PROTECTION METHOD AND DEVICE OF MOBILE PAYMENT INFORMATION BASED ON COMMUNICATION TERMINAL, AND MOBILE PAYMENT SYSTEM

摘要

The present disclosure provides a protection method and device of mobile payment information, the method includes: dynamically updating, by a card manufacturer's server, replacement code information corresponding to each payment account information stored in the card manufacturer's server; each time after the card manufacturer's server updates the replacement code information corresponding to each payment account information stored in the card manufacturer's server, updating a mapping relationship between the payment account information stored in the card manufacturer's server and the replacement code information according to the updated replacement code information; sending the updated replacement code information and payment account information corresponding to the updated replacement code information to a mobile terminal, to enable the mobile terminal to perform a mobile payment using the updated replacement code information. The present disclosure can avoid leaking the mobile payment information and protect user privacy data.