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Publications of Ulrich Kühn

Note: Some of my papers can be downloaded below. I make them available subject to the requirement that any person using this offer adheres to the copyright restrictions of the respective copyright holder of those papers.

This list is also available sorted by date.

• Breaking the Shin-Shin-Rhee Remotely Keyed Encryption Schemes.
  Ulrich Kühn.
  Information Processing Letters 105(6):236-240, 2008.
  DOI http://dx.doi.org/10.1016/j.ipl.2007.08.026
• A randomized parallel algorithm for Voronoi diagrams based on symmetric convex distance functions.
  Ulrich Kühn.
  Discrete Applied Mathematics 109(1-2):177-196, 2001.
  DOI http://dx.doi.org/10.1016/S0166-218X(00)00235-3
• Local calculation of Voronoi diagrams.
  Ulrich Kühn.
  Information Processing Letters 68(6):307-312, 1998.
  DOI http://dx.doi.org/10.1016/S0020-0190(98)00180-X

• Variants of Bleichenbacher's Low-Exponent Attack on PKCS#1 RSA Signatures.
  Ulrich Kühn, Andrei Pyshkin, Erik Tews, Ralf-Philipp Weinman.
  Proc. Sicherheit 2008, pages 97-109, Lecture Notes in Informatics 128, 2008.
• Realizing Property-based Attestation and Sealing with Commonly Available Hard- and Software.
  Ulrich Kühn, Marcel Selhorst, Christian Stüble
  Proceedings of 2nd ACM Workshop on Scalable Trusted Computing (in conjunction with ACM CCS), pages 50-57, 2007.
  DOI http://doi.acm.org/10.1145/1314354.1314368
• Analysis of a Database and Index Encryption Scheme -- Problems and Fixes.
  Ulrich Kühn.
  Proceedings of Secure Data Management 2006, Lecture Notes in Computer Science 4165, pages 146-159, Springer-Verlag 2006.
  DOI http://dx.doi.org/10.1007/11844662_11
  Paper (Copyright Springer-Verlag), Slides
• Secure Data Management in Trusted Computing.
  Ulrich Kühn, Klaus Kursawe, Stefan Lucks, Ahmad-Reza Sadeghi, Christian Stüble.
  Proceedings of Cryptographic Hardware and Embedded Systems -- CHES 2005, 7th International Workshop, Lecture Notes in Computer Science 3659, pages 324-338, Springer-Verlag, 2005.
  DOI http://dx.doi.org/10.1007/11545262_24
  Paper (Copyright IACR), Slides
• Side-Channel Attacks on Textbook RSA and ElGamal Encryption.
  Ulrich Kühn.
  In Y.G. Desmedt (Ed.): Proceedings of Public Key Cryptography -- PKC 2003, 6th International Workshop, Lecture Notes in Computer Science 2567, pages 324-336, Springer-Verlag, 2002.
  DOI http://dx.doi.org/10.1007/3-540-36288-6_24
  Paper (Copyright IACR), Erratum, Full Paper, Slides
• Improved Cryptanalysis of MISTY1.
  Ulrich Kühn.
  In J. Daemen, V. Rijmen (Eds.): Fast Software Encryption, 9th International Workshop, Lecture Notes in Computer Science 2365, pages 61-75, Springer-Verlag, 2002.
  DOI http://dx.doi.org/10.1007/3-540-45661-9_5
  Paper (Copyright IACR),
• Cryptanalysis of Reduced-Round MISTY.
  Ulrich Kühn.
  In B. Pfitzmann (Ed.): Advances in Cryptology -- EUROCRYPT 2001, Lecture Notes in Computer Science 2045, pages 325-339, Springer-Verlag, 2001.
  DOI http://dx.doi.org/10.1007/3-540-44987-6_20
  Paper (Copyright IACR)

• Auf dem Weg zu neuen Hashfunktionen.
  Ulrich Kühn, Stefan Lucks.
  Datenschutz und Datensicherheit (DuD), 31(8):596-600, 2007.
  DOI http://dx.doi.org/10.1007/s11623-007-0199-5
• Aktuelle Entwicklungen bei RSA-Signaturen.
  Ulrich Kühn.
  Datenschutz und Datensicherheit (DuD) 30(12):763-767, 2006.
  DOI http://dx.doi.org/10.1007/s11623-006-0236-9
• Angriffe auf RSA-Verschlüsselung mit Null-Padding.
  Ulrich Kühn.
  Datenschutz und Datensicherheit (DuD) 27(11):681-685, 2003.

• User-friendly and Secure TPM-based Hard Disk Key Management.
  Ulrich Kühn, Christian Stüble.
  Future of Trust in Computing, 2008.
  
• ISPs: Who else can you trust in the Internet?
  Roger Karrer, Ulrich Kühn.
  Proceedings of ICIN'07, 2007.
• A Randomized parallel Algorithm for Voronoi Diagrams based on symmetric Convex Distance Functions (Extended Abstract).
  Ulrich Kühn.
  14th European Workshop on Computational Geometry, Barcelona, Spain. March 1998.
  Full paper appeared in Discrete Applied Mathematics.
• Calculating Voronoi Diagrams using Convex Sweep Curves.
  U. Kühn.
  12th European Workshop on Computational Geometry, Münster, Germany. March 1996.
  Extended Abstract, Slides

• Cryptographic Attack Metrics.
  Zinaida Benenson, Ulrich Kühn, Stefan Lucks.
  Book chapter in: Irene Eusgeld, Felix C. Freiling, Ralf Reussner (Eds.): Dependability Metrics. Lecture Notes in Computer Science 4909, pages 133-156, Springer-Verlag, 2008.
  DOI http://dx.doi.org/10.1007/978-3-540-68947-8_12
  
• Technische Grundlagen digitaler Signaturverfahren.
  Ulrich Kühn.
  In Th. Hoeren, M. Schüngel (Eds.): Rechtsfragen der digitalen Signatur, pages 65-92, Erich Schmidt Verlag, 1999.

• Lokale Eigenschaften in der algorithmischen Geometrie mit Anwendungen in der Parallelverarbeitung.
  Ulrich Kühn.
  Doctoral dissertation, University of Münster, 1998.
• Berechnung von Voronoi-Diagrammen mit konvexen Fegekurven.
  Ulrich Kühn.
  Diploma thesis (Diplomarbeit), Universität of Münster, 1995.
  

• HBCI-Altlasten bei der Kryptographie.
  Ulrich Kühn.
  c't Magazin für Computertechnik 23/2004, page 136, 2004.

Patents

• Ulrich Kühn. Marcel Selhorst, Christian Stüble. Vorrichtung und Methode zur Erkennung von Manipulationen an Computersystemen. German Patent Application, filed October 31, 2007.
• Roger Karrer, Ulrich Kühn. Method, Computer Network System and Gate for Identifying and Controlling Unsolicited Traffic. European Patent Application, filed April 12, 2006.

Talks and Presentations

• Angriffe auf Implementierungsfehler bei PKCS#1-Signaturen. Invited Lecture, Bochum, June 2008.
• Netzwerksicherheit: Mit Kryptographie gegen DDoS. Invited talk, 6. Kryptotag, Saarbrücken, Germany, February 2007.
• Side-Channel Attacks on Textbook RSA and ElGamal Encryption. Invited talk, Technical University Darmstadt, Germany, April 2003.
  Extended version of PKC2003 presentation.
  
• Local geometric properties with applications to parallel processing. Invited talk given at Max-Planck-Institute for Computer Science, Saarbrücken, Germany. April 19, 1999.

• Praktische Kryptologie – Probleme, Kompromisse, Lösungen. Panel at workshop ''Kryptographie – Theorie und Grundbausteine'' at conference ''Sicherheit 2006'', Magdeburg, Germany, February 2006. Panelist with Dr. Georg Illies, Dr. Christian Tobias.

• User-friendly and Secure TPM-based Hard Disk Key Management. Future of Trust in Computing, Berlin, Germany, June 30 - July 2, 2008.
• Variants of Bleichenbacher's Low-Exponent Attack on PKCS#1 RSA Signatures. Sicherheit 2008, Track ``Applied Cryptography'', Saarbrücken, Germany, April 2-4, 2008.
• Property-based Attestation and Sealing using Commonly Available Hard- and Software. 2nd ACM Workshop on Scalable Trusted Computing STC 2007, Alexandria, VA, USA. November 2nd, 2007.
  
• Analysis of a Database and Index Encryption Scheme - Problems and Fixes. 3rd VLDB Workshop on Secure Data Management – SDM 2006, Seoul, South Korea, September 10-11, 2006.
  Slides [pdf, 260k]
• Secure Data Management in Trusted Computing. 7th International Workshop on Cryptographic Hardware and Embedded Systems – CHES 2005, Edinburgh, UK, August 29 - September 1, 2005.
  Slides [pdf, 146k]
• Side-Channel Attacks on Textbook RSA and ElGamal Encryption. 6th International Workshop on Practice and Theory in Public Key Cryptography PKC 2003, Miami, FL, USA, January 6-8, 2003.
  Slides [pdf, 65k]
• Improved Cryptanalysis of MISTY1. Fast Software Encryption Workshop, KU Leuven, Belgium, 2002. (Also presented at the 2nd NESSIE Workshop, Royal Holloway, University of London, September 12-13, 2001.)
  
• Cryptanalysis of Reduced-Round MISTY. EUROCRYPT 2001, Innsbruck, Austria, May 2001.
  
• A Randomized parallel Algorithm for Voronoi Diagrams based on symmetric Convex Distance Functions (Extended Abstract). 14th European Workshop on Computational Geometry, Barcelona, Spain. March 1998.
  Full Paper appeared in Discrete Applied Mathematics.
• Calculating Voronoi Diagrams using Convex Sweep Curves. 12th European Workshop on Computational Geometry, Münster, Germany. March 1996.
  Extended Abstract [pdf, 98k]
  Slides [pdf, 99k]

Awards

• 3rd of the 1. German IT Security Awards 2006.
  Awarded to U. Kühn and R. Karrer.
  More details.

A slightly incomplete list of my publications is available e.g. from the DBLP server.

Ulrich Kühn