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ELECTRONIC CASH-BASED OFFLINE TRANSACTION METHOD AND SYSTEM
ELECTRONIC CASH-BASED OFFLINE TRANSACTION METHOD AND SYSTEM
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机译:基于电子现金的离线交易方法和系统
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摘要
Provided is an electronic cash-based offline transaction method and system. The method includes: receiving, by a back-end server from a smart card, an anti-replay factor generated by the smart card; determining, by the back-end server in accordance with a predetermined algorithm, whether an abnormal transaction occurs on the smart card, generating, by the back-end server when no abnormal transaction occurs, a security information signature by signing security information with a private key of the back-end server, and transmitting, by the back-end server, the security information and the security information signature to the smart card (S2).
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