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Package googleauthenticator
Short Description Google Authenticator 2-factor authentication
License BSD-2-Clause
Informations about the package googleauthenticator
Google Authenticator (TOTP)
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This is a fork of https://github.com/PHPGangsta/GoogleAuthenticator with the following changes:
- Uses https://github.com/endroid/qr-code to generate QR code data URIs
- No longer generates Google's Chart API to make QR code links
- Uses namespacing
- Augmented test coverage to 100%
- Bumped minimum PHP version to 8.1
Original License:
- Copyright (c) 2012-2016, http://www.phpgangsta.de
- Author: Michael Kliewe, @PHPGangsta and contributors
- Licensed under the BSD License.
Description:
This PHP class can be used to interact with the Google Authenticator mobile app for 2-factor-authentication. This class can generate secrets, generate codes, validate codes and present a QR-Code for scanning the secret. It implements TOTP according to RFC6238
For a secure installation you have to make sure that used codes cannot be reused (replay-attack). You also need to limit the number of verifications, to fight against brute-force attacks. For example you could limit the amount of verifications to 10 tries within 10 minutes for one IP address (or IPv6 block). It depends on your environment.
Usage:
See following example:
Running the script provides output similar to:
Installation:
- Use Composer to install the package
Run Tests:
- All tests are inside
tests
folder. - Execute
composer install
to prepare your environment. - Run
composer test
from the project root directory.