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Electronics 2017, 6(1), 16; doi:10.3390/electronics6010016

E2LEMI:Energy-Efficient Logic Encryption Using Multiplexer Insertion

Department of Electrical and Computer Engineering, University of Central Florida, Orlando, FL 32816, USA
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Author to whom correspondence should be addressed.
Academic Editor: Mostafa Bassiouni
Received: 1 December 2016 / Revised: 25 January 2017 / Accepted: 7 February 2017 / Published: 15 February 2017
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Abstract

Due to the outsourcing of chip manufacturing, countermeasures against Integrated Circuit (IC) piracy, reverse engineering, IC overbuilding and hardware Trojans (HTs) become a hot research topic. To protect an IC from these attacks, logic encryption techniques have been considered as a low-cost defense mechanism. In this paper, our proposal is to insert the multiplexer (MUX) with two cases: (i) we randomly insert MUXs equal to half of the output bit number (half MUX insertions); and (ii) we insert MUXs equal to the number of output bits (full MUX insertions). Hamming distance is adopted as a security evaluation. We also measure the delay, power and area overheads with the proposed technique. View Full-Text
Keywords: hardware security; logic encryption; hamming distance; LFSR hardware security; logic encryption; hamming distance; LFSR
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Alasad, Q.; Bi, Y.; Yuan, J.-S. E2LEMI:Energy-Efficient Logic Encryption Using Multiplexer Insertion. Electronics 2017, 6, 16.

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