一个基于移动Agent防止双重消费的离线电子支付模型及协议

A Model and Protocols of Off-line Electronic Payment Preventing Double-spending Based on Mobile Agents

Because it is quite unsatisfactory that in anonymous off-line payment schemes the multiple spending of coins can only be detected but not prevented,a model and protocols of off-line electronic payment system preventing double-spending and based on Mobile Agents are presented in this paper,which improve the off-line payment scheme based on hardware observer^[1].Because the hardware device called Observer in[2] is replaced by the software object of Mobile Agents which is called Mobile Observer,thus customers don''''''''t need to worry about the bottle-neck and vulnerability owing to all the interactions to a single device.This paper discusses the life recycle of the Mobile Observer and the security problems of the Mobile Agents system.In addition,this model presents a recovery mechanism for the failure of the customer end system.Hence,the sceurity,robustness,practicality of the model are higher than any one of the previous systems.

Because it is quite unsatisfactory that in anonymous off-line payment schemes the multiple spending of coins can only be detected but not prevented , a model and protocols of off-line electronic payment system preventing double-spending and based on Mobile Agents are presented in this paper, which improve the off-line payment scheme based on hardware observer. Because the hardware device called Observer in [2] is replaced by the software object of Mobile Agents which is called Mobile Observer, thus customers don't need to worry about the bottle-neck and vulnerability owing to all the interactions to a single device. This paper discusses the life recycle of the Mobile Observer and the security problems of the Mobile Agents system. In addition, this model presents a recovery mechanism for the failure of the customer end system. Hence, the security, robustness, practicality of the model are higher than any one of the previous systems.