屏蔽AES s盒侧道泄漏的预防

15th International Conference on Advanced Computing and Communications (ADCOM 2007) Pub Date : 2007-12-18 DOI:10.1109/ADCOM.2007.103

Santosh K. Ghosh, Monjur Alam, Kundan Kumar, Debdeep Mukhopadhyay, D. R. Chowdhury

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引用次数: 13

摘要

栅极掩模是防止AES S- box差分功率分析(DPA)的常用技术之一。然而，由于电路中存在故障，即使是掩模电路也会泄漏侧信道信息。基于这一事实，我们提出了一种平衡的掩码多路复用器，其中输入通过顺序元件或控制与逻辑同步，这可能是防止对AES s - box掩码实现的DPA攻击的可能解决方案。详细的SPICE结果显示支持这样的说法，即修改确实降低了掩码乘法器对DPA攻击的脆弱性。关键词:侧信道攻击，掩码乘法器，AES S-box，差分功率分析

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Preventing the Side-Channel Leakage of Masked AES S-Box

Masking of gates is one of the most popular techniques to prevent Differential Power Analysis (DPA) of AES S- Boxes. However due to the presence of glitches in circuits even masked circuits leak side-channel information. Moti- vated by this fact, we proposed a balanced masked multi- plier where the inputs are synchronized either by sequential components or controlled AND logic, that can be a possible solution for preventing DPA attack on masked implementa- tion of AES S-Boxes. Detailed SPICE results are shown to support the claim that the modifications indeed reduce the vulnerability of the masked multiplier against DPA attacks. Keywords: Side Channel Attacks, Masked Multiplier, AES S-box, Differential Power Analysis

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15th International Conference on Advanced Computing and Communications (ADCOM 2007)

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