对低密度奇偶校验码的组合可靠性和安全性

AFRICON 2007 Pub Date : 2007-12-12 DOI:10.1109/AFRCON.2007.4401585

A. Fezal, S. Sunjiv

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引用次数: 0

摘要

在本文中，我们研究了在公钥密码系统(PKC)中使用低密度奇偶校验(LDPC)码作为密码原语的可能性。所设计的密码系统基于改进的McEliece方案，在一个组合算法中提供了综合的可靠性和安全性。然后提出了一个评估其安全性的模型。结果表明，我们的新密码系统至少在理论上比原来的McEliece PKC更安全。

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On low density parity check codes for combined reliability and security

In this manuscript we examine the possibility of using Low Density Parity-Check (LDPC) codes as cryptographic primitive in a Public-Key Cryptosystem (PKC). The designed cryptosystem is based on a modified McEliece scheme and provides for combined reliability and security within one combined algorithm. A model for evaluating its security is then presented. Result shows that our new cryptosystem is at least theoretically more secure than the original McEliece PKC.

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AFRICON 2007

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