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Կյուրեղյան Մ., Կյուրեղյան Ք. Кюрегян М., Кюрегян К.
Title:
Linear Cryptanalysis of Modified SAFER + Algorithm
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Creator:
Melsik K. Kyureghyan ; Knarik M. Kyuregyan
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Uncontrolled Keywords:
Block cipher ; Linear cryptanalysis ; Balanced function
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Abstract:
In paper [1] a modified SAFER+ [2] algorithm was presented. It was shown that those modifications made it possible to speed up a modified algorithm implementation about 1,7 times and obtain the same security level as compared with SAFER+ in terms of differential analysis. In this paper a linear cryptanalysis of modified SAFER+ algorithm is presented and it is shown that it has the same resistance against linear cryptanalysis as compared with an original SAFER+.