Hardware Security Threats to DSP Applications in an IoT Network

Security has become a major challenge with the evolution of Digital Signal Processing (DSP) applications for Internet of Things. IoT systems have become vulnerable on the hardware due to the malicious insertions in the designs which cause catastrophic damage to the system. A hardware Trojan possess the capability to modify a device's functionality. The hardware Trojans are designed such that they are capable of altering the existing logic or adding extra logic and thus compromising the integrity of the IC. This paper presents a study on such malicious insertions. Also in this paper we demonstrate methods to identify hardware Trojans and the effect of Hardware Trojans such as Denial of Service in a CORDIC processor using a Xilinx Spartan-3A FPGA kit.

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