liboauth2
A C library for building OAuth 2.x and OpenID Connect servers and clients, with plugins for Apache and NGINX.
What is liboauth2?
liboauth2 is a C library that provides comprehensive OAuth 2.x and OpenID Connect functionality for building authentication servers and clients. It solves the problem of implementing complex authentication protocols in C-based applications by abstracting HTTP details and providing reusable components. The library extends cjose with OAuth-specific claims, secrets, and hashes while supporting multiple web server integrations.
C developers building web server plugins, authentication modules, or embedded systems requiring OAuth 2.x and OpenID Connect compliance. System integrators and security engineers working on custom authentication solutions for Apache or NGINX environments.
Developers choose liboauth2 because it offers a complete, standards-compliant implementation of modern authentication protocols in C with minimal dependencies. Its plugin architecture for major web servers and configurable cache backends provide flexibility while maintaining performance and security.
Overview
OAuth 2.x and OpenID Connect C library
Use Cases
Best For
- Building Apache or NGINX authentication modules
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