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RFCs:
https://tools.ietf.org/html/rfc6749 OAuth 2.0 framework
https://tools.ietf.org/html/rfc7591 OAuth 2.0 Dynamic Client Registration
https://tools.ietf.org/html/rfc7662 OAuth 2.0 Token Introspection
https://tools.ietf.org/html/rfc6750 Bearer Token Usage
https://tools.ietf.org/html/rfc7009 Token Revocation
https://tools.ietf.org/html/rfc7521 Assertion Framework for Client Authentication and Authorization Grants
https://tools.ietf.org/html/rfc7522 SAML 2.0 Profile
for …https://tools.ietf.org/html/rfc7523 JSON Web Token (JWT) Profile for …
https://tools.ietf.org/html/rfc6819 Threat Model and Security Considerations
https://tools.ietf.org/html/rfc7636 Proof Key for Code Exchange by OAuth Public Clients
https://tools.ietf.org/html/rfc6755 An IETF URN Sub-Namespace for OAuth
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