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# phpseclib - PHP Secure Communications Library [![CI Status](https://github.com/phpseclib/phpseclib/actions/workflows/ci.yml/badge.svg?branch=3.0&event=push "CI Status")](https://github.com/phpseclib/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 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 / Manual](https://phpseclib.com/) * [API Documentation](https://api.phpseclib.com/3.0/) (generated by Doctum) ## Branches ### master * Development Branch * Unstable API * Do not use in production ### 3.0 * 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 * 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 * 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 To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure. ## 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 to our $50+ sponsors!: - Allan Simon - [ChargeOver](https://chargeover.com/) ## Contributing 1. Fork the Project 2. Ensure you have Composer installed (see [Composer Download Instructions](https://getcomposer.org/download/)) 3. Install Development Dependencies ```sh composer install ``` 4. Create a Feature Branch 5. Run continuous integration checks: ```sh composer global require php:^8.1 squizlabs/php_codesniffer friendsofphp/php-cs-fixer vimeo/psalm phpcs --standard=build/php_codesniffer.xml php-cs-fixer fix --config=build/php-cs-fixer.php --diff --dry-run --using-cache=no psalm --config=build/psalm.xml --no-cache --long-progress --report-show-info=false --output-format=text vendor/bin/phpunit --verbose --configuration tests/phpunit.xml ``` 6. Send us a Pull Request

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