无线城域网中高效安全的组播技术

M. Ginley, Sen Xu, Chin-Tser Huang, M. Matthews
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引用次数: 6

摘要

多播数据传输是一种强大的机制,在下一代网络中具有强大的潜力。与单播相比,效率的提高是一个明显的优势,但多播的使用也带来了许多安全风险。有效地向多播服务添加安全措施是一个有趣的问题,特别是当该服务部署在无线环境中时。下一代IEEE 802.16标准无线城域网就是这个问题的一个完美例子,该标准的最新规范草案包括一种称为多播和广播重密钥算法(MBRA)的安全协议解决方案。在本文中,我们揭示了MBRA的安全问题,包括不可扩展性和向后和向前保密的遗漏,并提出了一种新的方法ELAPSE来解决这些问题。分析了ELAPSE算法的安全性,并用Qualnet仿真验证了该算法的有效性
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficient and Secure Multicast in WirelessMAN
Multicast delivery of data is a powerful mechanism that has strong potential in next generation networks. The increased efficiency over unicast is a definite advantage, but the use of multicast poses many security risks. Effectively adding security measures to a multicast service is an intriguing problem, especially when the service is deployed in a wireless setting. Next generation IEEE 802.16 standard WirelessMAN networks are a perfect example of this problem, and the latest draft specification of the standard includes a secure protocol solution called multicast and broadcast rekeying algorithm (MBRA). In this paper, we expose the security problems of MBRA, including non-scalability and omission of backward and forward secrecy, and propose a new approach, ELAPSE, to address these problems. We analyze the security property of ELAPSE and use Qualnet simulations to show its efficiency
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