Abstract
Owing to the limitations of mobile terminals and network bandwidth, the current Secure Electronic Transaction (SET) protocol can not be introduced into mobile payment directly. Present mobile payment system often uses symmetric encryption algorithm that may bring in some security risks. A new secure mobile payment protocol based on ECC was presented ,which ensures information flows from merchant to customer and enhances the security of customer’s information. Theoretical analysis shows that, ECC can not only meet the requirements of short key generation time, but also ensure that at the same time of cracking code the ratio of RSA and ECC key length is greater than 5:1. The number of signing the certificate verification, asymmetric and symmetric encryption of the new protocol is also lesser than SET protocol, so the current mobile terminal and network capabilities can support this protocol to ensure safe and effective mobile payment process.
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