代理签名是一种特殊的数字签名,是指原始签名人委托代理签名人替自己行使签名权.传统的代理签名体制都是基于离散对数问题的,一种新的基于椭圆曲线的代理签名体制被提出,该体制比传统代理签名体制的密钥和签名长度更短,并具有较好的安全性.%Proxy signature is a kind of special digital signature. It allows a signer, called an original signer,to delegate his/her signing capability to another person,called a proxy signer,to create a signa ture on behalf of him. All traditional proxy signature s
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