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Libgossamer

Public Key Infrastructure without Certificate Authorities, for WordPress and Packagist

Install / Use

/learn @paragonie/Libgossamer

README

Libgossamer

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Want to learn about the Gossamer project? Check out our website!

Library that provides most of the plumbing for the Gossamer PKI.

Since version 0.4.0 it also bundles a client-side library for retrieving keys and verifying the signatures of update files.

The code syntax is compatible with PHP 5.3+, but this is only intended for PHP 5.6+, as per WordPress's new minimum supported version.

Getting Started

Installing

First, obtain the source code from Composer/Packagist, like so:

composer require paragonie/libgossamer:^0|^1

This will include two components:

  1. The library that implements the Gossamer specification.
  2. The Gossamer Client.

The next steps will depend entirely on what you want to do with Gossamer. Check out the tutorials directory for specific next steps.

Other Repositories

Documentation

Read the Libgossamer Documentation online.

Related Skills

View on GitHub
GitHub Stars37
CategoryOperations
Updated2mo ago
Forks2

Languages

PHP

Security Score

80/100

Audited on Jan 23, 2026

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