in this scheme, when an original signer finds that a proxy signer is malicious, he can revoke the malicious proxy signers signing capability efficiently through a trusted authority.
当原始签名者发现代理签名者不诚实时,该体制可以通过可信中心有效地撤销代理签名者的签名权。
the scheme has the properties that the original signer can not identify the proxy signer through a proxy signature and the proxy signer can blindly sign a message.
原始中签名人不能根据代理签名辨认出代理签名人的身份,实现了盲代理签名。
proxy signature schemes allow a proxy signer to generate a proxy signature on behalf of an original signer.
代表一个原始签名人生成一个代理签名,代理签名方案允许代理签名。
however, their scheme is insecure by presenting a forgery attack, any receiver can impersonate the proxy signer to sign any message without holding the responsibility.
该文给出的一种攻击方案表明他们的方案是不安全的,任何代理签名的接收者都可以假冒代理人对任意的消息生成有效的签名。
in this scheme, a proxy signer can delegate his signing capabilities to a new proxy signer who could generate the signature on behalf of the original signer.
在这个签名体制中,代理签名者可以将原始签名者的签名权利进一步委托给新的代理签名者,使得新代理签名者也能够代表原始签名者生成有效的数字签名。
the first type is called a proxy multi-signature scheme and it allows a group of original signers to authorize a proxy signer on behalf of the original signer group.
第一类称为代理多签名体制,它允许一组原始签名人授权给一个代理签名人来代表他们;
furthermore, the proposed scheme can prevent the original signer from generating a valid proxy ring signature, thus the profits of the proxy signer are guaranteed.
提出的方案能够防止原始签名人生成一个有效的代理环签名,从而保护了代理签名人的权益。
it has the two properties that the original signer can set up the time limit of the proxy power holding by the proxy signer and can trace the receiver of the signature.
其中的代理权期限控制方法有一定的通用性,能应用到其它基于离散对数问题的代理签名方案之中。
if the original signer and the proxy signer have the protocal with the law efficacity, the proxy signer may substitute the original signer to sign the file.
在原始签名人与代理签名人之间的具有法律效力的协议之下,代理签名人可代替原始签名人对文件进行签署。
even if the current secret key of proxy signer has been leaked, the attacker can't forge the proxy signature of the past period time.
即使当前时段的代理签名密钥泄露,攻击者也无法得到以前时段的代理签名。