摘要： 移动代理可以在异构网络的主机上自主执行，被移动用户用以进行交易。在不可信环境中，移动代理不能识别交易的有效性，导致交易不公平。针对上述情况，给出基于代理签名的移动代理电子商务模型，提出一种应用于该模型的代理数字签名方案，分析证明该方案是安全的，具有短签名的优点，适用于窄带宽应用。

关键词: 移动代理, 电子商务, 代理签名, 短签名

Abstract: Mobile Agents can be executed in heterogeneous network and used by mobile users for transactions, but they can not authenticate transactions in hostile environment, so the transactions may be unfair. This paper proposes a mobile Agent E-commerce model based on proxy signature, and gives a proxy signature scheme applied in the model, which is proved secure and suitable for low bandwidth situation because of its short signature property.

Key words: mobile Agent, E-commerce, proxy signature, short signature

中图分类号: 

• TP309.2