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An instant messenger is an application that allows communication in a secure manner. A secured private instant messenger is needed to ensure secure data transmission between the sender and recipient. This paper presents secure instant messenger architecture. It is divided into four modules: a chat module, transceiver module, secure module, and routing module. In this paper, a hash algorithm was applied to the secure module. The main function of the hash algorithm is to encrypt and convert the data into a hash value. The purpose of this encryption is to ensure that unauthorized persons cannot view the original data or information through the network. The instant messenger application was developed and tested, and the results indicate that this architecture and hash algorithm can improve data security for instant messenger applications. |
