Implementing JWT Signing and Verification Overview JSON Web Tokens (JWT) defined in RFC 7519 are compact, URL-safe tokens used for authentication and authorization in web applications. This skill covers implementing secure JWT signing with HMAC-SHA256, RSA-PSS, and EdDSA algorithms, along with verification, token expiration, claims validation, and defense against common JWT attacks (algorithm confusion, none algorithm, key injection). When to Use - When deploying or configuring implementing jwt signing and verification capabilities in your environment - When establishing security controls ali…