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Implementation of a new statistical attack on block encryption

Abstract

In this paper, modification of attack on block encryption RC6 suggested by V.A. Monarev and A.M. Lubkin in 2010 is described. This new method enables to find a key for a five round encryption on PC in acceptable time. In particular, computational complexity for 5 and 6 round is 240 and 250 respectively.

About the Author

V. A. Monarev
ИВТ СО РАН
Russian Federation


References

1. Монарев В.А., Лубкин А.М. Эффективная атака на блоковый шифр RC6 // Вестник СибГУТИ. № 4, 2010, с.55- 60.

2. Knudsen L., Meier W. Correlations in RC6 whith a reduce number of rounds // FSE 2000, LNCS 1978 (2000), Springer Verlag, P. 94-108.

3. Miyaji A., Nonaka M. Evaluation of the security of RC6 against the - attack // IEICE Trans. Fundamentals, vol. E88-A, No.1, 2005.

4. Isogai N., Matsunaka T., Miyaji A. Optimized -attack against RC6 // ACNS 2003, LNCS 2846 (2003), Springer Verlag, P. 199-211.

5. Pябко Б.Я., Монарев В.А., Шокин Ю.И. Новый тип атак на блоковые шифры // Проблемы передачи информации, т. 41, н. 4, 2005, с.181- 128.

6. Miyaji A. and Nonaka M. Cryptanalysis of the Reduced-Round RC6 // Proc. ICICS 2002, LNCS 2513, P. 480-494.


Review

For citations:


Monarev V.A. Implementation of a new statistical attack on block encryption. The Herald of the Siberian State University of Telecommunications and Information Science. 2014;(1):85-90. (In Russ.)

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ISSN 1998-6920 (Print)