With this application you can encrypt texts or files and chat with friends.
You can download a early Android version of the chat client from here:
https://drive.google.com/uc?export=download&id=0BwePHaWdtoMweWRyMExqbHZyUEk
Hint: I started this project because i have fun to write java apps. This app is not professional. I don´t recommend using this to encrypt very important data (for example of your company ...).
A secure PKI-based client/server encrypted chat engine under development in Java. Encryption will be supported via JCE and PKCS#11. A simple Java interface can be implemented by other projects wishing to develop a Java GUI or CLI for the client.