Java Cryptography Extension (JCE)
The Java Cryptography Extension (JCE) is a standard extension package for use with the Java 2 platform to develop crytographic code, blocks, RSA, etc. It is not exportable outside the U.S. and Canada.
The Java Platform
In this excerpt from O'Reilly & Associates' Java in a Nutshell, 4th Edition, David Flanagan shows you a number of the Java 2SE platform packages, using examples of the most useful classes in these packages.
Java Plug-in 1.3 and RSA Signed Applets
Jamie Jaworski focuses on the latest release of the Java plug-in (v.1.3) and its support for RSA signed applets as well as dynamic trust management.