Secure Messaging System Based on McEliece Crypto Sytem

Abstract

The security of important applications of the internet such as e-commerce, banking, and eHealth is furnished by public-key cryptographic systems .Underlying hard problems of presently used public cryptosystems are factoring and computing discrete logarithms which are unable to solve by conventional computers. Main disadvantage of these systems is that they are not resistant against quantum computers. Code based encryption systems are one of the cryptosystems that are capable to resist quantum computing and hence provides an area in Post-Quantum Cryptography. McEliece cryptosystem which is also a code-based cryptosystem is one of the few that is expected to withstand future assaults from powerful computers. In recent years, internet-based messaging applications have been widely used as they make it easy to communicate and connect with people around the world. There are many chat apps that offer secure messaging services by using conventional encryption schemes however, they are not quantum resistive. So, need of the time is to implement the messaging System based on McEliece encryption scheme that is prone to Quantum attacks. We have proposed/developed Quantum-resistant communications system/ app based on McEliece encryption scheme. It is a desktop app that can be used on computers for secure and Quantum resistive environment. This application may be integrated with financial systems to facilitate secure transactions. This can enhance the security and integrity of digital payments, banking, and other financial services. It can also be used in Government and military organizations for secure communication of sensitive information.