The Ubisecure SSO implements the OAuth 2.0 authorization server role. 
The main use cases are

• authorization code grant and web single sign-on

• authorization code grant and native applications

• password grant and native applications

• password grant and server-to-server integrations

• The OAuth 2.0 Authorization Framework https://tools.ietf.org/html/rfc6749 (https://tools.ietf.org/html/rfc6750)

• OAuth 2.0 Token Introspection https://tools.ietf.org/html/rfc7662

• OpenID Connect Core http://openid.net/specs/openid-connect-core-1_0.html

• OpenID Connect Discovery http://openid.net/specs/openid-connect-discovery-1_0.html

• OpenID Connect Dynamic Client Registration http://openid.net/specs/openid-connect-registration-1_0.html (https://tools.ietf.org/html/rfc7591)

• JSON Web Signature (JWS) https://tools.ietf.org/html/rfc7515

• JSON Web Key (JWK) https://tools.ietf.org/html/rfc7517

• JSON Web Algorithms (JWA) https://tools.ietf.org/html/rfc7518