Electromagnetic radiation analysis of implementation of RSA algorithm on a Raspberry Pi

Abstract

In this paper, security analysis of RSA implementation on a Raspberry Pi against electromagnetic radiation analysis is evaluated. Two different RSA algorithm is implemented on Raspberry Pi. Simple Electromagnetic Analysis and Differential Electromagnetic Analysis attacks are performed. Using Simple Electromagnetic Analysis attack on an unprotected implementation, all key bits are found with one measurement. Also, Differential Electromagnetic Analysis attack is performed against an improved implemantation that has countermeasure against Simple Electromagnetic Analysis attack. One key bit is found using 2500 measurements with a correlation analysis in Differential Electromagnetic Analysis attack.