publications

List of contributions, assorted in different categories.

book

J. Pelzl, “Practical Aspects of Curve-Based Cryptography and Cryptanalysis”, Doktorarbeit, Europäischer Universitätsverlag, ISBN: 3899661893, June 2006. [Abstract, BibTex]

journal paper

J. Guajardo, T. Güneysu, S. S. Kumar, C. Paar, J. Pelzl, “Efficient Hardware Implementation of Finite Fields with Applications to Cryptography”, Acta Applicandae Mathematicae: An International Survey Journal on Applying Mathematics and Mathematical Applications, Volume 93, Numbers 1-3, pp. 75-118, September 2006. [Abstract, BibTex]

J. Guajardo, S. Kumar, C. Paar, and J. Pelzl, “Efficient Software-Implementation of Finite Fields with Applications to Cryptography” , Acta Applicandae Mathematicae: An International Survey Journal on Applying Mathematics and Mathematical Applications, Volume 93, Numbers 1-3, pp. 3-32, August 2006. [Abstract, BibTex]

J. Pelzl, M. Simka, T. Kleinjung, J. Franke, C. Priplata, C. Stahlke, M. Drutarovsky, V. Fischer, and C. Paar, “Area-Time Efficient Hardware Architecture for Factoring Integers with the Elliptic Curve Method” , IEE Proceedings on Information Security, vol. 152, no. 1, pp. 67-78, October 2005. [Abstract, BibTex]

T. Wollinger, J. Pelzl and C. Paar, “Cantor versus Harley: Optimization and Analysis of Explicit Formulae for Hyperelliptic Curve Cryptosystems” , IEEE Transactions on Computers, vol. 54, no. 7, pp. 861-872, July 2005. [Abstract, BibTex]

T. Wollinger, J. Pelzl, V. Wittelsberger, C. Paar, G. Saldamli and C. Koc, “Elliptic & Hyperelliptic Curves on Embedded uP” , ACM Transactions on Embedded Computing Systems, Special Issue on Embedded Systems and Security, vol. 3, no. 3, pp. 509-533, August 2004. [Abstract, BibTex]

book chapter

J. Pelzl and T. Wollinger, “Security Aspects of Mobile Communication Systems“, chapter in Embedded Security in Cars - Securing Current and Future Automotive IT Applications, editors Kerstin Lemke, Christof Paar, Marko Wolf, Springer-Verlag, 2005, ISBN 3-540-28384-6. [Abstract, BibTex]

J. Pelzl, T. Wollinger, and C. Paar, “Special Hyperelliptic Curve Cryptosystems of Genus Two: Efficient Arithmetic and Fast Implementation“, chapter in Embedded Cryptographic Hardware: Design and Security, editor Nadia Nedjah, Nova Science Publishers, 2004, ISBN 1-59454-145-0. [Abstract, BibTex]

international conference paper

W. Geiselmann and F. Januszewski and H. K{\"o}pfer and J. Pelzl and R. Steinwandt, “A Simpler Sieving Device: Combining ECM and TWIRL”, 9th International Conference on Information Security and Cryptology --- ICISC 2006, November 30 - December 1, 2006, Busan, Korea, Proceedings. LNCS, Springer-Verlag [Abstract, BibTex]

S. Kumar, C. Paar, J. Pelzl, G. Pfeiffer, M. Schimmler, “Breaking Ciphers with COPACOBANA - A Cost-Optimized Parallel Code Breaker”, Cryptographic Hardware and Embedded Systems - CHES 2006, 8th International Workshop, Yokohama, Japan, October 10 - October 13, 2006, Proceedings. LNCS, Springer-Verlag [Abstract, BibTex]

S. Kumar, C. Paar, J. Pelzl, G. Pfeiffer, M. Schimmler, “A Configuration Concept for a Massive Parallel FPGA Architecture“ , International Conference on Computer Design - CDES'06, Las Vegas, USA, June 26-29, 2006. [Abstract, BibTex]

A. Bogdanov, M. Mertens, C. Paar, J. Pelzl, A. Rupp, “A Parallel Hardware Architecture for fast Gaussian Elimination over GF(2)“ , IEEE Symposium on Field-Programmable Custom Computing Machines, FCCM 2006, April 24-26, 2006, Napa, CA, USA. [Abstract, BibTex]

S. Kumar, C. Paar, J. Pelzl, G. Pfeiffer, M. Schimmler, “COPACOBANA - A Cost-Optimized Special-Purpose Hardware for Code-Breaking“, poster summary, IEEE Symposium on Field-Programmable Custom Computing Machines, FCCM 2006, April 24-26, 2006, Napa, CA, USA. [Abstract, BibTex]

T.E. Gueneysu, C. Paar, J. Pelzl, “On the Security of Elliptic Curve Cryptosystems against Attacks with Special-Purpose Hardware“, 2nd Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2006, April 3-4, 2006, Cologne, Germany. [Abstract, BibTex]

S. Kumar, C. Paar, J. Pelzl, G. Pfeiffer, A. Rupp, M. Schimmler, “How to Break DES for Euro 8,980“, 2nd Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2005, April 3-4, 2006, Cologne, Germany. [Abstract, BibTex]

A. Bogdanov, M. Mertens, C. Paar, J. Pelzl, A. Rupp, “SMITH - A Parallel Hardware Architecture for fast Gaussian Elimination over GF(2)“ , 2nd Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2006, April 3-4, 2006, Cologne, Germany. [Abstract, BibTex]

J. Franke, T. Kleinjung, C. Paar, J. Pelzl, C. Priplata, and C. Stahlke, “SHARK - A Realizable Hardware Architecture for Factoring 1024-bit Composites with the GNFS“ , Cryptographic Hardware and Embedded Systems - CHES 2005, 7th International Workshop, Edinburgh, UK, August 29 - September 1, 2005, Proceedings. LNCS 3659, Springer-Verlag [Abstract, BibTex]

D. Amanor, V. Bunimov, C. Paar, J. Pelzl, M. Schimmler, “Efficient Hardware Architectures for Modular Multiplication on FPGAs“, International Conference on Field Programmable Logic, Reconfigurable Computing, and Applications. August 24-28, Tampere, Finland. [Abstract, BibTex]

M. Simka, J. Pelzl, T. Kleinjung, J. Franke, C. Priplata, C. Stahlke, M. Drutarovsky, V. Fischer, and C. Paar, “Hardware Factorization Based Elliptic Curve Method“ , IEEE Symposium on Field-Programmable Custom Computing Machines, FCCM 2005, April 17-20, 2005, Napa, CA, USA. [Abstract, BibTex]

J. Franke, T. Kleinjung, C. Paar, J. Pelzl, C. Priplata, and C. Stahlke, “SHARK - A Realizable Hardware Architecture for Factoring 1024-bit Composites with the GNFS“ , 1st Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2006, February 24-25, 2005, Paris, France. [Abstract, BibTex]

J. Franke, T. Kleinjung, C. Paar, J. Pelzl, C. Priplata, M. Simka, and C. Stahlke, “An Efficient Hardware Architecture for Factoring large Numbers with the Elliptic Curve Method“ , 1st Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2005, February 24-25, 2005, Paris, France. [Abstract, BibTex]

S. Baktir, J. Pelzl, T. Wollinger, B. Sunar, and C. Paar, “Optimal Tower Fields for Hyperelliptic Curve Cryptosystems“ , 38th Asilomar Conference on Signals, Systems and Computers, November 7-10, 2004, Pacific Grove, USA. [Abstract, BibTex]

E. Barteska, J. Pelzl, C. Paar, V. Wittelsberger and T. Wollinger, “Case Study: Compiler Comparison for an Embedded Cryptographical Application“ , The 2004 International Conference on Embedded Systems and Applications - ESA, June 21-24, 2004, Las Vegas, USA. [Abstract, BibTex]

J. Pelzl, T. Wollinger, C. Paar, “High Performance Arithmetic for Hyperelliptic Curve Cryptosystems of Genus Two" , International Conference on Information Technology: Coding and Computing - ITCC, April 5-7, 2004, Las Vegas, USA. [Abstract, BibTex]

J. Pelzl, T. Wollinger, J. Guajardo and C. Paar, “Hyperelliptic Curve Cryptosystems: Closing the Performance Gap to Elliptic Curves” , Workshop on Cryptographic Hardware and Embedded Systems - CHES 2003, September 7-10, 2003, Cologne, Germany. [Abstract, BibTex]

J. Pelzl, T. Wollinger, and C. Paar, “Low Cost Security: Explicit Formulae for Genus-4 Hyperelliptic Curves” , Tenth Annual Workshop on Selected Areas in Cryptography - SAC 2003, August 14-15, 2003, Ottawa, Canada. [Abstract, BibTex]

selected national conferences

U. Kaiser, C. Paar, J. Pelzl, D. Rappe, W. Schindler, A. Weimerskirch and T. Wollinger, “Auswahlkriterien für kryptographische Algorithmen bei Low-Cost-RFID Systemen“ , DACH Security, March 17-18, 2005, Darmstadt. [Abstract, BibTex]

C. Paar, J. Pelzl, K. Schramm, A. Weimerskirch and T. Wollinger, “Eingebettete Sicherheit: State-of-the-art und zukünftige Entwicklungen“ , DACH Security, March 30 - 31, 2004, Basel, Swiss. [Abstract, BibTex]

other contributions

S. Babbage, D. Catalano, L. Granboulan, A. Lenstra, C. Paar, J. Pelzl, T. Pornin, B. Preneel, M. Robshaw, A. Rupp, N. Smart and M. Ward, “ECRYPT Yearly Report on Algorithms and Keysizes (2004)“ , (eds.) Christian Gehrmann and Mats Näslund

C. Paar, Jan Pelzl and Thomas Wollinger, "Hyperelliptic Cryptosystems in Practice" , 1. Krypto-Tag, Mannheim. Gesellschaft für Informatik - GI, December, 2004.

J. Pelzl, T. Wollinger, J. Guajardo and Christof Paar, "Hyperelliptic Curve Cryptosystems, Closing the Performance Gap to Elliptic Curves" , Euler Institute of Discrete Mathematics - EIDMA Symposium, PhD Conference, Nov. 21-22, Carlton De Brug, Mierlo 2002.

thesis

J. Pelzl, “Practical Aspects of Curve-Based Cryptography and Cryptanalysis”, Doktorarbeit, Ruhr University of Bochum, June 2006. [Abstract, BibTex]

J. Pelzl, Hyperelliptic Curve Cryptosystems on Embedded Microprocessors, Diplomarbeit, Ruhr University of Bochum, September 2002. [Abstract, BibTex]

invited talks

J. Pelzl, Cryptanalysis with a cost-optimized FPGA cluster,
Securing Cyberspace: Application and Foundations of Cryptography and Computer Security, Workshop IV: Special purpose hardware for cryptography: Attacks and Applications, December 4 - 8, 2006, Institute for Pure and Applied Mathematics (IPAM), University of California, Los Angeles (UCLA).

J. Pelzl, Exact Cost Estimates of ECC Attacks with Special-Purpose Hardware, The 10th Workshop on Elliptic Curve Cryptography - ECC 2006, September 18-20, 2006, The Fields Institute, Toronto, Canada.

J. Pelzl, “Hardware Implementation of ECC“ , ECC Summer-School 2004, September 16th, 2004, Ruhr University Bochum, Germany.

J. Pelzl, “Arithmetic on Elliptic Curves over GF(2^n)“ , ECC Summer-School 2004, September 14th, 2004, Ruhr University Bochum, Germany.

related activities

Research interests:

Reviewer for:

Professional industrial courses on cryptography and data security:

Teaching and tutoring: