【第647期】CSIDH:高效后量子交换性群作用 episode artwork

EPISODE · Jul 8, 2026 · 20 MIN

【第647期】CSIDH:高效后量子交换性群作用

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Seventy3:借助NotebookLM的能力进行论文解读,专注人工智能、大模型、机器人算法、crypto方向,让大家跟着AI一起进步。如果你想要解读自己的论文,获得更多曝光度。请联系小助手微信:seventy3_podcast 加群。合作邮箱:zhiwudazhanjiangshi#gmail.com今天的主题是:CSIDH: An Efficient Post-Quantum Commutative Group ActionSummary我们提出了一种高效的交换群作用(commutative group action),适用于后量子环境下的非交互式密钥交换。我们的构建沿用了 Couveignes–Rostovtsev–Stolbunov 加密系统的布局,但我们将其应用于定义在大素数域 Fp​ 上的超奇异椭圆曲线(supersingular elliptic curves),而非普通椭圆曲线。由该群作用产生的 Diffie–Hellman 方案允许以极低的成本进行公钥验证,在实际运行中速度合理,并且在推测的 AES-128 安全级别下公钥仅为 64 字节,符合 NIST 的后量子安全类别 I(Category I)。原文链接:https://eprint.iacr.org/2018/383.pdf前往小宇宙评论区与主播互动

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【第647期】CSIDH:高效后量子交换性群作用

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