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Paper 2016/652
Automatic Search for a Maximum Probability Differential Characteristic in a Substitution-Permutation Network
Arnaud BANNIER and Nicolas BODIN and Eric FILIOL
Abstract
The algorithm presented in this paper computes a maximum probability differential characteristic in a Substitution-Permutation Network (or SPN). Such characteristics can be used to prove that a cipher is practically secure against differential cryptanalysis or on the contrary to build the most effective possible attack. Running in just a few second on 64 or 128-bit SPN, our algorithm is an important tool for both cryptanalists and designers of SPN.
Note: This paper is the revised version of that presented at HICSS-48
Metadata
- Available format(s)
- Category
- Secret-key cryptography
- Publication info
- Published elsewhere. Minor revision. HICSS-48
- Keywords
- Block ciphersCryptanalysis
- Contact author(s)
- filiol @ esiea fr
- History
- 2016-06-24: received
- Short URL
- https://ia.cr/2016/652
- License
-
CC BY