A New Type of Attacks on Block Ciphers

Authors:
B. Ya. Ryabko;V. A. Monarev;Yu. I. Shokin
Affiliations:
Aff1 Aff2;Institute of Computational Technologies, Siberian Branch of the RAS, Novosibirsk, Russia;Institute of Computational Technologies, Siberian Branch of the RAS, Novosibirsk, Russia
Venue:
Problems of Information Transmission
Year:
2005

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Abstract

A new attack (called "gradient statistical") on block ciphers is suggested and experimentally investigated. We demonstrate the possibility of applying it to ciphers for which no attacks are known except for the exhaustive key search.