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Thomas Johansson
Professor, TeknD, docent

Publikationer


Book Chapters

  1. M. Hell, T. Johansson:
    Linear Attacks on Stream Ciphers
    Advanced Linear Cryptanalysis of Block and Stream Ciphers/Cryptology and Information Security Series, pp. 55-85, ISBN 978-1-60750-843-4, IOS Press, 2011. (BibTeX) (More info)
  2. M. Hell, T. Johansson, A. Maximov, W. Meier:
    The Grain family of stream ciphers
    New Stream Cipher Designs - The eSTREAM Finalists, pp. 179-190, ISSN 0302-9743, Springer, 2008. (BibTeX) (More info)
  3. T. Johansson:
    Authentication codes
    Encyclopedia of Telecommunications, 2005. (BibTeX) (More info)

Journal Articles

    2013

  1. H. Wang, M. Hell, T. Johansson, M. Ågren:
    Improved Key Recovery Attack on the BEAN Stream Cipher
    IEICE Transactions, 2013. (In press) (BibTeX) (More info)
  2. P. Stankovski, M. Hell, T. Johansson:
    An Efficient State Recovery Attack on the X-FCSR Family of Stream Ciphers
    Journal of Cryptology, 2012. (In press) (BibTeX) (More info)

    3. 2012

  3. P. Stankovski, S. Ruj, M. Hell, T. Johansson:
    Improved distinguishers for HC-128
    Designs, Codes and Cryptography, Vol. 63, No. 2, pp. 225-240, 2012. (BibTeX) (More info)
  4. Q. Wang, T. Johansson, H. Kan:
    Some results on fast algebraic attacks and higher-order non-linearities
    IET Information Security, Vol. 6, No. 1, pp. 41-46, 2012. (BibTeX) (More info)
  5. M. Ågren, C. Löndahl, M. Hell, T. Johansson:
    A Survey on Fast Correlation Attacks
    Cryptography and Communications - Discrete Structures, Boolean Functions andSequences, Vol. 4, No. 3-4, pp. 173-202, 2012. (BibTeX) (More info)
  6. M. Hell, T. Johansson, L. Brynielsson, H. Englund:
    Improved Distinguishers on Stream Ciphers with Certain Weak Feedback Polynomials
    IEEE Transactions on Information Theory, Vol. 58, No. 9, pp. 6183-6193, 2012. (BibTeX) (More info)
  7. M. Ågren, M. Hell, T. Johansson:
    On Hardware-Oriented Message Authentication
    IET Information Security, Vol. 6, No. 4, pp. 329-336, 2012. (BibTeX) (More info)

    8. 2011

  8. M. Hell, T. Johansson:
    Breaking the stream ciphers F-FCSR-H and F-FCSR-16 in real time
    Journal of Cryptology, Vol. 24, No. 3, pp. 427-445, 2011. (BibTeX) (More info)
  9. M. Ågren, M. Hell, T. Johansson, W. Meier:
    Grain-128a: a new version of Grain-128 with optional authentication
    International Journal of Wireless and Mobile Computing, Vol. 5, No. 1, pp. 48-59, 2011. (BibTeX) (More info)

    10. 2009

  10. M. Hell, T. Johansson, L. Brynielsson:
    An overview of distinguishing attacks on stream ciphers
    Cryptography and Communications, Vol. 1, No. 1, pp. 71-94, 2009. (BibTeX) (More info)

    11. 2007

  11. M. Hell, T. Johansson, W. Meier:
    Grain - A stream cipher for constrained environments
    International Journal of Wireless and Mobile Computing, Vol. 2, No. 1, pp. 86-93, 2007. (BibTeX) (More info)
  12. M. Hell, T. Johansson:
    Cryptanalysis of Achterbahn-128/80
    IET Information Security, Vol. 1, No. 2, pp. 47-52, 2007. (BibTeX) (More info)
  13. T. Johansson, A. Maximov:
    A linear distinguishing attack on SCREAM
    IEEE Trans. on Information Theory, Vol. 53, No. 9, pp. 3127-3144, 2007. (BibTeX) (More info)

    14. 2006

  14. M. Hell, T. Johansson:
    Two new attacks on the self-shrinking generator
    IEEE Transactions on Information Theory, Vol. 52, No. 8, pp. 3837-3843, 2006. (BibTeX) (More info)
  15. C. Cid, H. Gilbert, T. Johansson:
    Cryptanalysis of pomaranch
    IET Proc. Information Security, Vol. 153, No. 2, pp. 51-53, 2006. (BibTeX) (More info)
  16. H. Englund, T. Johansson:
    Three Ways to Mount Distinguishing Attacks on Irregularly Clocked Stream Ciphers
    International Journal of Security and Networks, Vol. 1, No. 1/2, pp. 95-102, 2006. (BibTeX) (More info)

    17. 2005

  17. A. Maximov, T. Johansson:
    Fast computation of large distributions and its cryptographic applications
    ADVANCES IN CRYPTOLOGY ASIACRYPT 2005, Vol. 3788, pp. 313-332, 2005. (BibTeX) (More info)
  18. H. Englund, T. Johansson:
    A new distinguisher for clock controlled stream ciphers
    Lecture Notes in Computer Science, Vol. 3557, pp. 181-195, 2005. (BibTeX) (More info)

    19. 2004

  19. A. Trofimov, T. Johansson:
    A memory-efficient optimal APP symbol-elecoding algorithm for linear block codes
    IEEE Transactions on Communications, Vol. 52, No. 9, pp. 1429-1434, 2004. (BibTeX) (More info)
  20. E. Pasalic, T. Johansson, S. Maitra, P. Sarkar:
    New constructions of resilient and correlation immune Boolean functions achieving the upper bound on nonlinearity
    Journal of the Indian Statistical Association, Vol. 42, No. 2, pp. 287-307, 2004. (BibTeX) (More info)

    21. 2003

  21. T. Johansson, E. Pasalic:
    A construction of resilient functions with high nonlinearity
    Transactions on Information Theory, Vol. 49, No. 2, pp. 494-501, 2003. (BibTeX) (More info)
  22. P. Ekdahl, T. Johansson:
    Another attack on A5/1
    IEEE Transactions on Information Theory, Vol. 49, No. 1, pp. 284-289, 2003. (BibTeX) (More info)

    23. 2002

  23. T. Johansson, F. Jönsson:
    On the complexity of some cryptographic problems based on the general decoding problem
    IEEE Transactions on Information Theory, Vol. 48, No. 10, pp. 2669-2678, 2002. (BibTeX) (More info)
  24. T. Johansson, F. Jönsson:
    Theoretical analysis of a correlation attack based on convolutional codes
    IEEE Transactions on Information Theory, Vol. 48, No. 8, pp. 2173-2181, 2002. (BibTeX) (More info)
  25. F. Jönsson, T. Johansson:
    A fast correlation attack on LILI-128
    Information Processing Letters, Vol. 81, No. 3, pp. 127-132, 2002. (BibTeX) (More info)
  26. A. Ourivski, T. Johansson:
    New techniques for decoding codes in rank metric and its cryptographic applications
    Problems of Information Transmission, Vol. 38, No. 3, pp. 237-246, 2002. (BibTeX) (More info)

    27. 2001 and earlier

  27. K. K., T. Johansson, S. D.:
    Almost k-wise independent sample spaces and their cryptologic applications
    Journal of Cryptology, Vol. 14, No. 4, pp. 231-254, 2001. (BibTeX) (More info)
  28. T. Johansson:
    Further results on asymmetric authentication schemes
    Information and Computation, Vol. 151, No. 1-2, pp. 100-133, 1999. (BibTeX) (More info)
  29. T. Johansson, K. Zigangirov:
    A simple one sweep algorithm for optimal APP symbol decoding of linear block codes
    IEEE Transactions on Information Theory, Vol. 44, No. 7, pp. 3124-3129, 1998. (BibTeX) (More info)
  30. S. Y, T. Johansson, B. Smeets:
    On key and message equivocations in secrecy systems
    Problems of Information Transmission, Vol. 34, No. 2, pp. 197-206, 1998. (BibTeX) (More info)
  31. T. Johansson, B. Smeets, K. Grigory:
    On the cardinality of systematic authentication codes via error-correcting codes
    IEEE Transactions on Information Theory, Vol. 42, No. 2, pp. 566-578, 1996. (BibTeX) (More info)
  32. T. Johansson:
    Authentication codes for non-trusting parties obtained from rank metric codes
    Designs, Codes and Cryptography, Vol. 6, No. 3, pp. 205-218, 1995. (BibTeX) (More info)
  33. T. Johansson:
    A shift register construction of unconditionally secure authentication codes
    Designs, Codes and Cryptography, Vol. 4, No. 1, pp. 69-81, 1994. (BibTeX) (More info)
  34. T. Johansson:
    Lower bounds on the probability of deception in authentication with arbitration
    IEEE Transactions on Information Theory, Vol. 40, No. 5, pp. 1573-1585, 1994. (BibTeX) (More info)

Conference Papers (Peer reviewed)

    2013

  1. T. Johansson, C. Löndahl:
    A new algorithm for finding low-weight polynomial multiples and its application to TCHo
    International Workshop on Coding and Cryptography, WCC 2013, Bergen, Norway, 2013-04-15/2013-04-19. (BibTeX) (More info)

    2. 2012

  2. M. Ågren, M. Hell, T. Johansson, C. Löndahl:
    Improved Message Passing Techniques in Fast Correlation Attacks on Stream Ciphers
    7th International Symposium on Turbo Codes & Iterative Information Processing, Gothenburg, pp. 260-264, 2012-08-27/2012-08-31. (BibTeX) (More info)
  3. P. Stankovski, M. Hell, T. Johansson:
    Analysis of Xorrotation With Application to an HC-128 Variant
    LNCS, ACISP 2012, Wollongong, Australia, Vol. 7372, pp. 419-425, 2012-07-09. (BibTeX) (More info)
  4. C. Löndahl, T. Johansson:
    A new version of McEliece PKC based on convolutional codes
    LNCS, International Conference on Information and Communications Security, Hong Kong, 2012-10-29. (In press) (BibTeX) (More info)
  5. M. Leonardo A, Z. Albin, B. Smeets, H. Sheikh M., T. Johansson, S. Nahid:
    Privacy, Security and Trust in Cloud Computing: The Perspective of the Telecommunication Industry
    The Third International Symposium on Multidisciplinary Emerging Networks and Systems (MENS 2012), Fukuoka, Japan, 2012-09-04/2002-09-07. (BibTeX) (More info)

    6. 2011

  6. Q. Wang, T. Johansson:
    A note on fast algebraic attacks and higher order nonlinearities
    Lecture Notes in Computer Science, INSCRYPT 2010, Shanghai, China, 2010-10-20/2010-10-24. (In press) (BibTeX) (More info)
  7. Q. Wang, T. Johansson:
    On equivalence classes of Boolean functions
    Lecture Notes in Computer Science, ICISC 2010, Seoul, Korea, 2010-12-01/2010-12-03. (In press) (BibTeX) (More info)
  8. M. Ågren, M. Hell, T. Johansson, W. Meier:
    A New Version of Grain-128 with Authentication
    Symmetric Key Encryption Workshop 2011, Lyngby, Denmark, 2011-02-16/2011-02-17. (BibTeX) (More info)
  9. M. Ågren, M. Hell, T. Johansson:
    On Hardware-Oriented Message Authentication with Applications Towards RFID
    2011 Workshop on Lightweight Security & Privacy: Devices, Protocols, and Applications, LightSec 2011, Istanbul, Turkey, pp. 26-33, 2011-03-14/2011-03-15. (BibTeX) (More info)

    10. 2009

  10. P. Stankovski, M. Hell, T. Johansson:
    An efficient state recovery attack on X-FCSR-256
    Fast Software Encryption/Lecture Notes in Computer Science, 16th International Workshop, FSE 2009, Leuven, Belgium, Vol. 5665, pp. 23-37, 2009-02-22/2009-02-25. (BibTeX) (More info)
  11. M. Ågren, T. Johansson, M. Hell:
    Improving the rainbow attack by reusing colours
    Cryptology and Network Security/Lecture Notes in Computer Science, 8th International Conference, CANS 2009, Kanazawa, Japan, Vol. 5888, pp. 362-378, 2009-12-12/2009-12-14. (BibTeX) (More info)

    12. 2008

  12. T. Johansson, A. Trofimov:
    One-sweep APP decoding algorithm for binary block codes with reduced trellis memory
    Proceedings of coding theory days in St.Petersburg, pp. 88-93, 2008-10-06/2008-10-10. (BibTeX) (More info)
  13. M. Hell, T. Johansson:
    Breaking the F-FCSR-H stream cipher in real time
    Advances in Cryptology / Lecture Notes in Computer Science, ASIACRYPT 2008 14th International Conference on the Theory and Application of Cryptology and Information Security, Melbourne, Australia, Vol. 5350, pp. 557-569, 2008-12-07/2008-12-11. (BibTeX) (More info)

    14. 2007

  14. M. Hell, T. Johansson:
    Cryptanalysis of Achterbahn-Version 2
    Selected Areas in Cryptography / Lecture notes in computer science), 13th International Workshop, SAC 2006, Montreal, Canada, Vol. 4356, pp. 45-55, 2006-08-17/2006-08-18. (BibTeX) (More info)
  15. M. Hell, T. Johansson:
    On the problem of finding linear approximations and cryptanalysis of Pomaranch Version 2
    Selected Areas in Cryptography / Lecture notes in computer science), 13th International Workshop, SAC 2006, Montreal, Canada, Vol. 4356, pp. 220-233, 2006-08-17/2006-08-18. (BibTeX) (More info)
  16. M. Hell, T. Johansson:
    A key recovery attack on Edon80
    Advances in Cryptology / Lecture Notes in Computer Science, ASIACRYPT 2007 13th International Conference on the Theory and Application of Cryptology and Information Security, Kuching, Malaysia, Vol. 4833, pp. 568-581, 2007-12-02/2007-12-06. (BibTeX) (More info)
  17. H. Englund, M. Hell, T. Johansson:
    A note on distinguishing attacks
    IEEE Information Theory Workshop on Information Theory for Wireless Networks, Bergen, Norway, pp. 87-90, 2007-07-01/2007-07-06. (BibTeX) (More info)
  18. H. Englund, T. Johansson, M. Sönmez Turan:
    A framework for chosen IV statistical analysis of stream ciphers
    Progress in Cryptology / Lecture Notes in Computer Science, 8th International Conference on Cryptology in India INDOCRYPT 2007, Chennai, India, Vol. 4859, pp. 268-281, 2007-12-09/2007-12-13. (BibTeX) (More info)
  19. H. Englund, T. Johansson, M. Hell:
    Two General Attacks on Pomaranch-like Keystream Generators
    Fast Software Encryption / Lecture Notes in Computer Science, 14th International Workshop, FSE 2007, Luxembourg, March 26-28, 2007, Vol. 4593, pp. 274-289, 2007-03-26/2007-03-28. (BibTeX) (More info)

    20. 2006

  20. T. Johansson, W. Meier, F. Muller:
    Cryptanalysis of Achterbahn
    Fast Software Encryption (Lecture Notes in Computer Science), 13th International Workshop, FSE 2006, Graz, Austria, Vol. 4047, pp. 1-14, March 15-17, 2006. (BibTeX) (More info)
  21. M. Hell, T. Johansson, A. Maximov, W. Meier:
    A stream cipher proposal: Grain-128
    2006 IEEE International Symposium on Information Theory, Seattle, WA, USA, pp. 1614-1618, 9-14 July 2006. (BibTeX) (More info)

    22. 2005

  22. M. Hell, T. Johansson:
    Some attacks on the Bit-search generator
    Fast Software Encryption / Lecture Notes in Computer Science, Fast Software Encryption 12th International Workshop, FSE 2005, Paris, France, Vol. 3557, pp. 215-227, 2005-02-21/2005-02-23. (BibTeX) (More info)
  23. W. H. Fang, T. Johansson, L. Spaanenburg:
    Balancing BlockRAM and distributed RAM
    Proceedings SSoCC 2005, Swedish System-on-Chip Conference (SSoCC), Tammsvik, 2005. (BibTeX) (More info)
  24. W. H. Fang, T. Johansson, L. Spaanenburg:
    Snow 2.0 IP core for trusted hardware
    Proceedings - 2005 International Conference on Field Programmable Logic and Applications, FPL, 2005 International Conference on Field Programmable Logic and Applications (FPL), Tampere, Finland, Vol. 2005, pp. 281-286, Aug 24-26 2005. (BibTeX) (More info)

    25. 2004

  25. H. Englund, M. Hell, T. Johansson:
    Correlation attacks using a new class of weak feedback polynomials
    Fast Software Encryption. Revised Papers / Lecture Notes in Computer Science, 11th International Workshop, FSE 2004, Delhi, India, Vol. 3017, pp. 127-142, February 5-7, 2004. (BibTeX) (More info)
  26. A. Maximov, T. Johansson, S. Babbage:
    An improved correlation attack on A5/1
    Selected Areas in Cryptography / Lecture Notes in Computer Science, Selected Areas in Cryptography. 11th International Workshop, SAC 2004. Revised Selected Papers, Waterloo, Ont., Canada, Vol. 3357, pp. 1-18, 9-10 Aug. 2004. (BibTeX) (More info)
  27. H. Englund, T. Johansson:
    A new simple technique to attack filter generators and related ciphers
    Selected Areas in Cryptography / Lecture Notes in Computer Science, 11th International Workshop, SAC 2004., Waterloo, Ont., Canada, Vol. 3357, pp. 39-53, 9-10 Aug. 2004. (BibTeX) (More info)

    28. 2003

  28. T. Johansson:
    Analysis and design of modern stream ciphers
    Cryptography and Coding / Lecture Notes in Computer Science, 9th IMA International Conference, Cirencester, UK, Vol. 2898, pp. 66-66, 2003-12-16/2003-12-18. (BibTeX) (More info)
  29. P. Ekdahl, W. Meier, T. Johansson:
    Predicting the shrinking generator with fixed connections
    Advances in Cryptology / Lecture Notes in Computer Science, EUROCRYPT 2003: International Conference on the Theory and Applications of Cryptographic Techniques, Warsaw, Poland, Vol. 2656, pp. 330-344, May 4-8, 2003. (BibTeX) (More info)
  30. P. Ekdahl, T. Johansson:
    A new version of the stream cipher SNOW
    Lecture Notes in Computer Science (Selected Areas in Cryptography. Revised Papers), Selected Areas in Cryptography: 9th Annual International Workshop, SAC 2002, St. John's, Newfoundland, Canada, Vol. 2595, pp. 47-61, August 15-16, 2002. (BibTeX) (More info)
  31. P. Ekdahl, T. Johansson, W. Meier:
    A note on the selfshrinking generator
    IEEE International Symposium on Information Theory - Proceedings, Proceedings 2003 IEEE International Symposium on Information Theory (ISIT), Yokohama, Japan, pp. 166-166, Jun 29-Jul 4 2003. (BibTeX) (More info)
  32. T. Johansson, A. Maximov:
    A linear distinguishing attack on Scream
    Proceedings 2003 IEEE International Symposium on Information Theory. ISIT 2003 (Cat. No.03CH37432), Yokohama, Japan, pp. 164-164, 29 June-4 July 2003. (BibTeX) (More info)
  33. T. Johansson:
    Analysis and design of modern stream ciphers (invited paper)
    Ninth IMA International Conference on Cryptography and Coding (Lecture Notes in Comput. Sci. Vol.2898), Cirencester, UK, pp. 66-66, 16-18 Dec. 2003. (BibTeX) (More info)

    34. 2002

  34. P. Ekdahl, T. Johansson:
    Distinguishing attacks on SOBER-t16 and t32
    Fast Software Encryption (Revised Papers) / Lecture Notes in Computer Science, 9th International Workshop, FSE 2002, Leuven, Belgium, Vol. 2365, pp. 210-224, February 4-6, 2002. (BibTeX) (More info)
  35. S. Maity, T. Johansson:
    Construction of cryptographically important Boolean functions
    Progress in Cryptology / Lecture Notes in Computer Science, INDOCRYPT 2002: Third International Conference on Cryptology, India Hyderabad, India, Vol. 2551, pp. 234-245, December 16-18, 2002. (BibTeX) (More info)

    36. 2001 and earlier

  36. E. Pasalic, S. Maitra, T. Johansson, P. Sarkar:
    Results related to the upper bound on nonlinearity for resilient and correlation immune Boolean functions
    Workshop on Coding and Cryptography 2001, Paris, pp. 425-434, 2001. (BibTeX) (More info)
  37. F. Jönsson, T. Johansson:
    Correlation attacks on stream ciphers over GF(2^n)
    2001 IEEE International Symposium on Information Theory, Washington, DC, pp. 140-, 2001-06-24/2001-06-29. (BibTeX) (More info)
  38. P. Ekdahl, T. Johansson:
    Another attack on A5/1
    2001 IEEE International Symposium on Information Theory, Washington, DC, pp. 160-, 2001-06-24/2001-06-29. (BibTeX) (More info)
  39. V. Chepyshov, T. Johansson, B. Smeets:
    A simple algorithm for fast correlation attacks on stream ciphers
    Fast Software Encryption / Lecture Notes in Computer Science, 7th International Workshop, FSE 2000, New York, NY, Vol. 1978, pp. 181-195, 2000-04-10/2000-04-12. (BibTeX) (More info)
  40. T. Johansson, F. Jönsson:
    Fast correlation attacks through reconstruction of linear polynomials
    Advances in Cryptology / Lecture Notes in Computer Science, 20th Annual International Cryptology Conference CRYPTO 2000, Santa Barbara, California, Vol. 1880, pp. 300-315, 2000-08-20/2000-08-24. (BibTeX) (More info)
  41. T. Johansson, F. Jönsson:
    Theoretical analysis of a correlation attack based on convolutional codes
    2000 IEEE International Symposium on Information Theory, Sorrento, pp. 212-, 2000-06-25/2000-06-30. (BibTeX) (More info)
  42. T. Johansson, E. Pasalic:
    A construction of resilient functions with high nonlinearity
    2000 IEEE International Symposium on Information Theory, Sorrento, pp. 184-, 2000-06-25/2000-06-30. (BibTeX) (More info)
  43. P. Ekdahl, T. Johansson:
    Some results on correlations in the Bluetooth stream cipher
    10th Joint Conference on Communications and Coding, Obertauern, Austria, pp. 16-, 2000. (BibTeX) (More info)
  44. T. Johansson, E. Pasalic:
    A construction of resilient functions with high nonlinearity
    10th Joint Conference on Communications and Coding, Obertauern, Austria, pp. 14-, 2000. (BibTeX) (More info)
  45. P. Ekdahl, T. Johansson:
    SNOW - A new stream cipher
    First open Nessie Workshop, Heverlee, Belgium, 2000. (BibTeX) (More info)
  46. T. Johansson, F. Jönsson:
    Improved fast correlation attacks on stream ciphers via convolutional codes
    Advances in Cryptology / Lecture Notes in Computer Science, International Conference on the Theory and Application of Cryptographic Techniques EUROCRYPT ?99, Prague, Czech Republic, Vol. 1592, pp. 347-362, 1999-05-02/1999-05-06. (BibTeX) (More info)
  47. T. Johansson, F. Jönsson:
    Fast correlation attacks based on turbo code techniques
    Advances in Cryptology / Lecture Notes in Computer Science, 19th Annual International Cryptology Conference CRYPTO? 99, Santa Barbara, California, Vol. 1666, pp. 181-197, 1999-08-15/1998-08-19. (BibTeX) (More info)
  48. E. Pasalic, T. Johansson:
    Further results on the relation between nonlinearity and resiliency of Boolean functions
    Cryptography and Coding / Lecture Notes in Computer Science, 7th IMA International Conference, Cirencester, UK, Vol. 1746, pp. 35-44, 1999-12-20/1999-12-22. (BibTeX) (More info)
  49. T. Johansson, F. Jönsson:
    Correlation attacks, convolutional codes, and iterative decoding
    1999 IEEE Information Theory and Communications Workshop, Kruger National Park, South Africa, pp. 58-60, 1999-06-20/1999-06-25. (BibTeX) (More info)
  50. T. Johansson:
    Reduced complexity correlation attacks on two clock-controlled generators
    Advances in Cryptology / Lecture Notes in Computer Science, International Conference on the Theory and Application of Cryptology and Information Security ASIACRYPT?98, Beijing, China, Vol. 1514, pp. 342-356, 1998-10-18/1998-10-22. (BibTeX) (More info)
  51. T. Johansson:
    Correlation attacks on stream ciphers and related decoding problems
    1998 IEEE Information Theory Workshop, Killarney, pp. 156-157, 1998-06-22/1998-06-26. (BibTeX) (More info)
  52. T. Johansson, F. Jönsson:
    On some cryptographic problems based on the general decoding problem
    1998 IEEE International Symposium on Information Theory, Cambridge, MA, pp. 442-, 1998-08-16/1998-08-21. (BibTeX) (More info)
  53. T. Johansson:
    A simple one sweep algorithm for optimal APP symbol decoding of linear block codes
    1998 IEEE International Symposium on Information Theory, Cambridge, MA, pp. 231-, 1998-08-16/1998-08-21. (BibTeX) (More info)
  54. K. Kurosawa, T. Johansson, D. Stinson:
    Almost k-wise independent sample spaces and their cryptologic applications
    Advances in Cryptology / Lecture Notes in Computer Science, International Conference on the Theory and Application of Cryptographic Techniques - EUROCRYPT'97, Konstanz, Germany, Vol. 1233, pp. 409-421, 1997-05-11/1997-05-15. (BibTeX) (More info)
  55. T. Johansson:
    Bucket hashing with a small key size'
    Advances in Cryptology / Lecture Notes in Computer Science, nternational Conference on the Theory and Application of Cryptographic Techniques EUROCRYPT ?97, Konstanz, Germany, Vol. 1233, pp. 149-162, 1997-05-11/1997-05-15. (BibTeX) (More info)
  56. T. Johansson:
    Codes combining error detection and authentication
    IEEE International Symposium on Information Theory, Ulm, pp. 173-, 1997-06-29/1997-07-04. (BibTeX) (More info)
  57. G. R. Blakley, T. Johansson, G. Kabatianskii:
    Coding problems of cryptography or codesets vs. codewords
    1997 IEEE Information Theory Workshop, pp. 43-45, 1997. (BibTeX) (More info)
  58. T. Helleseth, T. Johansson:
    Universal hash functions from exponential sums over finite fields and Galois rings
    Advances in Cryptology / Lecture Notes in Computer Science, 16th Annual International Cryptology Conference CRYPTO ?96, Santa Barbara, California, Vol. 1109, pp. 31-44, 1996-08-12/1996-08-18. (BibTeX) (More info)
  59. T. Johansson, B. Smeets:
    On A2-codes including arbiter's attacks
    Advances in Cryptology / Lecture Notes in Computer Science, Workshop on the Theory and Application of Cryptographic Techniques EUROCRYPT'94, Perugia, Italy, Vol. 950, pp. 456-461, 1994-05-09/1994-05-12. (BibTeX) (More info)
  60. T. Johansson:
    Authentication codes protecting against collusion attacks
    Proceedings of the Seventh Joint Swedish-Russian Workshop on Information Theory, pp. 137-141, 1995. (BibTeX) (More info)
  61. T. Johansson:
    Constructions of asymmetric authentication systems
    IEEE International Symposium on Information Theory, Whistler, BC, pp. 354-, 1995-09-17/1995-09-22. (BibTeX) (More info)
  62. T. Johansson:
    A2-codes and codes for the rank metric
    IEEE International Symposium on Information Theory, Trondheim, Norway, pp. 492-, 1994-06-27/1994-07-01. (BibTeX) (More info)
  63. T. Johansson:
    Secrecy codes for source messages of finite length
    EIDMA Winter Meeting on Coding and Information Theory and Cryptology, pp. 46-, 1994. (BibTeX) (More info)
  64. T. Johansson, G. Kabatianskii, B. Smeets:
    On the relation between A-codes and codes correcting independent errors
    Advances in Cryptology / Lecture Notes in Computer Science, Workshop on the Theory and Application of Cryptographic Techniques EUROCRYPT ?93, Lofthus, Norway, Vol. 765, pp. 1-11, 1993-05-23/1993-05-27. (BibTeX) (More info)
  65. J. Bierbrauer, T. Johansson, G. Kabatianskii, B. Smeets:
    On the construction of universal families of hash functions via geometric codes and concatenation
    Advances in Cryptology / Lecture Notes in Computer Science, 13th Annual International Cryptology Conference CRYPTO? 93, Santa Barbara, California, Vol. 773, pp. 331-342, 1993-08-22/1993-08-26. (BibTeX) (More info)
  66. T. Johansson:
    On the construction of perfect authentication codes that permit arbitration
    Advances in Cryptology / Lecture Notes in Computer Science, 13th Annual International Cryptology Conference CRYPTO? 93, Santa Barbara, California, Vol. 773, pp. 343-354, 1993-08-22/1993-08-26. (BibTeX) (More info)
  67. T. Johansson:
    Lower bounds on the probability of deception in authentication
    IEEE International Symposium on Information Theory, pp. 231-, 1993-01-17/1993-01-22. (BibTeX) (More info)
  68. T. Johansson:
    Relations between authentication codes and error-correcting codes
    2nd International Winter Meeting on Coding and Information Theory, pp. 29-, 1993. (BibTeX) (More info)
  69. T. Johansson:
    A construction of authentication codes with total secrecy
    1st International Winter Meeting on Coding and Information Theory, pp. 32-, 1991. (BibTeX) (More info)

Conference Abstracts

  1. T. Johansson:
    Relations between error-correcting codes, authentication
    Computer Security, Cryptology and Coding theory research program, Cambridge, 1996. (BibTeX) (More info)

Reports

  1. T. Johansson, C. Löndahl:
    An improvement to Stern's algorithm
    2011. (BibTeX) (More info)
  2. M. Ågren, M. Hell, T. Johansson:
    Evaluation of Some Algorithms for Hardware-Oriented Message Authentication
    2011. (BibTeX) (More info)
  3. M. Hell, T. Johansson:
    Security Evaluation of Stream Cipher Enocoro-128v2
    CRYPTREC Technical Report, 2010. (BibTeX) (More info)

Dissertations

  1. T. Johansson:
    Contributions to unconditionally secure authentication
    ISBN 91-7167-004-1, 1994. (BibTeX) (More info)

Editor for Books/Conferences

  1. D. Pointcheval, T. Johansson:
    Advances in Cryptology--EUROCRYPT 2012: 31st Annual International Conference on the Theory and Applications of Cryptographic Techniques
    LNCS, Vol. 7237, ISSN 0302-9743, Springer-Verlag, 2012.
  2. T. Johansson:
    Fast Software Encryption, FSE 2003
    Lecture Notes in Computer Science, Vol. 2887, ISBN 3-540-20449-0, Springer-Verlag, 2003.
  3. T. Johansson:
    Progress in Cryptology - INDOCRYPT 2003
    Lecture Notes in Computer Science, Vol. 2904, ISBN 3-540-20609-4, Springer-Verlag, 2003.

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