Monday, December 1, 2008

OCA CA Root certificate warning in the browser


We went LIVE with Single Sign-On integration for Oracle Applications during the Thanks Giving weekend. For the real time system, we configured SSL for network encryption. For the E-Business Suite SSL configuration, we purchased the security certificate from Verisign (A third-party certificate authority). But this time we wanted to try Oracle Certificate Authority (OCA) for the Single Sign-On web server.

Some of the advantages of OCA are
  1. Stronger encryption algorithms.
  2. Cost effective. Since OCA is Oracle's own certificate issuing system, it eliminates the need for IT administrators to purchase certificates from third-party authorities such as Verisign etc.
  3. Automatic storage of the certificate in OID because OCA is tightly integrated with the latter. Policies can be configured in OID for renewal alerts and expiration dates of the security certificates.

However, popular browsers such as Internet Explorer, Mozilla FireFox etc. trust certificates only from a few well established authorities and Oracle is not one of them yet. Because of this limitation, websites configured with SSL certificates issued by OCA show a warning.


One procedure to avoid such a warning is to request the system administrators to push the CA Root Certificate to all browsers in the enterprise.


To save a few $$, Oracle Certificate Authority is a good alternative to Verisign for securing Oracle resources provided your system administrator agrees to push the CA Root Certificate to the trusted list of certificates of the standard browsers. We saved this hassle for our administrator and purchased a certificate from Verisign (its already trusted by Internet Explorer). However OCA is a good bet for test and UAT systems. By the way, OCA is part of the Identity Management Software. Following is the warning message shown by Internet Explorer when the certificate issued by OCA is not yet trusted by the browser.

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