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altcha-org/altcha
=================

A lightweight PHP library for creating and verifying ALTCHA challenges.

v2.0.2(2mo ago)92831.1k↓12.8%1219MITPHPPHP >=8.1CI passing

Since Jul 26Pushed 2mo ago3 watchersCompare

[ Source](https://github.com/altcha-org/altcha-lib-php)[ Packagist](https://packagist.org/packages/altcha-org/altcha)[ RSS](/packages/altcha-org-altcha/feed)WikiDiscussions main Synced 4d ago

READMEChangelog (10)Dependencies (15)Versions (22)Used By (19)Security (1)

ALTCHA PHP Library
==================

[](#altcha-php-library)

A lightweight PHP library for creating and verifying [ALTCHA](https://altcha.org) challenges using key derivation functions (PBKDF2, Argon2id, Scrypt).

Compatibility
-------------

[](#compatibility)

- PHP 8.1+

Migrating from V1 to V2
-----------------------

[](#migrating-from-v1-to-v2)

- [`MIGRATION-v1.md`](/MIGRATION-v1.md)

Example
-------

[](#example)

- [Basic Server](/examples/server.php)
- [Server Signature](/examples/server_verify.php)

Installation
------------

[](#installation)

```
composer require altcha-org/altcha
```

Usage
-----

[](#usage)

```