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Power, Performance and Area Analysis of Sponge Based Lightweight HASH Function

Heera G. Wali* and Nalini C. Iyer
School of Electronics and Communication, KLE Technological University, Hubli, Karnataka, India

Abstract—The Internet of Things refers to uniquely distinguishable devices communicating with each other. Communication is largely on resource-constraint devices which would generate large volumes of data, the security, authenticity, and integrity of devices being essential. SPONGENT-88 variant of the SPONGENT family is a lightweight Hash algorithm suitable for authenticating resource-constrained devices in an IoT environment or WSN (Wireless Sensor Network) as it has the smallest footprint in comparison with the sponge-based Hash algorithm. Conventionally most of the security primitives are realized using more sequential logic which leads to an increase in the area occupied and latency. This work proposes a serialized architecture with a balance in sequential and combinational logic that uses lesser flipflops with a 21% increased performance for throughput/slice in comparison with reported works on target LUT-6 technology on FPGA, realized on the 14.2 ISE design suite. The work has a 4.6% decrease in quiescent power and dynamic power reported on the 14.2 ISE design suite for LUT-6 technology. This work has also achieved a Gate-Equivalence (GE) utilization for the proposed design on TSMC180 technology for a data path of 88-bit, while the proposed work reports 1204GE. In this work, a scaled-up architecture of the proposed SPONGENT-88 is realized for SPONGENT-128 and SPONGENT-224 as these variants provide improved security bound and is in comparison with the security provided by SHA-1 and SHA-2 algorithms. The scaled architecture for the latter variants of SPONGENT algorithms has achieved reduced Gate-Equivalence (GE) in comparison with the reported work.
Index Terms—Hash algorithm, lightweight authentication, sponge-based authentication

Cite:Heera G. Wali and Nalini C. Iyer, "Power, Performance and Area Analysis of Sponge Based Lightweight HASH Function," International Journal of Electrical and Electronic Engineering & Telecommunications