Someone who knows you are using a Caesar Cipher encryption could easily break it by hand, since there are only 26 possibilities. In later posts, we will write more secure encryption algorithms.

The Java Cryptography Extension (JCE) is now a core part of Java SDK 1.4. Basically, it's a set of packages that provide a framework and implementations for encryption, key generation and ...

Why Java obfuscation schemes based on byte-code encryption won't work May 9, 2003 ...

One proposal would restrict Java APIs to maintain the strong encapsulation that assures the integrity of code and data, while a second would introduce a Key Encapsulation Mechanism API.