Vulnerability Analysis of PRINCE and RECTANGLE using CPA
Ravikumar Selvam, Dillibabu Shanmugam, Suganya Annadurai · 2015
As Internet of Things (IoT) evolves very rapidly, security components (cryptographic algorithm, protocol) of embedded devices need to be secure against software and physical attacks. However, the performance factors namely speed, area, and power play a major role in selection of security components for a resource constrained embedded devices. Subsequently, cryptographers are more attentive on designing lightweight ciphers to protect the information in such devices. PRINCE and RECTANGLE lightweight block ciphers are proposed using new design strategies for efficiency and security. In this paper we analyse the security of PRINCE and RECTANGLE against a type of side-channel attack called Correlation Power Analysis (CPA) attack. Our attack reduces key search space from 2128 to 33008 for PRINCE and 280 to 288 for RECTANGLE.