Cramer-Shoup防泄漏公钥加密的一种新变体

2012 Fourth International Conference on Intelligent Networking and Collaborative Systems Pub Date : 2012-09-19 DOI:10.1109/iNCoS.2012.64

Sujuan Li, Futai Zhang, Yinxia Sun, Limin Shen

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引用次数: 7

摘要

我们提出了一种新的Cramer-Shoup防泄漏公钥加密方法。该方案比原有的Cramer-Shoup防泄漏公钥加密方案具有更高的计算效率。它具有较短的(公开/秘密)密钥长度和较高的相对泄漏率。在决策Diffie-Hellman假设下，在标准模型下证明了新方案对自适应选择密文攻击的语义安全。

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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A New Variant of the Cramer-Shoup Leakage-Resilient Public Key Encryption

We present a new variant of the Cramer-Shoup leakage-resilient public key encryption. The proposed scheme is more computational efficient than the original Cramer-Shoup leakage-resilient public key encryption scheme. It enjoys a shorter (public/secret) key length, and a higher relative leakage ratio. The new scheme is proved semantically secure against adaptive chosen cipher text attack in the standard model under the decisional Diffie-Hellman assumption.

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来源期刊

2012 Fourth International Conference on Intelligent Networking and Collaborative Systems

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