基于扫描的侧信道攻击谷物v1

2013 10th International ISC Conference on Information Security and Cryptology (ISCISC) Pub Date : 2013-08-01 DOI:10.1109/ISCISC.2013.6767320

Sonu Jha

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引用次数: 0

摘要

本文研究了一种基于扫描的针对Grain系列流密码的侧信道攻击方法。由于基于扫描技术的特性，电路的扫描链测试可以转化为强大的密码攻击。因此，攻击的目标是测试电路。我们展示了攻击者如何获得关于NFSR和LFSR内部状态位的位置的知识，以及他如何找到密钥。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Scan based side channel attack on Grain v1

In this paper we study a scan based side channel attack against the Grain family of stream ciphers. The attack works because scan chain test of circuits can be transformed into a powerful cryptographic attack due to the properties of scan based technique. So as a result the attack targets the test circuitry. We show how the attacker gains the knowledge about the locations of internal state bits of the NFSR and the LFSR and how he finds the secret key.

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2013 10th International ISC Conference on Information Security and Cryptology (ISCISC)

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