可抵抗密钥失窃的无线通信安全协议研究

项目名称： 可抵抗密钥失窃的无线通信安全协议研究

项目编号： No.61300217

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 自动化技术、计算机技术

项目作者： 肖晟

作者单位： 湖南大学

项目金额： 22万元

中文摘要： 密钥的安全性是通信安全的前提。一旦密钥被攻击者所窃取，基于密钥的认证、加密、签名等算法和协议就不再能为通信提供安全性保障。传统的密钥安全保障思路主要是增加攻击者窃取密钥的难度，被动防御。由于实践中难以预测并防范攻击者所有可能的攻击手段，密钥失窃是影响通信安全的系统性风险。 本项目提出针对无线安全通信利用动态秘密理论构想主动防御密钥失窃风险的新思路。假设密钥已经为攻击者所获取，动态秘密可以使得被窃密钥很快失效，并且能确保准确检测攻击者所发送的任何虚假信息，从而增强无线通信的安全性。本项目将针对无线通信系统设计基于动态秘密的安全通信协议，并在室内和室外无线通信环境中测试协议的传输和安全性能，进行协议优化，推动动态秘密理论构想和现有无线安全通信系统有机结合。

中文关键词： 动态秘密；密钥管理；通信安全；自安全通信；自安全网络

英文摘要： Key safety is a premise of communication security. The protection of key safety is of critical importance to secure communication systems. The traditional key safety protection solutions are often passive. Such protection can hardly guarantee the key safety in practice because adversary has the freedome of choosing any vulnerability to attack. Unlike the traditional solutions, we propose to actively defend key thefts in wireless secure communication systems using dynamic secrets. The use of dynamic secrets can automatically expire the stolen key and provide an accurate detection mechanism to any fraudulent message sent by the adversary who holds a stolen key. This project aims to design dynamic secrets based secure communication protocols for wireless communications. This project also proposes indoor and outdoor experiments for the designed protocols for their data tranmission efficiency and key theft resilience. This project will futher optimize the protocols according to the experiemnt results and help advance the integration between dynamic secrets and existing wireless communication systems.

英文关键词： dynamic secret；key management；communication security；self-secure communication；self-secure network