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ksanzhik/phpseclib
==================

PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.

03PHP

Since Jul 23Pushed 11mo agoCompare

[ Source](https://github.com/KSanzhik04/phpseclib)[ Packagist](https://packagist.org/packages/ksanzhik/phpseclib)[ RSS](/packages/ksanzhik-phpseclib/feed)WikiDiscussions main Synced 1mo ago

READMEChangelogDependenciesVersions (1)Used By (0)

phpseclib - PHP Secure Communications Library
=============================================

[](#phpseclib---php-secure-communications-library)

[![CI Status](https://github.com/phpseclib/phpseclib/actions/workflows/ci.yml/badge.svg?branch=master&event=push "CI Status")](https://github.com/phpseclib/phpseclib/actions/workflows/ci.yml?query=branch%3Amaster)

Supporting phpseclib
--------------------

[](#supporting-phpseclib)

- [Become a backer or sponsor on Patreon](https://www.patreon.com/phpseclib)
- [One-time donation via PayPal or crypto-currencies](http://sourceforge.net/donate/index.php?group_id=198487)
- [Subscribe to Tidelift](https://tidelift.com/subscription/pkg/packagist-phpseclib-phpseclib?utm_source=packagist-phpseclib-phpseclib&utm_medium=referral&utm_campaign=readme)

Introduction
------------

[](#introduction)

MIT-licensed pure-PHP implementations of the following:

SSH-2, SFTP, X.509, an arbitrary-precision integer arithmetic library, Ed25519 / Ed449 / Curve25519 / Curve449, ECDSA / ECDH (with support for 66 curves), RSA (PKCS#1 v2.2 compliant), DSA / DH, DES / 3DES / RC4 / Rijndael / AES / Blowfish / Twofish / Salsa20 / ChaCha20, GCM / Poly1305

- [Browse Git](https://github.com/phpseclib/phpseclib)

Documentation
-------------

[](#documentation)

- [Documentation / Manual](https://phpseclib.com/)
- [API Documentation](https://api.phpseclib.com/master/) (generated by Doctum)

Branches
--------

[](#branches)

### master

[](#master)

- Development Branch
- Unstable API
- Do not use in production

### 3.0

[](#30)

- Long term support (LTS) release
- Major expansion of cryptographic primitives
- Minimum PHP version: 5.6.1
- PSR-4 autoloading with namespace rooted at `\phpseclib3`
- Install via Composer: `composer require phpseclib/phpseclib:~3.0`

### 2.0

[](#20)

- Long term support (LTS) release
- Modernized version of 1.0
- Minimum PHP version: 5.3.3
- PSR-4 autoloading with namespace rooted at `\phpseclib`
- Install via Composer: `composer require phpseclib/phpseclib:~2.0`

### 1.0

[](#10)

- Long term support (LTS) release
- PHP4 compatible
- Composer compatible (PSR-0 autoloading)
- Install using Composer: `composer require phpseclib/phpseclib:~1.0`
- [Download 1.0.23 as ZIP](http://sourceforge.net/projects/phpseclib/files/phpseclib1.0.23.zip/download)

Security contact information
----------------------------

[](#security-contact-information)

To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.

Support
-------

[](#support)

Need Support?

- [Checkout Questions and Answers on Stack Overflow](http://stackoverflow.com/questions/tagged/phpseclib)
- [Create a Support Ticket on GitHub](https://github.com/phpseclib/phpseclib/issues/new)
- [Browse the Support Forum](http://www.frostjedi.com/phpbb/viewforum.php?f=46) (no longer in use)

Special Thanks
--------------

[](#special-thanks)

Special Thanks to our $50+ sponsors!:

- Allan Simon
- [ChargeOver](https://chargeover.com/)

Contributing
------------

[](#contributing)

1. Fork the Project
2. Ensure you have Composer installed (see [Composer Download Instructions](https://getcomposer.org/download/))
3. Install Development Dependencies

    ```
    composer install
    ```
4. Create a Feature Branch
5. Run continuous integration checks:

    ```
    composer run-script all-quality-tools
    ```
6. Send us a Pull Request

###  Health Score

16

—

LowBetter than 4% of packages

Maintenance38

Infrequent updates — may be unmaintained

Popularity3

Limited adoption so far

Community6

Small or concentrated contributor base

Maturity14

Early-stage or recently created project

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/139846265?v=4)[Sanzhar Karzhibayev](/maintainers/KSanzhik04)[@KSanzhik04](https://github.com/KSanzhik04)

---

Top Contributors

[![KSanzhik04](https://avatars.githubusercontent.com/u/139846265?v=4)](https://github.com/KSanzhik04 "KSanzhik04 (4 commits)")

### Embed Badge

![Health badge](/badges/ksanzhik-phpseclib/health.svg)

```
[![Health](https://phpackages.com/badges/ksanzhik-phpseclib/health.svg)](https://phpackages.com/packages/ksanzhik-phpseclib)
```

###  Alternatives

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