1# phpseclib - PHP Secure Communications Library 2 3[](https://travis-ci.org/phpseclib/phpseclib) 4 5## Supporting phpseclib 6 7- [Become a backer or sponsor on Patreon](https://www.patreon.com/phpseclib) 8- [One-time donation via PayPal or crypto-currencies](http://sourceforge.net/donate/index.php?group_id=198487) 9- [Subscribe to Tidelift](https://tidelift.com/subscription/pkg/packagist-phpseclib-phpseclib?utm_source=packagist-phpseclib-phpseclib&utm_medium=referral&utm_campaign=readme) 10 11## Introduction 12 13MIT-licensed pure-PHP implementations of an arbitrary-precision integer 14arithmetic library, fully PKCS#1 (v2.1) compliant RSA, DES, 3DES, RC4, Rijndael, 15AES, Blowfish, Twofish, SSH-1, SSH-2, SFTP, and X.509 16 17* [Browse Git](https://github.com/phpseclib/phpseclib) 18 19## Documentation 20 21* [Documentation / Manual](http://phpseclib.sourceforge.net/) 22* [API Documentation](https://api.phpseclib.org/2.0/) (generated by Sami) 23 24## Branches 25 26### master 27 28* Development Branch 29* Unstable API 30* Do not use in production 31 32### 2.0 33 34* Long term support (LTS) release 35* Modernized version of 1.0 36* Minimum PHP version: 5.3.3 37* PSR-4 autoloading with namespace rooted at `\phpseclib` 38* Install via Composer: `composer require phpseclib/phpseclib:~2.0` 39 40### 1.0 41 42* Long term support (LTS) release 43* PHP4 compatible 44* Composer compatible (PSR-0 autoloading) 45* Install using Composer: `composer require phpseclib/phpseclib:~1.0` 46* Install using PEAR: See [phpseclib PEAR Channel Documentation](http://phpseclib.sourceforge.net/pear.htm) 47* [Download 1.0.18 as ZIP](http://sourceforge.net/projects/phpseclib/files/phpseclib1.0.18.zip/download) 48 49## Security contact information 50 51To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure. 52 53## Support 54 55Need Support? 56 57* [Checkout Questions and Answers on Stack Overflow](http://stackoverflow.com/questions/tagged/phpseclib) 58* [Create a Support Ticket on GitHub](https://github.com/phpseclib/phpseclib/issues/new) 59* [Browse the Support Forum](http://www.frostjedi.com/phpbb/viewforum.php?f=46) (no longer in use) 60 61## Contributing 62 631. Fork the Project 64 652. Ensure you have Composer installed (see [Composer Download Instructions](https://getcomposer.org/download/)) 66 673. Install Development Dependencies 68 69 ``` sh 70 composer install 71 ``` 72 734. Create a Feature Branch 74 755. (Recommended) Run the Test Suite 76 77 ``` sh 78 vendor/bin/phpunit 79 ``` 806. (Recommended) Check whether your code conforms to our Coding Standards by running 81 82 ``` sh 83 vendor/bin/phing -f build/build.xml sniff 84 ``` 85 867. Send us a Pull Request 87
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