jFileCrypt encrypts and decrypts files
Replace text with POS equivalent text, in a reversible fashion.
Fileprivacy easily encrypts your files
JCryptor is an encrypting tool based on the Caesar-cipher.
Java code that enables you to sign documents using a smart card.
Java Stacked Crypto
jEncrypt is a command line file encryption archiver
Java Library to generate license for your application.
Simple and easy to use Java application to encrypt your files
rsa-elgamal comparison