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Java implementation of PASETO: Platform-Agnostic Security Tokens

License Quality

Implementation of PASETO library written in Java. This library is focused on taking part of the encryption/decryption part of the tokens it has a little dependencies as possible. How you construct the tokens with which JSON library is up to you. According to the specification the payload should always be a JSON object.

Contents

What is Paseto?

Paseto is everything you love about JOSE (JWT, JWE, JWS) without any of the many design deficits that plague the JOSE standards. Paseto (Platform-Agnostic SEcurity TOkens) is a specification and reference implementation for secure stateless tokens.

Key Differences between Paseto and JWT

Unlike JSON Web Tokens (JWT), which gives developers more than enough rope with which to hang themselves, Paseto only allows secure operations. JWT gives you "algorithm agility", Paseto gives you "versioned protocols". It's incredibly unlikely that you'll be able to use Paseto in an insecure way.

Caution: Neither JWT nor Paseto were designed for stateless session management. Paseto is suitable for tamper-proof cookies, but cannot prevent replay attacks by itself

Installation

There are two version available in Maven Central.

Version 2

Version 2 (the recommended version by the specification) is supported, this version depends on Libsodium see here on how to install this library. The Dockerfile contains an example how to install it on a Linux based system.

Add the following dependency to your project:

<!-- https://mvnrepository.com/artifact/io.github.nbaars/paseto4j-version2 -->
<dependency>
    <groupId>io.github.nbaars</groupId>
    <artifactId>paseto4j-version2</artifactId>
    <version>0.0.29</version>
</dependency>

Version 1

Add the following dependency to your project:

<!-- https://mvnrepository.com/artifact/io.github.nbaars/paseto4j-version1 -->
<dependency>
    <groupId>io.github.nbaars</groupId>
    <artifactId>paseto4j-version1</artifactId>
    <version>0.0.29</version>
</dependency>

Usage

For usage see the examples project which shows how to use Paseto4j in action.

Development

paseto-version2 needs Libsodium to be present, to avoid installing it on your local machine, you can use the following command to build it locally:

docker run -v "${HOME}"/.m2:/root/.m2 -v "${PWD}":/workspace paseto4j ./mvnw install