Risto Hakala

D.Sc. (Tech.)

I am no longer working for Aalto University.

Selected Publications

• Results on Linear Models in Cryptography
  Risto M. Hakala
  Doctoral Dissertation, Aalto University, 2013
• Estimating Resistance against Multidimensional Linear Attacks: An Application on DEAN
  Risto M. Hakala, Atle Kivelä, and Kaisa Nyberg
  Proc. of Inscrypt 2012, LNCS vol. 7763, pp. 246-262, Springer, 2013
• An Upper Bound for the Linearity of Exponential Welch Costas Functions
  Risto M. Hakala
  Finite Fields and Their Applications, vol. 18, no. 4, pp. 855-862, 2012
• Consecutive S-box Lookups: A Timing Attack on SNOW 3G
  Billy Bob Brumley, Risto M. Hakala, Kaisa Nyberg, and Sampo Sovio
  Proc. of ICICS 2010, LNCS vol. 6476, pp. 171-185, Springer, 2010
• On the Nonlinearity of Discrete Logarithm in F_2ⁿ
  Risto M. Hakala and Kaisa Nyberg
  Proc. of SETA 2010, LNCS vol. 6338, pp. 333-345, Springer, 2010
• A Practical Distinguisher for the Shannon Cipher
  Zahra Ahmadian, Javad Mohajeri, Mahmoud Salmasizadeh, Risto M. Hakala, and Kaisa Nyberg
  Journal of Systems and Software, vol. 83, no. 4, pp. 543-547, 2010
• Cache-Timing Template Attacks
  Billy Bob Brumley and Risto M. Hakala
  Proc. of ASIACRYPT 2009, LNCS vol. 5912, pp. 667-684, Springer, 2009