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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Improved DST Cryptanalysis of IDEA
verfasst von : Eyüp Serdar Ayaz, Ali Aydın Selçuk
Erschienen in: Selected Areas in Cryptography
Verlag: Springer Berlin Heidelberg
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In this paper, we show how the Demirci-Selcuk-Ture attack, which is currently the deepest penetrating attack on the IDEA block cipher, can be improved significantly in performance. The improvements presented reduce the attack’s plaintext, memory, precomputation time, and key search time complexities. These improvements also make a practical implementation of the attack on reduced versions of IDEA possible, enabling the first experimental verifications of the DST attack.