A Secure Credit Recharge Scheme for Mobile Payment System in Public Transport

This paper first studies the emerging requirements of mobile payment system by way of NFC cell phones, etc., in public transport, especially the security challenges. Then, a secure credit recharge scheme is proposed to cover these new requirements. In the proposed scheme, we make use of a shared secret between the smart card and the server to build a mutual authenticated and secret communication path. The paper also analyzes the security aspects of the proposed scheme, and the analysis and practices show the scheme could meet the security requirements of mobile payment in public transport.