This diagram shows the OPSS architecture. The OPSS architecture has three layers. On the top is the Oracle Platform Security Services layer that contains seven boxes labeled Authn, Authz, Creds & Keys, Audit, ID profile, Trust, and XML Security Crypto, SSL. In the middle is the Security Service Providers that contains five boxes labeled OAM; OES; OID, OVD, ODSEE; STS; and OWSM. The last layer is the OPSS security store that has an arrow connecting to three types of repositories labeled File, LDAP, and Database.