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|Title: ||Comparison of cube attacks over different vector spaces|
|Authors: ||Winter, Richard|
Phan, Raphael C.-W.
|Editors: ||Groth, J|
|Keywords: ||Cube/AIDA attack|
Higher order differentiation
|Issue Date: ||2015|
|Publisher: ||© Springer|
|Citation: ||WINTER, R., SALAGEAN, A.M. and PHAN, R.C-W., 2015. Comparison of cube attacks Over different vector spaces. Presented at the 15th IMA International Conference, (IMACC 2015), Oxford, UK, December 15-17, pp. 225-238.|
|Series/Report no.: ||Lecture Notes in Computer Science;9496|
|Abstract: ||We generalise the cube attack of Dinur and Shamir (and the similar AIDA attack of Vielhaber) to a more general higher order differentiation attack, by summing over an arbitrary subspace of the space of initialisation vectors. The Moebius transform can be used for efficiently examining all the subspaces of a big space, similar to the method used by Fouque and Vannet for the usual cube attack.
Secondly we propose replacing the Generalised Linearity Test proposed by Dinur and Shamir with a test based on higher order differentiation/Moebius transform. We show that the proposed test provides all the information provided by the Generalised Linearity Test, at the same computational cost. In addition, for functions that do not pass the linearity test it also provides, at no extra cost, an estimate of the degree of the function. This is useful for guiding the heuristics for the cube/AIDA attacks.|
|Description: ||This paper is in closed access until 8th Dec 2016.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://dx.doi.org/10.1007/978-3-319-27239-9_14|
|Appears in Collections:||Closed Access (Computer Science)|
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