基于单向同构函数的三方认证密钥协商协议

计算机科学 ›› 2015, Vol. 42 ›› Issue (Z6): 447-450.

基于单向同构函数的三方认证密钥协商协议

陈海红

湖南永州职业技术学院计算机系永州425000

出版日期:2018-11-14 发布日期:2018-11-14

Three-party Authenticated Key Agreement Protocol Based on One-way Isomorphism

CHEN Hai-hong

Online:2018-11-14 Published:2018-11-14

摘要/Abstract

摘要： 密钥协商是实现参与者在公平的开放环境下建立会话密钥的重要手段。提出了一种新的可实现第三方对参与者身份进行认证的三方密钥协商协议。新协议利用单向同构函数生成会话密钥,避免了Hash函数的不安全问题。之后,利用定义的标准模型对协议进行了严格的形式化证明,并对协议的安全性和计算量进行了横向比较。结果显示,新协议具备已知密钥安全、绝对前向安全性和抗密钥泄露伪装攻击,且计算量也可被接受。

Abstract: Key agreement is an important mean to realize the secure communication between participants under the open and fair environment.This paper proposed a novel three-party key agreement protocol which has the sender authentication property.We used a one-way isomorphism to generate session key.And this mean avoids the insecurity of Hash function.We then gave the rigid security proof for our new protocol and compared the computational cost with some refe-rences.The result shows that our protocol has known key security,perfect forward security and can resist on the key compromise impersonation attack,and our protocol also has the acceptable computational cost.

Key words: Cryptography,Key agreement,One-way isomorphism,Cryptanalysis,Standard model

陈海红. 基于单向同构函数的三方认证密钥协商协议[J]. 计算机科学, 2015, 42(Z6): 447-450. https://doi.org/

CHEN Hai-hong. Three-party Authenticated Key Agreement Protocol Based on One-way Isomorphism[J]. Computer Science, 2015, 42(Z6): 447-450. https://doi.org/

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