关键词 ：信息安全；口令认证；组密钥交换；双线性配对；密钥树 [gap=849]Key words: information security; password-authentication; group key exchange; bilinear pairing; key tree
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Authenticated Group Key Exchange 带身份认证的组群密钥交换
The goal of password-based group key exchange is to establish a high entropy session key used for secure communication through a low entropy password, reach the multi-security requirement between members.
基于口令的群密钥协商协议的目的是利用低熵的口令协商出高熵的会话密钥，并应用此会话密钥进行安全的通信，达到成员之间多方安全的要求。
参考来源 - 标准模型下基于口令的群密钥协商协议·2,447,543篇论文数据，部分数据来源于NoteExpress
Compared with protocols under the CRS model, the group key exchange protocol can greatly reduce the risk of putting all trusts in one place.
和采用CRS模型的协议相比，降低了把整个信任集中于一处带来的风险。
The platform is suitable to the condition that a small group of people would like to exchange the information instantly among their laptop computers without the key distribution center.
该平台适用于在没有密钥分配中心的情况下，几个地位平等的用户临时的利用便携式电脑安全的进行信息交流。
Good team group, good educational concept, and mutual exchange are the key factors.
优秀的团队，良好的教育理念，以及互动的上课模式，这些都是关键。
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