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arXiv 2111.01656quant-ph
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基于Clauser-Horne-Shimony-Holt博弈的线性密码分析

Linear Cryptanalysis through the Lens of Clauser-Horne-Shimony-Holt Game

Arpita Maitra, Ravi Anand, Suman Dutta

摘要:

介绍了CHSH对策在线性密码分析中的应用。迄今为止,CHSH博弈在量子密码学中的已知用途是验证协议的设备独立性。我们观察到,经典的对称密码的偏差等于0:25可以提高到0:35利用游戏,这表明明显改善现有的线性和差分密码分析。在本倡议中,我们展示了在一个轻量级密码SIMON上的线性密码分析中的游戏应用。然而,该方法也可以扩展到差分密码分析。这一发现为量子密码学的研究开辟了一个新的方向。

英文摘要:

Application of CHSH game in Linear Cryptanalysis is presented. Till date, the known usage of CHSH game in Quantum Cryptology is to verify the device independence of the protocols. We observed that the classical symmetric ciphers having the bias equal to 0:25 can be improved to 0:35 exploiting the game which indicates clear improvement over existing Linear and Differential cryptanalysis. In the present initiative, we showed the application of the game in linear cryptanalysis on a lightweight cipher named SIMON. However, the approach can be extended to Differential cryptanalysis too. This observation opens a new direction of research in quantum cryptography.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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