Mobile Payment System Enhanced by Electronic Security Key

摘要

We present an approach in which the mobile payment security is enhanced by using external security key and specified policies. For the purpose of solving the problem of mobile payment security, we design an electronic security key with adaptable interface to mobile device. Electronic key adopts specific security module with high performance which can improve the security capability of mobile device greatly via adaptable interface. Furthermore, comparing to keeping private data on mobile device, the isolated key protects private data from virus attacking, enhances arithmetic expansibility and is easy to be updated. As an application, we implement a mobile payment system consists of the front end administration module on the mobile device, backend administration module on the server and electronic key as the security module which achieve the mainstream mobile payment functions. Performance test and analysis is given to discuss the feasibility of the solution. The result of the present work implied that external electronic security key is gradually becoming a new way to solve the security problem of mobile payment. It will play an important role in mobile prepayment and mobile data transfer fields.