摘要： 当前的两方多密钥交换协议都不能抵抗临时密钥泄露攻击。针对该问题，基于双线性对提出一种新的两方认证密钥交换协议。协议中参与会话的2个用户通过一次会话可以生成4个不同的会话密钥。分析结果表明，该协议可以抵抗临时密钥泄露攻击，与已有同类协议相比，具有更强的安全性，能实现双向认证功能。

关键词: 密钥交换, 双向认证, 临时密钥泄露攻击, 长期密钥泄露伪装攻击

Abstract: All existing two party multiple key exchange protocols cannot resist ephemeral key compromise attack. To solve this problem, a new two party authenticated key exchange protocol based bilinear map is proposed for enhancing the security and efficiency of two party key exchange protocols. Four different session keys can be computed through one session of the proposed protocol. Compared with existing protocols, the new protocol with stronger security can resist ephemeral key compromise attack and provide mutual authentication.

Key words: key exchange, mutual authentication, ephemeral key leakage attack, long-term key leakage impersonation attack

中图分类号: 

• TP309.7