@anny0505 Please follow the below steps to implement SAML authentication:
1.Update the SAML keys under /etc/keys in the CRXDE console.
2.Add the IdP Certificate to the AEM Trust Store.
(a) Go to http:/serveraddress:serverport/libs/granite/security/content/truststore.html
(b)Press the Create TrustStore link
(c)Enter the password for the TrustStore and press Save.
(d)Click on Manage TrustStore.
(e)Upload the IdP certificate.
(f)Take note of the certificate Alias
3.Please update the OSGi configuration here: Adobe Granite SAML 2.0 Authentication Handler
Identity Provider POST URL
Service Provider Entity ID
Update IDP certificate created in step:2
4. Create a logger for SAML log .
please refer this article :
https://aem4beginner.blogspot.com/saml-single-sign-on-sso-for-aem_23
https://labs.tadigital.com/index.php/2017/10/10/saml-single-sign-on-sso-for-aem-authorpublish-part-2/
Regards,
Raja