Java Encryption and Decryption in ExpenseTracker

Advanced Encryption Standard (AES)
http://en.wikipedia.org/wiki/Advanced_Encryption_Standard

AES Implementations
http://en.wikipedia.org/wiki/AES_implementations

AES Implementation - Bouncy Castle
http://en.wikipedia.org/wiki/Bouncy_castle_(cryptography)

AES Implementation - Bouncy Castle Homepage
http://www.bouncycastle.org/

AES - Using From Java
http://java.sun.com/developer/technicalArticles/Security/AES/AES_v1.html

Basic Encryption Of Transaction Information:
http://www.devx.com/java/10MinuteSolution/21385/1954

Blowfish Example In Java
http://jcs.mobile-utopia.com/jcs/2026_BlowfishEncryptor.java

Blowfish Example 02 In Java
http://www.java.happycodings.com/Security/code2.html

Blowfish Example 03 In Java
http://www.java2s.com/Tutorial/Java/0490__Security/ABlowfishexample.htm

Example Of Using The Java Encryption Framework
http://javaboutique.internet.com/resources/books/JavaSec/javasec1_7.html

Excellent Example Of Using Java To Encrypt/Decrypt
http://www.informit.com/articles/article.aspx?p=170967&seqNum=4

Encrypting Very Short Strings
http://stackoverflow.com/questions/102788/what-is-the-best-way-to-encrypt-a-very-short-string-in-php

Good Example Of Java String Encryption:
http://www.idevelopment.info/data/Programming/java/security/java_cryptography_extension/StringEncrypter.java

How To Encrypt and Decrypt Strings (Android Example)
http://www.tutorials-android.com/learn/How_to_encrypt_and_decrypt_strings.rhtml

How To Encrypt User Passwords:
http://www.jasypt.org/howtoencryptuserpasswords.html

Java Cryptography Architecture
http://docs.oracle.com/javase/6/docs/technotes/guides/security/crypto/CryptoSpec.html

Java Cryptography Extension (JCE) Reference Guide
http://download.oracle.com/javase/1.4.2/docs/guide/security/jce/JCERefGuide.html

Java Tips Encryption and Decryption Using Symmetric Keys
http://www.java-tips.org/java-se-tips/javax.crypto/encryption-and-decryption-using-symmetric-2.html