Tutorial: Privacy Preservation in MANET: Issues and Challenges

D. K. Mishra
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引用次数: 3

Abstract

Summary form only given. Sometimes the physically distributed computing devices in a network may be interested in computing some function of their private inputs without disclosing these inputs to one another. This type of computation falls under the category of Secure Multiparty Computation (SMC). The solution to SMC problems in Mobile Ad hoc Networks (MANET) can be found with the modification of the data inputs or with some anonymization technique. MANETs are the wireless networks of the mobile computing devices with no support of any fixed infrastructure. The mobile nodes use any of the radio technology like Bluetooth, IEEE 802.11 or Hiperlan for directly communicating with each other. The nodes behave as hosts as well as routers. The security challenges in the MANET arise due to its dynamic topology, vulnerable wireless link and nomadic environment. An identification mechanism is needed between the nodes using identification and the credentials. This security architecture simultaneously leads to privacy problems. Some mechanism is needed which prevents a node to learn the identity or the credentials of other nodes. To provide location privacy in MANET is a nontrivial task. Current routing protocols do not focus much on the security and the privacy issues. These aspects are postponed till further development. An authentication protocol is needed between nodes using some cryptographic technique. In service-oriented MANET the denial of the service must be taken care of so that the availability of the service is maintained. The security requirement of the ad hoc network depends on its application. For example, for a simple business meeting the requirement is mitigated and for the military battlefield it is severe. Thus no general security architecture can be developed for MANET. Specific security architecture is needed for specific application. Much security related work is still pending and will add to the standards as the physical deployment of the MANET will grow. In this talk, an emphasis is made on how SMC solutions can be used for privacy preservation during computation.
教程:隐私保护在MANET:问题和挑战
只提供摘要形式。有时,网络中物理分布的计算设备可能对计算其私有输入的某些函数感兴趣,而不向彼此公开这些输入。这种计算类型属于安全多方计算(SMC)的范畴。移动自组织网络(MANET)中SMC问题的解决可以通过修改数据输入或采用一些匿名技术来解决。manet是移动计算设备的无线网络,没有任何固定基础设施的支持。移动节点使用任何无线电技术,如蓝牙、IEEE 802.11或Hiperlan直接相互通信。节点既充当主机,又充当路由器。由于其动态拓扑结构、易受攻击的无线链路和移动环境等特点,对无线局域网的安全性提出了挑战。在使用标识和凭证的节点之间需要一种标识机制。这种安全架构同时也会导致隐私问题。需要某种机制来防止节点学习其他节点的身份或凭据。在MANET中提供位置隐私是一项非常重要的任务。目前的路由协议对安全性和隐私性问题关注不够。这些方面推迟到进一步发展。节点之间需要使用某种加密技术的身份验证协议。在面向服务的MANET中,必须注意拒绝服务,以便维护服务的可用性。ad hoc网络的安全要求取决于它的应用。例如,对于满足需求的简单业务来说,满足需求的程度是缓和的,而对于军事战场来说,满足需求的程度是严重的。因此,无法为MANET开发通用的安全架构。特定的应用需要特定的安全体系结构。许多与安全相关的工作仍在进行中,随着MANET物理部署的增长,这些工作将增加到标准中。在这次演讲中,重点是如何在计算过程中使用SMC解决方案来保护隐私。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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