基于身份的粮油交易系统安全认证的研究

摘要

安全问题成为制约粮油交易健康发展的中心问题.粮油交易中如果企业或个人因事务繁忙,委托代理人与另一方进行签名即代理签名以进行粮油交易,并且为了对本单位人事关系或将来可能的人事变化保密,提出一种新的基于身份和双线性映射的匿名代理签名,以此完善粮油交易系统安全认证体系的功能.%Safety problem is the central problem which constraints the healthy development of grain oil transaction systern. In grain oil transaction system, the enterprise or the user assigns the proxy signer with the other for the grain and oil trading and make the current personnel relationship or possible future personnel changes confidential, if they are busy on business, so the article present a new anonymous proxy signature based on identity and bilinear pairings, the system is used to perfect the function of security authentication part of grain and oil transaction system.