Programming Wireless Devices with the Java™ 2 Platform, Micro Edition, Second Edition

18.1. Assumptions

The following assumptions contributed to the design of the security mechanism and ensured ample flexibility in its implementation:

• MIDlets do not need to be aware of the security policy except for security exceptions that may occur when using APIs.

• A MIDlet suite is subject to a single protection domain and its permissible actions. (See Section 18.3.3, “Protection Domain,” for an explanation of protection domains.)

• The internal representation of protection domains and permissions is implementation specific. (See Section 18.3.1, “Permissions,” for an explanation of permissions.)

• The user interface for presenting configuration settings and the results of authentication attempts to the user is implementation-dependent and outside ...