Opaque Token-Based Authentication Security Pattern A subject is authenticated based on a unique, opaque token provided with action requests. The system maintains a mapping of valid tokens to principals. Token secrecy is crucial as it's the sole proof of identity. Core Components | Role | Type | Responsibility | |------|------|----------------| | Subject | Entity | Provides token with action requests | | Enforcer | Enforcement Point | Ensures token verification before processing | | Verifier | Decision Point | Validates token and retrieves principal | | Principal Provider | Entity | Maintains…