alexa Development of Cryptography-Based Secure Messaging System
ISSN: 2167-0919

Journal of Telecommunications System & Management
Open Access

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Research Article

Development of Cryptography-Based Secure Messaging System

Rahman MM*, Akter T and Rahman A

Department of Computer Science and Engineering, Jatiya Kabi Kazi Nazrul Islam University, Bangladesh

*Corresponding Author:
Rahman MM
Associate Professor
Department of Computer Science and Engineering
Jatiya Kabi Kazi Nazrul Islam University, Bangladesh
Tel: 8801712594569
E-mail: [email protected]m

Received Date: October 12, 2016; Accepted Date: October 21, 2016; Published Date: November 02, 2016

Citation: Rahman MM, Akter T, Rahman A (2016) Development of Cryptography- Based Secure Messaging System. J Telecommun Syst Manage 5: 142. doi: 10.4172/2167-0919.1000142

Copyright: © 2016 Rahman MM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Today data communication is a modern technology that contains a powerful computer processor to exchange information. But brute force attacks are made to break the encryption techniques and these attacks are the main drawbacks of older algorithms. This paper is concerned with the development of a secure messaging system based on cryptographic algorithms that is which is more faster, better immune to attacks, more complex, easy to encrypt and many more advanced security feature included. This project work is designed and developed for a secure messaging both in web and android platforms. The application is well featured and provides encryption/decryption that can protect message from unauthorized access and disclosure over networks. To send message, a recipient or registered user types and encrypts a text message using keyword mono-alphabetic substitution algorithm with a key, selected from key list. The encrypted message is stored in the database and receiver’s inbox with serial number of key (not the value). The receiver, after log into his/her own account, selects the key value and then decrypts the encrypted message with the key to see the original message. With compared to other messaging systems, the proposed secure messaging system can be used for chat, messaging, video conferencing and real time file sharing in both web and android platforms.

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