Side-Channel Attacks in a Real Scenario

查看全文 作　　者：Ming [1,2]Tang;Maixing [1,2]Luo;Junfeng [1,2]Zhou;Zhen [1,2]Yang;Zhipeng [1,2]Guo;Fei [1,2]Yan;Liang [3]Liu

机构地区：[1]School of Cyber Science and Engineering, Wuhan University, Wuhan 430072, China;[2]State Key Laboratory of Cryptology, Beijing 100878, China;[3]Beijing Smart-Chip Microelectronics Technology Company Limited, Beijing 100192, China

出　　处：《Tsinghua Science and Technology》索引2018年第23卷第5期,共13页

基　　金：upported by the National Natural Science Foundation of China (No. 61472292);the Technological Innovation of Hubei Province (No. 2018AAA046);the Key Technology Research of New-Generation HighSpeed and High-Level Security Chip for Smart Grid (No. 526816160015) 摘　　要：Existing Side-Channel Attacks(SCAs) have several limitations and, rather than to be real attack methods,can only be considered to be security evaluation methods. Their limitations are mainly related to the sampling conditions, such as the trigger signal embedded in the source code of the encryption device, and the acquisition device that serves as the encryption-device controller. Apart from it being very difficult for an attacker to add a trigger into the original design before making an attack or to control the encryption device, there is a big gap in the capacity of existing SCAs to pose real threats to cipher devices. In this paper, we propose a new method, the sliding window SCA(SW-SCA), which can be applied in scenarios in which the acquisition device is independent of the encryption device and for which the encryption source code requires no trigger signal or modification. First,we describe the main issues in existing SCAs, then we theoretically analyze the effectiveness and complexity of our proposed SW-SCA —a method that can incorporate a sliding-window mechanism into almost all of the existing non-profiled SCAs. The experimental results for both simulated and physical traces verify the effectiveness of the SW-SCA and the appropriateness of its theoretical complexity. 关键词：攻击方法隧道加密设备设备控制器安全评估方法滑动窗口 SCA 采样条件

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Side-Channel Attacks in a Real Scenario

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