Prof. Tor Helleseth

Invited Talks

I gave invited talks and invited research courses on the following international conferences:

Invited talks at conferences:

2011:
Fq10 - The 10th International Conference on Finite Fields and their Applications, Ghent, July 11-15, 2011

WCC 2011 - Workshop in Coding and Cryptography, Apr. 11-15, Paris, France 2011

2010:
YACC 2010 - Yet Another Conference in Cryptography, Porquerolles, Oct. 4-8, France, 2010 (Crosscorrelation of m-Sequences Bent functions and Jacobsthal sums)

2009:
CHINACRYPT 2009, Guangzhou China, Nov. 13- 16, 2009 (Attack on the filter generator and the nonlinear combiner generator)

Workshop on Sequence, Codes and Curves, Antalya, Turkey, Sept. 25 – 29 (Crosscorrelation of m-sequences and Dickson polynomials)

IWSDA 2009 - International Workshop on Sequence Design and its Applications in Communications, Fukuoka, Japan, Oct. 19 – 2 (Crosscorrelation of m-sequences, exponential sums and Dickson polynomials)

CECC 2009 - 9th edition of the Central European Conference on Cryptography, Trebic, Czech Republic, June 23 - 26, 2009 (Attack on the filter generator and the nonlinear combiner generator)

2008:
NATO Advanced Research Workshop on Enhancing Cryptographic Primitives with Techniques from error-correcting codes, Veliko Tarnovo, Bulgaria, Oct. 6 – 9, 2009 (Algebraic attacks on filter and combiner generator)

BFCA - Boolean Functions: Cryptography and Applications, Copenhagen, Denmark, April 30 - May 2, 2008 (A family of sequences with 5-valued cross correlation and related codes)

2007:
AAECC 2007, Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, Bangalore, India, Dec. 16 - 20, 2007 (A survey on recent attacks on the filter generator)

2006:
DIAMANT/EIDMA Symposium 2006, Vught, The Netherlands, Nov. 30 – Dec. 1, 2006 (Breaking of the filter generator)

2005:
Indocrypt 2005, Bangalore, India, Dec. 10 - 12, 2005 (POMARANCH -The design and analysis of a stream cipher)

2004:
NCC04 - National Conference on Cryptology, Kuala Lumpur, Malaysia, Dec. 16. 2004 (Cryptography and coding – some connections)

EIDMA Symposium, Mierlo, The Netherlands, Nov. 25 - 26, 2004 (On correlation of m-sequences and related topics)

Colloquium on Combinatorics, Magdeburg, Germany, Nov. 12 - 13, 2004 (On correlation of m-sequences and related topics)

Høstkonferansen, IT-Sikkerhetsforum, Kongsberg, Norway, Sept. 13 - 15, 2004 (Kryptering)

Journees Montoises d’Informatique a Liege, Liege, Belgium, Sept. 8 - 11, 2004 (Sequences and applications to mobile communication)

2001:
WCC 2001 - Workshop in Coding and Cryptography, Jan. 8-12, Paris, France 2001 (Cross correlation of m-sequences and related topics)

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Invited Lecture Series

The following research course on Linear and Nonlinear Shift Registers has been given after invitation at the following locations:

Manila, Philippines, July 2005

Santander, Spain, July 2005

Bangalore, India, Dec 2005

Kuala Lumpur, Malaysia, Dec 2004

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