Research On Application And Security Of NFC Payment For Android System

Along with fast development of mobile internet, the usage rate of intelligentmobile phone is greatly increased, which makes the mobile payment businessgradually developed and makes the digital-wallet feature gradually concerned by thebroad users. In this field, NFC provides a simple, fast and secure transaction mode,which has very big development perspective.In this thesis, based on the android operating system, a plan was put forward forNFC mobile payment which takes the third-party applications as its main body andthe client and the merchant was designed on the platform of “kpal”. The APP of theclient achieved the consumption model of "Touch-Go" through binding the mobilephone and card, using the service of information flow provided by “kpal” back-stageand the way of card and voucher, such as the membership card, coupon. The APP ofthe merchant worked in conjunction with the client to achieve the function of brushcard, and provided a plan to protect the payments environment safety by the way ofshielding the malicious software using the NFC function, which is aimed at thesecurity mechanism and loophole owned by Android system. This thesis alsomaked use of symmetric encryption for data transmission between the client andserver to protect the security of data.Finally, the feasibility of the application was tested, the results of safety designwas verified, and achieved the convenient and safe function of NFC mobile paymentunder Android system.