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1. Sign in to the API Manager's management console ( https://localhost:9443/carbon ) using admin/admin credentials and select Add under Identity Providers menu in the Main menu. 

   

2. Provide the following values to configure the IDP:
   
   • Under Basic Information 
     
     • Identity Provider Name: Enter a unique name for IDP

     • Identity Provider Public Certificate:   The certificate used to sign the SAML assertion.  Export the public certificate of WSO2 IS and import it here. 

       Alternatively, you can create a self-signed certificate and then export it as a .cer file using the following commands: 

       Code Block
       keytool -genkey -alias wookie -keyalg RSA -keystore wookieKeystore.jks -keysize 4096 keytool -v -export -file keystore1.cer -keystore keystore1.jks -alias keystore1

     • Alias: Give the name of the alias if the Identity Provider identifies this token endpoint by an alias. e.g., https://localhost:9443/oauth2/token
     • Under Federated Authenticators -> SAML2 Web SSO Configuration

     • Enable SAML2 Web SSO: true
       

     • Identity Provider Entity Id: The SAML2 issuer name specified when generating the assertion token, which contains the unique identifier of the IDP. You give this name when configuring the SP.

     • Service Provider Entity Id: Issuer name given when configuring the SP
     • SSO URL: Enter the IDP's SAML2 Web SSO URL value. E.g., https://localhost:9444/samlsso/ if you have offset the default port, which is 9443.
    Next, let's  register a service provider.
3. Log in to the management console of the Identity Server and select Add under Service Providers menu in the Main menu.
   
4. Choose to edit the service provider that you just registered and select SAML2 Web SSO Configuration.
   
5. Provide the following values to configure the SP:
   
   • Issuer: Give any name
   • Assertion Consumer URL:  The URL to which the IDP sends the SAML response (e.g.,  https://localhost:9443/store/jagg/jaggery_acs.jag).
   • Enable Response Signing: true
   • Enable Assertion Signing: true
   • Enable Audience Restriction: true
   • Audience: URL of the token API (e.g.,  https://localhost:9443/oauth2/token).
   
   Let's see how to get a signed SAML2 token (encoded assertion value) when authenticating against a SAML2 IDP. With the authentication request, you pass attributes such as the SAML2 issuer name, token endpoint and the restricted audience. In this guide, we use a command-line client program developed by WSO2 to create the 64-bit, URL-encoded SAML assertion. 
6. Download the client program from here and unzip the  SAML2AssertionCreator.zip  file.

7. Execute the following command inside that SAML2AssertionCreator directory. It generates a SAML token.

   Code Block
   java -jar SAML2AssertionCreator.jar <Identity_Provider_Entity_Id> <user_name> <recipient> <requested_audience> <Identity_Provider_JKS_file> <Identity_Provider_JKS_password> <Identity_Provider_certificate_alias> <private_key_password>

   Here's an example command with the issuer name as TestSP:

   Code Block
   java -jar SAML2AssertionCreator.jar TestSP admin https://localhost:9443/oauth2/token https://localhost:9443/oauth2/token https://localhost:9443/oauth2/token /home/dinusha/nothing/WSO2/API-Manager/saml-oauth/wso2is-5.2user/wso2am-2.0.0/rhbepositoryrepository/resources/security/wso2carbon.jks wso2carbon wso2carbon wso2carbon

   You now have a SAML2 assertion.

8. Execute the following command to get the OAuth Access token. You can generate a  consumer key and consumer secret pair by clicking the the Generate Keys button on the Production Keys tab of the application in the API Store. 

   Code Block
   curl -k -d "grant_type=urn:ietf:params:oauth:grant-type:saml2-bearer&assertion=<Assertion_provided_by_client>&scope=PRODUCTION" -H "Authorization: Basic <Base64 encoded consumer key:consumer secret>" -H "Content-Type:application/x-www-form-urlencoded" https://<IP-of-the-APIM-server>:9443/oauth2/token

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