A secure, modern alternative to JWT for creating and verifying platform-agnostic security tokens.
PASETO is a specification and PHP reference implementation for creating and verifying secure, platform-agnostic tokens. It serves as a modern, more secure alternative to JWT (JSON Web Tokens) by addressing cryptographic design flaws and simplifying the token protocol. It enables safe authentication and data exchange in applications without the vulnerabilities associated with JOSE standards.
Developers and security engineers building authentication systems, APIs, or secure data exchange mechanisms who need a robust alternative to JWT. It's particularly valuable for those concerned with cryptographic best practices and implementation security.
Developers choose PASETO over JWT because it eliminates the design deficits and security pitfalls of the JOSE standards, offering a simpler, more secure token protocol. Its clear specification and focus on cryptographic safety reduce the risk of vulnerabilities, making it a more reliable choice for authentication and data integrity.
Platform-Agnostic Security Tokens
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Designed to avoid common vulnerabilities in JWT, such as algorithm confusion, by using secure cryptographic primitives and avoiding risky features from the JOSE standards.
Based on a platform-agnostic specification, allowing tokens to be created and verified across different programming languages and environments, as highlighted in the README.
Simpler protocol with clear specifications minimizes the chance of errors, addressing the design deficits that plague JWT, making it more reliable for authentication.
Supports multiple versions (v1 to v4) with different cryptographic backends, catering to various security needs and backward compatibility, as noted in the requirements section.
Has fewer libraries, tools, and community resources than JWT, making integration, debugging, and finding support more challenging in practice.
Requires specific PHP extensions like OpenSSL, Sodium, or GMP, which can complicate setup in restricted or legacy environments, as mentioned in the version requirements.
Advanced features like key wrapping are handled through PASERK, a separate extension, adding to the learning curve and dependency management, despite being bundled.
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.