D. J. Bernstein

Conferences

My trip to Russia
United Airlines sucks (part 22)
United Airlines sucks (part 40)
Conferences attended, in reverse chronological order. Some statistics: Countries: 1 Argentina. 8 Australia. 7 Austria. 22 Belgium. 6 Brazil. 3 Bulgaria. 26 Canada. 1 Chile. 2 China. 2 Croatia. 1 Czech Republic. 8 Denmark. 14 England. 1 Estonia. 1 Finland. 18 France. 55 Germany. 5 Greece. 1 Hong Kong. 15 India. 2 Ireland. 1 Israel. 2 Italy. 5 Japan. 4 Luxembourg. 1 Malaysia. 4 Mexico. 1 Monaco. 1 Morocco. 40 Netherlands. 1 Norway. 5 Poland. 1 Portugal. 1 Puerto Rico. 2 Russia. 1 Senegal. 2 Singapore. 1 South Africa. 5 South Korea. 6 Spain. 2 Sweden. 8 Switzerland. 7 Taiwan. 3 Turkey. 111 USA.


2016.08.22–2016.08.26 invited Netherlands
Mathematical Structures for Cryptography. Lorentz Center, Leiden University.

2016.08.17–2016.08.19 USA
CHES 2016. University of California at Santa Barbara.

2016.08.14–2016.08.18 USA
Crypto 2016. University of California at Santa Barbara.

2016.07.17–2016.07.22 invited Norway
ArcticCrypt 2016. Radisson Blu Spitsbergen.

2016.06.28–2016.06.28 Netherlands
PQCRYPTO mini-workshop. Vergarderruimte Utrecht.

2016.06.23–2016.06.23 invited Netherlands
Black Hat Sessions Part XIV. Hotel en Congrescentrum De Reehorst, Ede.

2016.06.05–2016.06.10 invited Croatia
Summer school on real-world crypto and privacy. Hotel Ivan, Šibenik.

2016.05.26–2016.05.26 Netherlands
Security in Times of Surveillance. Technische Universiteit Eindhoven.

2016.05.13–2016.05.13 invited USA
Surveillance Workshop. Princeton University.

2016.05.08–2016.05.08 invited Austria
A Workshop About Cryptographic Standards. Aula der Wissenschaften, Vienna.

2016.04.11–2016.04.15 USA
ISO/IEC JTC 1/SC 27 meeting. Tampa. Attended portions.

2016.03.20–2016.03.23 Germany
FSE 2016: Fast Software Encryption 2016. Ruhr University Bochum.

2016.03.06–2016.03.09 invited Taiwan
PKC 2016: Public Key Cryptography 2016. Academia Sinica, Taipei.

2016.02.24–2016.02.26 invited Japan
PQCrypto 2016. Nishijin Plaza, Fukuoka.

2016.01.31–2016.02.05 invited Germany
Modern Cryptography and Security: An Inter-Community Dialogue. Schloss Dagstuhl. Attended portions.

2016.01.16–2016.01.18 Switzerland
ID Quantique Winter School. Les Diablerets.

2016.01.10–2016.01.15 invited Germany
Symmetric Cryptography. Schloss Dagstuhl.

2016.01.06–2016.01.08 USA
RWC 2016: Real-World Cryptography 2016. Stanford University.

2016.01.04–2016.01.05 invited USA
High Assurance Crypto Software. Stanford University.

2015.12.27–2015.12.30 refereed Germany
32nd Chaos Communication Congress (32C3). Hamburg.

2015.12.15–2015.12.16 refereed Japan
SSR 2015: Security Standardisation Research. Internet Initiative Japan, Tokyo.

2015.12.09–2015.12.10 Belgium
Post-Snowden Cryptography. Crowne Plaza Brussels.

2015.12.08–2015.12.09 invited Belgium
Protecting online privacy by enhancing IT security and strengthening EU IT capabilities. European Parliament, Brussels.

2015.12.02–2015.12.02 Netherlands
Workshop on Realistic Program Verification. Radboud University Nijmegen.

2015.10.23–2015.10.26 invited Netherlands
APC 2015: Amsterdam Privacy Conference 2015. Oudemanhuispoort, Amsterdam. Attended portions.

2015.10.05–2015.10.07 invited India
SPACE 2015. Malaviya National Institute of Technology, Jaipur.

2015.09.28–2015.09.30 invited France
ECC 2015: 19th Workshop on Elliptic Curve Cryptography. University of Bordeaux.

2015.09.06–2015.09.11 invited Germany
Quantum Cryptanalysis. Schloss Dagstuhl.

2015.08.23–2015.08.26 refereed Mexico
LatinCrypt 2015. Hotel De Mendoza, Guadalajara.

2015.08.16–2015.08.20 USA
Crypto 2015. University of California at Santa Barbara.

2015.08.12–2015.08.14 USA
USENIX Security Symposium 2015. Hyatt Regency Washington.

2015.08.03–2015.08.07 South Korea
SIAM Conference on Applied Algebraic Geometry 2015. National Institute for Mathematical Sciences, Daejeon.

2015.07.19–2015.07.24 Czech Republic
IETF 93: 93rd Internet Engineering Task Force Meeting. Hilton Prague Hotel. Attended portions.

2015.07.06–2015.07.10 invited Germany
Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach. Attended portions.

2015.06.29–2015.07.02 USA
PETS 2015: Privacy Enhancing Technologies Symposium 2015. Drexel University, Philadelphia.

2015.06.11–2015.06.12 USA
Workshop on ECC Standards. National Institute of Standards and Technology, Gaithersburg.

2015.05.31–2015.06.05 invited Croatia
Summer school on real-world crypto and privacy. Hotel Ivan, Šibenik.

2015.05.28–2015.05.29 Netherlands
DIAMANT Symposium. Hotel Van der Valk, Veenendaal. Attended portions.

2015.05.08–2015.05.08 invited Netherlands
Security in Times of Surveillance. Technische Universiteit Eindhoven.

2015.05.01–2015.05.01 Bulgaria
International State of the Art Cryptography Workshop. Sofia Hotel Balkan.

2015.04.26–2015.04.30 Bulgaria
Eurocrypt 2015. Sofia Hotel Balkan.

2015.04.26–2015.04.26 invited Bulgaria
CryptoAction WG4 Meeting on Authenticated Encryption. Sofia Hotel Balkan.

2015.04.21–2015.04.24 invited USA
Mathematics of Lattices and Cybersecurity. Institute for Computational and Experimental Research in Mathematics, Brown University.

2015.04.13–2015.04.17 invited England
ETAPS 2015: European Joint Conferences on Theory and Practice of Software. Queen Mary University of London.

2015.04.02–2015.04.03 refereed USA
Workshop on Cybersecurity in a Post-Quantum World. National Institute of Standards and Technology, Gaithersburg.

2015.03.30–2015.04.01 USA
PKC 2015: Public Key Cryptography 2015. National Institute of Standards and Technology, Gaithersburg.

2015.03.08–2015.03.11 Turkey
FSE 2015: Fast Software Encryption 2015. Istanbul Commerce University Sutluce Campus.

2015.02.11–2015.02.12 invited Germany
MAPPING WP5 Round Table on Privacy, Personality and Business Models. Institut für Rechtsinformatik, Gottfried Wilhelm Leibniz Universität Hannover.

2015.01.26–2015.01.30 Puerto Rico
FC 2016: Financial Cryptography and Data Security 2016. International San Juan Hotel.

2015.01.16–2015.01.18 refereed USA
ShmooCon 2015. Washington Hilton.

2015.01.12–2015.01.16 invited USA
DIMACS Workshop on the Mathematics of Post-Quantum Cryptography. Rutgers University.

2015.01.07–2015.01.09 invited England
Real World Cryptography Workshop 2015. London School of Economics.

2014.12.27–2014.12.30 refereed Germany
31st Chaos Communication Congress (31C3). Hamburg.

2014.12.12–2014.12.12 invited Taiwan
International State of the Art Cryptography Workshop. Ambassador Hotel Kaohsiung.

2014.12.07–2014.12.11 Taiwan
Asiacrypt 2014. Ambassador Hotel Kaohsiung.

2014.11.27–2014.11.28 Netherlands
DIAMANT symposium. Hotel Het Witte Huis, Soest. Attended portions.

2014.11.19–2014.11.19 invited Belgium
Cyber Security in the Financial Industry. Chateau du Lac, Genval.

2014.11.03–2014.11.04 invited Japan
Post-Quantum Cryptography: Recent Results and Trends. Fukuoka SRP Center Building.

2014.10.18–2014.10.19 invited Brazil
H2HC 2014: Hackers To Hackers Conference. Novotel Morumbi, Sao Paulo.

2014.10.08–2014.10.10 India
ECC 2014: 18th Workshop on Elliptic Curve Cryptography. Institute of Mathematical Sciences, Chennai.

2014.09.28–2014.10.02 invited Germany
Dagstuhl Perspectives Workshop: Privacy and Security in an Age of Surveillance. Schloss Dagstuhl.

2014.09.23–2014.09.26 refereed South Korea
CHES 2014: 16th Workshop on Cryptographic Hardware and Embedded Systems. Paradise Hotel Busan.

2014.09.17–2014.09.19 refereed Brazil
Latincrypt 2014: Third International Conference on Cryptology and Information Security in Latin America. Costão do Santinho Resort, Florianópolis.

2014.08.23–2014.08.24 organized USA
DIAC 2014: Directions in Authenticated Ciphers. University of California at Santa Barbara.

2014.08.20–2014.08.22 invited USA
USENIX Security Symposium 2014. Manchester Grand Hyatt San Diego. Attended portions.

2014.08.17–2014.08.21 USA
Crypto 2014. University of California at Santa Barbara. Attended portions.

2014.08.14–2014.08.15 refereed Canada
SAC 2014: Selected Areas in Cryptography. Concordia University, Montreal.

2014.08.07–2014.08.11 refereed South Korea
ANTS XI: Algorithmic Number Theory Symposium. Hotel Hyundai, Gyeongju.

2014.07.27–2014.08.01 invited Germany
Cryptography. Mathematisches Forschungsinstitut, Oberwolfach.

2014.07.21–2014.07.25 invited Canada
IETF 90. Fairmont Royal York Hotel, Toronto.

2014.06.23–2014.06.26 Germany
ISC 2014: International Supercomputing Conference. Congress Center Leipzig.

2014.06.03–2014.06.04 invited Netherlands
International NCSC One Conference 2014. World Forum, The Hague.

2014.05.16–2014.05.16 invited Denmark
International State of the Art Cryptography Workshop. Hotel Scandic, Copenhagen.

2014.05.11–2014.05.15 Denmark
Eurocrypt 2014. Hotel Scandic, Copenhagen.

2014.05.05–2014.05.09 invited Switzerland
DLP2014: Theoretical and Practical Aspects of the Discrete Logarithm Problem. Centro Stefano Franscini, Monte Veritá, Ascona.

2014.04.28–2014.04.28 Netherlands
Security in Times of Surveillance. Technische Universiteit Eindhoven.

2014.03.26–2014.03.28 Argentina
PKC 2014: Public Key Cryptography 2014. Meliá Hotel, Buenos Aires.

2014.03.03–2014.03.05 England
Fast Software Encryption 2014. Natural History Museum, London.

2014.01.17–2014.01.19 refereed USA
ShmooCon 2014. Washington Hilton.

2014.01.13–2014.01.15 USA
Real-World Cryptography Workshop 2014. City College of New York.

2014.01.05–2014.01.10 invited Germany
Symmetric Cryptography. Schloss Dagstuhl.

2013.12.27–2013.12.30 refereed Germany
30th Chaos Communication Congress (30C3). Hamburg.

2013.12.01–2013.12.05 refereed India
Asiacrypt 2013. JW Marriott Hotel Bengaluru.

2013.12.01–2013.12.01 India
Microsoft Research India Workshop on Lattice-Based Cryptography. Microsoft Research India, Bangalore.

2013.11.28–2013.11.29 Netherlands
DIAMANT symposium. Conference Center De Werelt, Lunteren. Attended portions.

2013.11.04–2013.11.08 Germany
ACM CCS 2013: ACM Conference on Computer and Communications Security. Berliner Congress Center, Berlin.

2013.11.03–2013.11.03 invited Germany
PUFFIN Workshop. Park Inn Alexanderplatz, Berlin.

2013.09.26–2013.09.27 refereed France
Quantum-Safe-Crypto Workshop. ETSI, Sophia Antipolis.

2013.09.16–2013.09.18 Belgium
ECC 2013: Elliptic Curve Cryptography. Katholieke Universiteit Leuven.

2013.08.19–2013.08.23 refereed USA
CHES 2013: Cryptographic Hardware and Embedded Systems. University of California at Santa Barbara.

2013.08.18–2013.08.22 USA
Crypto 2013. University of California at Santa Barbara.

2013.08.14–2013.08.16 Canada
SAC 2013: Selected Areas in Cryptography. Simon Fraser University.

2013.08.11–2013.08.13 organized USA
DIAC 2013: Directions in Authenticated Ciphers. University of Illinois at Chicago.

2013.08.01–2013.08.04 USA
SIAM Conference on Applied Algebraic Geometry 2013. Colorado State University.

2013.07.22–2013.07.26 invited Germany
Tor 2013 Summer Dev Meeting. Technische Universität München. Attended portions.

2013.07.14–2013.07.20 invited Germany
Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

2013.07.01–2013.07.05 invited England
Number Theory, Geometry and Cryptography. University of Warwick.

2013.06.24–2013.06.28 invited England
Summer School: Number Theory for Cryptography. University of Warwick.

2013.06.16–2013.06.20 invited Germany
ISC 2013: International Supercomputing Conference. Congress Center Leipzig.

2013.06.10–2013.06.12 invited France
Code-Based Cryptography Workshop. INRIA Rocquencourt.

2013.06.04–2013.06.07 refereed France
PQCrypto 2013. Xlim, University of Limoges.

2013.05.30–2013.05.31 invited Greece
International State of the Art Cryptography Workshop. Divani Caravel Hotel.

2013.05.26–2013.05.30 Greece
Eurocrypt 2013. Divani Caravel Hotel.

2013.03.11–2013.03.13 invited Singapore
FSE 2013: Fast Software Encryption. Novotel Clarke Quay.

2013.02.09–2013.02.12 invited Israel
Modeling Intractability workshop. Ramon Inn, Mitzpe Ramon.

2013.02.07–2013.02.08 invited Netherlands
Beveiligingsconferentie SURFcert & SURFibo. Gebouw Kroonjuweel, Hogeschool van Amsterdam. Attended portions.

2013.01.21–2013.01.24 Spain
Crypto for 2020. Hotel Jardin Tropical, Tenerife.

2013.01.14–2013.01.18 invited Luxembourg
ESC 2013: Early Symmetric Crypto. Hotel Am Klouschter, Mondorf-les-Bains.

2013.01.09–2013.01.11 USA
Real-World Crypto. Stanford University.

2012.12.27–2012.12.30 refereed Germany
29th Chaos Communication Congress (29C3). Hamburg.

2012.12.09–2012.12.12 refereed India
Indocrypt 2012. Calcutta.

2012.11.28–2012.11.29 Germany
escar 2012: Embedded Security in Cars. Berlin.

2012.11.20–2012.11.21 organized Belgium
CIoT: Cryptography for the Internet of Things. Antwerp.

2012.11.15–2012.11.16 invited Taiwan
TWISC 2012: Taiwan-Germany Workshop on Information Security and Crypto and TWISC Annual Exhibition. International Conference Center, National Chung-Hsing University, Taichung.

2012.11.05–2012.11.09 invited Netherlands
Post-Quantum Cryptography and Quantum Algorithms. Lorentz Center, Leiden University.

2012.10.28–2012.10.31 invited Mexico
ECC 2012. Auditorium José Arana Morán, Universidad Autónoma de Querétaro.

2012.10.07–2012.10.10 Chile
Latincrypt 2012. Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago.

2012.09.24–2012.09.28 invited France
YACC 2012. Porquerolles.

2012.09.10–2012.09.12 Belgium
CHES 2012. Aula Pieter de Somer, Leuven.

2012.09.03–2012.09.05 Germany
ECRYPT Summer School: Challenges in Security Engineering 2012. Bochum.

2012.08.19–2012.08.23 USA
Crypto 2012. University of California, Santa Barbara.

2012.08.08–2012.08.10 USA
USENIX Security Symposium 2012. Hyatt Regency Bellevue.

2012.07.09–2012.07.13 refereed USA
ANTS X: Algorithmic Number Theory Symposium. Robinson Auditorium, University of California, San Diego.

2012.07.05–2012.07.06 organized Sweden
DIAC: Directions In Authenticated Ciphers. Clarion Sign, Stockholm.

2012.07.02–2012.07.03 refereed Netherlands
RFIDsec 2012. Hotel Erica, Berg en Dal.

2012.06.26–2012.06.29 refereed Singapore
ACNS 2012: Applied Cryptography and Network Security. Novotel.

2012.06.17–2012.06.17 Germany
2012 PRACE Scientific Conference. Radisson Blu, Hamburg.

2012.05.31–2012.06.01 Netherlands
DIAMANT symposium. Hotel Veldenbos, Nunspeet. Attended portions.

2012.05.31–2012.05.31 Netherlands
AMI Spring Festival. University of Twente. Attended portions.

2012.05.16–2012.05.18 Germany
Pairing 2012. Marriott, Cologne.

2012.05.09–2012.05.11 Denmark
CBC 2012: Code-based Cryptography Workshop. Danmarks Tekniske Universitet, Lyngby.

2012.04.15–2012.04.19 England
Eurocrypt 2012. Cambridge University.

2012.04.12–2012.04.12 Netherlands
Nederlands Mathematisch Congres. Technische Universiteit Eindhoven.

2012.03.22–2012.03.23 refereed USA
Third SHA-3 Candidate Conference. Washington Marriott.

2012.03.19–2012.03.21 USA
FSE 2012. Washington Marriott.

2012.03.17–2012.03.18 organized USA
SHARCS 2012: Special-purpose Hardware for Attacking Cryptographic Systems. Washington Marriott.

2012.03.05–2012.03.09 invited Belgium
SecAppDev 2012. Irish College, Leuven. Attended portions.

2012.01.31–2012.02.02 England
Is Cryptographic Theory Practically Relevant? Isaac Newton Institute for Mathematical Sciences, Cambridge.

2012.01.15–2012.01.20 invited Germany
Symmetric Cryptography. Schloss Dagstuhl.

2012.01.12–2012.01.14 invited India
Workshop on Mathematical and Statistical Aspects of Cryptography. Indian Statistical Institute, Kolkata.

2011.12.11–2011.12.14 organized India
Indocrypt 2011: 12th International Conference on Cryptology in India. Institute of Mathematical Sciences, Chennai.

2011.11.29–2011.12.02 refereed Taiwan
PQCrypto 2011: Fourth International Conference on Post-Quantum Cryptography. Howard International House, Taipei.

2011.11.24–2011.11.25 invited Netherlands
DIAMANT Symposium. Conferentiecentrum Mennorode, Nunspeet. Attended portions.

2011.11.17–2011.11.18 Spain
Spanish Cryptography Days (Jornadas Criptografia). University of Murcia.

2011.10.16–2011.10.20 invited Brazil
ITW 2011: 2011 IEEE Information Theory Workshop. Casa da Cultura, Paraty.

2011.10.06–2011.10.08 USA
AG11: SIAM Conference on Applied Algebraic Geometry. North Carolina State University, Raleigh. Attended portions.

2011.10.04–2011.10.04 Netherlands
High Performance Cloud Computing Day. Turingzaal, CWI, Amsterdam.

2011.09.19–2011.09.21 France
ECC 2011. INRIA, Nancy.

2011.09.18–2011.09.23 invited Germany
Quantum Cryptanalysis. Schloss Dagstuhl. Attended portions.

2011.08.24–2011.08.26 invited South Korea
International Conference on Coding and Cryptography. Ewha Womans University, Seoul.

2011.08.14–2011.08.18 refereed USA
Crypto 2010. University of California, Santa Barbara.

2011.07.25–2011.07.29 invited Switzerland
Combinatorial, Algebraic and Algorithmic Aspects of Coding Theory. Polydome, Ecole Polytechnique Federale de Lausanne.

2011.07.17–2011.07.23 invited Germany
Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

2011.07.04–2011.07.07 Senegal
Africacrypt 2011: Fourth International Conference on Cryptology in Africa. Agence universitaire de la Francophonie, Dakar.

2011.05.30–2011.06.03 invited China
IWCC 2011: International Workshop on Coding and Cryptology. Qingdao Garden Hotel, Qingdao.

2011.05.23–2011.05.24 invited Poland
Quo vadis cryptology? SHA-3 contest. LORD Hotel, Warsaw.

2011.05.19–2011.05.20 Estonia
ECRYPT II Hash Workshop 2011. Tallink Spa Hotel, Tallinn.

2011.03.06–2011.03.09 refereed Italy
PKC 2011: Public Key Cryptography 2011. Hotel Villa Diodoro, Taormina.

2011.02.21–2011.02.25 Sweden
Workshop on Solving Polynomial Equations. http://www.math.kth.se/~dirocco/ML2011/CIAMWORKSHOP/workshopCIAM.html KTH Royal Institute of Technology, Stockholm.

2011.02.16–2011.02.17 refereed Denmark
SKEW 2011: Symmetric Key Encryption Workshop 2011. Danmarks Tekniske Universitet, Lyngby.

2011.02.13–2011.02.16 Denmark
Fast Software Encryption 2011 (FSE 2011). Danmarks Tekniske Universitet, Lyngby.

2011.02.03–2011.02.06 Austria
Arbeitstagung Allgemeine Algebra (AAA 81). University of Salzburg.

2010.12.27–2010.12.30 invited Germany
27C3: 27th Chaos Communication Congress. Berliner Congress Center, Berlin.

2010.12.12–2010.12.15 refereed India
Indocrypt 2010. Marriott Convention Center, Hyderabad.

2010.12.01–2010.12.01 Netherlands
26th SARA Superdag. Turingzaal, CWI, Amsterdam.

2010.11.13–2010.11.18 USA
SC10: the International Conference for High Performance Computing, Networking, Storage and Analysis. Ernest N. Morial Convention Center, New Orleans.

2010.10.24–2010.10.24 invited USA
WESS 2010: Workshop on Embedded Systems Security. Westin Kierland Resort, Scottsdale, Arizona.

2010.10.18–2010.10.22 invited USA
ECC 2010. Microsoft Research, Redmond.

2010.09.27–2010.09.29 Belgium
ICT 2010. Brussels Expo. Attended portions.

2010.09.08–2010.09.09 Belgium
European Cryptography Day. Katholieke Universiteit Leuven.

2010.08.23–2010.08.24 invited USA
Second SHA-3 Candidate Conference. University of California, Santa Barbara.

2010.08.17–2010.08.20 USA
CHES 2010. University of California, Santa Barbara.

2010.08.15–2010.08.19 USA
Crypto 2010. University of California, Santa Barbara.

2010.08.15–2010.08.24 organized USA
AppliedCrypto 2010. University of California, Santa Barbara.

2010.08.08–2010.08.11 refereed Mexico
LatinCrypt 2010. Puebla.

2010.07.19–2010.07.23 France
ANTS IX: Algorithmic Number Theory Symposium IX. INRIA, Nancy.

2010.06.27–2010.06.30 refereed Turkey
WAIFI 2010: International Workshop on the Arithmetic of Finite Fields. Grand Hyatt Istanbul.

2010.06.23–2010.06.25 England
SCC 2010: 2nd International Conference on Symbolic Computation and Cryptography. Royal Holloway, University of London.

2010.06.22–2010.06.23 England
ECRYPT Workshop on Tools for Cryptanalysis 2010. Royal Holloway, University of London.

2010.05.31–2010.06.03 Monaco
Eurocrypt 2010. Grimaldi Forum.

2010.05.29–2010.05.29 France
LCD: Lattice Crypto Day. ENS, Paris.

2010.05.25–2010.05.28 refereed Germany
PQCrypto 2010: Third International Workshop on Post-Quantum Cryptography. Fraunhofer Institute, Darmstadt.

2010.05.17–2010.05.21 invited Belgium
GTEM Workshop on Computational Number Theory and Arithmetic Geometry. Arenbergkasteel, Leuven.

2010.05.03–2010.05.06 organized South Africa
AFRICACRYPT 2010: Third International Conference on Cryptology in Africa. Stellenbosch Institute for Advanced Study.

2010.04.19–2010.04.23 invited Canada
Counting Points: Theory, Algorithms and Practice. Le Centre de recherches mathématiques, University of Montreal.

2010.04.12–2010.04.16 invited Canada
Computer Security and Cryptography. Le Centre de recherches mathématiques, University of Montreal.

2010.02.26–2010.02.26 invited Taiwan
The First Taiwanese Workshop on Security and System-on-Chip. National Taiwan University, Taipei.

2010.02.15–2010.02.19 Netherlands
Provable Security Against Physical Attacks. Lorentz Center, Leiden University.

2010.02.04–2010.02.05 invited Netherlands
Beveiligingsconferentie SURFnet / SURFibo. Koninklijke Bibliotheek, Den Haag.

2010.01.11–2010.01.15 invited Luxembourg
ESC 2010: Early Symmetric Crypto seminar. Centre de Formation et de Seminaires, Remich.

2009.12.13–2009.12.16 invited India
Indocrypt 2009. Indian National Science Academy, New Delhi.

2009.11.26–2009.11.27 Netherlands
DIAMANT/EIDMA Symposium. Het Bosgoed, Lunteren.

2009.11.16–2009.11.20 invited Spain
Hash^3: Proofs, Analysis, and Implementation. Hotel Jardin Tropical, Costa Adeje, Tenerife.

2009.10.12–2009.10.13 refereed Germany
Software Performance Enhancement for Encryption and Decryption and Cryptographic Compilers (SPEED-CC). Radisson Blu, Berlin.

2009.10.06–2009.10.06 invited Belgium
CRYPTASC Workshop. QUIC, Université Libre de Bruxelles. Attended portions.

2009.09.22–2009.09.26 invited Canada
Discovery and Experimentation in Number Theory. Fields Institute, Waterloo, Ontario.

2009.09.11–2009.09.12 invited Germany
Factoring 2009. Bochum.

2009.09.09–2009.09.10 Switzerland
SHARCS 2009. Ecole Polytechnique Federale de Lausanne.

2009.09.06–2009.09.09 Switzerland
CHES 2009. Ecole Polytechnique Federale de Lausanne.

2009.08.24–2009.08.26 invited Canada
ECC 2009. University of Calgary.

2009.08.16–2009.08.20 refereed USA
Crypto 2009. University of California at Santa Barbara.

2009.08.12–2009.08.14 USA
Third International Conference on Pairing-Based Cryptography (Pairing 2009). Stanford University.

2009.08.10–2009.08.10 invited Canada
3rd USENIX Workshop on Offensive Technologies (WOOT '09). Le Centre Sheraton Hotel Montreal.

2009.07.26–2009.07.31 invited Germany
Classical and Quantum Information Assurance: Foundations and Practice. Schloss Dagstuhl.

2009.07.12–2009.07.18 invited Germany
Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

2009.07.10–2009.07.10 Germany
ECRYPT MAYA WG1. Berlin.

2009.07.09–2009.07.09 Germany
Gerhard Frey retirement conference. IEM, Essen.

2009.06.24–2009.06.27 invited Brazil
Fórum Internacional de Software Livre. Pontifícia Universidade do Rio Grande do Sul (PUCRS), Porto Alegre.

2009.06.16–2009.06.16 France
Code-Based Cryptography Day. INRIA Rocquencourt.

2009.05.24–2009.05.29 invited Germany
Algorithms and Number Theory. Schloss Dagstuhl.

2009.05.11–2009.05.15 invited Canada
Cryptography Retrospective Meeting. Fields Institute, Toronto.

2009.05.04–2009.05.06 Germany
Workshop on Pairings in Arithmetic Geometry and Cryptography. Institute for Experimental Mathematics, University of Duisburg-Essen.

2009.04.26–2009.04.30 Germany
EUROCRYPT 2009. Maritim Hotel, Cologne.

2009.04.20–2009.04.24 Netherlands
Counting Points on Varieties. Lorentz Center, Leiden University. Attended portions.

2009.04.18–2009.04.18 Netherlands
Algoritmen Alom: 50 jaar algoritmen in Nederland. Spoorwegmuseum Utrecht. Attended portions.

2009.03.30–2009.04.03 invited France
Arithmetic, Geometry, Cryptography and Coding Theory (AGCT-12). Centre International de Rencontres Mathematiques, Luminy. Marseille.

2009.03.26–2009.03.28 invited France
ESF Exploratory Workshop: Curves, Coding Theory, and Cryptography. Institut de Mathematiques de Luminy, Marseille.

2009.03.17–2009.03.19 invited India
Hack.In 2009: 3rd Hackers' Workshop on Computer and Internet Security. Indian Institute of Technology, Kanpur.

2009.02.25–2009.02.28 Belgium
First SHA-3 Candidate Conference. Universiteitshal, Katholieke Universiteit Leuven.

2009.02.22–2009.02.25 Belgium
Fast Software Encryption 2009. Universiteitshal, Katholieke Universiteit Leuven.

2009.02.02–2009.02.03 Switzerland
ECRYPT VAMPIRE WG1. Ecole Polytechnique Federale de Lausanne.

2009.01.30–2009.01.30 Netherlands
Experiences with the GPU and the Cell processor. EWI Building, Technische Universiteit Delft.

2009.01.11–2009.01.16 invited Germany
Symmetric Cryptography. Schloss Dagstuhl.

2008.12.14–2008.12.17 refereed India
Indocrypt 2008. Indian Institute of Technology, Kharagpur.

2008.12.07–2008.12.11 Australia
Asiacrypt 2008. Hilton on the Park, Melbourne.

2008.12.04–2008.12.04 Netherlands
CACE General Assembly. Hotel Victoria, Amsterdam.

2008.11.25–2008.11.25 Belgium
ECRYPT II Kickoff Meeting. Katholieke Universiteit Leuven.

2008.10.17–2008.10.19 invited USA
The Second International Workshop on Post-Quantum Cryptography (PQCrypto 2008). University of Cincinnati.

2008.10.07–2008.10.09 invited France
CADO Workshop on Integer Factorization. INRIA, Nancy.

2008.09.22–2008.09.24 organized Netherlands
The 12th Workshop on Elliptic Curve Cryptography (ECC 2008). Trianon Zalen, Utrecht.

2008.09.15–2008.09.19 invited Netherlands
DIAMANT Summer School on Elliptic and Hyperelliptic Curve Cryptography. Technische Universiteit Eindhoven.

2008.09.01–2008.09.03 England
Pairings 2008. Royal Holloway, University of London.

2008.08.22–2008.08.22 Netherlands
CACE WP4: Securing Distributed Management of Information. Technische Universiteit Eindhoven.

2008.08.17–2008.08.21 USA
Crypto 2008. University of California at Santa Barbara.

2008.08.10–2008.08.13 refereed USA
Cryptographic Hardware and Embedded Systems (CHES) 2008. Renaissance Mayflower Hotel, Washington.

2008.07.22–2008.07.23 Portugal
CACE WP5: Formal Verification and Validation. Hotel de Boavista, Porto.

2008.07.14–2008.07.18 invited Netherlands
Fifth European Congress of Mathematics (5ECM). Amsterdam RAI.

2008.07.02–2008.07.04 Austria
8th Central European Conference on Cryptography. Graz University of Technology.

2008.06.11–2008.06.14 refereed Morocco
AfricaCrypt 2008. Hotel Royal Mansour Meridien, Casablanca.

2008.06.02–2008.06.06 invited Netherlands
Hash functions in cryptology: theory and practice. Lorentz Center, Leiden University.

2008.05.29–2008.05.30 Netherlands
DIAMANT/EIDMA Symposium. Kasteel Oud-Poelgeest, Leiden. Attended portions.

2008.05.27–2008.05.29 Belgium
Cryptology and Watermarking: Challenges for Academia and Industry. Hilton, Antwerp.

2008.05.18–2008.05.22 Canada
Algorithmic Number Theory Symposium (ANTS). Banff Centre, Alberta.

2008.05.12–2008.05.16 invited Greece
ECRYPT Summer School on Advanced Topics in Cryptography. Fodele Beach Hotel, Crete.

2008.04.28–2008.04.29 England
CACE WP1 + WP2: Automating Cryptographic Implementation + Accelerating Secure Networking. University of Bristol.

2008.04.23–2008.04.24 invited Germany
Troopers08. Kempinski Airport Hotel, Munich.

2008.04.21–2008.04.22 invited Netherlands
EIPSI Grand Opening. Technische Universiteit Eindhoven.

2008.04.13–2008.04.17 refereed Turkey
EUROCRYPT 2008. Istanbul Hilton Hotel.

2008.03.26–2008.03.28 Netherlands
RFID Security Workshop. Lorentz Center, Leiden University.

2008.03.20–2008.03.20 Belgium
BCRYPT Workshop on Elliptic Curve Cryptography. Katholieke Universiteit Leuven.

2008.03.17–2008.03.18 Germany
Secure Electronic Component Identification (SECSI). Novotel, Berlin.

2008.02.13–2008.02.14 refereed Switzerland
State of the Art of Stream Ciphers (SASC) 2008. Hotel Moevenpick, Lausanne.

2008.02.10–2008.02.13 Switzerland
Fast Software Encryption (FSE) 2008. Hotel Moevenpick, Lausanne.

2008.01.28–2008.01.31 Mexico
Financial Cryptography and Data Security 2008. El Cozumeleno Beach Resort, Cozumel, Mexico.

2008.01.07–2008.01.11 invited Luxembourg
Echternach Symmetric Cryptography (ESC) Seminar. Hotel Bel-Air, Echternach.

2007.12.16–2007.12.20 invited India
Applied Algebra, Algebraic Algorithms, and Error Correcting Codes (AAECC-17). Indian Institute of Science, Bangalore.

2007.12.09–2007.12.12 India
Indocrypt 2007. Indian Institute of Technology, Madras.

2007.12.02–2007.12.06 refereed Malaysia
Asiacrypt 2007. Crowne Plaza Riverside, Kuching, Sarawak.

2007.11.29–2007.11.30 invited South Korea
10th International Conference on Information Security and Cryptology (ICISC 2007). Seoul Olympic Parktel.

2007.11.16–2007.11.17 Germany
Kolloquium ueber Kombinatorik. Otto-von-Guericke-Universitaet Magdeburg.

2007.11.12–2007.11.13 Belgium
ECRYPT Stream-Cipher Retreat. Katholieke Universiteit Leuven.

2007.11.10–2007.11.11 invited England
SAGE Days 6. University of Bristol.

2007.11.07–2007.11.07 Netherlands
NLUUG 25. Beurs van Berlage, Amsterdam.

2007.11.02–2007.11.02 invited USA
Computer Security Architecture Workshop (CSAW). George Mason University, Fairfax, Virginia.

2007.10.30–2007.11.01 USA
ACM Conference on Computer and Communications Security (CCS) 2007. Hilton Alexandria Mark Center, Alexandria, Virginia.

2007.10.15–2007.10.19 invited France
Explicit Methods in Number Theory 2007. Université Bordeaux I.

2007.09.24–2007.09.25 refereed Poland
ECRYPT Workshop on Tools for Cryptanalysis. Conference Center of the Jagiellonian University in Kraków-Przegorzały.

2007.09.10–2007.09.13 Austria
Cryptographic Hardware and Embedded Systems (CHES) 2007. Vienna Marriott Hotel.

2007.09.09–2007.09.10 organized Austria
Special-purpose Hardware for Attacking Cryptographic Systems (SHARCS) 2007. Vienna Marriott Hotel.

2007.09.05–2007.09.07 invited Ireland
Elliptic Curve Cryptography (ECC) 2007. University College Dublin.

2007.09.03–2007.09.04 invited Ireland
Tutorial on Elliptic and Hyperelliptic Curve Cryptography 2007. University College Dublin.

2006.08.19–2006.08.23 invited USA
Crypto 2007. University of California at Santa Barbara.

2007.08.16–2007.08.17 invited Canada
Selected Areas in Cryptography (SAC) 2007. University of Ottawa, Ontario.

2007.07.15–2007.07.21 invited Germany
Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

2007.07.09–2007.07.13 Australia
8th International Conference on Finite Fields and Applications (FQ8). Amora Hotel Riverwalk Melbourne, Richmond.

2007.07.02–2007.07.04 Japan
International Conference on Pairing-based Cryptography (Pairing 2007). National Institute of Informatics, Tokyo.

2007.06.29–2007.07.01 France
LLL+25. University of Caen.

2007.06.28–2007.06.28 France
ECRYPT AZTEC WG2: Asymmetric Cryptanalysis. University of Caen. Attended portions.

2007.06.14–2007.06.15 Italy
ECRYPT AZTEC WG3: Asymmetric techniques with special properties. Florence.

2007.06.11–2007.06.12 organized Netherlands
Software Performance Enhancement for Encryption and Decryption (SPEED). Victoria Hotel, Amsterdam.

2007.06.07–2007.06.07 invited USA
Mathfest 2007. National Security Agency, Fort Meade, Maryland.

2007.05.28–2007.05.28 invited Poland
Quo vadis cryptology? LORD Hotel, Warsaw.

2007.05.24–2007.05.25 refereed Spain
ECRYPT Hash Workshop 2007. Universitat Oberta de Catalunya, Barcelona.

2007.05.20–2007.05.24 Spain
Eurocrypt 2007. Catalonia Barcelona Plaza Hotel, Barcelona. Attended portions.

2007.05.16–2007.05.20 invited USA
Number Theory Fest. Department of Mathematics, University of Illinois at Urbana-Champaign. Attended portions.

2007.05.08–2007.05.11 Finland
Algorithmic Number Theory. Quantum, University of Turku.

2007.04.30–2007.05.04 invited Greece
Emerging Topics in Cryptographic Design and Cryptanalysis. Doryssa Seaside Resort, Pythagorion, Samos.

2007.04.16–2007.04.20 invited USA
IMA Thematic Year on Applications of Algebraic Geometry; workshop on complexity, coding, and communications. http://www.ima.umn.edu/2006-2007/W4.16-20.07/index.html; mirror. Institute for Mathematics and its Applications, University of Minnesota, Minneapolis.

2007.04.14–2007.04.15 USA
AMS 2007 Spring Eastern Section Meeting. Stevens Institute of Technology.

2007.03.26–2007.03.28 Luxembourg
Fast Software Encryption 2007. Neumünster Abbey, Luxembourg City.

2007.03.23–2007.03.23 Netherlands
Verification and Validation of Software Systems (VVSS) 2007. Technische Universiteit Eindhoven. Attended portions.

2007.02.08–2007.02.09 England
ECRYPT VAMPIRE WG1. Bristol University.

2007.01.31–2007.02.01 refereed Germany
http://sasc.crypto.rub.de; mirror. SASC 2007---The State of the Art of Stream Ciphers. Ruhr University Bochum.

2007.01.25–2007.01.26 Belgium
ECRYPT AZTEC WG1: Provable Security. Katholieke Universiteit Leuven.

2007.01.08–2007.01.12 Netherlands
Mathematics: Algorithms and Proofs. Lorentz Center, Leiden University. Attended portions.

2006.12.11–2006.12.13 invited India
Indocrypt 2006. Park Hotel, Calcutta (Kolkata).

2006.12.03–2006.12.07 China
Asiacrypt 2006. Regal International East Asia Hotel, Shanghai.

2006.11.27–2006.12.01 invited Canada
New directions in cryptography. Fields Institute, Toronto, Ontario.

2006.11.18–2006.11.23 Canada
Polynomials over Finite Fields and Applications. Banff Centre, Alberta.

2006.10.30–2006.11.03 invited Canada
Computational challenges arising in algorithmic number theory and cryptography. Fields Institute, Toronto, Ontario.

2006.10.09–2006.10.13 USA
Number Theory and Cryptography---Open Problems. Institute for Pure and Applied Mathematics, Los Angeles, California.

2006.10.02–2006.10.06 invited Canada
Quantum Cryptography and Computing. Fields Institute, Toronto, Ontario.

2006.09.18–2006.09.20 invited Canada
Elliptic Curve Cryptography (ECC) 2006. Fields Institute, Toronto, Ontario.

2006.09.11–2006.09.15 invited Canada
http://www.hyperelliptic.org/tanja/conf/summerschool06/. Summer School on Elliptic and Hyperelliptic Curve Cryptography. Fields Institute, Toronto, Ontario.

2006.08.30–2006.09.01 invited Brazil
WCAP 2006: Third Workshop on Cryptographic Algorithms and Protocols. Mendes Convention Center, Santos.

2006.08.28–2006.08.30 invited Brazil
SBSeg 2006: 6th Brazilian Symposium on Information and Computer System Security. Mendes Convention Center, Santos.

2006.08.24–2006.08.25 USA
Second Cryptographic Hash Workshop. University of California at Santa Barbara.

2006.08.20–2006.08.24 USA
Crypto 2006. University of California at Santa Barbara.

2006.08.10–2006.08.24 invited Taiwan
Information Security Summer School (ISSS) 2006. National Taiwan University of Science and Technology, Taipei. Attended portions.

2006.08.01–2006.08.03 invited Japan
2006 Workshop on Cryptography and Related Mathematics. Chuo University, Tokyo.

2006.07.28–2006.07.29 Germany
Workshop on Computational Number Theory for Cryptanalysis. Berlin.

2006.07.23–2006.07.28 Germany
Algorithmic Number Theory Symposium (ANTS) VII. Berlin.

2006.07.13–2006.07.16 Australia
Dry and Discrete. Ayers Rock, Northern Territory. Attended portions.

2006.07.12–2006.07.19 Australia
Seventeenth Australasian Workshop on Combinatorial Algorithms (AWOCA 2006). Ayers Rock, Northern Territory. Attended portions.

2006.07.08–2006.07.12 invited Australia
Special Session on Combinatorics for Cryptography; 31st Australasian Conference on Combinatorial Mathematics & Combinatorial Computing (31ACCMCC). Alice Springs, Northern Territory.

2006.06.19–2006.07.07 invited USA
Summer School on Computational Number Theory and Applications to Cryptography. University of Wyoming, Laramie. Attended second week.

2006.06.16–2006.06.16 Belgium
Recent Results on Side-Channel Resistant Designs. Louvain-la-Neuve.

2006.06.11–2006.06.15 invited Belgium
Summer School on Cryptographic Hardware, Side-Channel and Fault Attacks. Louvain-la-Neuve.

2006.05.28–2006.06.01 Russia
http://www.iacr.org/conferences/eurocrypt2006/; mirror. Eurocrypt 2006. St. Petersburg.

2006.05.24–2006.05.26 organized Belgium
http://postquantum.cr.yp.to. PQCrypto 2006: International Workshop on Post-Quantum Cryptography. Katholieke Universiteit Leuven.

2006.05.15–2006.05.19 invited USA
Workshop on the computational complexity of polynomial factorization. American Institute of Mathematics, Palo Alto, California.

2006.04.24–2006.04.26 refereed USA
Public Key Cryptography (PKC) 2006. http://pkc06.cs.columbia.edu; mirror. Columbia University, New York.

2006.04.08–2006.04.09 invited USA
Special Session on Number Theory; Central Section Meeting, American Mathematical Society. http://www.ams.org/amsmtgs/2130_program.html; mirror. University of Notre Dame, Indiana.

2006.04.03–2006.04.04 organized Germany
Special-purpose Hardware for Attacking Cryptographic Systems (SHARCS) 2006. http://www.ruhr-uni-bochum.de/itsc/tanja/SHARCS/; mirror. Cologne.

2006.03.11–2006.03.15 invited USA
Arizona Winter School. Tucson.

2006.02.02–2006.02.03 refereed Belgium
SASC 2006---Stream Ciphers Revisited. http://www.ecrypt.eu.org/stvl/sasc2006/; mirror. Leuven.

2005.12.10–2005.12.12 India
Indocrypt 2005. Bangalore.

2005.11.05–2005.11.11 invited Canada
Number Theory Inspired by Cryptography. Banff Centre, Alberta.

2005.09.19–2005.09.21 invited Denmark
Elliptic Curve Cryptography (ECC) 2005. http://www.cacr.math.uwaterloo.ca/conferences/2005/ecc2005/announcement.html; mirror. Denmark Technical University, Copenhagen.

2005.08.14–2005.08.18 USA
Crypto 2005. http://www.iacr.org/conferences/crypto2005; mirror. University of California at Santa Barbara.

2005.07.23–2005.07.29 Greece
Number fields and curves over finite fields. http://www.mat.uniroma2.it/~schoof/anogia.html; mirror. Anogia Academic Village, Crete.

2005.07.17–2005.07.23 invited Germany
Explicit Methods in Number Theory. http://www.mfo.de/cgi-bin/tagungsdb?type=21&tnr=0529; mirror. Mathematisches Forschungsinstitut, Oberwolfach.

2005.07.14–2005.07.15 Austria
ECRYPT Workshop on RFID and Lightweight Crypto. http://www.iaik.tu-graz.ac.at/research/krypto/events/index.php; mirror. Graz.

2005.06.30–2005.07.09 invited Spain
Computational Number Theory Workshop (and other workshops); Foundations of Computational Mathematics (FoCM) 2005. http://www.damtp.cam.ac.uk/user/na/FoCM/FoCM05; mirror. http://www.maths.ox.ac.uk/~lauder/focm/cnt.html; mirror. Universidad de Cantabria, Santander.

2005.06.10–2005.06.11 invited USA
CAM 2005. http://www.math.ucok.edu/_cam/cam.html; mirror. University of Central Oklahoma, Edmond, Oklahoma.

2005.05.31–2005.06.02 invited Poland
ENIGMA 2005. http://www.enigma.com.pl/konferencje/ix_kkzk/index.htm; mirror. Warsaw.

2005.05.30–2005.05.30 invited Poland
Quo Vadis Cryptology? Advances in Cryptanalysis. http://ece.gmu.edu/quovadis/quovadis3/quovadis3.htm; mirror. Warsaw.

2005.05.26–2005.05.27 refereed Denmark
ECRYPT STVL Workshop on Symmetric Key Encryption (SKEW). http://www2.mat.dtu.dk/people/Lars.R.Knudsen/stvl; mirror. Scandinavian Congress Center, Aarhus.

2005.05.22–2005.05.26 refereed Denmark
Eurocrypt 2005. http://www.brics.dk/eurocrypt05/; mirror. Scandinavian Congress Center, Aarhus.

2005.02.24–2005.02.25 invited France
Special-purpose Hardware for Attacking Cryptographic Systems (SHARCS). http://www.sharcs.org; mirror. Paris.

2005.02.21–2005.02.23 refereed France
Fast Software Encryption (FSE) 2005. http://crypto.rd.francetelecom.com/fse2005/; mirror. Paris.

2004.11.13–2004.11.18 invited Canada
Explicit Methods in Number Theory. Banff Centre, Alberta.

2004.10.23–2004.10.24 USA
Special Session on Solving Polynomial Systems; Central Section Meeting, American Mathematical Society (AMS). http://www.ams.org/amsmtgs/2113_program.html. Northwestern University, Evanston, Illinois.

2004.08.15–2004.08.19 USA
http://www.iacr.org/conferences/c2004/. Crypto 2004. University of California at Santa Barbara.

2004.07.13–2004.07.15 Australia
http://www.ics.mq.edu.au/acisp04/. 9th Australasian Conference on Information Security and Privacy (ACISP 2004). Macquarie University, Sydney.

2004.07.07–2004.07.12 invited Australia
http://www.it.deakin.edu.au/cryptography2004/. Polynomial-Based Cryptography. University of Melbourne.

2004.07.05–2004.07.06 Australia
http://www.isrc.qut.edu.au/events/eracom2004/. Eracom 2004. Crowne Plaza. Gold Coast, Queensland.

2004.06.20–2004.06.25 invited Canada
http://fields.utoronto.ca/programs/scientific/03-04/CNTA8/. Canadian Number Theory Association (CNTA) VIII. University of Toronto, Ontario.

2004.06.13–2004.06.18 invited USA
http://web.ew.usna.edu/~ants/. Algorithmic Number Theory Symposium (ANTS) VI. University of Vermont, Burlington.

2004.05.13–2004.05.15 invited USA
Special Session on Coding Theory and Cryptography; Sixth International Joint Meeting, American Mathematical Society (AMS) and Sociedad Matematica Mexicana. http://www.ams.org/amsmtgs/2104_program.html. Hyatt Regency Houston, Texas.

2003.11.07–2003.11.09 organized USA
http://mpkc2003.mwisc.org. Mathematics of Public Key Cryptography (MPKC) 2003. University of Illinois at Chicago.

2003.08.17–2003.08.21 USA
http://www.iacr.org/conferences/c2003/. Crypto 2003. University of California at Santa Barbara.

2003.07.20–2003.07.26 invited Germany
http://www.mfo.de/Meetings/Meeting_Program_2003.html#T0330. Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

2003.05.24–2003.05.30 invited Canada
http://www.fields.utoronto.ca/programs/scientific/02-03/numtheory. Conference in Number Theory in Honour of Professor H. C. Williams. Banff Centre, Alberta.

2003.05.10–2003.05.10 invited USA
Midwest Algebraic Number Theory Day. University of Illinois at Chicago.

2003.05.03–2003.05.04 invited USA
Special Session on Geometry and Arithmetic over Finite Fields; Western Section Meeting, American Mathematical Society (AMS). http://www.ams.org/amsmtgs/2096_program.html. San Francisco State University, California.

2003.04.04–2003.04.06 invited USA
Special Session on Cryptography and Computational and Algorithmic Number Theory; Central Section Meeting, American Mathematical Society (AMS). http://www.ams.org/amsmtgs/2085_program.html. Indiana University, Bloomington.

2003.03.24–2003.03.28 invited USA
http://www.aimath.org/ARCC/workshops/primesinp.html. Future directions in algorithmic number theory. American Institute of Mathematics, Palo Alto, California.

2003.03.21–2003.03.23 invited USA
Lenstra Treurfeest. Mathematical Sciences Research Institute, Berkeley, California, and University of California at Berkeley.

2003.03.13–2003.03.15 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/200/show_workshop. Computational Commutative Algebra. Mathematical Sciences Research Institute, Berkeley, California.

2003.02.03–2003.02.07 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/199/show_workshop. Commutative Algebra: Interactions with Homological Algebra and Representation Theory. Mathematical Sciences Research Institute, Berkeley, California.

2002.12.13–2002.12.17 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/204/show_workshop. Algorithms in Quantum Information Processing. Mathematical Sciences Research Institute, Berkeley, California.

2002.12.09–2002.12.12 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/205/show_workshop. The Feynman Integral Along with Related Topics and Applications. Mathematical Sciences Research Institute, Berkeley, California. Attended portions.

2002.12.02–2002.12.06 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/197/show_workshop. Commutative Algebra: Local and Birational Theory. Mathematical Sciences Research Institute, Berkeley, California. Attended portions.

2002.11.04–2002.11.08 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/203/show_workshop. Quantum Information and Cryptography. Mathematical Sciences Research Institute, Berkeley, California.

2002.10.21–2002.10.23 USA
http://www.ipam.ucla.edu/programs/nanoquant/. Models of Quantum Computing. Institute for Pure and Applied Mathematics, Los Angeles, California.

2002.10.07–2002.10.11 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/241/show_workshop. Semidefinite Programming and Applications. Mathematical Sciences Research Institute, Berkeley, California. Attended portions.

2002.09.09–2002.09.13 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/196/show_workshop. Introductory Workshop in Commutative Algebra. Mathematical Sciences Research Institute, Berkeley, California. Attended portions.

2002.08.26–2002.08.30 USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/201/show_workshop. Introductory Workshop in Quantum Computation. Mathematical Sciences Research Institute, Berkeley, California.

2002.08.18–2002.08.22 USA
http://www.iacr.org/conferences/c2002/. Crypto 2002. University of California at Santa Barbara.

2002.08.13–2002.08.15 USA
http://www.chesworkshop.org/. Workshop on Cryptographic Hardware and Embedded Systems (CHES) 2002. Redwood City, California.

2002.08.05–2002.08.09 USA
http://www.usenix.org/events/sec02/. 11th USENIX Security Symposium. University of Minnesota, Minneapolis.

2002.06.15–2002.06.17 invited Canada
Special Session on Cryptography and Quantum Computing; 2002 Summer Meeting, Canadian Mathematical Society (CMS). http://www.cms.math.ca/Events/summer02/. University of Laval, Quebec.

2002.05.17–2002.05.18 USA
http://www.math.uiuc.edu/~hildebr/nt02/. 2002 Illinois Number Theory Conference. University of Illinois at Urbana-Champaign.

2001.11.02–2001.11.04 invited USA
http://www.math.uiuc.edu/~boston/magc3.html. Midwest Arithmetical Geometry in Cryptography (MAGC). University of Illinois at Urbana-Champaign.

2001.10.29–2001.10.31 invited Canada
http://www.cacr.math.uwaterloo.ca/conferences/2001/ecc/announcement.html. Elliptic Curve Cryptography (ECC) 2001. University of Waterloo, Ontario.

2001.09.21–2001.09.23 invited USA
Special Session on Cryptography and Computational and Algorithmic Number Theory; Central Section Meeting, American Mathematical Society (AMS). Ohio State University, Columbus.

2001.08.19–2001.08.23 USA
http://www.iacr.org/conferences/c2001/. Crypto 2001. University of California at Santa Barbara.

2001.07.22–2001.07.28 invited Germany
http://www.mfo.de/Meetings/Meeting_Program_2001.html#T0130. Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

2001.05.13–2001.05.18 invited Germany
http://www.dagstuhl.de/DATA/Seminars/01/#01201. Algorithms and Number Theory. Schloss Dagstuhl.

2001.05.06–2001.05.11 Austria
http://www.iacr.org/conferences/eurocrypt2001/. Eurocrypt 2001. Innsbruck.

2000.10.16–2000.10.20 invited USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/5/show_workshop. Number-Theoretic Cryptography. Mathematical Sciences Research Institute, Berkeley, California.

2000.08.24–2000.08.26 USA
Lehmer conference. University of California at Berkeley.

2000.08.14–2000.08.23 invited USA
http://zeta.msri.org/calendar/workshops/WorkshopInfo/26/show_workshop. Clay Mathematics Institute Introductory Workshop in Algorithmic Number Theory. Mathematical Sciences Research Institute, Berkeley, California.

2000.07.25–2000.08.03 invited England
http://www.maths.nottingham.ac.uk/personal/jec/durham. London Mathematical Society (LMS) Durham Symposium on Computational Number Theory. University of Durham.

2000.06.23–2000.06.28 invited Russia
Session on Algebraic Algorithms and Complexity, 6th IMACS Conference on Applications of Computer Algebra (ACA). http://math.unm.edu/ACA/2000/index.html. Shuvalov Palace, St. Petersburg.

2000.06.10–2000.06.13 invited Canada
Session on Cryptography and Number Theory, Canadian Mathematical Society summer meeting, MATH 2000. http://www.cms.math.ca/CMS/Events/math2000/. McMaster University, Hamilton, Ontario.

2000.05.28–2000.05.29 USA
Workshop on Problems in Transcendence Theory. University of Illinois at Urbana-Champaign.

2000.05.20–2000.05.27 invited USA
http://www.math.uiuc.edu/nt2000/millennial.html. Millennial Conference in Number Theory. University of Illinois at Urbana-Champaign.

2000.04.07–2000.04.09 invited USA
Special Session on Number Theory, Algorithms, and Cryptography; Central Section Meeting, American Mathematical Society (AMS). University of Notre Dame, Indiana.

1999.10.11–1999.10.15 invited Hong Kong
http://www.damtp.cam.ac.uk/user/na/FoCM/HK_Wshop2.html. Workshop on Complexity of Equation Solving and Algebra; Foundations of Computational Mathematics. City University of Hong Kong.

1999.07.04–1999.07.10 invited Germany
Explicit Methods in Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

1999.06.12–1999.06.17 Canada
The Mathematics of Public-Key Cryptography. Fields Institute, Toronto, Ontario.

1998.10.25–1998.10.30 invited Germany
Algorithms and Number Theory. Schloss Dagstuhl.

1998.09.12–1998.09.13 invited USA
Special Session on Number Theory; Central Section Meeting, American Mathematical Society (AMS). DePaul University, Chicago, Illinois.

1998.07.06–1998.07.18 invited USA
http://www.ima.umn.edu/cc/. Coding and Cryptography. Institute for Mathematics and its Applications (IMA), University of Minnesota, Minneapolis.

1998.06.21–1998.06.25 refereed USA
http://www.reed.edu/ants/. Algorithmic Number Theory Symposium (ANTS) III. Reed College, Portland, Oregon.

1997.10.24–1997.10.25 invited USA
Special Session on Number Theory and Cryptography; Central Section Meeting, American Mathematical Society (AMS). University of Wisconsin at Milwaukee.

1997.05.26–1997.05.30 invited Germany
Computational Aspects of Commutative Algebra and Algebraic Geometry. Schloss Dagstuhl.

1997.03.07–1997.03.09 invited USA
Mathematics of Cryptography and Security. Southwest Regional Institute in the Mathematical Sciences (SWRIMS), University of Arizona, Tucson. http://www.math.arizona.edu/~rims/.

1996.05.18–1996.05.23 refereed France
Algorithmic Number Theory Symposium (ANTS) II. University of Bordeaux.

1996.05.12–1996.05.16 USA
Second Magma Conference on Computational Algebra. Marquette University, Milwaukee, Wisconsin.

1995.12.02–1995.12.02 invited USA
Midwest Algebraic Number Theory Day III. University of Michigan, Ann Arbor.

1995.09.14–1995.09.16 USA
Computational Perspectives on Number Theory. University of Illinois at Chicago.

1995.05.28–1995.06.03 invited Germany
http://www.mfo.de/Meetings/Meeting_Program_1995.html#T9522. Computational Number Theory. Mathematisches Forschungsinstitut, Oberwolfach.

1995.01.04–1995.01.07 USA
Joint Meeting of the American Mathematical Society (AMS) and the Mathematical Association of America (MAA). Hilton, San Francisco, California.

1994.10.09–1994.10.14 invited Germany
Algorithms and Number Theory. Schloss Dagstuhl.

1994.05.06–1994.05.09 USA
Algorithmic Number Theory Symposium (ANTS). Cornell University, Ithaca, New York.

1994.04.30–1994.05.04 invited Canada
Computational Number Theory. Fields Institute, Waterloo, Ontario.

1994.01.12–1994.01.15 USA
Joint Meeting of the American Mathematical Society (AMS) and the Mathematical Association of America (MAA). Cincinnati Convention Center, Cincinnati, Ohio.

1993.11.06–1993.11.07 USA
Western Section Meeting, American Mathematical Society (AMS). Harvey Mudd College, Claremont, California.

1992.12.19–1992.12.22 USA
West Coast Number Theory Conference. Oregon State University, Corvallis.

1988.08.08–1988.08.12 USA
AMS Centennial Celebration. Providence, Rhode Island.

1987.06.01–1987.06.05 invited USA
Ramanujan Centenary Conference. University of Illinois at Urbana-Champaign.