Specifications

This page details which specifications are implemented in Canaille, and compares Canaille with other well-known identity providers.

State of the specs in Canaille

OAuth2

• ✅ RFC6749: OAuth 2.0 Framework

• ✅ RFC6750: OAuth 2.0 Bearer Tokens

• ✅ RFC7009: OAuth 2.0 Token Revocation

• ❌ RFC7523: JWT Profile for OAuth 2.0 Client Authentication and Authorization Grants

• ✅ RFC7591: OAuth 2.0 Dynamic Client Registration Protocol

• ✅ RFC7592: OAuth 2.0 Dynamic Client Registration Management Protocol

• ✅ RFC7636: Proof Key for Code Exchange by OAuth Public Clients

• ✅ RFC7662: OAuth 2.0 Token Introspection

• ✅ RFC8414: OAuth 2.0 Authorization Server Metadata

• ❌ RFC8428: OAuth 2.0 Device Authorization Grant

• ❌ RFC8693: OAuth 2.0 Token Exchange

• ❌ RFC8705: OAuth 2.0 Mutual-TLS Client Authentication and Certificate-Bound Access Tokens

• ❌ RFC8707: Resource Indicators for OAuth 2.0

• ❌ RFC9068: JSON Web Token (JWT) Profile for OAuth 2.0 Access Tokens

• ❌ RFC9101: OAuth 2.0 JWT-Secured Authorization Request (JAR)

• ❌ RFC9126: OAuth 2.0 Pushed Authorization Requests

• ❌ RFC9207: OAuth 2.0 Authorization Server Issuer Identification

• ❌ RFC9394: OAuth 2.0 Rich Authorization Requests

• ❌ OAuth2 Multiple Response Types

• ❌ OAuth2 Form Post Response Mode

OpenID Connect

• ✅ OpenID Connect Core

• ✅ OpenID Connect Discovery

• ✅ OpenID Connect Dynamic Client Registration

• ✅ OpenID Connect RP Initiated Logout

• ❌ OpenID Connect Session Management

• ❌ OpenID Connect Front Channel Logout

• ❌ OpenID Connect Back Channel Logout

• ❌ OpenID Connect Back Channel Authentication Flow

• ❌ OpenID Connect Core Error Code unmet_authentication_requirements

• ✅ Initiating User Registration via OpenID Connect 1.0

SCIM

• ❌ RFC7642: System for Cross-domain Identity Management: Definitions, Overview, Concepts, and Requirements

• ❌ RFC7643: System for Cross-domain Identity Management: Core Schema

• ❌ RFC7644: System for Cross-domain Identity Management: Protocol

Comparison with other providers

Here is a feature comparison with other OpenID Connect server software.

Canaille voluntarily only implements the OpenID Connect protocol to keep its codebase simple.

Software	Project			Protocols implementations				Backends
	FLOSS	Language	LOC	OIDC	SAML	CAS	SCIM	LDAP	SQL
Canaille	✅	Python	10k	✅	❌	❌	❌	✅	✅
Auth0	❌	❔	❔	✅	✅	❌	✅	✅	❔
Authelia	✅	Go	50k	✅	❌	❌	❌	✅	✅
Authentic2	✅	Python	65k	✅	✅	✅	❌	✅	✅
Authentik	✅	Python	55k	✅	✅	❌	✅	✅	✅
CAS	✅	Java	360k	✅	✅	✅	✅	✅	❌
Connect2id	❌	❔	❔	✅	✅	❌	❌	✅	✅
Gluu	✅	Java	❔	✅	✅	✅	✅	✅	❔
Hydra	✅	Go	50k	✅	✅	❌	❌	✅	✅
Keycloak	✅	Java	600k	✅	✅	✅	✅	✅	✅
LemonLDAP	✅	Perl	130k	✅	✅	✅	❌	✅	✅
Okta	❌	❔	❔	✅	✅	❌	✅	✅	✅