Confidential Message Transaction in a Card less Electronic Payment System

Abstract

This thesis is on “Confidential Message Transaction in a Cardless Electronic Payment System”.Nowadays people want the modern system as well as much more user friendly than before. In a card, less electronic payment system messages are used instead of credit or debit cards. This messagesarepassedbetweendifferententitiesinordertodoelectronictransactionsoveranetwork. The security of the cardless electronic payment system is a critical issue. In this process, it defines this security and the confidentiality of messages in the cardless payment system.The messages passed between different entities are secured by using hybrid encryption and decryption technique. The Analysis of different pair of encryption/decryption algorithms which are RSA-DES, RSA-AES andRSA-TRPLEDESinthehybridencryptiontechniqueisdoneandconclusionsaredrawnonthe basis of execution time and memory usage. Experimental results show that RSA-DES executes faster and takes less memory so it is most suitable for hybrid encryption/decryption of messages.