基于W状态的半量子双签名方案的加密分析
Chun-Wei Yang1, Jason Lin2, Chia-Wei Tsai3
1Master Program for Digital Health Innovation, College of Humanities and Sciences, China Medical University, No. 100, Sec. 1, Jingmao Rd., Beitun Dist., Taichung 406040, Taiwan.
Entropy (Basel, Switzerland)
|July 8, 2023
概括
这项研究揭示了半量子双签名 (SQBS) 计划中的关键安全漏洞,包括假冒和中间人攻击. 这些漏洞损害了签名者的隐私和私钥安全性.
科学领域:
- 量子密码学是一种量子密码学.
- 信息安全信息安全.
背景情况:
- 半量子双签名 (SQBS) 方案允许使用量子和经典资源进行安全的数字签名.
- 和其他人. 最近提出了一个SQBS方案,用于两个量子签符和一个经典验证器的W状态.
研究的目的:
- 批判性地分析和识别等人内部的安全漏洞. 公司提出的SQBS计划.
- 为了证明该计划对各种复杂攻击的易受性.
主要方法:
- 对SQBS协议的安全分析.
- 对潜在的攻击载体进行模拟和理论检查.
- 评估该计划对内部人员和窃听者威胁的弹性.
主要成果:
- 在 Zhao et al. 发现了三个重要的安全问题. 这是SQBS的计划.
- 证明内部攻击者可以执行假冒攻击以窃取私钥.
- 证实窃听者可以执行中间人攻击,以破坏所有秘密签名信息,绕过窃听检查.
结论:
- 和其他人. 美国的SQBS计划并不像拟议的那样安全.
- 发现的漏洞,包括假冒身份和中间人攻击,使得该方案在实际使用中变得不安全.
- 该计划未能充分保护签署者的秘密信息,需要紧急修订或替代方法.
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