Abstract
AbstractSince Internet of Things (IoT) devices, such as sensor device or automotive equipment, become widespread, the security of IoT devises is very important. These IoT devices have constraints on the area and the power consumption. Therefore, lightweight block ciphers which have small area and low power have attracted attention. PRESENT is one of the most popular lightweight block ciphers. Regarding the hardware security, the risk of electromagnetic analysis for a cryptographic circuit is pointed out. Differential electromagnetic analysis (DEMA) is typical electromagnetic analysis method. Regarding the verification of tamper resistance, previous studies show difference of selection function in DEMA affects the tamper resistance greatly. Therefore, this study proposes an electromagnetic analysis for PRESENT. The proposed method performs an analysis based on DEMA. Moreover, this study verifies the tamper resistance of PRESENT against DEMA using several selection functions. Experiments using a field progr...
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