摘要
结合低成本的OTP存储器,提出了一次性电子钱包的概念,并提出一次性电子钱包中面额的表示方法,电子钱包中扣钱包的实现流程和读钱包的实现流程。在14443 TypeA协议下实现了该一次性电子钱包RFID卡,指令和加密方法与市面通用S50相兼容。
Based on the low- cost OTP memory, present the conception of one time E- purse, and the method of denoting the par value, the method of how to deduce the money, the method of read balance. Under the protocol of ISO/ IEC 14443 TypeA, realizing this one time E- purse RFID card, and it's command set and encrypting are compatible with S50.
出处
《计算机与数字工程》
2009年第2期168-170,共3页
Computer & Digital Engineering
关键词
一次性电子钱包
初始化钱包
扣钱包
读钱包
one time E-purse, initialize purse, deducing purse, read balance