Contact Information

Berk Sunar, Associate Professor
Electrical & Computer Engineering Department,
Office: Atwater Kent, Room 216
100 Institute Road
Worcester, MA 01609-2280
Phone: (508) 831-5494
Email: sunar'at'wpi.edu

Editorial Work

Research Interests

For more information please check the CRIS Research Lab website

  • Applied Cryptography and Information Security
  • Tamper-Resilient Cryptographic Hardware
  • Efficient Architectures and arithmetic algorithms for cryptography

Grants & Awards

  • IBM Research 2007 Pat Goldberg Memorial Best Paper Award for Trojan Detection Using IC Fingerprinting. Proceedings of the 2007 IEEE Symposium on Security and Privacy (S&P'07).
  • Sunar B.; Improving Snow3G and ECC with the Intel© Westmere Instruction Set, Intel Corporation, $44,912, 2008.
  • Sunar B.; W. J. Martin, NSF Cybertrust, CT-ER: Exploring Physical Functions for Lightweight and Robust Cryptography, $149,900, 2008.
  • Lou W.; B. Sunar (co-PI) NSF Cybertrust, CT-ISG: Broadcast/Multicast Security in Multi-User Wireless Sensor Networks, CNS 0716306.
  • Sunar B. Electronics and Communications Research Institute, Korea, Development of Hardware True Random Number Generator, $54,986, November 2006.
  • Sunar B. A Hardware Software Co-Design Approach for Flexible Cryptography, Intel Corporation, $256,000, June 2004.
  • Sunar B. WPI Joseph Samuel Satin Distinguished Fellow, Teaching and Scholarship Award, $25,000, May 2003.
  • Sunar B. CAREER Award: New Directions for Cryptographic Hardware, NSF-ANI-0133297, $330,000, August 2002.
  • Sunar, B.; C. Paar and W. J. Martin (co-PIs) ITR:SI Implementing Public-Key Cryptosystems for Secure Information Infrastructure, NSF-ANI-0112889, $436,000, September 2001.
  • Sunar, B., General Dynamics C4 Systems, Needham, MA, $200,000, December, 2001-2006.

Professional Associations

Staff

  1. Ghaith Hammouri, Post-Doctoral Researcher
  2. Chenguang Yang, Ph.D. Candidate
  3. Deniz Karakoyunlu Ph.D. Candidate,
  4. Kahraman Akdemir, Ph.D. Candidate
  5. Yin Hu, Ph.D. Candidate
  6. Michael Moukarzel, MS. Candidate

Alumni

Teaching

  • C Term 2010: ECE4801 Advanced Computer System Design

Publications

  1. Zhen Wang, Mark Karpovsky, Ajay Jayant Joshi, Berk Sunar, Design of Reliable and Secure Multipliers by Multilinear Arithmetic Codes, to appear in Proceedings of Eleventh International Conference on Information and Communications Security, ICICS 2009, December 14-17, 2009, Beijing, China.
  2. Kahraman Akdemir, Ghaith Hammouri, Berk Sunar, Non-linear Error Detection for Finite State Machines. In: Youm, H. Y., Yung, M., (eds.) Proceedings of the 10th International Workshop on Information Security Applications (WISA 2009), Springer-Verlag, Heidelberg, Germany, 2009 (to appear).
  3. Ghaith Hammouri, Aykutlu Dana, Berk Sunar, CDs Have Fingerprints Too. In: Clavier, C., Gaj, K., (eds.) Proceedings of the 11th Workshop on Cryptographic Hardware and Embedded Systems (CHES 2009), LNCS, vol. 5747, pp. 348-362, Springer-Verlag, Heidelberg, Germany (2009). (PDF)
  4. Z.Wang, M.Karpovsky, B.Sunar, Multilinear Codes for Robust Error Detection. D. Gizopoulos, A. Chatterjee. 15th IEEE International On-Line Testing Symposium, Sesimbra-Lisbon, Portugal, June 24-26, 2009
  5. Frederik Armknecht, Roel Maes, Ahmad-Reza Sadeghi, Berk Sunar, Pim Tuyls. Memory Leakage-Resilient Encryption based on Physically Unclonable Functions, to appear in The 15th Annual International Conference on the Theory and Application of Cryptology & Information Security (ASIACRYPT 2009).
  6. A.O. Durahim, E. Savas, B. Sunar, , T. B. Pedersen, O. Kocabas Transparent Code Authentication at the Processor Level, IET Computers & Digital Techniques, Volume 3, Issue 4, pages 354-372, July 2009.
  7. Erdinc Ozturk, Erkay Savas, Berk Sunar, A Versatile Montgomery Multiplier Architecture with Characteristic Three Support, Computers & Electrical Engineering, Volume 35 , Issue 1 (January 2009) Pages 71-85. Elsevier. Pre-Print (PDF)
  8. Ghaith Hammouri, Kahraman Akdemir, and Berk Sunar, Novel PUF-based Error Detection Methods in Finite State Machines, In: Lee, P.J., Cheon, J.H., (eds.) Proceedings of the 11th International Conference on Information Security and Cryptology (ICISC 2008), LNCS, vol. 5461, pp. 235-252, Springer-Verlag, Heidelberg, Germany (2008).
  9. Yin Hu, Ghaith Hammouri, Berk Sunar, A Fast Real-time Memory Authentication Protocol, Conference on Computer and Communications Security, Proceedings of the 3rd ACM workshop on Scalable trusted computing, pages 31-40, 2008. Pre-print: (PDF)
  10. Ghaith Hammouri, Erdinc Ozturk, Berk Birand, and Berk Sunar, Unclonable Lightweight Authentication Scheme, in Proceedings of Information and Communications Security, 10th International Conference (ICICS 2008), Liqun Chen, Mark Dermot Ryan, Guilin Wang (Eds.) Birmingham, UK, October 20-22, 2008, Lecture Notes in Computer Science 5308 Sprnger Verlag, pages 33-48, 2008.
  11. Ghaith Hammouri, Erdinc Ozturk, Berk Sunar, A Tamper-Proof and Lightweight Authentication Scheme, Pervasive and Mobile Computing, Volume 4, Issue 6, pages 807-818, Elsevier Science Publishers B. V. Amsterdam, The Netherlands, 2008. Pre-print: (PDF)
  12. Selcuk Baktir, Berk Sunar. Optimal Extension Field Inversion in the Frequency Domain, in Proceedings of International Workshop on the Arithmetic of Finite Fields -- WAIFI 08, LNCS 5130, pages 47-61, Siena, Italy. July 6-9, 2008. Pre-print: (PDF)
  13. Ghaith Hammouri, Berk Sunar. PUF-HB: A Tamper-Resilient HB based Authentication Protocol Applied Cryptography and Network Security: 6th International Conference, ACNS 2008, New York, NY, USA, June 3-6, 2008, Proceedings, Eds. Steven M. Bellovin, Rosario Gennaro, Angelos Keromytis, Moti Yung, LNCS 5037. Pre-print: (PDF)
  14. Erdinc Ozturk, Ghaith Hammouri, Berk Sunar, Physical unclonable function with tristate buffers. In: Proceedings of the International Symposium on Circuits and Systems (ISCAS 2008), 18-21 May 2008, Seattle, Washington, USA, pp. 3194-3197, IEEE, Washington, DC, USA (2008). Pre-print: (PDF)
  15. Erdinc Ozturk, Berk Sunar, and Ghaith Hammouri, Towards Robust Low Cost Authentication for Pervasive Devices, the Sixth Annual IEEE International Conference on Pervasive Computing and Communications, March 17-21, 2008, Hong Kong. Pre-print: (PDF)
  16. Erdinc Ozturk, Gunnar Gaubatz, Berk Sunar Tate Pairing with Strong Fault Resiliency, to appear in Proceedings of the IEEE Workshop on Fault Detection and Tolerance in Cryptography -- FDTC 2007. Pre-print: (PDF)
  17. Sang-Kyung Yoo, Berk Sunar, Deniz Karakoyunlu, Berk Birand A Robust and Practical Random Number Generator, under review. Pre-print: (PDF)
  18. Dakshi Agrawal, Selcuk Baktir, Deniz Karakoyunlu, Pankaj Rohatgi, Berk Sunar, Trojan Detection Using IC Fingerprinting, in Proceedings of IEEE Symposium on Security and Privacy, 20-23 May 2007 Page(s):296 - 310, 2007.
  19. Selcuk Baktir, Sandeep Kumar, Christof Paar, Berk Sunar, A State-of-the-art Elliptic Curve Cryptographic Processor Operating in the Frequency Domain,in Special Issue on Next Generation Hardware Architectures for Secure Mobile Computing by Mobile, Netoworks and Appications (MONET) Journal, Guest Editors: Nicolas Sklavos, Xinmiao Zhang and Maire McLoone. vol 12, no 4, pp 259-270, September 2007, Springer Verlag Publishers.
  20. Dakshi Agrawal, Selcuk Baktir, Deniz Karakoyunlu, Pankaj Rohatgi, Berk Sunar, Trojan Detection Using IC Fingerprinting, IBM Research Report RC24110, April 21, 2006. (PDF)
  21. G. Gaubatz, Erkay Savas, Berk Sunar, Sequential Circuit Design for Embedded Cryptographic Applications Resilient to Adversarial Faults, IEEE Transactions on Computers, pages 126-138, January 2008, vol 57, No 1., Pre-print: (PDF)
  22. S. Baktir and B. Sunar, Frequency Domain Finite Field Arithmetic for Elliptic Curve Cryptography, under review, Pre-print: (PDF)
  23. B. Sunar, W. J. Martin, D. R. Stinson, A Provably Secure True Random Number Generator with Built-in Tolerance to Active Attacks, IEEE Transactions on Computers, vol 58, no 1, pages 109-119, January 2007. Pre-Print (PDF)
  24. S. Baktir, B. Sunar, Finite Field Polynomial Multiplication in the Frequency Domain with Application to Elliptic Curve Cryptography, Albert Levi et al. (eds), Lecture Notes in Computer Science volume 4263, pages 991-1001, Computer and Information Sciences - ISCIS 2006, 21th International Symposium, Istanbul, Turkey, November 1-3, 2006, Proceedings. Springer 2006. Pre-Print (PDF) Springer Link: (HTML)
  25. G. Gaubatz, B. Sunar, M. Karpovsky Non-linear Residue Codes for Robust Public-Key Arithmetic, Proceedings of the 3rd Workshop on Fault Diagnosis and Tolerance in Cryptography - FDTC 2006, LNCS 4236, pages 173-184, Yokohama, Japan. Springer Link: (HTML)
  26. J.-P. Kaps and B. Sunar Energy comparison of AES and SHA-1 for ubiquitous computing, Xiabaobu Zhou et al. (eds), Lecture Notes in Computer Science 4097, pages 372-381, Springer, 2006. Springer-Link:(HTML)
  27. Jens-Peter Kaps, Gunnar Gaubatz, Berk Sunar, Cryptography on a Speck of Dust, IEEE Computer Magazine, pp 38-44, vol 40, No 2, February 2007.
  28. Selcuk Baktir, Berk Sunar, Achieving Efficient Polynomial Multiplication in Fermat Fields Using the Fast Fourier Transform, in Proceedings of the 44th ACM Southeast Conference 2006, Melbourne, Florida March 10-12, 2006.
  29. B. Sunar, A Euclidean Algorithm for Normal Bases, Special Issue on Finite Fields: Applications and Implementations, Acta Applicandae Mathematicae, Editor J. L. Imana, Volume 93, Numbers 1-3, pages 57-74, September, 2006, Springer Verlag, Netherlands. Pre-Print (PDF) Springer-Link (HTML)
  30. Cryptographic Hardware and Embedded Systems - CHES 2005 7th International Workshop, Edinburgh, UK, August 29 - September 1, 2005, Proceedings Series: Lecture Notes in Computer Science, Vol. 3659 Rao, Josyula R.; Sunar, Berk (Eds.) 2005, XIV, 458 p., Softcover ISBN: 3-540-28474-5 Springer Link (HTML)
  31. Jens-Peter Kaps, Kaan Yuksel, and Berk Sunar Energy Scalable Universal Hashing, IEEE Transactions on Computers, volume 54, number 12, pages 1484-1495, December, 2005. (PDF)
  32. Gunnar Gaubatz and Berk Sunar . Leveraging the multiprocessing capabilities of modern network processors for cryptographic acceleration. 4th IEEE International Symposium on Network Computing and Applications, IEEE Computer Society, IEEE Press, U.S.A., July 2005 (PDF)
  33. G. Gaubatz, B. Sunar, Robust Finite Field Arithmetic for Fault-Tolerant Public-Key Cryptography, Presented in Workshop on Fault Diagnosis and Tolerance in Cryptography 2005 (FDTC '05), Edinburgh, Scotland, September 2005, pages 196-210, LNCS 4236. Pre-print:(PDF) Springer-Link:(HTML)
  34. B. Sunar, An Efficient Basis Conversion Algorithm for Composite Fields with Given Representations IEEE Transactions on Computers, 54(8):992-997, August 2005. (PDF)
  35. B. Sunar, D. Cyganski, Comparison of Bit and Word Level Algorithms for Evaluating Unstructured Functions over Finite Rings, Lecture Notes in Computer Science, Vol. 3659, Rao, Josyula R.; Sunar, Berk (Eds.) 2005, XIV, Proceedings of CHES 2005. (PDF)
  36. E. Savas, B. Sunar, A Practical and Secure Communication Protocol in the Bounded Storage Model, Proceedings of the 4th International Conference on Networking, ICN 2005, Lecture Notes in Computer Science 3421, Volume 2, pages 707-717. (PDF)
  37. G. Gaubatz, J.-P. Kaps, E. Ozturk, B. Sunar, State of the Art in Public-Key Cryptography for Wireless Sensor Networks, Proceedings of the Second IEEE International Workshop on Pervasive Computing and Communication Security (PerSec 2005), pages 146-150. (PDF)
  38. Selcuk Baktir, Jan Pelzl, Thomas Wollinger, Berk Sunar, and Christof Paar, Optimal Tower Fields for Hyperelliptic Curve Cryptosystems, IEEE Proceedings of the 38th Asilomar Conference on Signals, Systems and Computers, 7-10 November 2004, Pacific Grove, California. (PDF)
  39. G. Gaubatz, J. Kaps, B. Sunar Public Keys Cryptography in Sensor Networks -- Revisited, 1st European Workshop on Security in Ad-Hoc and Sensor Networks (ESAS 2004), Lecture Notes in Computer Science, volume 3313, Springer, Heidelberg, pages 2-18, August, 2004. (PDF)
  40. E. Ozturk, B. Sunar, and E. Savas Low-Power Elliptic Curve CHES 2004: 6th International Workshop Cambridge, MA, USA, August 11-13, 2004. Proceedings. Lecture Notes in Computer Science 3156 Springer 2004, Cryptography Using Scaled Modular Arithmetic, Cryptographic Hardware and Conference 2004 Proceedings. pages 92-106. (PDF)
  41. K. Yuksel, J.-P. Kaps, and B. Sunar, Universal Hash Functions for Emerging Ultra-Low-Power Networks" Proceeding of The Communications Networks and Distributed Systems Modeling and Simulation Conference (CNDS), San Diego, CA, January, 2004. (PDF)
  42. S. Baktir, and B. Sunar Optimal Tower Fields, IEEE Transactions on Computers, 53(10):1231-1243, October 2004. (PDF)
  43. B. Sunar A Generalized Method for Constructing Subquadratic Complexity GF(2^k) Multipliers. IEEE Transactions on Computers, 53(9):1097-1105, September 2004. (PDF)
  44. B. Sunar, E. Savas and C. K. Koc. Constructing composite field representations for efficient conversion. IEEE Transactions on Computers, 52(11):1391-1398, November 2003. (PDF)
  45. B. Sunar and C. M. O'Rourke. Achieving NTRU with Montgomery Multiplication, IEEE Transactions on Computers, Special Issue on Cryptographic Hardware and Embedded Systems, 52(4)440-448, April, 2003. (PDF)
  46. B. Sunar and C. K. Koc. An efficient optimal normal basis type II multiplier. IEEE Transactions on Computers, 50(1):83-87, January 2001. (PDF)
  47. B. Sunar and C. K. Koc. Mastrovito multiplier for all trinomials. IEEE Transactions on Computers, 48(5):522-527, May 1999. (PDF)
  48. E. Savas, B. Sunar, and C. K. Koc. Efficient conversion algorithms for binary and composite fields. Technical Report, Secured Information Technology, Inc., 14 pages, July 1999. (PDF)
  49. B. Sunar. Fast Galois Field Arithmetic for Elliptic Curve Cryptography and Error Control Codes. Ph.D. Thesis, Department of Electrical & Computer Engineering, Oregon State University, November 6, 1998.
  50. C. K. Koc and B. Sunar. Low-complexity bit-parallel canonical and normal basis multipliers for a class of finite fields. IEEE Transactions on Computers, 47(3), March 1998. (PDF)
  51. C. K. Koc and B. Sunar. Low-complexity bit-parallel canonical and normal basis multipliers for a class of finite fields. Proceedings of 1998 IEEE International Symposium on Information Theory, pages 294-294, MIT, Cambridge, Massachusetts, August 16-21, 1998.
  52. M. Aydos, B. Sunar, and C. K. Koc. An elliptic curve cryptography based authentication and key agreement protocol for wireless communication. 2nd International Workshop on Discrete Algorithms and Methods for Mobile Computing and Communications, Dallas, Texas, October 30, 1998. (PDF)

Patent

  • C. K. Koc and B. Sunar. Methods and Apparatus for Multiplication in a Galois Field GF(2m), and Encoders and Decoders using Same. US Patent Nr. 6,343,305, January 29, 2002. TXT PDF