IdentityServer实现以下规范：
3.1 OpenID Connect
- OpenID Connect Core 1.0 (规范)
- OpenID Connect Discovery 1.0 (规范)
- OpenID Connect Session Management 1.0 - draft 28 (规范)
- OpenID Connect Front-Channel Logout 1.0 - draft 02 (规范)
- OpenID Connect Back-Channel Logout 1.0 - draft 04 (规范)
3.2 OAuth 2.0
- OAuth 2.0 (RFC 6749)
- OAuth 2.0 Bearer Token Usage (RFC 6750)
- OAuth 2.0 Multiple Response Types (规范)
- OAuth 2.0 Form Post Response Mode (规范)
- OAuth 2.0 Token Revocation (RFC 7009)
- OAuth 2.0 Token Introspection (RFC 7662)
- Proof Key for Code Exchange (RFC 7636)
- JSON Web Tokens for Client Authentication (RFC 7523)
- OAuth 2.0 Device Flow for Browserless and Input Constrained Devices (草稿)