Vulnerability of MRD-Code-based Universal Secure Network Coding against Stronger Eavesdroppers
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概要
- 論文の詳細を見る
Silva et al. proposed a universal secure network coding scheme based on MRD codes, which can be applied to any underlying network code. This paper considers a stronger eavesdropping model where the eavesdroppers possess the ability to re-select the tapping links during the transmission. We give a proof for the impossibility of attaining universal security against such adversaries using Silva et al.s code for all choices of code parameters, even with a restricted number of tapped links. We also consider the cases with restricted tapping duration and derive some conditions for this code to be secure.
- （社）電子情報通信学会の論文
- 2010-11-01
著者
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Uyematsu Tomohiko
Dept. Of Communications And Integrated Systems Tokyo Institute Of Technology
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MATSUMOTO Ryutaroh
Dept. of Communications and Integrated Systems, Tokyo Institute of Technology
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SHIOJI Eitaro
Dept. of Communications and Integrated Systems, Tokyo Institute of Technology
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Matsumoto Ryutaroh
Dept. Of Communications And Integrated Systems Tokyo Institute Of Technology
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Uyematsu Tomohiko
Dept. Of Comm. And Integrated Systems Tokyo Institute Of Technology
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Shioji Eitaro
Dept. Of Communications And Integrated Systems Tokyo Institute Of Technology
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Matsumoto Ryutaroh
Dept. of Communications and Computer Engineering, Tokyo Institute of Technology
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