Configure SAML Single Sign-On (Deprecated)

To set up single sign-on (SSO) authentication for API Portal users, an enterprise can integrate its existing identity provider with the API Portal and API Gateway. This document covers how to configure the API Portal and API Gateway to enable SAML 2.0 SSO. 
When do you use this procedure?
Use this procedure only if you have an existing IdP for your Gateway. Otherwise, it is recommended to use the procedures described in Configure SAML Single Sign-On.
To set up single sign-on (SSO) authentication for API Portal users, an enterprise can integrate its existing identity provider with the API Portal and API Gateway. This document covers how to configure the API Portal and API Gateway to enable SAML 2.0 SSO. 
SAML 2.0 is an XML-based protocol that uses security tokens to pass authentication and authorization data about a user between an identity provider and a service provider. In the SAML context, the API Portal is the service provider.
Enabling SAML SSO for the API Portal involves performing the following groups of tasks in sequence:
Before you set up SAML SSO, ensure that the following systems are correctly installed and configured:
  • The CA API Developer Portal v3.0
  • The CA Policy Manager v8.x
  • The CA API Gateway v8.x
  • An identity provider that supports SAML 2.0, and POST–POST binding or REDIRECT–POST binding initiated by the API Portal.