![]() You own website that stores user email-password pair in an SQL database. LDAP – great for enterprise customers that handle employee database using LDAP protocol.Īctive Directory (AD) – great for companies that handle users using Windows AD.įacebook – used by companies with high-level social communication. At this point in time, because developers find OIDC much easier to work with and because it is more flexible, OIDC looks like it will become the winner.ISpring Learn LMS supports SSO via SAML, a process that allows users to authenticate themselves through an external Identity Provider rather than obtaining and using a separate username and password handled by iSpring Learn LMS. But if you do have the choice it is important to understand what the difference is between the two and which one is more likely to be supported longer. Your choices are based upon what the application developers choose to support. When configuring SSO to an application through an IdP like OneLogin, you will not often have a choice between SAML and OIDC. This also means it works much better with mobile applications. It is much simpler to implement than SAML and easily accessible through APIs because it works with RESTful API endpoints. So the overall flow looks the same, just the labels are different. SAML calls the application or system the user is trying to get into the Service Provider.SAML calls the user data it sends a SAML Assertion.SAML transmits user data in XML format.In comparison to SAML, OIDC login flows work in the same way. Whereas OAuth 2.0 is used to set up so that two applications such as two websites can trust each other and send data back and forth, OIDC works at the individual or user level. OIDC is built off of the OAuth 2.0 protocol. SAML is still one of the most popular SSO protocols in use today. The flow that begins with the user attempting to log directly into the application or SP first is referred to as Service Provider-Initiated (SP-Initiated) SSO. In fact, the first flow we described above is referred to as an Identity Provider-Initiated (IdP-Initiated) SSO. SAML refers to the application as the Service Provider (SP) and refers to the information it is sending from the IdP to the SP as an assertion. It transmits the data like users’ usernames, first names, last names, etc. The IdP confirms the user has access to the application that sent the request.The user logs in to the IdP or is confirmed to already be logged in to the IdP.The application redirects their login request through the user’s browser to the IdP.A user attempts to log directly into the application.The login flow could also look like this. The user is allowed into the application.The application confirms they are authorized to access resources.Their information is then passed on to the application.The user’s information is passed from the IdP to the user’s browser.They select which app they want to go to.A user logs in to the Identity Provider.The basic login flow for both is the same. SAML and OIDC are key protocols used in any SSO solution because the purpose of an SSO solution is users will need to only authenticate once with the IdP and then they are able to access any of the applications that have been configured to trust the IdP. One of the key steps in enabling this form of Single Sign-On (SSO) is that a trust has to be set up between the IdP and the application. They provide a means by which users can be authenticated and user information can be securely transmitted between the system that is doing the authentication, otherwise known as the Identity Provider (IdP) and the service or application the user is trying to access. How are SAML and OIDC similar?īoth SAML and OIDC are considered identity protocols. So, it might be helpful to know what the difference is so you can choose which will work best for your organization. Most applications will only support one of these options, but occasionally you might have to choose between SAML and OIDC. Two of the main authentication protocols are: As an Identity and Access Management (IAM) solution provider, we give our users several options when they need to configure authentication connections to applications.
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