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Theoretical Analysis of ``Correlations in RC6''
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Abstract: | In this paper, we give the theoretical analysis of Chi-square attack proposed by Knudsen and Meier on the RC6 block cipher. To this end, we propose the novel method of security evaluation against Chi-square attack precisely including key dependency by introducing a technique ``Transition Matrix Computing.'' On the other hand, the way of security evaluation against Chi-square attack has not been known except the computer experiment. We should note that it is the first results the way of security evaluation against Chi-square attack is shown theoretically. Using this method, we can obtain the ``weakest keys'' against the attack. |
BibTeX
@misc{eprint-2002-11699, title={Theoretical Analysis of ``Correlations in RC6''}, booktitle={IACR Eprint archive}, keywords={secret-key cryptography / cryptanalysis, RC6, Chi-square attack, Transision Matorix}, url={http://eprint.iacr.org/2002/176}, note={ takenaka@labs.fujitsu.com 12009 received 13 Nov 2002, last revised 17 Nov 2002}, author={Masahiko Takenaka and Takeshi Shimoyama and Takeshi Koshiba}, year=2002 }