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UC Secure Network Coding Against Pollution Attacks

机译:UC安全网络编码抵御污染攻击

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摘要

Considering the pollution attacks in network coding, in the single-source multi-sinks directed acyclic network, we present a Universally Composable (UC) secure random network coding scheme based on All-Or-Nothing Transform (AONT) encryption and homomorphic Network Coding Signature (NCS,). At the source node, by means of AONT enciyption an eavesdropper is unable to get any meaningful information no matter how many channels are wiretapped. To prevent malicious modification of data packets, in this study, we adopt the signature scheme NCS, for authentication the integrity of the transmitted data and the node identity. Lastly, we have proved the novel scheme is secure in the UC security model. By the security proof and comprehensive analysis, it is showed that the proposed scheme not only has the ability of resistance eavesdropper and the Byzantine attacker but also achieves the maximum flow of information transmission.
机译:考虑到网络编码中的污染攻击,在单源多宿定向非循环网络中,我们提出了一种基于全有无变换(AONT)加密和同态网络编码签名的通用可组合(UC)安全随机网络编码方案。 (NCS)。在源节点上,无论窃听了多少个通道,窃听者都无法通过AONT加密获得任何有意义的信息。为了防止恶意修改数据包,在本研究中,我们采用签名方案NCS,以验证传输数据的完整性和节点身份。最后,我们证明了该新方案在UC安全模型中是安全的。通过安全性证明和综合分析表明,该方案不仅具有抵抗窃听和拜占庭式攻击者的能力,而且还实现了信息传递的最大流量。

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