在群环上使用矩阵进行公钥交换

Delaram Kahrobaei, Charalambos Koupparis, V. Shpilrain
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引用次数: 78

摘要

摘要我们以Diffie-Hellman的精神提供了一个公钥交换协议,但是我们使用(小)对称群环上的(小)矩阵作为平台。平台的这种“嵌套结构”使得合法各方的计算非常高效。我们通过解决我们平台上的决策Diffie-Hellman (DDH)和计算Diffie-Hellman (CDH)问题来讨论该方案的安全性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Public key exchange using matrices over group rings
Abstract. We offer a public key exchange protocol in the spirit of Diffie–Hellman, but we use (small) matrices over a group ring of a (small) symmetric group as the platform. This “nested structure” of the platform makes computation very efficient for legitimate parties. We discuss security of this scheme by addressing the Decision Diffie–Hellman (DDH) and Computational Diffie–Hellman (CDH) problems for our platform.
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