车联网环境下信息认证技术研究
发布时间：2019-03-19 20:09
【摘要】：密码学是信息安全的基础，贯穿于信息安全的整个过程，为信息的存储和传播提供保密性、完整性、真实性和不可否认性措施。目前，在政治、军事和社会生活中，密码学的应用日益普遍。 在智能交通领域，车联网作为是一种自组织、自管理、快速移动的户外通信网络系统，已经成为未来智能交通系统的核心组成部分。在给交通管理带来革命性变化的同时，车联网也衍生出来一系列信息安全问题。本文在总结车联网中信息安全问题的基础上，通过合理的分类，深入研究车联网中安全信息认证技术，具体包括： (1)针对公用车辆信息认证问题，结合无证书聚合签名思想，利用双线性对，提出公用车辆信息认证方案。安全分析表明，在随机预言机模型中，基于q-SDH困难问题和扩展逆计算Diffie-Hellman困难问题下，所提方案在适应性选择消息攻击下是存在性不可伪造的。仿真实验表明该方案中车辆之间的通信延时符合标准，在车辆不多的情况下，车辆间信息的丢包率是可以接受，因此方案具有较好的实用性。 (2)针对个人车辆信息认证问题，，结合路旁单元辅助思想，利用HMAC技术，提出隐私保护车辆认证方案。该方案能够满足车联网安全需求。仿真实验表明在路旁单元的辅助下，一方面车辆的信息延时比较低，并且随着车辆增加延时变化不大，另一方面丢包率对于路况严重阻塞时候会超过50%，但一般情况下满足需求，有一定的实用性。
[Abstract]:Cryptography is the basis of information security, which runs through the whole process of information security and provides confidentiality, integrity, authenticity and non-repudiation measures for the storage and dissemination of information. At present, the application of cryptography is becoming more and more popular in political, military and social life. In the field of intelligent transportation, as a kind of self-organizing, self-managing and fast-moving outdoor communication network system, vehicle networking has become the core part of intelligent transportation system in the future. While bringing revolutionary changes to traffic management, a series of information security problems are also derived from the interconnection of cars. On the basis of summarizing the information security problems in the vehicle networking, this paper, through reasonable classification, deeply studies the safety information authentication technology in the vehicle networking, including: (1) aiming at the public vehicle information authentication problem, Combined with the idea of attestation-free aggregate signature, a public vehicle information authentication scheme is proposed by using bilinear pairs. The security analysis shows that the proposed scheme is non-forgery under the adaptive selection message attack based on the q-SDH difficulty problem and the extended inverse computing Diffie-Hellman problem in the stochastic prophecy model. The simulation results show that the communication delay between vehicles is in accordance with the standard, and the packet loss rate between vehicles is acceptable when there are few vehicles, so the scheme has a good practicability. (2) in order to solve the problem of personal vehicle information authentication, a privacy protection vehicle authentication scheme is proposed based on the auxiliary idea of roadside unit and HMAC technology. This scheme can meet the safety requirements of vehicle networking. The simulation results show that with the aid of the roadside unit, on one hand, the information delay of the vehicle is low, and it does not change much with the increase of the vehicle delay, on the other hand, the packet loss rate will exceed 50% when the road condition is seriously blocked. But in general, to meet the needs, there is a certain degree of practicality.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN918.4
本文编号：2443855
[Abstract]:Cryptography is the basis of information security, which runs through the whole process of information security and provides confidentiality, integrity, authenticity and non-repudiation measures for the storage and dissemination of information. At present, the application of cryptography is becoming more and more popular in political, military and social life. In the field of intelligent transportation, as a kind of self-organizing, self-managing and fast-moving outdoor communication network system, vehicle networking has become the core part of intelligent transportation system in the future. While bringing revolutionary changes to traffic management, a series of information security problems are also derived from the interconnection of cars. On the basis of summarizing the information security problems in the vehicle networking, this paper, through reasonable classification, deeply studies the safety information authentication technology in the vehicle networking, including: (1) aiming at the public vehicle information authentication problem, Combined with the idea of attestation-free aggregate signature, a public vehicle information authentication scheme is proposed by using bilinear pairs. The security analysis shows that the proposed scheme is non-forgery under the adaptive selection message attack based on the q-SDH difficulty problem and the extended inverse computing Diffie-Hellman problem in the stochastic prophecy model. The simulation results show that the communication delay between vehicles is in accordance with the standard, and the packet loss rate between vehicles is acceptable when there are few vehicles, so the scheme has a good practicability. (2) in order to solve the problem of personal vehicle information authentication, a privacy protection vehicle authentication scheme is proposed based on the auxiliary idea of roadside unit and HMAC technology. This scheme can meet the safety requirements of vehicle networking. The simulation results show that with the aid of the roadside unit, on one hand, the information delay of the vehicle is low, and it does not change much with the increase of the vehicle delay, on the other hand, the packet loss rate will exceed 50% when the road condition is seriously blocked. But in general, to meet the needs, there is a certain degree of practicality.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN918.4
【参考文献】
相关期刊论文 前2条
1 陆海军;于秀源;谢琪;;可证安全的常数长度无证书聚合签名方案[J];上海交通大学学报;2012年02期
2 刘辉;李晖;;采用群组密钥管理的分布式车联网信息认证方案[J];西安交通大学学报;2013年02期
本文编号：2443855
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