The core security services provided by an application, and supported by PKI, underlie and enable all of the other security services that an application can provide. They are also among the most commonly used security services in their own right. These core services provide various security assurances to an enterprise application and they include:

For basic information on these security services, see the sections on security in OpenEdge Core Business Services. A PKI supports all of these services using cryptographic mechanisms that serve as guarantors of the assurances provided by these services (see Cryptography in a PKI.

The sections that follow describe how these services are used in a PKI.