It has been observed in the last few years that android technology is emerging very rapidly. Because of the android technology the Smartphones have come into boom. There are various applications developed using the android technology like games, music, shopping, maps etc. One of the most used applications is the chatting application. Chatting application is the most convenient medium to chat or communicate with each other. There are many chat applications developed earlier, but they have some or the other drawbacks. In previous papers there was a major problem related to the security of the messages.