| Class Summary | 
| CheckPolicy | This servlet can be used on start-up to make ssure there are no rogue entries
 in the components and roles files. | 
| EncryptionHelper | This class has some utility functions for encrypting objects using the
 JCE Security Package. | 
| JDBCSecurityPlugin | JDBCSecurityPlugin.java | 
| PolicyCache | This class is the interface between the policy domain classes
 and the Policy manager, it provide the data to the PolicyManager
 in a more native format then in the domain objects
 It also caches the policy information for multiple
 access. | 
| SecurityManager | Security Manager is the main interface to the BusinessFunction and Component Security Architecture. | 
| SecurityTag | This class is used by the Tag Libraries that implement security
 It is design to give access to the security manager such that a
 context can be pushed onto the thread context stack and then popped off. | 
| VariationContext | This class has a ThreadLocal variable to store the variation for a given Thread. |