The University of Massachusetts Amherst
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Daniel Holcomb

Assistant Professor

My group's research investigates methodologies for secure and reliable embedded systems. Our work toward this goal spans computer engineering topics including formal verification, automation, VLSI design.

Current Research
Current projects are on security for FPGAs, testchip implementations of low-power security primitives, obfuscation and reverse engineering, and supply chain security.

Learn more at

Academic Background

  • BS/MS, ECE UMass Amherst
  • PhD EECS, UC Berkeley
  • Research Fellow, University of Michigan
MA Usmani, S Keshavarz, E Matthews, L Shannon, R Tessier, D Holcomb “Efficient PUF-Based Key Generation in FPGAs using Per-Device Configuration”, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Feb. 2019.
N. K. Dumpala, S. B. Patil, D. Holcomb, and R. Tessier, “Loop Unrolling for Energy Efficiency in Low-Cost FPGAs” ACM Transactions on Reconfigurable Technology and Systems, Jan. 2019
H Jiang, C Li, R Zhang, P Yan, P Lin, Y Li, JJ Yang, D Holcomb, Q Xia “A Provable Key Destruction Scheme Based on Memristive Crossbar Arrays”, Nature Electronics, Oct 12 2018.
X Xu, S Keshavarz, D Forte, M Tehranipoor, D Holcomb “Bimodal Oscillation as a Mechanism for Autonomous Majority Voting in PUFs”, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Aug. 2018.
S Keshavarz, C Yu, S Ghandali, X Xu, D Holcomb “Survey on Applications of Formal Methods in Reverse Engineering and Intellectual Property Protection”, Journal of Hardware and Systems Security, pp 1-11, Aug. 2018.
R Zhang, H Jiang, ZR Wang, P Lin, Y Zhuo, D Holcomb, DH Zhang, JJ Yang, Q Xia “Nanoscale diffusive memristor crossbars as physical unclonable functions”, Nanoscale, pp 2721-2726, Jan. 2018.
SN Dhanuskodi, D Holcomb, “Techniques to Reduce Switching and Leakage Energy in Unrolled Block Ciphers”, IEEE Transactions on Computers, Aug. 2017.
C. Yu, X. Zhang, D. Liu, M. Ciesielski, D. Holcomb, “Incremental SAT-based Reverse Engineering of Camouflaged Logic Circuits”, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, pp 1647-1659, Jan. 2017
A. Vijayakumar, V.C. Patil, D.E. Holcomb, C. Paar, S. Kundu, “Physical Design Obfuscation of Hardware: A Comprehensive Investigation of Device and Logic-Level Techniques”, IEEE Transactions on Information Forensics and Security (TIFS), pp 64-77, Aug. 2016
J. Hester, N. Tobias, A. Rahmati, L. Sitanayah, D. Holcomb, K. Fu, W.P. Burleson, J. Sorber. “Persistent Clocks for Batteryless Sensing Devices”, ACM Trans. Embed. Comput. Syst. 15, 4, Article 77, pp 1-28, Aug. 2016
Contact Info

Department of Electrical and Computer Engineering
309H Knowles Engineering Bldg
151 Holdsworth Way
Amherst, MA 01003-9292

(413) 545-6593