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针对SKINNY-64的有效攻击方案基于代数断层分析.
Xing Fang1, Hongxin Zhang1,2, Xiaotong Cui1
1School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China.
Entropy (Basel, Switzerland)
|June 28, 2023
概括
研究人员开发了一种高效的代数故障分析攻击SKINNY-64轻量级块密码. 这种方法可以使用最小的故障快速可靠地恢复主钥匙.
科学领域:
- 密码学 密码学 密码学 密码学
- 计算机科学 计算机科学
- 信息安全 信息安全
背景情况:
- 轻量级块密码对于资源有限的环境中的安全至关重要.
- SKINNY是一个新的轻量级可调整的区块密码,专为此类应用而设计.
- 评估这些密码的安全性和可靠性至关重要.
研究的目的:
- 为SKINNY-64密码提供一个高效的攻击方案.
- 分析SKINNY-64的安全漏洞,以对抗代数式故障分析.
- 展示一个实际的方法来恢复主钥匙.
主要方法:
- 该研究采用了代数错误分析,这是一种利用计算过程中引入的错误的技术.
- 它通过分析故障扩散来确定故障注入的最佳位置.
- S-box分解与关键恢复故障分析相结合.
主要成果:
- 成功开发了SKINNY-64的有效攻击方案.
- 通过详细分析来确定最佳的故障注入点.
- 总钥匙可以在平均9秒内使用单个故障恢复.
结论:
- 拟议的攻击比现有的方法要有效得多.
- 它需要更少的故障,更快,并实现更高的成功率.
- 这项研究强调了像SKINNY-64.4这样的轻量级区块密码的潜在安全漏洞.
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