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Example code of imseyed/auth2fa

Informations about the package auth2fa

Two-Factor Authentication (2FA) Library

This PHP library provides functionality for generating Time-based One Time Passwords (TOTP) and HMAC-based One Time Passwords (HOTP), commonly used in two-factor authentication (2FA) systems.

Features

Usage

Install via composer:

TOTP Generation

The Auth2FA::TOTP method generates a Time-based One Time Password using the provided secret key and optional time slice. totp.example.php

If you want show expiration time of TOTP code must use Auth2FA::expire_time. that method return a number Unix timestamp.

HOTP Generation

The Auth2FA::HOTP method generates an HMAC-based One Time Password using the provided secret key and counter value. hotp.example.php

Secret Key Generation

The Auth2FA::generateSecret method generates a random secret key of the specified length.

Note: There is no separate function to check the correctness of 2fa codes. You must use the generation functions to confirm the correctness of the codes sent by users.

License

This library is released under the MIT License.

All versions of auth2fa with dependencies

PHP Build Version
Package Version
Requires php Version >=7.0
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