >=8.2

Optionally, you may need:

• sockets if you are usingNTPTimeProvider
• endroid/qr-code if usingEndroidQrCodeProvider orEndroidQrCodeWithLogoProvider.
• bacon/bacon-qr-code if usingBaconQrCodeProvider.
• php-curl library when using an external QR Code provider such asQRServerProvider,ImageChartsQRCodeProvider,QRicketProvider or any other custom provider connecting to an external service.

The best way of installing this library is with composer:

php composer.phar require robthree/twofactorauth

For a quick start, have a look at thegetting started page or try out thedemo.

If you need more in-depth information about the configuration available then you can read through the rest ofdocumentation.

• CakePHP plugin
• CI4-Auth: a user, group, role and permission management library for Codeigniter 4

Licensed under MIT license. SeeLICENSE for details.

Logo / icon under CC0 1.0 Universal (CC0 1.0) Public Domain Dedication (Archived page)