2008 | OriginalPaper | Buchkapitel
New Related-Key Boomerang Attacks on AES
verfasst von : Michael Gorski, Stefan Lucks
Erschienen in: Progress in Cryptology - INDOCRYPT 2008
Verlag: Springer Berlin Heidelberg
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In this paper we present two new attacks on round reduced versions of the AES. We present the first application of the related-key boomerang attack on 7 and 9 rounds of AES-192. The 7-round attack requires only 2
18
chosen plaintexts and ciphertexts and needs 2
67.5
encryptions. We extend our attack to nine rounds of AES-192. This leaves to a data complexity of 2
67
chosen plaintexts and ciphertexts using about 2
143.33
encryptions to break 9 rounds of AES-192.