A pure Go implementation of PASETO tokens, a secure alternative to JWT for stateless authentication.
o1egl/paseto is a pure Go implementation of the PASETO token specification, providing a secure method for creating and validating stateless authentication tokens. It addresses security vulnerabilities common in JWT by using versioned protocols and authenticated operations only. The library supports both symmetric encryption and asymmetric digital signatures for token generation and verification.
Go developers building secure APIs, microservices, or applications that require stateless authentication tokens, especially those concerned with JWT's security shortcomings.
Developers choose this library because it enforces secure cryptographic practices by design, eliminating the risk of algorithm misuse inherent in JWT. It offers a simple, robust alternative with performance benchmarks and full support for PASETO's versioned protocols.
Platform-Agnostic Security Tokens implementation in GO (Golang)
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Only allows authenticated encryption and digital signatures, eliminating insecure modes common in JWT, as emphasized in the README's comparison to avoid cryptographic pitfalls.
Uses versioned protocols instead of error-prone algorithm agility, ensuring tokens adhere to secure standards, detailed in the key differences section.
Works with predefined JSONToken structs or any custom data types with automatic JSON encoding, demonstrated in the usage examples for both local and public modes.
Includes comprehensive benchmarks for encryption, decryption, signing, and verification, showing efficient operations in Go, as listed in the README's benchmark section.
PASETO tokens cannot prevent replay attacks on their own, requiring additional application-level mechanisms, as cautioned in the README's security notes.
Compared to JWT, PASETO has fewer third-party libraries and tools across languages, which can hinder integration in mixed-technology environments.
Version 1 is deprecated but still included, potentially introducing security risks if used incorrectly, as noted in the supported versions section.
paseto is an open-source alternative to the following products:
JWT (JSON Web Token) is an open standard for securely transmitting information between parties as a JSON object, commonly used for authentication and authorization in web applications.
JOSE (JSON Object Signing and Encryption) is a set of standards for securely transferring claims between parties using JSON-based data structures, including JWT, JWS, JWE, and JWK.