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1.
    
Smart card‐based client‐server authentication protocol is well popular for secure data exchange over insecure and hostile networks. Recently, Lee et al. put forward an authentication protocol by utilizing ElGamal cryptosystem and proved that it can withstand known security threats. This article evinces that the protocol of Lee et al. is unwilling to protect various important security vulnerabilities such as forgery attack and off‐line password‐guessing attack. To vanquish these loopholes, this article presents a robust authentication protocol for client‐server communication over any insecure networks. The security explanation of our protocol has done through the formal and informal mechanism and its outcome makes sure that the designed protocol is strong enough to resist the known vulnerabilities. In addition, we have simulated our protocol using ProVerif online software and its results certify that our protocol is safe against private information of the client and server. This paper also has made performance estimation of the presented protocol and others, and the outcome favors the presented protocol.  相似文献   

2.
智能卡与口令相结合的身份认证方式既可保留使用强密钥优势,又具有使用方便的特点,是一种理想的安全双因子认证方式。当前许多公开的口令认证方案,要么需要较强的计算环境而难于采用智能卡快速实现,要么不能抵抗离线口令猜测攻击或服务端内部攻击而存在安全缺陷。提出一种非平衡型口令认证方案,基于智能卡和用户口令双因子设计,具有简便高效、口令安全、双向认证特点,能够抵御离线口令猜测攻击和服务端内部攻击,可用于满足设备开机时的安全认证需求。  相似文献   

3.
在智能卡的使用过程中,可能会由于某些原因破坏数据的完整性。这将影响到智能卡的正常使用,因此需要进行数据完整性校验。文中简述了异或校验和循环冗余校验的原理,结合智能卡的文件结构,提出了一种智能卡数据完整性校验的方法。  相似文献   

4.
智能卡的安全性   总被引:1,自引:0,他引:1  
智能卡就是带有微处理器(CPU)电路的IC卡.随着它的普及,有关智能卡的安全性问题就提到了日程上.文中主要讲述了涉及智能卡方面的一系列的安全问题及其本身的安全性设计.  相似文献   

5.
甘宏  潘丹 《数字通信》2014,41(5):1-5
针对基于动态身份远程用户认证,可有效防止用户关键信息泄露,保证已认证用户通过授权获取网络服务.针对Wen-Li提出的基于动态身份远程用户认证与密钥协商方案进行安全性分析,指出该方案存在安全缺陷,可能导致泄露用户部分关键信息,进而遭受网络攻击.在保留Wen-Li方案优点基础上提出一种改进的远程用户认证方案,重新设计了认证过程中的会话密钥和密钥确认消息,与Wen-Li方案相比,改进方案能够抵御中间人攻击以及盗窃智能卡攻击,并增强了方案的前向安全性.  相似文献   

6.
认证技术是当今网络安全发展的一个重要方向.无线传感器网络由于结点的资源和计算能力的限制,简单有效的认证协议是其需要考虑的重要问题.然而研究发现M.L.Das和Khan的协议都有一些安全缺陷,本文提出了一种适用于无线传感器网络的双因子认证协议,并对协议进行了安全分析和性能测试.结果表明,该协议能应对多种攻击,系统安全性高.  相似文献   

7.
提出一个对使用者的身份做认证的方法,这个方法是基于智能IC卡作媒介,当使用者登入系统时,将个人的智能IC卡插入终端机,再根据指示键入个人身份识别码及口令,此时智能IC卡针对使用者识别码及口令,利用电子签章做适当运算,再传回给系统做验算,以使模型易于使用又不失安全性。  相似文献   

8.
提出了一种改进的基于口令的认证体制,该体制能够抵御C.K.Chan和L.M.Cheng提出的一种重放攻击。  相似文献   

9.
作为"一卡通"的一个子系统,门禁系统早已超越了单纯的门道及钥匙管理,它已经逐渐发展成为一套完整的出入管理系统.本文对钢铁冶金企业中应用较为广泛的门禁一卡通系统的功能进行了需求分析,给出了系统的网络结构设计,并详细介绍该系统的各项功能以及可靠性及安全防护措施,对系统特点进行了详细描述.  相似文献   

10.
基于智能卡的动态身份认证机制   总被引:3,自引:0,他引:3  
王斌  李建华 《通信学报》2003,24(8):117-121
由于每次登录时用户提交的认证信息都是固定不变的,传统的口令认证机制容易遭受回放攻击。本文根据一个关于互素数的定理,提出了一种基于智能卡的动态身份认证机制。用户每次登录时,智能卡根据从服务器发来的challenge和事先嵌入智能卡的参数信息,为合法用户计算当前的认证信息。由于每次用户提交的认证信息都是动态可变的,从而有效地防止了回放攻击。  相似文献   

11.
近年来,网络用户信息泄露事件愈演愈烈,为保障网络用户个人数据安全,研究了网络场景下用户电子账户所面临的安全风险与威胁,分析了网络用户账号相关安全需求,提出了一种网络强身份认证方式——“沃互联”统一认证方案,该方案是以手机号码为用户唯一身份标识,为网络业务提供商提供统一的安全认证能力,使用户获得安全、便捷的用户认证和授权体验.  相似文献   

12.
分析了Zhang等提出的身份鉴别方案,指出了其不能抵抗离线口令猜测攻击,以及在登录阶段和验证阶段存在设计缺陷等问题.然后在保留其优点的基础之上,通过引入随机数和增加登录请求信息的方法,提出了一种更加安全可靠的口令认证协议方案.安全性分析结果表明,该方案能够有效抵抗离线口令猜测攻击和假冒攻击,可以实现双向鉴别等特点,增强了系统的安全性和实用性.  相似文献   

13.
    
Nowadays, authentication protocols are essential for secure communications specially for roaming networks, distributed computer networks, and remote wireless communication. The numerous users in these networks rise vulnerabilities. Thus, privacy‐preserving methods have to be run to provide more reliable services and sustain privacy. Anonymous authentication is a method to remotely authenticate users with no revelation about their identity. In this paper, we analyze 2 smart card–based protocols that the user's identity is anonymous. However, we represent that they are vulnerable to privileged insider attack. It means that the servers can compromise the users' identity for breaking their privacy. Also, we highlight that the Wen et al protocol has flaws in both stolen smart card and stolen server attacks and the Odelu et al protocol is traceable. Then, we propose 2 modified anonymous authentication protocols. Finally, we analyze our improved protocols with both heuristic and formal methods.  相似文献   

14.
姜奇  马卓  马建峰  李光松 《中国通信》2012,9(10):103-111
In order to remedy the security weaknesses of a robust user authentication framework for wireless sensor networks, an enhanced user authentication framework is presented. The enhanced scheme requires proof of the possession of both a password and a smart card, and provides more security guarantees in two aspects: 1) it addresses the untraceability property so that any third party accessing the communication channel cannot link two authentication sessions originated from the same user, and 2) the use of a smart card prevents offline attacks to guess passwords. The security and efficiency analyses indicate that our enhanced scheme provides the highest level of security at reasonable computational costs. Therefore, it is a practical authentication scheme with attractive security features for wireless sensor networks.  相似文献   

15.
邵和义 《电子科技》2019,32(10):83-86
针对传统机动车身份识别系统设备体积较大、不方便携带和移动的问题,文中开发了基于智能手机的机动车电子身份比对装置,其由微型便携超高频RFID读卡器、智能手机、手机APP及后台数据服务器共同组成。该装置充分利用了智能手机的拍摄、数据处理和通讯功能,配合微型RFID读卡器使用,具有方便携带、可同时完成机动车电子和传统号牌双重识别、可实时联网完成数据比对、价格低廉、工作稳定等特点。同时方便稽查人员随身携带使用,可完成对机动车辆身份的流动稽查、违章违法查处、盗抢套牌车辆查处等工作。  相似文献   

16.
    
Recently, Lee et al. proposed a simple and efficient authentication scheme for mobile satellite communication systems. However, we find that their scheme is vulnerable to the smart card loss attack, the denial of service attack and the replay attack. To overcome the weaknesses of Lee et al.'s scheme, we proposed an authentication scheme for mobile satellite communication systems to improve security. The proposed scheme possesses the essential properties and security requirements, which should be considered for the authentication scheme of mobile satellite communication systems. Copyright © 2014 John Wiley & Sons, Ltd.  相似文献   

17.
万涛  姜楠  马建峰 《中国通信》2014,(11):125-134
Since network services are provided cooperatively by multiple servers in the lnternet, the authentication protocols for multiserver architecture are required by Internetbased services, such as online game, online trade and so on. Recently, Li et al. analyzed Lee et al.'s protocol and proposed an improved dynamic identity based authentication protocol for multi-server architecture. They claimed that their protocol provides user's anonymity, mutual authentication and the session key agreement against several kinds of attacks. In this paper, a cryptanalysis on Lee et al.'s scheme shows that Lee et al's protocol is also vulnerable to malicious server attack, stolen smart card attack and leak-of-verifier attack. Moreover, Li e/ al.'s improved protocol is also vulnerable to all these attacks. Further cryptanalysis reveals that Li et al.'s improved protocol is susceptible to collusion attack.  相似文献   

18.
    
Recently, Liu et al came up with an authentication with key agreement scheme for securing communication over the low‐earth‐orbit satellite communication systems. However, this paper demonstrates that this scheme cannot provide perfect forward secrecy or defend against the smart card stolen attack, and has some very bad design defects, making it unpractical. Thus, to design a truly secure authentication scheme for satellite communication systems, this paper presents a new scheme, making use of the advantages of elliptic curve cryptography and symmetric cryptography. The security analyses by the widely used BAN logic and heuristic discussions demonstrate that our new scheme possesses perfect security properties and can defend against various well‐known malicious attacks. Moreover, our new scheme allows users to update passwords locally in accordance with their wishes, achieving a good user experience.  相似文献   

19.
提出了一种基于智能卡的有效远程双向身份鉴别方案。用户可自由地选择和改变登录口令,无需维护口令目录表或验证表。此外,该方案不仅能够提供通信双方的相互鉴别,而且引入质询随机数代替时间戳,既可保证每次身份鉴别信息的随机性,有效防止重放攻击,又避免了复杂的时间同步问题,极大地增强了应用系统的安全性和实用性。  相似文献   

20.
刘丽萍 《电信科学》2015,31(12):97-102
针对无线传感器网络(WSN)用户远程安全认证问题,分析现有方案的不足,提出一种新颖的基于智能卡的WSN远程用户认证方案。通过用户、网关节点和传感器节点之间的相互认证来验证用户和节点的合法性,并结合动态身份标识来抵抗假冒攻击、智能卡被盗攻击、服务拒绝攻击、字典攻击和重放攻击。同时对用户信息进行匿名保护,且用户能够任意修改密码。性能比较结果表明,该方案具有较高的安全性能,且具有较小的计算开销。  相似文献   

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