Efficient identity-based key agreement protocols with required security

doi:10.3778/j.issn.1002-8331.2008.23.037

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (23): 120-122.DOI: 10.3778/j.issn.1002-8331.2008.23.037

• 网络、通信、安全 • Previous Articles Next Articles

Efficient identity-based key agreement protocols with required security

JI Wei,XIN Xiao-long

Department of Mathematics，Northwest University，Xi’an 710127，China

Received:2007-10-23 Revised:2008-01-02 Online:2008-08-11 Published:2008-08-11
Contact: JI Wei

基于身份的安全密钥交换方案

戢伟,辛小龙

西北大学数学系，西安 710127

通讯作者: 戢伟

Abstract

Abstract: Because none of the exit one-round identity-based key agreement protocols satisfies key control attribute，a new one-round identity-based key agreement protocol is proposed.The new protocol originates from two basic protocols.To satisfy key control attribute，the key components are transmitted by KGC.The new protocol，which only needs one pairing，is more efficient than other identity-based key agreement protocols.

Key words: identity-based, key agreement protocol, bilinear pairing, elliptic curves

摘要： 针对此前提出的一轮密钥交换方案都不满足密钥控制安全性的问题，提出了一个新的基于身份的密钥交换方案。新方案将两个基础密钥交换方案组合，并通过密钥管理中心转发密钥元素，有效地避免了密钥控制，并且每次生成会话密钥一次配对运算，效率比此前的基于身份的密钥交换方案有很大的提高。

关键词: 基于身份, 密钥交换, 双线性对, 椭圆曲线

JI Wei,XIN Xiao-long. Efficient identity-based key agreement protocols with required security[J]. Computer Engineering and Applications, 2008, 44(23): 120-122.

戢伟,辛小龙. 基于身份的安全密钥交换方案[J]. 计算机工程与应用, 2008, 44(23): 120-122.

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Efficient identity-based key agreement protocols with required security

基于身份的安全密钥交换方案

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