CryptoCloak protocol and the prototype application

Number of instant messaging (chat) applications grows rapidly, not only in everyday communication of ordinary people, but in business correspondence. Consequently, security and privacy of these kinds of applications are very important. In this paper, CryptoCloak protocol for secure and private chat communication is introduced, together with the prototype IM application implemented in Java programming language that illustrates how the CryptoCloak protocol can be used in practice.