Prof. Dr.-Ing. Christof Paar

Chair - Chair Eingebettete Sicherheit
Member - Horst Görtz Institute for IT-Security Horst Görtz Institute for IT-Security

Address

Prof. Dr.-Ing. Christof Paar
Chair for Embedded Security
Ruhr-Universität Bochum
D-44780 Bochum

Location:
Dept. of Electr. Eng. and Information Sciences
Universitätsstr. 150

Room: ID 2/609
Phone:: (+49)(0)234 / 32 - 22994
Email:: christof.paar@rub.de PGP key
Website:: https://www.emsec.ruhr-uni-bochum.de/

Vita

1988 B.Sc. in Communication Engineering, University of Applied Sciences Cologne
1991 M.Sc. in Electrical Engineering, Universität Siegen
1994 Ph.D. thesis "Computer Architectures for Galois Field Arithmetic", Institute for Experimental Mathematics, University of Essen
1995-2001 Assistant and associate professor, ECE Department, Worcester Polytechnic Institute, Massachusetts, USA
1999 Co-founder of CHES, the Conference on Cryptographic Hardware and Embedded Systems
2001-19 Chair for Embedded Security, ECE Department, Ruhr-Universität Bochum
2004 Co-founder of ESCRYPT GmbH - Embedded Security (now part of Bosch)
2004-07, 2010-12, 2016-17 Director of the Horst Görtz Institute for IT-Security
2008- Affiliated Professor, ECE Department, University of Massachusetts Amherst
2012-2017 Spokesperson for the doctoral school "Cryptography in Ubiquitous Computing"
2016 Spokesperson for the doctoral school "Brave New World: Security for Humans in Cyberspace (SecHuman)"
2019 Co-Spokesperson of the Cluster of Excellence "CASA - Cyber Security in the Age of Large-Scale Adversaries" (with Th. Holz und E. Kiltz)
2019- Founding director of the Max Planck Institute for Cybersecurity and Privacy
Curriculum Vitae
Portrait for download

Awards

2017: IACR Fellow (International Association for Cryptologic Research)
2016: ERC Advanced Grant for research in hardware security (2.5m €)
2016: “Pwnie Award for Best Cryptographic Attack”, Black Hat Conference
2013: DHL Innovation Award
2012: Innovationspreis NRW (100k €)
2012: Best Paper Award, IEEE Symposium on Security & Privacy
2011: IEEE Fellow
2010: German IT Security Award (100k €)
2006: RUBITEC Technology Transfer Award for ESCRYPT GmbH
1998: NSF CAREER Award
1990: Friedrich-Ebert Foundation Fellowship

Research Areas

Fast software algorithms for cryptographic implementations
Hardware architectures for cryptography
Physical attacks against real-world systems
Cryptanalytical hardware
Security in embedded applications such as smart cards, cars, etc.
Security in mobile and ad-hoc networks

Selected Talks

"Cyber and Hardware Security in the Age of Large‐Scale Adversaries", invited talk at the Harvard Kennedy School, June 7, 2019
"Why We Should Be Worried about Hardware Trojans", invited talk at The Summer Research Institute, EPFL, June 18, 2018.
"Constructive and Destructive Aspects of Embedded Security for the Internet of Things", invited tutorial at CCS 2013 (ACM Conference on Computer and Communications Security), November 5, 2013.
"Physical Attacks in a Physical World" , Invited Talk at the Massachusetts Institute of Technology, June 4, 2010.
"The Next 10 Years of IT Security:RFID, BMWs and Burglars", Invited talk at Stanford University, August 20, 2008.
"Light-Weight Cryptography for Ubiquitous Computing", Invited talk at the University of California, Los Angeles (UCLA), Institute for Pure and Applied Mathematics, December 4, 2006.
"Breaking Ciphers with COPACOBANA - A Cost-Optimized Parallel Code-Breaker", Talk at the Workshop on Cryptographic Hardware and Embedded Systems - CHES 2006, Yokohama, Japan, October 11-1 2006.

Important Publications

Co-editor of the proceedings "Workshop on Cryptographic Hardware and Embedded Systems (CHES)" 1999-2003
More than 200 peer-reviewed publications in journals and conferences plus 3 patents in applied cryptography
Invited talks at Cambridge, EPFL, Harvard, MIT, Oxford, Yale, Stanford, IBM T.J. Watson Labs and Intel

Courses

Publications

Promoting the Acquisition of Hardware Reverse Engineering Skills

Wiesen, Carina, Steffen Becker, Nils Albartus, Christof Paar, Rummel, Nikol - 2019 IEEE Frontiers in Education Conference (FIE), Cincinnati, OH, USA. 2019. (to be presented in October 2019 in Cincinnati, OH, USA)

Wie arbeiten Reverse Engineers?

Steffen Becker, Wiesen, Carina, Rummel, Nikol, Christof Paar - Datenschutz und Datensichicherheit (2019) 43: 686.

Highway to HAL

Sebastian Wallat, Nils Albartus, Steffen Becker, Max Hoffmann, Maik Ender, Marc Fyrbiak, Adrian Drees, Sebastian Maaßen, Christof Paar - CF'19 Proceedings of the 16th ACM International Conference on Computing Frontiers Pages 392-397

Towards Cognitive Obfuscation - Impeding Hardware Reverse Engineering Based on Psychological Insights

Carina Wiesen, Nils Albartus, Max Hoffmann, Steffen Becker, Sebastian Wallat, Marc Fyrbiak, Nikol Rummel, Christof Paar - ASPDAC '19 Proceedings of the 24th Asia and South Pacific Design Automation Conference Pages 104-111 (presentation at ASPDAC 2019, Tokyo, Japan, January 21–24, 2019)

Insights into the mind of a trojan designer: the challenge to integrate a trojan into the bitstream

Maik Ender, Pawel Swierczynski, Sebastian Wallat, Matthias Wilhelm, Paul Knopp, Christof Paar - In Proceedings of the 24th Asia and South Pacific Design Automation Conference (ASPDAC '19). ACM, New York, NY, USA, 112-119.

Enclosure-PUF: Tamper Proofing Commodity Hardware and other Applications

Christian Zenger, Christof Paar, Lars Steinschulte, Johannes Tobisch, David Holin - 35. Chaos Communication Congress (35c3), Leipzig, Germany, 2018.

Teaching Hardware Reverse Engineering: Educational Guidelines and Practical Insights

Carina Wiesen, Steffen Becker, Marc Fyrbiak, Nils Albartus, Malte Elson, Nikol Rummel, Christof Paar - 2018 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE), Wollongong, NSW, 2018, pp. 438-445. (presented in December 2018 in Wollongong, NSW, Australia)

An Exploratory Analysis of Microcode as a Building Block for System Defenses

Benjamin Kollenda, Philipp Koppe, Marc Fyrbiak, Christian Kison, Christof Paar, Thorsten Holz - ACM Conference on Computer and Communications Security (CCS), Toronto, October 2018

Stealthy Opaque Predicates in Hardware - Obfuscating Constant Expressions at Negligible Overhead

Max Hoffmann, Christof Paar - IACR Transactions on Cryptographic Hardware and Embedded Systems ISSN 2569-2925,Vol. 2018, No. 2, pp. 277–297

On the Difficulty of FSM-based Hardware Obfuscation

Marc Fyrbiak, Sebastian Wallat, Jonathan Déchelotte, Nils Albartus, Russell Tessier, Christof Paar - IACR Transactions on Cryptographic Hardware and Embedded Systems, Vol. 2018, No. 3, pp 293-330, 2018. (presentation at CHES 2018, Amsterdam, The Netherlands, September 9 – 12, 2018)

SAT-based Reverse Engineering of Gate-Level Schematics using Fault Injection and Probing

Shahrzad Keshavarz, Falk Schellenberg, Bastian Richter, Christof Paar, Daniel Holcomb - IEEE International Symposium on Hardware Oriented Security and Trust, HOST 2018, McLean, VA, USA, April 30 - May 4, 2018 (short paper, best poster award).

HAL—The Missing Piece of the Puzzle for Hardware Reverse Engineering, Trojan Detection and Insertion

Marc Fyrbiak, Sebastian Wallat, Pawel Swierczynski, Max Hoffmann, Sebastian Hoppach, Mathias Wilhelm, Tobias Weidlich, Russell Tessier, Christof Paar - IEEE Transactions on Dependable and Secure Computing (to appear)

Hybrid Obfuscation to Protect against Disclosure Attacks on Embedded Microprocessors

Marc Fyrbiak, Simon Rokicki, Nicolai Bissantz, Russell Tessier, Christof Paar - IEEE Transactions on Computers, Volume 67, Issue 3, pp. 307-321, 2018.

Bitstream Fault Injections (BiFI) - Automated Fault Attacks against SRAM-based FPGAs

Pawel Swierczynski, Georg T. Becker, Amir Moradi, Christof Paar - IEEE Transactions on Computers, vol. 67, no. 3, pp. 348-360, 2018.

The First Thorough Side-Channel Hardware Trojan

Maik Ender, Samaneh Ghandali, Amir Moradi, Christof Paar - International Conference on the Theory and Applications of Cryptology and Information Security, ASIACRYPT 2017, Hong Kong, China, December 3 - 7, 2017.

Implementing a Real-Time Capable WPLS Testbed for Independent Performance and Security Analyses

Christian Zenger, Mario Pietersz, Jeremy Brauer, Falk-Peter Dreßler, Daniel Theis, Christof Paar - Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, October 29th - November 1st, 2017

Reverse Engineering x86 Processor Microcode

Philipp Koppe, Benjamin Kollenda, Marc Fyrbiak, Christian Kison, Robert Gawlik, Christof Paar, Thorsten Holz - USENIX Security Symposium, Vancouver, Canada, August 2017

A look at the dark side of hardware reverse engineering - a case study

Sebastian Wallat, Marc Fyrbiak, Moritz Schlögel, Christof Paar - IEEE 2nd International Verification and Security Workshop, IVSW 2017, Thessaloniki, Greece, July 3-5, 2017.

Hardware reverse engineering: Overview and open challenges

Marc Fyrbiak, Sebastian Strauß, Christian Kison, Sebastian Wallat, Malte Elson, Nikol Rummel, Christof Paar - IEEE 2nd International Verification and Security Workshop, IVSW 2017, Thessaloniki, Greece, July 3-5, 2017.

Physical Design Obfuscation of Hardware: A Comprehensive Investigation of Device and Logic-Level Techniques

Vijayakumar, Arunkumar, Patil, Vinay C., Holcomb, Daniel E., Christof Paar, Kundu, Sandip - IEEE Transactions on Information Forensics and Security, volume: 12, Issue: 1, Pages: 64 - 77, Jan. 2017.

The Passive Eavesdropper Affects my Channel: Secret-Key Rates under Real-World Conditions

Christian Zenger, Hendrik Vogt, Jan Zimmer, Aydin Sezgin, Christof Paar - IEEE GLOBECOM 2016 Workshops, Washington D.C., USA, December 4-8 2016.

Relay-Verhinderung und Schlüssel-Diversifizierung mittels Wireless Physical-Layer Security

Christian Zenger, Mario Pietersz, Christof Paar - Innosecure 2017, Nuremberg, Germany, November 30th - December 1st 2016

A Design Methodology for Stealthy Parametric Trojans and Its Application to Bug Attacks

Samaneh Ghandali, Georg T. Becker, Daniel Holcomb, Christof Paar - Cryptographic Hardware and Embedded Systems, CHES 2016, Santa Barbara, CA, August 17 - 19, 2016

DROWN: Breaking TLS using SSLv2

Nimrod Aviram, Sebastian Schinzel, Juraj Somorovsky, Nadia Heninger, Maik Dankel, Jens Steube, Luke Valenta, David Adrian, J. Alex Halderman, Viktor Dukhovni, Emilia Käsper, Shaanan Cohney, Susanne Engels, Christof Paar, Yuval Shavitt - USENIX Security 2016

Constructive and Destructive Aspects of Adaptive Wormholes for the 5G Tactile Internet

Christian Zenger, Jan Zimmer, Mario Pietersz, Benedikt Driessen, Christof Paar - In Proceedings of the 9th ACM Conference on Security and Privacy in Wireless and Mobile Networks, WiSec 2016, Darmstadt, Germany, July 18-22, 2016. (Cooperation with PHYSEC GmbH (DE))

Authenticated Key Establishment for Low-Resource Devices Exploiting Correlated Random Channels

Christian Zenger, Mario Pietersz, Jan Zimmer, Jan-Felix Posielek, Thorben Lenze, Christof Paar

Interdiction in Practice – Hardware Trojan Against a High-Security USB Flash Drive

Pawel Swierczynski, Marc Fyrbiak, Philipp Koppe, Amir Moradi, Christof Paar - Journal of Cryptographic Engineering, Springer, June 2016.

Large Laser Spots and Fault Sensitivity Analysis

Falk Schellenberg, Markus Finkeldey, Nils C. Gerhardt, Martin R. Hofmann , Amir Moradi, Christof Paar - IEEE International Symposium on Hardware Oriented Security and Trust, HOST 2016, McLean, VA, USA, May 3-5, 2016 (best student-paper award).

Preventing Relay Attacks and Providing Perfect Forward Secrecy using PHYSEC on 8-bit µC

Christian Zenger, Mario Pietersz, Christof Paar - In IEEE International Conference on Communication, ICC 2016, Kuala Lumpur, Malaysia, 23-27 May 2016, Workshop Proceedings, pages 110–115. IEEE, 2016.

Common-path depth-filtered digital holography for high resolution imaging of buried semiconductor structures

Markus Finkeldey, Falk Schellenberg, Nils C. Gerhardt, Christof Paar, Martin R. Hofmann - 9771-16, SPIE Photonics West, San Francisco, California, USA (2016)

Common-path depth-filtered digital holography for high resolution imaging of buried semiconductor structures

Markus Finkeldey, Falk Schellenberg, Nils C. Gerhardt, Christof Paar, Martin R. Hofmann - Proc. SPIE 9771, Practical Holography XXX: Materials and Applications, 97710G (7 March 2016); doi: 10.1117/12.2212454

Finding the AES Bits in the Haystack: Reverse Enginering and SCA Using Voltage Contrast

Christian Kison, Jürgen Frinken, Christof Paar - Workshop on Cryptographic Hardware and Embedded Systems, CHES 2015, Saint-Malo, France, September 13 - 16, 2015

On the Complexity Reduction of Laser Fault Injection Campaigns using OBIC Measurements

Falk Schellenberg, Markus Finkeldey, Bastian Richter, Maximilian Schäpers, Nils C. Gerhardt, Martin R. Hofmann , Christof Paar - Fault Diagnosis and Tolerance in Cryptography - FDTC 2015, Saint Malo, France, September 13, 2015.

Exploiting the Physical Environment for Securing the Internet of Things

Christian Zenger, Jan Zimmer, Mario Pietersz, Jan-Felix Posielek, Christof Paar - New Security Paradigms Workshop, NSPW 2015, Twente, The Netherlands, September 8–11, 2015

Bringing PHY-based Key Generation into the Field: An Evaluation for Practical Scenarios

Rene Guillaume, Fredrik Winzer, Christian Zenger, Christof Paar, Andreas Czylwik - 82nd Vehicular Technology Conference, VTC 2015, Boston, USA, 6-9 September, 2015

Security Analysis of Quantization Schemes for Channel-based Key Extraction

Christian Zenger, Jan Zimmer, Christof Paar - EAI Endorsed Transactions on Security and Safety, vol. 15, no. 6

On-line Entropy Estimation for Secure Information Reconciliation

Christian Zenger, Jan Zimmer, Jan-Felix Posielek, Christof Paar - Workshop on Wireless Communication Security at the Physical Layer, WiComSec-Phy 2015, Coimbra, Portugal, July 22, 2015

Security Analysis of Quantization Schemes for Channel-based Key Extraction

Christian Zenger, Jan Zimmer, Christof Paar - Workshop on Wireless Communication Security at the Physical Layer, WiComSec-Phy 2015, Coimbra, Portugal, July 22, 2015

Development of a Layout-Level Hardware Obfuscation Tool

Shweta Malik, Georg T. Becker, Christof Paar, Wayne P. Burleson - IEEE Computer Society Annual Symposium on VLSI, ISVLSI 2015 (Invited Paper), Montpellier, France, July 2015

Efficient E-cash with Attributes on MULTOS Smartcards

Gesine Hinterwälder, Felix Riek, Christof Paar - 11th Workshop on RFID Security - RFIDsec 2015 (to appear)

A Hardware-based Countermeasure to Reduce Side-Channel Leakage - Design, Implementation, and Evaluation

Andreas Gornik, Amir Moradi, Jürgen Oehm, Christof Paar - IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Vol. 34, No.8, pages 1308-1319, 2015.

High-speed Curve25519 on 8-bit, 16-bit, and 32-bit microcontrollers

Michael Düll, Björn Haase, Gesine Hinterwälder, Michael Hutter, Christof Paar, Ana Helena Sánchez, Peter Schwabe - Designs, Codes and Cryptography comprising the “Special Issue on Cryptography, Codes, Designs and Finite Fields: In Memory of Scott A. Vanstone”, Springer-Verlag.

Protecting against Cryptographic Trojans in FPGAs

Pawel Swierczynski, Marc Fyrbiak, Christof Paar, Christophe Huriaux, Russell Tessier - In the Proceedings of the IEEE Symposium on Field-Programmable Custom Computing Machines, Vancouver, British Columbia, May 2015.

SCANDALee: A Side-ChANnel-based DisAssembLer using Local Electromagnetic Emanations

Daehyun Strobel, Florian Bache, David Oswald, Falk Schellenberg, Christof Paar - Design, Automation & Test in Europe Conference & Exhibition, DATE 2015, Grenoble, France, March 9 - 13 , 2015.

Cryptographic Theory Meets Practice: Efficient and Privacy-Preserving Payments for Public Transport

Andy Rupp, Foteini Baldimtsi, Gesine Hinterwälder, Christof Paar - ACM Transactions on Information and System Security (TISSEC), Volume 17 Issue 3, March 2015, Article No. 10

FPGA Trojans through Detecting and Weakening of Cryptographic Primitives

Pawel Swierczynski, Marc Fyrbiak, Philipp Koppe, Christof Paar - IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Volume PP Issue 99, February 2015.

Physical Security Evaluation of the Bitstream Encryption Mechanism of Altera Stratix II and Stratix III FPGAs

Pawel Swierczynski, Amir Moradi, David Oswald, Christof Paar - ACM Transactions on Reconfigurable Technology and Systems (TRETS), Volume 7 Issue 4, December 2014.

Remote IP Protection using Timing Channels

Ariano-Tim Donda, Peter Samarin, Jacek Samotyja, Kerstin Lemke-Rust, Christof Paar - The 17th Annual International Conference on Information Security and Cryptology -- ICISC 2014, December 3 ~ 5, 2014, Seoul, Korea, to appear

Preventing Scaling of Successful Attacks: A Cross-Layer Security Architecture for Resource-Constrained Platforms

Christian Zenger, Abhijit Ambekar, Fredrik Winzer, Thomas Pöppelmann, Hans D. Schotten, Christof Paar - 1st International Conference on Cryptography and Information Security (BalkanCryptSec), 2014

Attacking Code-Based Cryptosystems with Information Set Decoding Using Special-Purpose Hardware

Stefan Heyse, Ralf Zimmermann, Christof Paar - Post-Quantum Cryptography - 6th International Workshop, PQCrypto 2014, Waterloo, ON, Canada, October 1-3, 2014

Full-Size High-Security ECC Implementation on MSP430 Microcontrollers

Gesine Hinterwälder, Amir Moradi, Michael Hutter, Peter Schwabe, Christof Paar - Third International Conference on Cryptology and Information Security in Latin America, Latincrypt 2014, Florianópolis, Brazil, September 17 - 19, 2014.

POSTER: Implementation and Evaluation of Channel-based Key Establishment Systems

Christian Zenger, Christof Paar - Workshop on Cryptographic Hardware and Embedded Systems, CHES 2014, Busan, Korea, September 23 - 26, 2014.

A Novel Key Generating Architecture for Wireless Low-Resource Devices

Christian Zenger, Jan-Felix Posielek, Gerhard Wunder, Christof Paar - ESORICS International Workshop on Secure Internet of Things 2014 (ESORICS-SIoT 2014), 16 pages

Fair Comparison and Evaluation of Quantization Schemes for PHY-based Key Generation

René Guillaume, Andreas Mueller , Christian Zenger, Christof Paar, Andreas Czylwik - 18th International OFDM Workshop 2014, Essen, Germany

Block Ciphers – Focus On The Linear Layer (feat. PRIDE)

Martin R. Albrecht, Benedikt Driessen, Elif Bilge Kavun, Gregor Leander, Christof Paar, Tolga Yalcin - In Proceedings of the 34th International Cryptology Conference 2014 (CRYPTO’14), volume 8616 of Lecture Notes in Computer Science, pages 57-76. Springer, Santa Barbara, CA, US, August 17-21, 2014

Microcontrollers as (In)Security Devices for Pervasive Computing Applications

Daehyun Strobel, David Oswald, Bastian Richter, Falk Schellenberg, Christof Paar - Proceedings of the IEEE, vol. 102, no. 8, pp. 1157-1173, 2014

Sweet Dreams and Nightmares: Security in the Internet of Things

Timo Kasper, David Oswald, Christof Paar - Information Security Theory and Practice. Securing the Internet of Things - 8th IFIP WG 11.2 International Workshop, WISTP 2014, Heraklion, Crete, Greece, June 30 - July 2, 2014.

Proof-of-Concept: Using Homomorphic Cryptography to Provide for Privacy in Modern Vehicular Environments

Susanne Wetzel, Bernhard Borsch, Christof Paar, Thomas Pöppelmann - escar Embedded Security in Cars Conference, June 18-19, 2014, Detroid Metropolitan, Michigan, USA, extended abstract

Stealthy dopant-level hardware Trojans: extended version

Georg T. Becker, Francesco Regazzoni, Christof Paar, Wayne P. Burleson - Journal of Cryptographic Engineering 4.1 (2014): 19-31

Statistics on Password Re-use and Adaptive Strength for Financial Accounts

Daniel V. Bailey, Markus Dürmuth, Christof Paar - Proceedings 9th International Conference on Security and Cryptography (SCN), 2014.

Typing passwords with voice recognition --or-- How to authenticate to Google Glass

Daniel Bailey, Markus Dürmuth, Christof Paar - Adventures in Authentication: WAY Workshop. 2014.

A Performance Boost for Hash-based Signatures

Thomas Eisenbarth, Ingo von Maurich, Christof Paar, Xin Ye - Number Theory and Cryptography - Papers in Honor of Johannes Buchmann on the Occasion of His 60th Birthday

An Experimental Security Analysis of Two Satphone Standards

Benedikt Driessen, Ralf Hund, Carsten Willems, Christof Paar, Thorsten Holz - ACM Transactions on Information and System Security (TISSEC), Vol. 16, No. 3, Article 10, Publication date: November 2013

Keccak und der SHA-2

Pawel Swierczynski, Gregor Leander, Christof Paar - DuD - Datenschutz und Datensicherheit Ausgabe 11/2013

Side-Channel Attacks on the Yubikey 2 One-Time Password Generator

David Oswald, Bastian Richter, Christof Paar - RAID 2013, Rodney Bay, St. Lucia, October 23-25, 2013.

Fuming Acid and Cryptanalysis: Handy Tools for Overcoming a Digital Locking and Access Control System

Daehyun Strobel, Benedikt Driessen, Gregor Leander, Timo Kasper, David Oswald, Falk Schellenberg, Christof Paar - Advances in Cryptology - CRYPTO 2013 - 33rd Annual Cryptology Conference, Santa Barbara, CA, USA, August 18-22, 2013

One Attack to Rule Them All: Collision Timing Attack versus 42 AES ASIC Cores

Amir Moradi, Oliver Mischke, Christof Paar - IEEE Transactions on Computers, vol. 62, no. 9, pp. 1786-1798, Sept. 2013.

Stealthy Dopant-Level Hardware Trojans

Georg T. Becker, Francesco Regazzoni, Christof Paar, Wayne P. Burleson - Workshop on Cryptographic Hardware and Embedded Systems, CHES 2013, Santa Barbara, California, USA, August 20 - 23, 2013 Extended version in Journal of Cryptographic Engineering, Springer, 2014

When Reverse-Engineering Meets Side-Channel Analysis–Digital Lockpicking in Practice

David Oswald, Daehyun Strobel, Falk Schellenberg, Timo Kasper, Christof Paar - Selected Areas in Cryptography -- SAC 2013, Springer Berlin Heidelberg, 2014, 571-588

Rights Management with NFC Smartphones and Electronic ID Cards: A Proof of Concept for Modern Car Sharing

Timo Kasper, David Oswald, Christian Zenger, Christof Paar - 9th Workshop on RFID Security, RFIDsec 2013, July 9-11, 2013, Graz, Austria

Efficient E-Cash in Practice: NFC-Based Payments for Public Transportation System

Gesine Hinterwälder, Christian Zenger, Foteini Baldimtsi, Anna Lysyanskaya, Christof Paar, Wayne P. Burleson - E. De Cristofaro and M. Wright (Eds.): PETS 2013, LNCS 7981, pp. 40–59, 2013. © Springer-Verlag Berlin Heidelberg 2013

P4R: Privacy-Preserving Pre-Payments with Refunds for Transportation Systems

Andy Rupp, Gesine Hinterwälder, Foteini Baldimtsi, Christof Paar - A.-R. Sadeghi (Eds.): Financial Cryptography and Data Security 2013, Volume 7859, pp 205-212, 2013. © Springer-Verlag Berlin Heidelberg 2013

High-Performance Cryptanalysis on RIVYERA and COPACOBANA Computing Systems

Tim Güneysu, Timo Kasper, Martin Novotný, Christof Paar, Lars Wienbrandt, Ralf Zimmermann - "High-Performance Computing Using FPGAs", Vanderbauwhede, Benkrid (Eds.), p. 335-366, February 2013, Springer Verlag, ISBN: 978-1-4614-1790-3

Side-Channel Attacks on the Bitstream Encryption Mechanism of Altera Stratix II - Facilitating Black-Box Analysis using Software Reverse-Engineering

Amir Moradi, David Oswald, Christof Paar, Pawel Swierczynski - 21st ACM/SIGDA International Symposium on Field-Programmable Gate Arrays- FPGA 2013, pages 91-100, February 11 - 13. ACM, 2013.

SHA-3 - Portierung auf einer ATmega163 Smartcard

Pawel Swierczynski, Christof Paar - 23. SMARTCARD-WORKSHOP, Tagungsband, Darmstadt, 6/7. Februar 2013.

Evaluation of Standardized Password-Based Key Derivation against Parallel Processing Platforms

Markus Dürmuth, Tim Güneysu, Markus Kasper, Christof Paar, Tolga Yalcin, Ralf Zimmermann - Computer Security - ESORICS 2012 - 17th European Symposium on Research in Computer Security, Pisa, Italy, September 10-12, 2012

IPSecco: A Lightweight and Reconfigurable IPSec Core

Benedikt Driessen, Tim Güneysu, Elif Bilge Kavun, Oliver Mischke, Christof Paar, Thomas Pöppelmann - 2012 International Conference on Reconfigurable Computing and FPGAs, ReConFig 2012, Cancun, Mexico, December 5-7, 2012

PRINCE – A Low-Latency Block Cipher for Pervasive Computing Applications (Extended Abstract)

Julia Borghoff, Anne Canteaut, Tim Güneysu, Elif Bilge Kavun, Miroslav Knezevic, Lars R. Knudsen, Gregor Leander, Ventzislav Nikov, Christof Paar, Christian Rechberger, Peter Rombouts, Søren S. Thomsen, Tolga Yalcin - Advances in Cryptology - ASIACRYPT 2012 - 18th International Conference on the Theory and Application of Cryptology and Information Security, Beijing, China, December 2-6, 2012

Improving Side-Channel Analysis with Optimal Linear Transforms

David Oswald, Christof Paar - CARDIS 2012

Side Channels as Building Blocks

Markus Kasper, Amir Moradi, Georg T. Becker, Oliver Mischke, Tim Güneysu, Christof Paar, Wayne Burleson - Journal of Cryptographic Engineering, Volume 2, Number 3, pages 143-159, 2012, Springer.

Detecting Software Theft in Embedded Systems: A Side-Channel Approach

Georg T. Becker, Daehyun Strobel, Christof Paar, Wayne Burleson - IEEE Transactions on Information Forensics and Security, , vol.7, no.4, pp.1144,1154, Aug. 2012

IT-Sicherheit in der Elektromobilität

Christof Paar, Marko Wolf, Ingo von Maurich - ATZelektronik, volume 7, issue 4, pp 274-279, Springer, 2012.

Solving Binary Linear Equation Systems over the Rationals and Binaries

Benedikt Driessen, Christof Paar - International Workshop on the Arithmetic of Finite Fields (Bochum) 2012

Pay as you Go

Foteini Baldimtsi, Gesine Hinterwälder, Andy Rupp, Anna Lysyanskaya, Christof Paar, Wayne P. Burleson - 5th Workshop on Hot Topics in Privacy Enhancing Technologies (HotPETs 2012) Held in conjunction with the 12th Privacy Enhancing Technologies Symposium July 13, 2012, Vigo, Spain

Privacy Preserving Payments on Computational RFID Devices with Application in Intelligent Transportation Systems

Gesine Hinterwälder, Christof Paar, Wayne P. Burleson - J.-H. Hoepman, I. Verbauwhede (Eds.): RFIDSec 2012, Volume 7739, pp 109-122, 2013. © Springer-Verlag Berlin Heidelberg 2013

Don’t Trust Satellite Phones: A Security Analysis of Two Satphone Standards

Benedikt Driessen, Ralf Hund, Carsten Willems, Christof Paar, Thorsten Holz - IEEE Symposium on Security and Privacy ("Oakland"), San Francisco, CA, May 2012 - **Best Paper Award**

Experimentally Verifying a Complex Algebraic Attack on the Grain-128 Cipher Using Dedicated Reconfigurable Hardware

Itai Dinur, Tim Güneysu, Christof Paar, Adi Shamir, Ralf Zimmermann - SHARCS 2012 (http://2012.sharcs.org/index.html), 17-18 March 2012, Washington DC, USA

Black-Box Side-Channel Attacks Highlight the Importance of Countermeasures – An Analysis of the Xilinx Virtex-4 and Virtex-5 Bitstream Encryption Mechanism

Amir Moradi, Markus Kasper, Christof Paar - Topics in Cryptology - CT-RSA 2012 - The Cryptographers' Track at the RSA Conference, San Francisco, CA, USA, February 27- March 2, 2012, pages 1-18.

An Experimentally Verified Attack on Full Grain-128 Using Dedicated Reconfigurable Hardware

Itai Dinur, Tim Güneysu, Christof Paar, Adi Shamir, Ralf Zimmermann - Advances in Cryptology - ASIACRYPT 2011 - 17th International Conference on the Theory and Application of Cryptology and Information Security, Seoul, South Korea, December 4-8, 2011

An Efficient Method for Eliminating Random Delays in Power Traces of Embedded Software

Daehyun Strobel, Christof Paar - Information Security and Cryptology - ICISC 2011 - 14th International Conference, Seoul, Korea, November 30 - December 2, 2011

Security of Wireless Embedded Devices in the Real World

Timo Kasper, David Oswald, Christof Paar - Information Security Solutions (ISSE) 2011 - Securing Electronic Business Processes (November 22-23 2011, Prague, Czech Republic)

Wireless security threats: Eavesdropping and detecting of active RFIDs and remote controls in the wild

Timo Kasper, David Oswald, Christof Paar - 19th International Conference on Software, Telecommunications and Computer Networks (SoftCOM)

Praktische Angriffe auf die Bitstromverschlüsselung von Xilinx FPGAs

Markus Kasper, Timo Kasper, Amir Moradi, Christof Paar - Datenschutz und Datensicherheit - DuD - Ausgabe 11/2011 - http://www.dud.de/Ausgabe/2011-11.html

Seitenkanalanalyse kontaktloser SmartCards

Timo Kasper, David Oswald, Christof Paar - Datenschutz und Datensicherheit - DuD - Ausgabe 11/2011 - http://www.dud.de/Ausgabe/2011-11.html

On the Vulnerability of FPGA Bitstream Encryption against Power Analysis Attacks – Extracting Keys from Xilinx Virtex-II FPGAs

Amir Moradi, Alessandro Barenghi, Timo Kasper, Christof Paar - 18th ACM Conference on Computer and Communications Security, CCS 2011, Chicago, IL, USA, October 17-21, 2011, pages 111-124.

Breaking Mifare DESFire MF3ICD40: Power Analysis and Templates in the Real World

David Oswald, Christof Paar - Workshop on Cryptographic Hardware and Embedded Systems, CHES 2011, Nara, Japan, September 28-October 1, 2011, pages 207-222

On the Power of Fault Sensitivity Analysis and Collision Side-Channel Attacks in a Combined Setting

Amir Moradi, Oliver Mischke, Christof Paar, Yang Li, Kazuo Ohta, Kazuo Sakiyama - Cryptographic Hardware and Embedded Systems - CHES 2011 - 13th International Workshop, Nara, Japan, September 28 - October 1, 2011

Masked Dual-Rail Precharge Logic Encounters State-of-the-Art Power Analysis Methods

Amir Moradi, Mario Kirschbaum, Thomas Eisenbarth, Christof Paar - IEEE Transactions on Very Large Scale Integration Systems, Volume 20 , Issue 9, Pages 1578 - 1589, 2012.

Side-Channel Analysis of Cryptographic RFIDs with Analog Demodulation

Timo Kasper, David Oswald, Christof Paar - 7th Workshop on RFID Security and Privacy 2011, RFIDSec 2011, Amherst, USA, June 26–28, 2011

7th Workshop on RFID Security and Privacy (RFIDsec)

A. Juels, K. Fu, Christof Paar - Lecture Notes in Computer Science 7055, Springer, Amherst, MA, USA, June 26-27, 2011.

Practical Evaluation of DPA Countermeasures on Reconfigurable Hardware

Amir Moradi, Oliver Mischke, Christof Paar - HOST 2011, Proceedings of the 2011 IEEE International Symposium on Hardware-Oriented Security and Trust (HOST), 5-6 June 2011, San Diego, California, USA

Side-channel Watermarks for Embedded Software

Georg T. Becker, Wayne Burleson, Christof Paar - 9th IEEE NEWCAS Conference (Invited Paper), NEWCAS 2011, Bordeaux, France, June 2011

Pushing the Limits: A Very Compact and a Threshold Implementation of AES

Amir Moradi, Dipl.-Kfm. Axel Poschmann, San Ling, Christof Paar, Huaxiong Wang - Advances in Cryptology - EUROCRYPT 2011 - 30th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tallinn, Estonia, May 15-19, 2011, volume 6632 of LNCS, pages 69-88, Springer.

The future of high-speed cryptography: new computing platforms and new ciphers

Tim Güneysu, Stefan Heyse, Christof Paar - Proceedings of the 21st ACM Great Lakes Symposium on VLSI 2010, Lausanne, Switzerland, May 2-6, 2011

Side-channel based watermarks for IP Protection

Georg T. Becker, Markus Kasper, Amir Moradi, Christof Paar - COSADE 2010 - First International Workshop on Constructive Side-Channel Analysis and Secure Design

"Modular Integer Arithmetic for Public Key Cryptography". I. Verbauwhede ed. in "Secure Integrated Circuits and Systems"

Tim Güneysu, Christof Paar - Springer US, ISBN: 978-0-387-71827-9, 2010.

Building a Side Channel Based Disassembler

Thomas Eisenbarth, Christof Paar, Björn Weghenkel - Lecture Notes in Computer Science, 2010

A Versatile Framework for Implementation Attacks on Cryptographic and Embedded Devices

Timo Kasper, David Oswald, Christof Paar - Lecture Notes in Computer Science, 2010

DSPs, BRAMs, and a Pinch of Logic: Extended Recipes for AES on FPGAs

S. Drimer, Tim Güneysu, Christof Paar - ACM Transactions on Reconfigurable Technology and Systems (TRETS), Vol. 3. 2010.

Breaking Elliptic Curves Cryptosystems using Reconfigurable Hardware

J. Fan, D. V. Bailey, L. Batina, Tim Güneysu, Christof Paar, I. Verbauwhede - International Conference on Field Programmable Logic and Applications, FPL 2010, August 31 2010 - September 2, 2010, Milano, Italy

High-Performance Integer Factoring with Reconfigurable Devices

Ralf Zimmermann, Tim Güneysu, Christof Paar - International Conference on Field Programmable Logic and Applications, FPL 2010, August 31 2010 - September 2, 2010, Milano, Italy

Breaking Elliptic Curve Cryptosystems using Reconfigurable Hardware

J. Fan, D. V. Bailey, L.Batina, Tim Güneysu, Christof Paar, I. Verbauwhede - IEEE Field Programmable Logic, 133-138, IEEE Computer Society, 2010.

Cloning Cryptographic RFID Cards for 25$

Timo Kasper, Ingo von Maurich, David Oswald, Christof Paar - Presented at the 5th Benelux Workshop on Information and System Security, WisSec 2010, November 29-30, 2010, Nijmegen, the Netherlands.

Chameleon: A Versatile Emulator for Contactless Smartcards

Timo Kasper, Ingo von Maurich, David Oswald, Christof Paar - 13th International Conference on Information Security and Cryptology - ICISC 2010, Seoul, Korea, December 1-3, 2010, volume 6829 of LNCS, pages 189-206, Springer.

Evaluation of SHA-3 Candidates for 8-bit Embedded Processors

Stefan Heyse, Ingo von Maurich, Alexander Wild, Cornel Reuber, Johannes Rave, Thomas Pöppelmann, Christof Paar, Thomas Eisenbarth - 2nd SHA-3 Candidate Conference, August 23-24, 2010, University of California, Santa Barbara, USA.

Differential Cache-Collision Timing Attacks on AES with Applications to Embedded CPUs

Andrey Bogdanov, Thomas Eisenbarth, Christof Paar, M. Wienecke - Topics in Cryptology - CT-RSA 2010, LNCS, Springer-Verlag.

Secure Location Verification - A Security Analysis of GPS Signal Authentication

Georg T. Becker, Sherman C. Lo, David S. De Lorenzo, Per K. Enge, Christof Paar - DBSec 2010, Rome, Italy, June 21-23, 2010, to be published in Springer LNCS.

Side-channel based watermarks for integrated circuits

Georg T. Becker, Markus Kasper, Amir Moradi, Christof Paar - IEEE International Symposium on Hardware-Oriented Security and Trust (HOST 2010), AnaheimCA , USA, 13-14 June 2010.

Practical Power Analysis Attacks on Software Implementations of McEliece

Stefan Heyse, Amir Moradi, Christof Paar - Post-Quantum Cryptography, Third International Workshop, PQCrypto 2010, Darmstadt, Germany, May 25-28, 2010. Proceedings

All You Can Eat or Breaking a Real-World Contactless Payment System

Timo Kasper, Michael Silbermann, Christof Paar - Financial Cryptography and Data Security, 10 January 25-28, 2010, to be published in Springer LNCS.

Transforming Write Collisions in Block RAMs into Security Applications

Tim Güneysu, Christof Paar - Proceedings of the 2009 International Conference on Field-Programmable Technology, FPT 2009, Sydney, Australia, December 9-11, 2009

Lightweight Cryptography and RFID: Tackling the Hidden Overheads

Dipl.-Kfm. Axel Poschmann, Matt Robshaw, Frank Vater, Christof Paar - 7th International ConferenceInternational Conference on Information Security and Cryptology 2009 - ICISC 2009. LNCS, Springer-Verlag, to appear, Seoul, Korea, Dezember 2-4, 2009.

Power Analysis of Single-Rail Storage Elements as used in MDPL

Amir Moradi, Thomas Eisenbarth, Dipl.-Kfm. Axel Poschmann, Christof Paar - 12th International Conference on Information Security and Cryptology - ICISC 2009, Seoul, Korea, December 2-4, 2009.

MOLES: Malicious Off-chip Leakage Enabled by Side-channels

Lang Lin, Wayne Burleson, Christof Paar - ACM/IEEE International Conference on Computer-Aided Design (ICCAD), pp. 117-122, San Jose, 2009.

Efficient Authentication Mechanisms for Navigation Systems – a Radio-Navigation Case Study

Georg T. Becker, Sherman C. Lo, David S. De Lorenzo, Di Qiu, Christof Paar, Per Enge - Proceedings of the 22nd International Technical Meeting of the Satellite Division of the Institute of Navigation (ION GNSS 2009) pp. 901 - 912, September 22-25 2009, Savannah, GA.

Three Years of Evolution: Cryptanalysis with COPACOBANA Special-purpose Hardware for Attacking Cryptographic Systems 2009

Tim Güneysu, Gerd Pfeiffer, Christof Paar, Manfred Schimmler - SHARCS 2009, Lausanne, Switzerland. September 9-10, 2009.

Crypto Engineering: Some History and Some Case Studies

Christof Paar - Workshop on Cryptographic Hardware and Embedded Systems 2009, CHES 2009, Lausanne, Switzerland. September 6-9, 2009.

KeeLoq and Side-Channel Analysis --- Evolution of an Attack

Christof Paar, Thomas Eisenbarth, Markus Kasper, Timo Kasper, Amir Moradi - 6th IEEE Workshop on Fault Diagnosis and Tolerance in Cryptography - FDTC 2009.Lausanne, Switzerland, September 6, 2009.

MicroEliece: McEliece for Embedded Devices

Thomas Eisenbarth, Tim Güneysu, Stefan Heyse, Christof Paar - Cryptographic Hardware and Embedded Systems - CHES 2009, 11th International Workshop, Lausanne, Switzerland, September 6-9, 2009

Trojan Side-Channels: Lightweight Hardware Trojans through Side-Channel Engineering

Lang Lin, Markus Kasper, Tim Güneysu, Christof Paar, Wayne Burleson - Cryptographic Hardware and Embedded Systems - CHES 2009, 11th International Workshop, Lausanne, Switzerland, September 6-9, 2009

A Comparative Study of Mutual Information Analysis under a Gaussian Assumption

Amir Moradi, Nima Mousavi, Christof Paar, Mahmoud Salmasizadeh - 10th International Workshop on Information Security Applications, WISA 2009, Busan, Korea. August 25-27, 2009.

EM Side-Channel Attacks on Commercial Contactless Smartcards using Low-Cost Equipment

Timo Kasper, David Oswald, Christof Paar - 10th International Workshop on Information Security Applications, WISA 2009, Busan, Korea. August 25-27, 2009.

Secure IP-Block Distribution for Hardware Devices

Jorge Guajardo Merchan, Tim Güneysu, Sandeep Kumar, Christof Paar - IEEE International Workshop on Hardware-Oriented Security and Trust, HOST 2009, San Francisco, CA, USA, July 27, 2009

One-touch Financial Transaction Authentication

Daniel V. Bailey, John G. Brainard, Sebastian Rohde, Christof Paar - SECRYPT 2009, Proceedings of the International Conference on Security and Cryptography, Milan, Italy, Juli 7-10, 2009.

New Methods for Cost-Effective Side-Channel Attacks on Cryptographic RFIDs

Timo Kasper, David Oswald, Christof Paar - Workshop on RFID Security 2009, RFIDSec 2009, Leuven, Belgium, 30. Juni - 2.Juli, 2009.

Breaking KeeLoq in a Flash: On Extracting Keys at Lightning Speed

Markus Kasper, Timo Kasper, Amir Moradi, Christof Paar - 2nd International Conference on Cryptology in Africa, Progress in Cryptology - AFRICACRYPT 2009, Gammarth, Tunisia, 21-25 Juni, 2009.

Green Car Security: IT-Sicherheit und Elektromobilität

Christof Paar, Jan Pelzl, Andy Rupp, Kai Schramm, André Weimerskirch - DACH Security 2009, Ruhr-Universität Bochum, Bochum, Germany, Mai, 19-20, 2009.

Cryptography is Feasible on 4-Bit Microcontrollers - A Proof of Concept

Markus Vogt, Dipl.-Kfm. Axel Poschmann, Christof Paar - International IEEE Conference on RFID, Orlando, Florida, USA, April, 27 - 28, 2009.

Design Space Exploration of PRESENT Implementations for FPGAs

Mohamad Sbeiti, Michael Silbermann, Dipl.-Kfm. Axel Poschmann, Christof Paar - Proceedings of the 5th Southern Programmable Logic Conference -- SPL'09, Sao Carlos, Brazil, April 1 - 3, 2009.

Evaluating Resistance of MCML Technology to Power Analysis Attacks Using a Simulation-Based Methodology

Francesco Regazzoni, Thomas Eisenbarth, Dipl.-Kfm. Axel Poschmann, Johann Großschädl, Frank Gurkaynak, Marco Macchetti, Zeynep Toprak, Laura Pozzi, Christof Paar, Yusuf Leblebici, Paolo Ienne - Transactions on Computational Science IV, 2009.

Securing Green Cars: IT Security in Next-Generation Electric Vehicle Systems

Christof Paar, Andy Rupp, Kai Schramm, André Weimerskirch, Wayne Burleson - Accepted at the 2009 Annual Meeting and Exposition of the Intelligent Transportation Society of America.

Understanding Cryptography: A Textbook for Students and Practitioners

Christof Paar, Jan Pelzl - Springer Monograph Series, 2009.

Enhancing COPACOBANA for Advanced Applications in Cryptography and Cryptanalysis

Tim Güneysu, Christof Paar, Gerd Pfeiffer, Manfred Schimmler - FPL 2008, International Conference on Field Programmable Logic and Applications, Heidelberg, Germany, 8-10 September 2008

Fast Hash-Based Signatures on Constrained Devices

Sebastian Rohde, Thomas Eisenbarth, Erik Dahmen, Johannes Buchmann, Christof Paar - Proceedings of the 8th Smart Card Research and Advanced Application IFIP Conference -- CARDIS 2008. September 8-11, 2008.

Ultra-Lightweight Implementations for Smart Devices - Security for 1000 Gate Equivalents

Carsten Rolfes, Dipl.-Kfm. Axel Poschmann, Gregor Leander, Christof Paar - Proceedings of the 8th Smart Card Research and Advanced Application IFIP Conference -- CARDIS 2008. September 8-11, 2008.

On the Power of Power Analysis in the Real World: A Complete Break of the KeeLoq Code Hopping Scheme

Thomas Eisenbarth, Timo Kasper, Amir Moradi, Christof Paar, Mahmoud Salmasizadeh, Mohammad T. Manzuri Shalmani - 28th International Cryptology Conference -- CRYPTO 2008. Santa Barbara, California, USA. August 17-21, 2008.

Hash Functions and RFID Tags: Mind the Gap

Andrey Bogdanov, Gregor Leander, Christof Paar, Dipl.-Kfm. Axel Poschmann, Matthew Robshaw, Yannick Seurin - 10. International Workshop on Cryptographic Hardware and Embedded Systems - CHES 2008, Washington, USA. August 10 - 13, 2008.

Ultra High Performance ECC over NIST Primes on Commercial FPGAs

Tim Güneysu, Christof Paar - Cryptographic Hardware and Embedded Systems - CHES 2008, 10th International Workshop, Washington, D.C., USA, August 10-13, 2008. Proceedings

Sicherheit moderner Funktüröffnersysteme

Thomas Eisenbarth, Timo Kasper, Christof Paar - Datenschutz und Datensicherheit - DuD Volume 32 Ausgabe 8 - August 2008 - http://www.springerlink.com/content/1614-0702/32/8/ - http://www.dud.de/

Fast Multivariate Signature Generation in Hardware: The Case of Rainbow

S. Balasubramanian, Andrey Bogdanov, Andy Rupp, J. Ding, H. W. Carter, Christof Paar - In 19th IEEE International Conference on Application-specific Systems, Architectures and Processors — ASAP 2008, Leuven, Belgium, Juli 2-4, 2008.

Efficient implementation of eSTREAM ciphers on 8-bit AVR microcontrollers

Gordon Meiser, Thomas Eisenbarth, Kerstin Lemke-Rust, Christof Paar - 3rd International Symposium on Industrial Embedded Systems -- SIES 2008. Montpellier - Le Grande Motte, France. Juni 11-13, 2008.

Protecting Multiple Cores in a Single FPGA Design 8/2008

Saar Drimer, Tim Güneysu, Markus G. Kuhn, Christof Paar - Technical Report/Draft, written 5/2008, available on-line.

DSPs, BRAMs and a Pinch of Logic: New recipes for AES on FPGAs

Saar Drimer, Tim Güneysu, Christof Paar - 16th IEEE International Symposium on Field-Programmable Custom Computing Machines, FCCM 2008, 14-15 April 2008, Stanford, Palo Alto, California, USA

Security Requirements Engineering in the Automotive Domain: On Specification Procedures and Implementational Aspects

Christof Paar, Marko Wolf - SICHERHEIT 2008: Sicherheit — Schutz und Zuverlässigkeit, 4. Jahrestagung des Fachbereichs Sicherheit der Gesellschaft für Informatik e.V., Saarbrücken, Germany. Proceedings, LNI, April 2 - 4, 2008.

Comparison of Innovative Signature Algorithms for WSNs

Benedikt Driessen, Dipl.-Kfm. Axel Poschmann, Christof Paar - First ACM Conference on Wireless Network Security, WiSec 2008, Alexandria, Virginia, USA. Proceedings, ACM Press. 31.03 - 02.04 2008.

Security for 1000 Gate Equivalents

Carsten Rolfes, Dipl.-Kfm. Axel Poschmann, Christof Paar - Secure Component and System Identification, SECSI 2008, Berlin, Germany. März, 17-18 2008.

Breaking Legacy Banking Standards with Special-Purpose Hardware

Tim Güneysu, Christof Paar - Financial Cryptography and Data Security, 12th International Conference, FC 2008, Cozumel, Mexico, January 28-31, 2008

Cryptanalysis with COPACOBANA

Tim Güneysu, Timo Kasper, Martin Novotny, Christof Paar, Andy Rupp - IEEE Transactions on Computers, November 2008, vol. 57, no. 11, 2008.

Dynamic Intellectual Property Protection for Reconfigurable Devices

Tim Güneysu, Bodo Möller, Christof Paar - 2007 International Conference on Field-Programmable Technology, ICFPT 2007, Kitakyushu, Japan, December 12-14, 2007

E-Passport: Cracking Basic Access Control Keys

Yifei Liu, Timo Kasper, Kerstin Lemke-Rust, Christof Paar - On the move, OTM2007, Vilamoura, Algarve, Portugal, November 25-30, 2007.

Reconfigurable Trusted Computing in Hardware

Ahmad-Reza Sadeghi, Dries Schellekens, Marko Wolf, Thomas Eisenbarth, Tim Güneysu, Christof Paar - Proceedings of the 2nd ACM Workshop on Scalable Trusted Computing, STC 2007, Alexandria, VA, USA, November 2, 2007

A Survey of Lightweight Cryptography Implementations

Thomas Eisenbarth, Sandeep Kumar, Christof Paar, Dipl.-Kfm. Axel Poschmann, L. Uhsadel - IEEE Design & Test of Computers -- Special Issue on Secure ICs for Secure Embedded Computing vol 24, no 6, pp 522-533, November 2007.

Hardware Optimierte Lightweight Block-Chiffren für RFID- und Sensor-Systeme

Dipl.-Kfm. Axel Poschmann, Christof Paar - INFORMATIK 2007 -- Informatik trifft Logistik, Workshop: "Kryptologie in Theorie und Praxis", 37. Jahrestagung der Gesellschaft für Informatik e. V. (GI), Lecture Notes in Informatics (LNI) P-110, Bremen, Germany, September 27, 2007.

Power Attacks Resistance of Cryptographic S-boxes with added Error Detection Circuits

F. Regazzoni, Thomas Eisenbarth, J. Großsch¨adl, L. Breveglieri, P. Ienne, I. Koren, Christof Paar - In Proceedings of the 21st IEEE International Symposium on Defect and Fault-Tolerance in VLSI Systems (DFT’07), Rome, Italy, September 26-28, 2007.

Analyzing Side Channel Leakage of Masked Implementations with Stochastic Methods

Kerstin Lemke-Rust, Christof Paar - 12th European Symposium On Research In Computer Security (ESORICS 2007), Dresden, Germany, September 24 - 26, 2007.

Gaussian Mixture Models for Higher-Order Side Channel Analysis

Kerstin Lemke-Rust, Christof Paar - Cryptographic Hardware and Embedded Systems - CHES 2007, 9. International Workshop, Vienna, Austria, Proceedings. LNCS, Springer-Verlag, September 10 - 13, 2007.

PRESENT: An Ultra-Lightweight Block Cipher

Andrey Bogdanov, L.R. Knudsen, G. Leander, Christof Paar, Dipl.-Kfm. Axel Poschmann, M.J.B. Robshaw, Y. Seurin, C. Vikkelsoe - Cryptographic Hardware and Embedded Systems - CHES 2007, 9. International Workshop, Vienna, Austria, Proceedings. LNCS, Springer-Verlag, September 10 - 13, 2007.

E-Passport: Cracking Basic Access Control Keys with Copacobana

Yifei Liu, Timo Kasper, Kerstin Lemke-Rust, Christof Paar - Special-purpose Hardware for Attacking Cryptographic Systems, SHARCS Workshop 2007, Vienna, Austria, September 9-10, 2007.

Efficient Hash Collision Search Strategies on Special-Purpose Hardware

Tim Güneysu, Christof Paar, S. Schäge - Research in Cryptology, Second Western European Workshop, WEWoRC 2007, Bochum, Germany, July 4-6, 2007, Revised Selected Papers

Parallel Computing with Low-Cost FPGAs: A Framework for COPACOBANA

Tim Güneysu, Christof Paar, Jan Pelzl, G. Pfeiffer, M. Schimmler, C. Schleiffer - Parallel Computing: Architectures, Algorithms and Applications, ParCo 2007, Forschungszentrum Jülich and RWTH Aachen University, Germany, 4-7 September 2007

A State-of-the-art Elliptic Curve Cryptographic Processor Operating in the Frequency Domain

S. Baktir, Sandeep Kumar, Christof Paar, B. Sunar - Mobile Networks and Applications (MONET) Journal, Special Issue on Next Generation Hardware Architectures for Secure Mobile Computing, vol 12, no 4, pp 259-270, September 2007.

A Simulation-Based Methodology for Evaluating the DPA-Resistance of Cryptographic Functional Units with Application to CMOS and MCML Technologies

F. Regazzoni, S. Badel, Thomas Eisenbarth, J. Großsch¨adl, Dipl.-Kfm. Axel Poschmann, Z. Toprak, M. Macchetti, L. Pozzi, Christof Paar, Y. Leblebici, P. Ienne - in Proceedings of International Conference on Embedded Computer Systems: Architectures, Modeling, and Simulation (SAMOS IC 07), Samos, Greece, 16-19 July 2007.

A Lightweight Hardware Implementation of the Stream Cipher VEST-4

Timo Grendrullis, Timo Kasper, Christof Paar - Western European Workshop on Research in Cryptology, WeWORC Workshop 2007, Bochum, Germany, July 4-6, 2007.

Efficient Hash Collision Search Strategies on Special-Purpose Hardware

Tim Güneysu, Christof Paar, Sven Schäge - Research in Cryptology, Second Western European Workshop, WEWoRC 2007, Bochum, Germany, July 4-6, 2007, Revised Selected Papers

Enabling Full-Size Public-Key Algorithms on 8-bit Sensor Nodes

Leif Uhsade, Dipl.-Kfm. Axel Poschmann, Christof Paar - European Workshop on Security and Privacy in Ad hoc and Sensor Networks 2007 (ESAS 2007), Cambridge, UK July 2-3, 2007.

An Efficient General Purpose Elliptic Curve Cryptography Module for Ubiquitous Sensor Networks

Leif Uhsadel, Dipl.-Kfm. Axel Poschmann, Christof Paar - Software Performance Enhancement for Encryption and Decryption (SPEED 2007), Amsterdam, NL Juni 11-12, 2007

Performance Analysis of Contemporary Light-Weight Block Ciphers on 8-bit Microcontrollers

Sören Rinne, Thomas Eisenbarth, Christof Paar - Software Performance Enhancement for Encryption and Decryption (SPEED 2007), Amsterdam, NL Juni 11-12, 2007

New Protection Mechanisms for Intellectual Property in Reconfigurable Logic

Tim Güneysu, Bodo Möller, Christof Paar - IEEE Symposium on Field-Programmable Custom Computing Machines, FCCM 2007, 23-25 April 2007, Napa, California, USA

An Embedded System for Practical Security Analysis of Contactless Smartcards

Timo Kasper, Dario Carluccio, Christof Paar - Workshop in Information Security Theory and Practices 2007, Springer LNCS 4462, pp. 150-160, Heraklion, Crete, Greece, Mai 2007.

New Lightweight Crypto Algorithms for RFID

G. Leander, Christof Paar, Dipl.-Kfm. Axel Poschmann, Kai Schramm - IEEE International Symposium on Circuits and Systems - ISCAS 2007, New Orleans, Louisana, USA, Mai 27-30, 2007.

New Lightweight DES Variants

G. Leander, Christof Paar, Dipl.-Kfm. Axel Poschmann, Kai Schramm - Fast Software Encryption 2007 - FSE 2007, Luxembourg City, Luxembourg, März 26-28, 2007.

Software Implementation of eSTREAM Profile I Ciphers on embedded 8-bit AVR Microcontrollers

G. Meiser, Thomas Eisenbarth, Kerstin Lemke-Rust, Christof Paar - The State of the Art of Stream Ciphers - SASC 2007, Bochum, NRW, Germany, Januar 31- Februar 1, 2007

Embedded security in a pervasive world

Christof Paar, André Weimerskirch - Elsevier Science’s Information Security Technical Report, vol 12, no 3, pp 155-161, 2007.

A Compact Implementation of Edon80

Markus Kasper, Sandeep Kumar, Kerstin Lemke-Rust, Christof Paar - The eSTREAM Project - eSTREAM Phase 3

Breaking Ciphers with COPACOBANA - A Cost-Optimized Parallel Code Breaker

Sandeep Kumar, Christof Paar, Jan Pelzl, G. Pfeiffer, M. Schimmler - Cryptographic Hardware and Embedded Systems - CHES 2006, 8th International Workshop, Yokohama, Japan, Proceedings. LNCS, Springer-Verlag, Oktober 10 - 13, 2006.

Templates vs. Stochastic Methods

Benedikt Gierlichs, Kerstin Lemke-Rust, Christof Paar - Cryptographic Hardware and Embedded Systems - CHES 2006, 8th International Workshop, Yokohama, Japan, Oktober 10 - 13, 2006.

Optimum Digit Serial GF(2^m) Multipliers for Curve Based Cryptography

Sandeep Kumar, Thomas Wollinger, Christof Paar - IEEE Transactions on Computers, Volume 55, Issue 10, pp. 1306-1311, October 2006.

Efficient Hardware Implementation of Finite Fields with Applications to Cryptography

Jorge Guajardo Merchan, Tim Güneysu, Sandeep Kumar, Christof Paar, Jan Pelzl - Acta Applicandae Mathematicae: An International Survey Journal on Applying Mathematics and Mathematical Applications, Volume 93, Numbers 1-3, pp. 75-118, September 2006.

Efficient Software-Implementation of Finite Fields with Applications to Cryptography

Jorge Guajardo Merchan, Sandeep Kumar, Christof Paar, Jan Pelzl - Acta Applicandae Mathematicae: An International Survey Journal on Applying Mathematics and Mathematical Applications, Volume 93, Numbers 1-3, pp. 3-32, September 2006.

E-Passport: The Global Traceability or How to Feel Like an UPS Package

Dario Carluccio, Kerstin Lemke-Rust, Christof Paar, Ahmad-Reza Sadeghi - 7th International Workshop on Information Security Applications (WISA 2006), Jeju Island, Korea, August 28-30, 2006.

A Family of Light-Weight Block Ciphers Based on DES Suited for RFID Applications

Dipl.-Kfm. Axel Poschmann, Gregor Leander, Kai Schramm, Christof Paar - Workshop on RFID Security 2006, Graz, Austria, Juli 2006.

E-Passport: The Global Traceability or How to Feel Like an UPS Package

Dario Carluccio, Kerstin Lemke-Rust, Christof Paar, Ahmad-Reza Sadeghi - Workshop on RFID Security 2006, Graz, Austria, Juli 2006.

Are standards compliant elliptic curve cryptosystems feasible on RFID?

Sandeep Kumar, Christof Paar - Workshop on RFID Security 2006, Graz, Austria, Juli 2006.

A Configuration Concept for a Massive Parallel FPGA Architecture

Sandeep Kumar, Christof Paar, Jan Pelzl, G. Pfeiffer, M. Schimmler - International Conference on Computer Design - CDES'06, Las Vegas,USA, Juni 26-29, 2006.

A Parallel Hardware Architecture for fast Gaussian Elimination over GF(2)

Andrey Bogdanov, M. Mertens, Christof Paar, Jan Pelzl, Andy Rupp - IEEE Symposium on Field-Programmable Custom Computing Machines, FCCM 2006, Napa, CA, USA, April 24-26, 2006.

COPACOBANA - A Cost-Optimized Special-Purpose Hardware for Code-Breaking

Sandeep Kumar, Christof Paar, Jan Pelzl, G. Pfeiffer, M. Schimmler - poster summary, IEEE Symposium on Field-Programmable Custom Computing Machines, FCCM 2006, Napa, CA,USA, April 24-26, 2006.

On the Security of Elliptic Curve Cryptosystems against Attacks with Special-Purpose Hardware

Tim Güneysu, Christof Paar, Jan Pelzl - 2nd Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2006, Cologne, Germany, April 3-4, 2006,.

How to Break DES for Euro 8,980

Sandeep Kumar, Christof Paar, Jan Pelzl, G. Pfeiffer, Andy Rupp, M. Schimmler - 2nd Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2006, Cologne, Germany, April 3-4, 2006.

SMITH - A Parallel Hardware Architecture for fast Gaussian Elimination over GF(2)0

Andrey Bogdanov, M. Mertens, Christof Paar, Jan Pelzl, Andy Rupp - 2nd Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2006, Cologne, Germany, April 3-4, 2006.

Seitenkanal-Analysen: Stand der Forschung in der Methodik

Kerstin Lemke-Rust, Christof Paar - D-A-CH Security 2006, Universität Düsseldorf, 28.-29. März 2006.

Higher Order Masking of the AES. CT-RSA 2006, The Cryptographers' Track

Kai Schramm, Christof Paar - at the RSA Conference 2006, San Jose, CA, USA, February 13-17, 2006, Proceedings. Lecture Notes in Computer Science 3860, Springer 2006.

Testing Framework for eSTREAM Profile II Candidates

L. Batina, Sandeep Kumar, J. Lano, Kerstin Lemke-Rust, N. Mentens, Christof Paar, B. Preneel, K. Sakiyama, I. Verbauwhede - SASC 2006 - Stream Ciphers Revisited, Leuven, Belgium, February 2-3, 2006

Embedded Security in Cars

Kerstin Lemke-Rust, Christof Paar, Marko Wolf - Springer Monograph Series, 2006.

Generalizations of the Karatsuba Algorithm for Efficient Implementations

André Weimerskirch, Christof Paar - Cryptology ePrint Archive: Report 2006/224.

Area-Time Efficient Hardware Architecture for Factoring Integers with the Elliptic Curve Method

Jan Pelzl, M. Simka, T. Kleinjung, J. Franke, C. Priplata, C. Stahlke, M. Drutarovsky, V. Fischer, Christof Paar - IEE Proceedings on Information Security, Special Issue on Cryptographic Algorithms and Architectures for System-on-Chip, pp.67-78, vol. 152, No.1, October, 2005.

Cryptographic Component Identification: Enabler for Secure Vehicles

Katrin Höper, Christof Paar, André Weimerskirch, Marko Wolf - 62nd IEEE Semiannual Vehicular Technology Conference (VTC Fall 2005), Dallas, Texas, USA. Proceedings, IEEE Press. September 25 - 28, 2005.

A Stochastic Model for Differential Side Channel Cryptanalysis

Werner Schindler, Kerstin Lemke-Rust, Christof Paar - Cryptographic Hardware and Embedded Systems - - CHES 2005, 7th International Workshop, Edinburgh, UK. August 29 - September 1, 2005.

SHARK - A Realizable Hardware Architecture for Factoring 1024-bit Composites with the GNFS

J. Franke, T. Kleinjung, Christof Paar, Jan Pelzl, C. Priplata, C. Stahlke - Cryptographic Hardware and Embedded Systems - - CHES 2005, 7th International Workshop, Edinburgh, UK, Proceedings. LNCS 3659, Springer-Verlag, August 29 - September 1, 2005.

Efficient Hardware Architectures for Modular Multiplication on FPGAs

D. Amanor, V. Bunimov, Christof Paar, Jan Pelzl - International Conference on Field Programmable Logic, Reconfigurable Computing and Applications, FPL 2005, Tampere, Finland, August 24-28, 2005.

Cantor versus Harley: Optimization and Analysis of Explicit Formulae for Hyperelliptic Curve Cryptosystem

Thomas Wollinger, Jan Pelzl, Christof Paar - IEEE Transactions on Computers, Vol. 54, No. 7, pp. 861-872, July 2005.

An Instruction-Level Distributed Processor for Symmetric-Key Cryptography

A. Elbirt, Christof Paar - IEEE Transactions on Parallel and Distributed Systems, vol. 16, no. 5, pp. 468-480, May, 2005.

Hardware Factorization Based Elliptic Curve Method

M. Simka, Jan Pelzl, T. Kleinjung, J. Franke, C. Priplata, C. Stahlke, M. Drutarovsky, V. Fischer, Christof Paar - IEEE Symposium on Field-Programmable Custom Computing Machines, FCCM 2005, Napa, CA, USA, April 17-20, 2005.

Digital Rights Management Systeme (DRMS) als Enabling Technology im Automobil

Christof Paar, André Weimerskirch, Marko Wolf - Sicherheit 2005, Regensburg, Germany. Proceedings, LNI. April 5 - 9, 2005.

Performance of HECC Coprocessors Using Inversionfree Formulae

Thomas Wollinger, G. Bertoni, L. Breveglieri, Christof Paar - International Workshop on Information Security & Hiding (ISH '05) part of the International Conference on Computational Science and its Applications (ICCSA 2005), Singapore, May 9-12, 2005.

An Efficient Hardware Architecture for Factoring large Numbers with the Elliptic Curve Method

J. Franke, T. Kleinjung, Christof Paar, Jan Pelzl, C. Priplata, M. Simka, C. Stahlke - 1st Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2005, Paris, France, February 24-25, 2005.

SHARK - A Realizable Hardware Architecture for Factoring 1024-bit Composites with the GNFS

J. Franke, T. Kleinjung, Christof Paar, Jan Pelzl, C. Priplata, C. Stahlke - 1st Workshop on Special-purpose Hardware for Attacking Cryptographic Systems - SHARCS 2005, Paris, France, February 24-25, 2005.

Encyclopedia of Cryptography and Security

Christof Paar - Advisory Board Member of the "Encyclopedia of Cryptography and Security", responsible for cryptographic implementation entries, Kluwer-Springer, 2005.

IEE Proceedings on Computer & Digital Techniques

M. McLoone, Christof Paar, R. Woods (Eds.) - Special Issue on Cryptographic Algorithms and Architectures for System-on-Chip, 2005.

Optimal Tower Fields for Hyperelliptic Curve Cryptosystems

Selcuk Baktir, Jan Pelzl, Thomas Wollinger, Berk Sunar, Christof Paar - 38th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, California, USA, November 7-10, 2004.

Some Thoughts about Implementation Properties of Stream Ciphers

Sandeep Kumar, Kerstin Lemke-Rust, Christof Paar - SASC - State of the Art of Stream Ciphers Workshop, Brugge, Belgium, October 14-15, 2004.

Security in Automotive Bus Systems

Christof Paar, André Weimerskirch, Marko Wolf - Automotive — Safety & Security 2004, Stuttgart, Germany. Proceedings. October 6 - 7, 2004.

Architectural Support for Arithmetic in Optimal Extension Fields

Johann Großschädl, Sandeep Kumar, Christof Paar - IEEE 15th International Conference on Application-specific Systems, Architectures and Processors (ASAP) 2004, Galveston, Texas, September 27-29, 2004.

Reconfigurable Instruction Set Extension for enabling ECC on an 8-bit Processor

Sandeep Kumar, Christof Paar - International Conference on Field-Programmable Logic and Applications (FPL) 2004, Antwerp, Belgium, August 30 - September 1, 2004.

A Collision-Attack on AES Combining Side Channel- and Differential-Attack

Kai Schramm, Gregor Leander, Patrick Felke, Christof Paar - Cryptographic Hardware and Embedded Systems - CHES 2004, 6th International Workshop, Cambridge, MA, USA, August, 2004.

DPA on n-bit sized Boolean and Arithmetic Operations and its Application to IDEA, RC6 and the HMAC-Construction

Kerstin Lemke, Kai Schramm, Christof Paar - Cryptographic Hardware and Embedded Systems - CHES 2004, 6th International Workshop, Cambridge, MA, USA, August 2004

Hyperelliptic Curve Coprocessors on a FPGA

H. Kim, Thomas Wollinger, Y. Choi, K. Chung, Christof Paar - Workshop on Information Security Applications - WISA, Jeju Island, Korea, August 23-25, 2004.

Elliptic and hyperelliptic curves on embedded µP

Thomas Wollinger, Jan Pelzl, V. Wittelsberger, Christof Paar, G. Saldamli, C. Koc - ACM Transactions in Embedded Computing Systems, Vol 3, No 3, pp 509-533, August 2004.

Security on FPGAs: State-of-the-art implementations and attacks

Thomas Wollinger, Jorge Guajardo Merchan, Christof Paar - ACM Transactions in Embedded Computing Systems, Vol 3, No 3, pp 534-574, August 2004.

Case Study: Compiler Comparison for an Embedded Cryptographical Application

E. Barteska, Christof Paar, Jan Pelzl, V. Wittelsberger, Thomas Wollinger - The 2004 International Conference on Embedded Systems and Applications - ESA 2004, Las Vegas, Nevada, USA, June 21-24, 2004

Finding Optimum Parallel Coprocessor Design for Genus 2 Hyperelliptic Curve Cryptosystems

G. Bertoni, L. Breveglieri, Thomas Wollinger, Christof Paar - International Conference on Information Technology: Coding and Computing - ITCC, Las Vegas, Nevada, USA, April 5-7, 2004.

High Performance Arithmetic for Hyperelliptic Curve Cryptosystems of Genus Two

Jan Pelzl, Thomas Wollinger, Christof Paar - International Conference on Information Technology: Coding and Computing - ITCC, Las Vegas, Nevada, USA, April 5-7, 2004.

Eingebettete Sicherheit: State-of-the-art

Christof Paar, Jan Pelzl, Kai Schramm, André Weimerskirch, Thomas Wollinger - D-A-CH Security 2004, University of Basel, March 30-31, 2004.

Embedded Security in Automobilanwendungen

Christof Paar - (Embedded Security in Automotive Applications, in German), Elektronik Automotive, January, 2004.

European Workshop on Security in Ad-hoc and Sensor Networks (ESAS 2004)

C. Castelluccia, H. Hartenstein, Christof Paar, D. Westhoff (Eds.) - Lecture Notes in Computer Science Heidelberg 3313, Heidelberg, Germany, 2004.

Security aspects of FPGAs in cryptographic applications

Thomas Wollinger, Christof Paar - chapter in "New Algorithms, Architectures, and Applications for Reconfigurable Computing", Wolfgang Rosenstiel and Patrick Lysaght (eds.), Kluwer, 2004.

Embedded End-to-End Wireless Security with ECDH Key Exchange

Sandeep Kumar, Marco Girimondo, André Weimerskirch, Christof Paar, Arun Patel, Arvinderpal S.Wander - 46th IEEE Midwest Symposium On Circuits and Systems, Cairo , Egypt, December 27-30, 2003.

Proceedings of the Workshop on Cryptographic Hardware and Embedded Systems (CHES 2003)

C. Walter, C. Koc, Christof Paar - Lecture Notes in Computer Science 2779, Springer Verlag, Cologne, Germany, September 08-10, 2003.

Eingebettete Sicherheit und Kryptographie im Automobil: Eine Einführung

Christof Paar, Thomas Wollinger - (Embedded Security and Cryptography in Automobiles: An Introduction, in German), Informatik 2003, Workshop: Automotive SW Engineering & Concepts, 33. Annual Meeting of the GI, Frankfurt/M., September 29 - October 2, 2003.

Hyperelliptic Curve Cryptosystems: Closing the Performance Gap to Elliptic Curves

Jan Pelzl, Thomas Wollinger, Jorge Guajardo Merchan, Christof Paar - Workshop on Cryptographic Hardware and Embedded Systems - CHES, September 7-10, 2003.

How Secure Are FPGAs in Cryptographic Applications? (Long Version)

Thomas Wollinger, Christof Paar - IACR, http://eprint.iacr.org, cryptology, ePrint archive: Report 2003/119, Juni 5, 2003.

Efficient GF(pm) Arithmetic Architectures for Cryptographic Applications

G. Bertoni, Jorge Guajardo Merchan, Sandeep Kumar, G. Orlando, Christof Paar, Thomas Wollinger - In Marc Joye (Ed.): The Cryptographers' Track at the RSA Conference - CT-RSA 2003, volume LNCS 2612, pp. 158-175, San Francisco, CA, USA, April 13-17, 2003.

IEEE Transactions on Computers

C. Koc, Christof Paar - Special issue on cryptographic hardware and embedded systems, April, 2003.

Cryptography on FPGAs: State of the Art Implementations and Attacks

Thomas Wollinger, Jorge Guajardo Merchan, Christof Paar - to appear in the special issue on Embedded Systems and Security of the ACM Transactions in Embedded Computing Systems (TECS), March, 2003.

Elliptic & Hyperelliptic Curves on Embedded µP

Thomas Wollinger, Jan Pelzl, V. Wittelsberger, Christof Paar, G. Saldamli, C. Koc - to appear in the special issue on Embedded Systems and Security of the ACM Transactions in Embedded Computing Systems (TECS), March, 2003.

A New Class of Collision Attacks and its Application to DES

K. Schramm, Thomas Wollinger, Christof Paar - In proceedings of Fast Software Encryption 2003 (FSE), pp. 217-230, Lund, Sweden, February 24-26, 2003.

Cryptography in Embedded Systems: An Overview

Thomas Wollinger, Jorge Guajardo Merchan, Christof Paar - (Invited Paper), In proceedings of the Embedded World 2003 Exhibition and Conference, pp.735-744, Design & Elektronik, Nuernberg, Germany, February 18-20, 2003.

Hardware Architectures proposed for Cryptosystems Based on Hyperelliptic Curves

Thomas Wollinger, Christof Paar - 9th IEEE International Conference on Electronics, Circuits and Systems - ICECS 2002, Dubrovnik, Croatia, September 15-18, 2002.

Proceedings of the Workshop on Cryptographic Hardware and Embedded Systems (CHES 2002)

B. Kaliski, C. Koc, Christof Paar - Lecture Notes in Computer Science 2523, Springer Verlag, San Francisco Bay (Redwood City), USA, August 13-15, 2002.

Area Efficient GF(p) Architectures for GF(pm) Multipliers

Jorge Guajardo Merchan, Thomas Wollinger, Christof Paar - In proceedings of the 45th IEEE International Midwest Symposium on Circuits and Systems - MWSCAS 2002, Tulsa, Oklahoma, August 4-7, 2002.

Itoh-Tsujii Inversion in Standard Basis and Its Application in Cryptography and Codes

Jorge Guajardo Merchan, Christof Paar - Designs, Codes and Cryptography, 25, pp. 207-216, 2002.

An FPGA-Based Performance Evaluation of the AES Block Cipher Candidate Algorithm Finalists

A. Elbirt, W. Yip, B. Chetwynd, Christof Paar - IEEE Transactions on VLSI, vol. 9, no. 4, pp. 545, August, 2001.

Elliptic Curve Cryptography on a Palm OS Device

André Weimerskirch, Christof Paar, S. Chang Shantz - Presented at The 6th Australasian Conference on Information Security and Privacy (ACISP 2001), Sydney, Australia, July 11-13 2001.

High Radix Montgomery Modular Exponentiation on Reconfigurable Hardware

T. Blum, Christof Paar - IEEE Transactions on Computers, vol 50, no. 7, pp. 759-764, July, 2001.

A scalable GF(p) elliptic curve processor architecture for programmable hardware"

G. Orlando, Christof Paar - Cryptographic Hardware and Embedded Systems, CHES 2001, Paris, France, May 14-16, 2001.

Proceedings of the Workshop on Cryptographic Hardware and Embedded Systems (CHES 2001)

C. Koc, D. Naccache, Christof Paar - Lecture Notes in Computer Science 2162, Springer Verlag, Paris, France, May 14-16, 2001.

Efficient Implementation of Elliptic Curve Cryptosystems on the TI MSP430x33x Family of Microcontrollers

Jorge Guajardo Merchan, R. Bluemel, U. Krieger, Christof Paar - Presented at the International Workshop on Practice and Theory in Public Key Cryptography (PKC 2001), Cheju Island, Korea, February 13-15, 2001.

Efficient Arithmetic in Finite Field Extensions with Application in Elliptic Curve Cryptography

D. Bailey, Christof Paar - Journal of Cryptology, vol. 14, no. 3, pp. 153-176 , 2001.

Elliptic Curve Cryptography on Smart Cards Without Coprocessors

A. Woodbury, D. Bailey, Christof Paar - Presented at the Fourth Smart Card Research and Advanced Applications (CARDIS 2000) Conference, Bristol, UK, September 20-22, 2000.

A high-performance reconfigurable elliptic curve processor for GF(2m)

G. Orlando, Christof Paar - Cryptographic Hardware and Embedded Systems, CHES 2000, Worcester MA, USA, August 17-18, 2000.

Proceedings of the Workshop on Cryptographic Hardware and Embedded Systems (CHES 2000)

C. Koc, Christof Paar - Lecture Notes in Computer Science 1965, Springer Verlag, Worcester Polytechnic Institute, Worcester, USA, August 17-18, 2000.

Squaring Architecture for GF(2^m) and its Applications in Cryptographic Systems

G. Orlando, Christof Paar - Electronic Letters, vol. 36, no. 13, pp. 1116-1117, June, 2000.

An FPGA Implementation and Performance Evaluation of the AES Block Cipher Candidate Algorithm Finalists

A. J. Elbirt, W. Yip, B. Chetwynd, Christof Paar - The Third Advanced Encryption Standard (AES3) Candidate Conference, New York, USA, April 13-14, 2000.

How Well Are High-End DSPs Suited for the AES Algorithms? AES Algorithms on the TMS320C6x DSP

Thomas Wollinger, M. Wang, Jorge Guajardo Merchan, Christof Paar - The Third Advanced Encryption Standard (AES3) Candidate Conference, New York, USA, April 13-14, 2000.

An FPGA Implementation and Performance Evaluation of the Serpent Block Cipher

A. Elbirt, Christof Paar - Eighth ACM International Symposium on Field-Programmable Gate Arrays, Monterey, California, February 10-11, 2000.

Algorithmenunabhängige Krypto-Hardware

Christof Paar - (Algorithm Independent Crypto Hardware, in German), Datenschutz und Datensicherheit, vol. 23, no. 10, pp. 562-564, October, 1999.

DES auf FPGAs

J.-P. Kaps, Christof Paar - (DES on FPGAs, in German) Datenschutz und Datensicherheit, vol. 23, no. 10, pp. 565-569, October, 1999.

Fast Arithmetic for Public-Key Algorithms in Galois Fields with Composite Exponents

Christof Paar, P. Fleischmann, P. Soria-Rodriguez - IEEE Transactions on Computers, vol. 48, no. 10, pp. 1025-1034, October, 1999.

An Algorithm-Agile Cryptographic Co-processor Based on FPGAs

Christof Paar, B. Chetwynd, T. Connor, S. Y. Deng, S. Marchant - The SPIE's Symposium on Voice, Video, and Data Communications, Boston, MA, September 19-22, 1999

Towards an FPGA Architecture Optimized for Public-Key Algorithms

A. Elbirt, Christof Paar - The SPIE's Symposium on Voice, Video, and Data Communications, Boston, MA. September 19-22, 1999.

Proceedings of the Workshop on Cryptographic Hardware and Embedded Systems (CHES ’99)

C. Koc, Christof Paar - "", Lecture Notes in Computer Science 1717, Springer Verlag, Worcester Polytechnic Institute, Worcester, USA, August 12-13, 1999.

Cryptography in Modern Communication Systems (Extended Abstract)

Daniel V. Bailey, William Cammack, Jorge Guajardo Merchan, Christof Paar - Invited presentation at TI DSPS FEST '99, Houston, Texas, USA, 1999

A Super-Serial Galois Field Multiplier for FPGAs and its Application to Public-Key Algorithms

G. Orlando, Christof Paar - Seventh Annual IEEE Symposium on Field-Programmable Custom Computing Machines (FCCM 99), Napa Valley, CA, April 21-23, 1999.

Montgomery Modular Multiplication on Reconfigurable Hardware"

T. Blum, Christof Paar - 14th IEEE Symposium on Computer Arithmetic (ARITH-14), Adelaide, Australia, April 14-16, 1999.

Optimal Extension Fields for Fast Arithmetic in Public-Key Algorithms

D. Bailey, Christof Paar - CRYPTO '98, Santa Barbara, CA, USA, August 23-27, 1998

Fast Inversion in Composite Galois Fields GF((2n)m)

Jorge Guajardo Merchan, Christof Paar - 1998 IEEE International Symposium on Information Theory, MIT, Cambridge, MA, USA, August 16-21, 1998.

Fast DES Implementation for FPGAs and its Application to a Universal Key-Search Machine

J.-P. Kaps, Christof Paar - 5th Annual Workshop on Selected Areas in Cryptography (SAC '98), Queen's University, Kingston, Ontario, Canada, August 17-18, 1998.

Efficient Multiplier Architectures for Galois Fields GF((2^n)^4)

Christof Paar, P. Fleischmann, P. Roelse - IEEE Transactions on Computers, vol. 47, no. 2, pp. 162-170, February 1998.

Efficient Algorithms for Elliptic Curve Cryptosytems

Jorge Guajardo Merchan, Christof Paar - CRYPTO '97, Santa Barbara, CA, USA, August 17-21, 1997.

On Efficient Inversion in Tower Fields of Characteristic Two

J.L. Fan, Christof Paar - 1997 IEEE International Symposium on Information Theory, Ulm, Germany, June 29 - July 4, 1997.

Optimized Arithmetic for Reed-Solomon Encoders

Christof Paar - 1997 IEEE International Symposium on Information Theory, Ulm, Germany, June 29 - July 4, 1997.

Fast Arithmetic Architectures for Public-Key Algorithms over Galois Fields GF((2n)m)

Christof Paar, P. Soria-Rodriguez - EUROCRYPT '97, Konstanz, Germany, May 11-15, 1997.

Comparison of Arithmetic Architectures for Reed-Solomon Decoders in Reconfigurable Hardware

Christof Paar, M. Rosner - Fifth Annual IEEE Symposium on Field-Programmable Custom Computing Machines "FCCM '97", Nappa Valley, CA, USA, April 16-18, 1997.

Securing ATM

G. Haskins, Christof Paar, S. Dempsey - 1997 RSA Data Security Conference, San Francisco, CA, USA, January 28-31, 1997.

A New Architecture for a Parallel Finite Field Multiplier with Low Complexity Based on Composite Fields

Christof Paar - IEEE Transactions on Computers, vol. 45, no. 7, pp. 856-861, July, 1996.

Recent Developments in Digital Wireless Network Security

G. Pierce, Christof Paar - Massachusetts Telecommunication Council and UMass Technical Conference on Telecommunications, Lowell, March, 1996.

Some Remarks on Efficient Inversion in Finite Fields

Christof Paar - 1995 IEEE International Symposium on Information Theory, Whistler, B.C. Canada, September, 1995.

A Comparitive VLSI Synthesis of Finite Field Multipliers

Christof Paar, N. Lange - 3rd International Symposium on Communication Theory and its Applications, Lake District, UK, July, 1995.

Implementation of a Reprogrammable Reed-Solomon Decoder over GF(216) on a Digital Signal Processor with External Arithmetic Unit

Christof Paar, O. Hooijen - Fourth International European Space Agency (ESA) Workshop on Digital Signal Processing Techniques Applied to Space Communications, King's College, London, September, 1994.

Low Complexity Parallel Multipliers for Galois Fields GF((2n)4) Based on Special Types of Primitive Polynomials

Christof Paar - 1994 IEEE International Symposium on Information Theory, Trondheim, Norway, June, 1994

Chair for Embedded Security

Chair

Prof. Dr.-Ing. Chris­tof Paar