Selected Publications

2012

A. Heuser, W. Schindler, M. Stöttinger: Revealing Side-Channel Issues of Complex Circuits
by High-Dimensional Leakage Models. To appear in: Design, Automation & Test in Europe --- DATE 2012, IEEE Press 2012.
A. Heuser, M. Kasper, W. Schindler, M. Stöttinger: A New Difference Method for Side-Channel Analysis with High-Dimensional Leakage Models. To appear in: O. Dunkelman: (Hrsg.): Topics in Cryptology --- CT-RSA 2012, Springer, Lecture Notes in Computer Science 7178, Berlin 2012, 365--382.

2011

W. Schindler, K. Itoh: Exponent Blinding Does not Automatically Lift (Partial) SPA Resistance to Higher-Level Security. In: J. Lopez, G. Tsudik (eds.): Applied Cryptography and Network Security --- ACNS 2011, Springer, Lecture Notes in Computer Science 6715, Berlin 2011, 73 -- 90.
A. Heuser, M. Kasper, W. Schindler, M. Stöttinger: How a Symmetry Metric Assists Side-Channel Evaluation - A Novel Model Verification Method for Power Analysis. In: 14th Euromicro Conference On Digital System Design: Architectures, Methods and Tools --- DSD 2011, IEEE Press 2011, 674-682.

2010

W. Schindler: Side-Channel Analysis -- Mathematics has Met Engineering. In: A. Biedermann, H.G. Molter (eds.): Design Methodologies for Secure Embedded Systems. Springer, Lecture Notes in Electrical Engineering 78, Berlin 2010, 43--62.
M. Kasper, W. Schindler, M. Stöttinger: A Stochastic Method for Security Evaluation of Cryptographic FPGA Implementations. In: 2010 International Conference on Field-Programmable Technology --- FPT 2010, IEEE Press, CFP10528_CDR, 2010, 146--153.
M. Stoettinger, A. Biedermann, S. A. Huss: Virtualization within a Parallel Array of Homogeneous Processing Units. In: Proceedings of the 6th International Symposium on Applied Reconfigurable Computing, Lecture Notes in Computer Science, Berlin 2010, 17-28

2009

W. Schindler, C. Walter: Optimal Recovery of Secret Keys from Weak Side Channel Traces. In: M.G. Parker (ed.): Cryptography and Coding - IMA 2009, Springer, Lecture Notes in Computer Science 5921, Berlin 2009, 446-468.
T. Finke, M. Gebhardt, W. Schindler: A New Side-Channel Attack on RSA Prime Generation. In: C. Clavier, K. Gaj (eds.): Cryptographic Hardware and Embedded Systems - CHES 2009, Springer, Lecture Notes in Computer Science 5747, Berlin 2009, 141-155. Received best paper award at CHES 2009.
F.-X. Standaert, F. Koeune, W. Schindler: How to Compare Profiled Side-Channel Attacks. In: M. Abdalla, D. Pointcheval, P.-A. Fouque, D. Vergnaud (eds.): Applied Cryptography and Network Security - ACNS 2009, Springer, Lecture Notes in Computer Science 5536, Berlin 2009, 485-498.
T. Biere, W. Schindler: Langzeitarchive: Verlust der Sicherheitseignung der Hashfunktion. In: P. Horster, P. Schartner (eds.): D-A-CH Security 2009, syssec Verlag, Klagenfurt 2009, 462-469.
M. Gebhardt, G. Illies, W. Schindler: Auf dem Weg zum SHA-3 - Die Ausschreibung eines neuen Hashfunktionenstandards durch NIST und ihre Hintergründe. In: Sichere Wege in der vernetzten Welt - 11. Deutscher IT-Sicherheitskongress des BSI (2009), SecuMedia-Verlag, Ingelheim 2009, 489-503.
W. Schindler: Random Number Generators for Cryptographic Applications. In: Ç.K. Koç (ed.): Cryptographic Engineering. Springer, Berlin 2009, 5-23.
W. Schindler: Evaluation Criteria for Physical Random Number Generators. In: Ç.K. Koç (ed.): Cryptographic Engineering. Springer, Berlin 2009, 25-54.
M. Stoettinger, F. Madlener, S. A. Huss: Procedures for Securing ECC Implementations against Differential Power Analysis Using Reconfigurable Architectures. In: M. Platzner, J. Teich, N. Wehn (eds.): Dynamically Reconfigurable Systems - Architectures, Design Methods and Applications, Springer, Berlin 2009, 305-321
F. Madlener, M. Stoettinger, S. A. Huss: Novel Hardening Techniques against Differential Power Analysis for Multiplication in GF(2^n). In: Proceedings of the IEEE International Conference on Field-Programmable Technology (ICFPT'09), December 2009
A. Shoufan, F. Strenzke, H. G. Molter, M. Stoettinger: A Timing Attack Against Patterson Algorithm in the McEliece PKC. In: Proceedings of the 12th International Conference on Information Security and Cryptology (ICISC'09), Lecture Notes in Computer Science, December 2009

2008

W. Killmann, W. Schindler: A Design for a Physical RNG with Robust Entropy Estimators. In: E. Oswald, P. Rohatgi (eds.): Cryptographic Hardware and Embedded Systems - CHES 2008, Springer, Lecture Notes in Computer Science 5154, Berlin 2008, 146-163.
O. Aciçmez, W. Schindler: A Vulnerability in RSA Implementations due to Instruction Cache Analysis and Its Demonstration on OpenSSL. In: T. Malkin (ed.): Topics in Cryptology - CT-RSA 2008, Springer, Lecture Notes in Computer Science 4964, Berlin 2008, 256-273.
M. Gebhardt, G. Illies, W. Schindler: On an Approach to Compute (at least Almost) Exact Probabilities for Differential Hash Collision Paths. In: A. Alkassar, J. Siekmann (eds.): Sicherheit 2008 - Sicherheit, Schutz und Zuverlässigkeit. Gesellschaft für Informatik, Köllen-Verlag, Lecture Notes in Informatics P-128, Bonn 2008, 111-125.
W. Schindler: Advanced Stochastic Methods in Side Channel Analysis on Block Ciphers in the Presence of Masking. J. Math. Crypt. 2 (2008), 291-310.
M. Gebhardt, G. Illies, W. Schindler: Computing Almost Exact Probabilities of Differential Hash Collision Paths by Applying Appropriate Stochastic Methods. Cryptology ePrint Archive, Report 2008/022,
http://eprint.iacr.org/2008/022
M. Kasper, N. Kuntze, A. Schmidt: Subscriber Authentication in Cellular Networks with Trusted Virtual SIMs. In: Proceedings of the 10th International Conference on Advanced Communication Technology (ICACT), Feb. 17-20, 2008, Phoenix Park, Korea, IEEE.
M. Kasper, N. Kuntze, A. Schmidt: On the deployment of Mobile Trusted Modules. In: Proceedings of the Wireless Communications and Networking Conference (WCNC), Las Vegas, USA, 31 March - 2 April 2008, IEEE. Received best paper award at IEEE WCNC 2008.

2007

M. Gebhardt, G. Illies, W. Schindler: Hashkollisionen und qualifizierte Zertifikate. In: R. Koschke, O. Herzog, K.-H. Rödiger, M. Ronthaler (eds.): Informatik 2007 - Informatik trifft Logistik, Workshop ,,Kryptographie in Theorie und Praxis". Gesellschaft für Informatik, Köllen-Verlag, Lecture Notes in Informatics P-110, Bonn 2007, 174-178.
O. Aciçmez, W. Schindler, Ç.K. Koç: Cache Based Remote Timing Attack on the AES. In: M. Abe (ed.): Cryptographers' Track - CT-RSA 2007, Springer, Lecture Notes in Computer Science 4377, Berlin 2007, 271-286.
O. Aciçmez, W. Schindler: A Major Vulnerability in RSA Implementations due to MicroArchitectural Analysis Threat. Cryptology ePrint Archive, Report 2007/336, http://eprint.iacr.org/2007/336

2006

M. Gebhardt, G. Illies, W. Schindler: A Note on the Practical Value of Single Hash Collisions for Special File Formats. In: J. Dittmann (ed.): Sicherheit 2006 - ,,Sicherheit - Schutz und Zuverlässigkeit". Gesellschaft für Informatik, Köllen-Verlag, Lecture Notes in Informatics P-77, Bonn 2006, 333-344.

2005

O. Aciçmez, W. Schindler, Ç.K. Koç: Improving Brumley and Boneh Timing Attack on Unprotected SSL Implementations. In: C. Meadows, P. Syverson (Hrsg): 12^th ACM Conference on Computer and Communications Security - CCS 2005. ACM Press, New York 2005, 139-146.
W. Schindler, K. Lemke, C. Paar: A Stochastic Model for Differential Side Channel Analysis. In: J.R. Rao, B. Sunar (eds.): Cryptographic Hardware and Embedded Systems - CHES 2005, Springer, Lecture Notes in Computer Science 3659, Berlin 2005, 30-46.
U. Kaiser, C. Paar, J. Pelzl, D. Rappe, W. Schindler, A. Weimerskirch, T. Wollinger: Auswahlkriterien für kryptographische Algorithmen bei Low-Cost-RFID-Systemen. In: P. Horster (eds.): D-A-CH Security 2005, syssec Verlag, Klagenfurt 2005, 358-372.
W. Schindler: On the Optimization of Side-Channel Attacks by Advanced Stochastic Methods. In: S. Vaudenay (ed.): Public Key Cryptography - PKC 2005, Springer, Lecture Notes in Computer Science 3386, Berlin 2005, 85-103.
L. Ly, W. Schindler: How to Embed Short Cycles into Large Nonlinear Feedback Shift Registers. In: C. Blundo, S. Cimato (eds.): Security in Communication Networks - SCN 2004, Springer, Lecture Notes in Computer Science 3352, Berlin 2005, 367-379.
G. Illies, W. Schindler: Kollisionsangriffe gegen Hashfunktionen - Auswirkungen und Stand der Entwicklung. KES (Zeitschrift für Kommunikations- und EDV-Sicherheit) 5/2005, 58-61.

2003

W. Schindler: Measures with Symmetry Properties. Springer, Lecture Notes in Mathematics 1808, Berlin 2003, IX, 167 pages.
W. Schindler: A Stochastical Model and Its Analysis for a Physical Random Number Generator Presented at CHES 2002. In: K.G. Paterson (ed.): Cryptography and Coding - IMA 2003, Springer, Lecture Notes in Computer Science 2898, Berlin 2003, 276-289.
W. Schindler, C. Walter: More Detail for a Combined Timing and Power Attack against Implementations of RSA. In: K.G. Paterson (ed.): Cryptography and Coding - IMA 2003, Springer, Lecture Notes in Computer Science 2898, Berlin 2003, 245-263.
W. Killmann, W. Schindler: Über die Prüftiefe und die Aussagekraft von IT-Sicherheitsgutachten. In: R. Grimm, H.B. Keller, K. Rannenberg (eds.): Informatik 2003 - Mit Sicherheit Informatik: Schwerpunkt ,,Sicherheit - Schutz und Zuverlässigkeit". Gesellschaft für Informatik, Köllen-Verlag, Lecture Notes in Informatics P-36, Bonn 2003, 203-214.
F. Niedermeyer, W. Schindler: On a Class of Key Agreement Protocols which Cannot be Unconditionally Secure. In: S. Cimato, C. Galdi, G. Persiano (eds.): Security in Communication Networks - SCN 2002. Springer, Lecture Notes in Computer Science 2576, Berlin 2003, 133-145.
W. Schindler, W. Killmann: Evaluation Criteria for True (Physical) Random Number Generators Used in Cryptographic Applications. In: B.S. Kaliski Jr., Ç.K. Koç, C. Paar (eds.): Cryptographic Hardware and Embedded Systems - CHES 2002, Springer, Lecture Notes in Computer Science 2523, Berlin 2003, 431-449.

2002 and before

W. Schindler: A Combined Timing and Power Attack. In: P. Paillier, D. Naccache (eds.): Public Key Cryptography - PKC 2002, Springer, Lecture Notes in Computer Science 2274, Berlin 2002, 263-279.
W. Schindler: Optimized Timing Attacks against Public Key Cryptosystems. Statist. Decisions 20 (2002), 191-210
W. Schindler, F. Koeune, J.-J. Quisquater: Improving Divide and Conquer Attacks Against Cryptosystems by Better Error Detection / Correction Strategies. In: B. Honary (ed.): Cryptography and Coding - IMA 2001, Springer, Lecture Notes in Computer Science 2260, Berlin 2001, 245-267.
W. Schindler: Efficient Online Tests for True Random Number Generators. In: Ç.K. Koç, D. Naccache, C. Paar (eds.): Cryptographic Hardware and Embedded Systems - CHES 2001, Springer, Lecture Notes in Computer Science 2162, Berlin 2001, 103-117.
W. Schindler, F. Koeune, J.-J. Quisquater: Unleashing the Full Power of Timing Attack. Katholische Universität Louvain, Belgien, Technical Report CG-2001/3, 17 Seiten.
W. Schindler: A Timing Attack against RSA with the Chinese Remainder Theorem. In: Ç.K. Koç, C. Paar (eds.): Cryptographic Hardware and Embedded Systems - CHES 2000, Springer, Lecture Notes in Computer Science 1965, Berlin 2000, 109-124.
W. Killmann, W. Schindler: A Proposal For: Functionality Classes and Evaluation Methodology for True (Physical) Random Number Generators (English translation). Mathematical-technical appendix to AIS 31 ,,Functionality Classes and Evaluation Methodology for Physical Random Number Generators, Version 1 (25.09.2001)".
https://www.bsi.bund.de/cae/servlet/contentblob/478134/publicationFile/30517/trngk31e_-pdf.pdf
W. Schindler: Functionality Classes and Evaluation Methodology for Deterministic Random Number Generators (English translation). Mathematical-technical appendix to AIS 20 ,,Functionality Classes and Evaluation Methodology for Deterministic Random Number Generators, Version 1 (02.12.1999)".
https://www.bsi.bund.de/cae/servlet/contentblob/478152/publicationFile/30552/ais20e_-pdf.pdf