基于身份的混合网络的安全性分析

2013 10th International ISC Conference on Information Security and Cryptology (ISCISC) Pub Date : 2013-08-01 DOI:10.1109/ISCISC.2013.6767339

H. Yajam, Ali Mahmoodi, J. Mohajeri, M. Salmasizadeh

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引用次数: 2

摘要

提供匿名通信的最重要的系统之一是Mix网络，它应该提供正确性和隐私性，作为针对活动对手的安全需求。2009年，Zhong提出了一种新的混合网络方案，该方案使用基于身份的加密技术，并证明了它在半诚实模型中具有“正确性”和“隐私性”。由于半诚实模型对于实际应用来说是一个非常强的假设，因此我们表明，如果用户或最后一个混合服务器损坏，则Zhong方案不会提供针对活跃对手的隐私。

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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Security analysis of an identity-based mix net

One of the most important systems for providing anonymous communication is the Mix nets which should provide correctness and privacy as security requirements against active adversaries. In 2009, Zhong proposed a new mix net scheme which uses identity-based cryptographic techniques and proved that it has “correctness” and “privacy” properties in the semi-honest model. Since the semi-honest model is a very strong assumption for practical application, we show that if a user or the last mix server is corrupted, Zhong scheme does not provide privacy against an active adversary.

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来源期刊

2013 10th International ISC Conference on Information Security and Cryptology (ISCISC)

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