People - Adlmannseder-Lebic, Regina - Blauensteiner, Melanie - Bloem, Roderick - Bratko, Dieter - Bratko, Harald - Eichlseder, Maria - Fitzek, Andreas - Gebetsroither, Michael - Haas, Birgit - Hanser, Christian - Hein, Daniel - Hofferek, Georg - Hutter, Michael - Ibrahim, Sharif - Jacobs, Swen - Könighofer, Bettina - Könighofer, Robert - Kellner, Tobias - Khalimov, Ayrat - Korak, Thomas - Kreuzhuber, Sandra - Krnjic, Vesna - Lanz, Konrad - Leitold, Herbert - Lenz, Thomas - Lipp, Peter - Marsalek, Alexander - Mendel, Florian - Piewald, Martina Anna - Pirker, Martin - Posch, Karl Christian - Posch, Reinhard - Röck, Franz - Rath, Christof - Reimair, Florian - Roth, Simon - Schallar, Manuel - Schläffer, Martin - Schmidt, Jörn-Marc - Slamanig, Daniel - Spreitzer, Raphael - Stranacher, Klaus - Suzic, Bojan - Tauber, Arne - Teufl, Peter - Toegl, Ronald - Tretter-Dragovic, Michaela - Wagner, Christian - Weber, Philip - Wenger, Erich - Winter, Johannes - Zefferer, Thomas - Zwattendorfer, Bernd News Events How To Reach Us Jobs Privacy Policy

You are here: Start » About IAIK » People »

Although not anymore directly involved with IAIK, our alumni definitely deserve credit. They all have moved on with their career and went for other challenges. We are grateful for their contribution to IAIK's success.

Christian Rechberger (ALUMNI)

Research Interests

Cryptanalysis and Design of Hash Functions and Related Primitives
my favorite number is currently 64, 70, 80, see here to find out why
also check out Grøstl, our submission to the SHA-3 competition.
Efficient Implementation of Cryptographic Algorithms / RFID Security
Side-Channel Analysis and Countermeasures
E-Government, Electronic Identity and IT-Security

Professional Activities

Leader of the ECRYPT2 work group on hash functions
Project officer for BCRYPT at Graz University of Technology
Member of the IACR
Reviewer for all major conferences and journals in this area
Program committee member of e.g. FSE 2010, Eurocrypt 2009, FSE 2009, Indocrypt 2008, IS2007
Program chair of WEWoRC 2009

Resources

I maintain or co-maintain:

The AES Lounge
The eHash wiki featuring
- The Hash Function Zoo
- The SHA-3 Zoo

Teaching

Lecturing
2008/2009	Lecturer of Applied Cryptography 2
2008	Lecturer at 3rd ECRYPT Summer School on Advanced Topics in Cryptography, 2008
2007/2008	Lecturer of Applied Cryptography 2
2007	Teaching Assistant of Applied Cryptography 1
2007	Lecturer at ECRYPT PhD Summer School on Emerging Topics in Cryptographic Design and Cryptanalysis
2006	Teaching Assistant of Applied Cryptography 1

Master Thesis and Student Projects Mentoring
2009	Thomas Hodanek, "Cryptanalysis of Reduced MD6", Master thesis
2009	Jürgen Windhaber, "GPU Implementation Techniques for Collision Search", Master thesis
2008	Zoran Milinkovic, "Implementations of a SHA-3 candidate", Master thesis
2008	Jürgen Windhaber, "Efficient Implementations of Grindahl Hash Functions on an ATmega 163 microcontroller", Master project
2006	Wolfgang Sailer-Kronlachner, "Visualisierung kryptographischer Algorithmen", Bachelor project
2006	Birgit Hofer, "Visualisierung kryptanalytischer Algorithmen", Bachelor project
2005/2006	Michael Hofmann, "Hardware Hashcracker", Master project
2005/2006	Joachim Lechner, Markus Tatzgern, "Crypto Cracking Suite", Master project
2004/2005	Christoph Bouvier, Michael Steinkogler, "WEP Attack", Master project

Publications

I publish and present my reserach mainly at conferences. Most of them are highly competetive (with acceptance rates as low as 10 percent) and under the umbrella of the IACR (International Association for Cryptologic Research).

Below is a list of journal and conference publications automatically generated from the TU-Graz database. Alternatively, for a slightly different subset, visit the DBLP Computer Science Bibliography For a list of talks, refer to this.

Publications

Article
2008	Mario Lamberger, Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"Analysis of the Hash Function Design Strategy called SMASH"* - IEEE transactions on information theory (Volume: 54)
2008	Christian Rechberger, Vincent Rijmen - *"New Results on NMAC/HMAC when Instantiated with Popular Hash Functions"* - Journal of universal computer science [Elektronische Ressource] (Volume: 14 3)
2006	Christian Rechberger, Vincent Rijmen, Nicolas Sklavos - *"The NIST Cryptographic Workshop on Hash Functions"* - IEEE security & privacy (Volume: 4)

Proceedings
2010	Florian Mendel, Christian Rechberger, Martin Schläffer, Søren Steffen Thomsen - *"Rebound Attacks on the Reduced Grøstl Hash Function"* - CT-RSA
2009	Florian Mendel, Christian Rechberger, Martin Schläffer, Søren Steffen Thomsen - *"The Rebound Attack: Cryptanalysis of Reduced Whirlpool and Grøstl"* - Fast Software Encryption
2009	Lars R. Knudsen, Florian Mendel, Christian Rechberger, Søren Steffen Thomsen - *"Cryptanalysis of MDC-2"* - Advances in Cryptology - EUROCRYPT 2009
2009	Christian Rechberger - *"Wie lange halten die SHA-2 Hashfunktionen kryptanalytischen Angriffen noch stand?"* - Tagungsband 11. Deutscher IT-Sicherheitskongress (Note: to appear)
2009	Jean-Philippe Aumasson, Orr Dunkelman, Florian Mendel, Christian Rechberger, Søren Steffen Thomsen - *"Cryptanalysis of Vortex"* - Progress in Cryptology - AFRICACRYPT 2009
2009	Mario Lamberger, Florian Mendel, Christian Rechberger, Vincent Rijmen, Martin Schläffer - *"Rebound Distinguishers: Results on the Full Whirlpool Compression Function"* - ASIACRYPT
2009	Florian Mendel, Christian Rechberger, Martin Schläffer - *"MD5 is Weaker than Weak: Attacks on Concatenated Combiners"* - ASIACRYPT
2009	Florian Mendel, Thomas Peyrin, Christian Rechberger, Martin Schläffer - *"Improved Cryptanalysis of the Reduced Grøstl Compression Function, ECHO Permutation and AES Block Cipher"* - Selected Areas in Cryptography
2009	Florian Mendel, Christian Rechberger, Martin Schläffer - *"Cryptanalysis of Twister"* - ACNS
2008	Florian Mendel, Norbert Pramstaller, Christian Rechberger, Marcin Kontak, Janusz Szmidt - *"Cryptanalysis of the GOST Hash Function"* - Advances in Cryptology - CRYPTO 2008
2008	Emilia Käsper, Vincent Rijmen, Tor E. Bjørstad, Christian Rechberger, Matt Robshaw, Gautham Sekar - *"Correlated Keystreams in MOUSTIQUE"* - Progress in Cryptology – AFRICACRYPT 2008
2008	Christophe De Cannière, Christian Rechberger - *"Preimages for Reduced SHA-0 and SHA-1"* - Advances in Cryptology - CRYPTO 2008
2008	Jean-Philippe Aumasson, Simon Fischer, Shahram Khazaei, Willi Meier, Christian Rechberger - *"New Features of Latin Dances: Analysis of Salsa, ChaCha, and Rumba"*
2008	Marko Hölbl, Christian Rechberger, Tatjana Welzer - *"Searching for messages conforming to arbitrary sets of conditions in SHA-256"* - Proceedings of Western European Workshop on Research in Cryptology
2008	Florian Mendel, Norbert Pramstaller, Christian Rechberger - *"A (Second) Preimage Attack on the GOST Hash Function"* - Fast Software Encryption
2008	Sebastiaan Indesteege, Florian Mendel, Bart Preneel, Christian Rechberger - *"Collisions and other Non-Random Properties for Step-Reduced SHA-256"* - Selected Areas in Cryptography
2007	Christian Rechberger, Vincent Rijmen - *"The SHA Family of Hash Functions: Recent Results"* - Proceedings of Security and Protection of Information 2007
2007	Christophe De Cannière, Florian Mendel, Christian Rechberger - *"Collisions for 70-step SHA-1: On the Full Cost of Collision Search"* - Selected Areas in Cryptography
2007	Christian Rechberger, Vincent Rijmen - *"On Authentication With HMAC and Non-Rondom Properties"* - Financial Cryptography 2007
2007	Mario Lamberger, Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"Second Preimages for SMASH"*
2007	Lars R. Knudsen, Christian Rechberger, Søren Steffen Thomsen - *"The Grindahl hash functions"* - Fast Software Encryption (FSE) 2007
2007	Johann Großschädl, Stefan Tillich, Christian Rechberger, Michael Hofmann, Marcel Medwed - *"Energy Evaluation of Software Implementations of Block Ciphers under Memory Constraints"* - Proceedings of the 10th Conference on Design, Automation and Test in Europe (DATE 2007)
2006	Florian Mendel, Norbert Pramstaller, Christian Rechberger - *"Improved Collision-Attack on the Hash Function Proposed at PKC'98"* - Information Security and Cryptology – ICISC 2006
2006	Martin Feldhofer, Christian Rechberger - *"A Case Against Currently Used Hash Functions in RFID Protocols"* - Workshop on RFID Security 2006
2006	Christophe De Cannière, Christian Rechberger - *"Finding SHA-1 Characteristics: General Results and Applications"* - Advances in Cryptology - Asiacrypt 2006
2006	Florian Mendel, Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"The Impact of Carries on the Complexity of Collision Attacks on SHA-1"* - Fast Software Encryption
2006	Martin Feldhofer, Christian Rechberger - *"A Case Against Currently Used Hash Functions in RFID Protocols"* - On the Move to Meaningful Internet Systems 2006
2006	Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"A Compact FPGA Implementation of the Hash Function Whirlpool"* - Fourteenth ACM/SIGDA International Symposium on Field-Programmable Gate Arrays
2006	Florian Mendel, Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"Analysis of Step-Reduced SHA-256"* - Fast Software Encryption
2006	Florian Mendel, Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"On the Collision Resistance of RIPEMD-160"* - Information Security
2006	Svetla Nikova, Christian Rechberger, Vincent Rijmen - *"Threshold Implementations Against Side-Channel Attacks and Glitches"* - Information and Communications Security
2005	Krystian Matusiewicz, Josef Pieprzyk, Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"Analysis of simplified variants of SHA-256"* - Western European Workshop on Research in Cryptology - WEWoCR 2005, LNI P-74 (ISSN 1617-5468)
2005	Christian Rechberger, Vincent Rijmen - *"Recent results on SHA-1 and SHA-256"* - Proceedings of Santa's Crypto Get-together 2005
2005	Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"Impact of Rotations in SHA-1 and Related Hash Functions"* - Selected Areas in Cryptography
2005	Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"Exploiting Coding Theory for Collision Attacks on SHA-1"* - 10th IMA International Conference on Cryptography and Coding
2005	Amir Hayat, Christian Rechberger - *"Interoperable Certification Authorities in the European Union - A Practical Solution"* - EGOV05 - International Conference on E-Government
2005	Norbert Pramstaller, Christian Rechberger, Vincent Rijmen - *"Breaking a new Hash Function Design Strategy called SMASH"* - Selected Areas in Cryptography
2004	Christian Rechberger, Maria Elisabeth Oswald - *"Security of IEEE 802.11 considering Power and EM Side-Channel Information"* - International Conference on Computing, Communications and Control Technologies (CCCT 2004)
2004	Christian Rechberger, Maria Elisabeth Oswald - *"Practical Template Attacks"* - Information Security Applications
2004	Christian Rechberger, Maria Elisabeth Oswald - *"Stream Ciphers and Side-Channel Analysis"* - SASC - The State of the Art of Stream Ciphers
2002	Christian Rechberger, Thomas Popp, Stefan Tillich - *"Low-cost AES"* - Proceedings of Austrochip 2002, October 4, 2002, Graz, Austria

Master thesis
2004	Christian Rechberger - *"Side-Channel Analysis of Stream Ciphers"*