An authorization server is the OAuth 2.0 component that authenticates the resource owner, obtains their consent, and issues access tokens (and optionally refresh tokens and ID tokens) to clients. It is the central identity authority in any OAuth or OIDC system.

Core endpoints

• /authorize: where the user-agent is sent for login and consent
• /token: exchanges authorization codes (or refresh…

JSON Web Encryption (JWE) is the encryption counterpart to JWS. Where JWS proves integrity and authenticity but leaves the payload readable, JWE encrypts the payload so only the intended recipient can decrypt it. JWE is used when token contents must remain confidential in transit or at rest.

How it works

A compact JWE token has five Base64URL-encoded sections separated by dots:…