问题描述
我正在使用基于NFC的支付设备.我正在使用MIFARE DESFire EV1芯片.
I am working on an NFC-based payment device. I am using MIFARE DESFire EV1 chip.
我的问题是:如何使用此芯片硬件启用完全符合EMV的支付交易?
My question is: How to enable a full EMV compliant payment transaction with this chip hardware?
我发现了这个进行付款交易的Visa Ring .它使用McLear&的 NFCRing®设计. Co 与NTAG IC.
I found this Visa Ring which does payment transactions. It uses NFC Ring® design of McLear & Co with NTAG IC.
推荐答案
如何使用MIFARE DESFire EV1启用EMV付款交易?
简单的答案:不能.
How to enable a EMV payment transaction with MIFARE DESFire EV1?
Simple answer: You can't.
MIFARE DESFire是一种专有非接触式智能卡系统，该系统实现了用于存储数据的文件系统和访问控制机制(包括身份验证和对称通道加密).符合ISO要求的文件IO操作或在MIFARE DESFire中实现的身份验证机制都不足以在MIFARE DESFire之上为非接触式支付系统实现任何EMV规范.
MIFARE DESFire is a proprieatry contactless smartcard system that implements a filesystem for data storage and an access control mechanism (including authentication and symmetric channel encryption). Neither the ISO compliant file IO operations nor the authentication mechanisms implemented in MIFARE DESFire are sufficient to implement any of the EMV specifications for contactless payment systems on top of MIFARE DESFire.
Visa支付环是NFC环的特殊版本.它包含一个安全的非接触式智能卡芯片(由金雅拓(制造)来实施Visa(EMV)付款卡应用程序.因此，该环包含用于EMV支付的专用芯片.
The Visa payment ring is a special version of the NFC Ring. Instead of one of the two NTAG NFC tags (or instead of both?) it contains a secure contactless smartcard chip (manufactured by Gemalto) that implements the Visa (EMV) payment card application. Hence, the ring contains a dedicated chip for EMV payment.
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