LibJWT: Welcome to LibJWT

| LibJWT 3.3.2 The C JSON Web Token Library +JWK +JWKS

Welcome to LibJWT

Warning
  Version 3 of LibJWT is a complete overhaul of the code. Please see documentation for usage.

# 💡 Supported Standards

Standard | RFC | Description
--- | --- | ---
JWS | 📄 RFC-7515 | JSON Web Signature
JWE | 📄 RFC-7516 | JSON Web Encryption
JWK | 📄 RFC-7517 | JSON Web Keys and Sets
JWA | 📄 RFC-7518 | JSON Web Algorithms
JWT | 📄 RFC-7519 | JSON Web Token

Note
  Throughout this documentation you will see links such as the ones above to RFC documents. These are relevant to that particular part of the library and are helpful to understand some of the specific standards that shaped the development of LibJWT.

# 🚧 Build Prerequisites

## Required

- JANSSON (>= 2.0)
- CMake (>= 3.7)

## Crypto support

- OpenSSL (>= 3.0.0)
- GnuTLS (>= 3.6.0)
- MbedTLS (>= 3.6.0)

Note
  OpenSSL is required and used for JWK(S) operations.

## Algorithm support matrix

JWS Algorithm alg | OpenSSL | GnuTLS | MbedTLS
--- | --- | --- | ---
HS256 HS384 HS512 | ✅ | ✅ | ✅
ES256 ES384 ES512 | ✅ | ✅ | ✅
RS256 RS384 RS512 | ✅ | ✅ | ✅
EdDSA using ED25519 | ✅ | ✅ | ❌
EdDSA using ED448 | ✅ | ✅ >= 3.8.8 | ❌
PS256 PS384 PS512 | ✅ | ✅ | ✅*
ES256K | ✅ | ❌ | ✅

* RSASSA-PSS support in MbedTLS depends on TF-PSA-Ctypto#154

## Optional

- Check Library (>= 0.9.10) for unit testing
- Doxygen (>= 1.13.0) for documentation

# 📖 Docs and Source

🔗 Current Docs

🔗 Legacy Docs v2.1.1

🔗 GitHub Repo

# 📦 Pre-built Packages

LibJWT is available in most Linux distributions as well as through Homebrew for Linux, macOS, and Windows.

# 🔨 Build Instructions

## With CMake:

$ mkdir build
$ cd build
$ cmake ..
$ make