What is OIDC and How Does It Differ from OAuth 2.0?
OpenID Authentication and OAuth 2.0
The extensions in OpenID are special scores where the extra token utilized encapsulates the identity in JSON format. OpenID has OAuth 2.0 as the base protocol. But it focuses solely on authentication rather than authorization.
OpenID and Its Principles
The OIDC identity provider performs the following steps – user authentication, user consent, and token supply. The client requesting a user’s identity is called the Relying Party (RP). OpenID Connect evolved on the base structure of OAuth 2.0; there are the following types of tokens to provide identity authentication with the authorizing framework:
With respect to OIDC, the ID token is in JWT format providing information regarding the authentication operation. The identity data consisting of the user profile is provided with the ID token.
The access token is defined by OAuth 2.0; the token only exists for a limited time and provides access to the user resources when requested by the authorization server.
These are taken from OAuth 2.0, where the lifetime access is longer and can be utilized to obtain new access tokens.
Multiple flow choices are categorized over the application types and security requirements. The following mentioned are common ones:
The implicit flow is used by Single Page Applications (SPAs); the tokens in this flow are directly returned to the RP through an indirect URL.
The authorization code flow is comparatively more secure than the implicit flow, and the tokens are not directly returned. The SPA and native applications' security is enhanced with generated private keys.
Combination of both implicit and authorization code flow makes the Hybrid Flow. The ID Token here is directly returned to the RP, whereas the access token is not. The authorization code makes an exchange with an access token for hybrid flow.
OmniDefend supports OpenID Connect and is configures single sign-on (SSO) with websites that support OpenID connect providers. Eliminate the hassle of the user ID and password credentials, and switch with biometrics, OTP, PIN, smart cards, or phone push notifications-based authentication methods. Make authentication simple, easy, convenient, and secure with OmniDefend SSO using OpenID Connect.