查询词典 revocative

Forward security is achieved by an evolutional parameter,which is updated with the evolution of time segment,and the group public key and members' certificates are updated along with the parameter.If a menber's private key is betrayed,the attackers can't forge the member's previous signatures.Revocation is achieved by Certificate State List,which needs the group center to update the CSL in real time,and the previous signatures of the revocative members are still valid.

前向安全性通过一个进化参数实现，进化参数随着时间段的变化而进化更新，从而使群公钥和成员证书进化更新，即使成员密钥泄露，攻击者也无法伪造该成员以前的签名；成员撤消通过证书状态列表实现，只需群中心实时更新成员证书状态列表，被撤消成员其以前的签名仍然有效。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。