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2001 | OriginalPaper | Buchkapitel

Root Finding Interpolation Attack

verfasst von : Kaoru Kurosawa, Tetsu Iwata, Viet Duong Quang

Erschienen in: Selected Areas in Cryptography

Verlag: Springer Berlin Heidelberg

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In this paper, we first show that there are several equivalent keys for t + 1 chosen plaintexts if the degree of the reduced cipher is t-1. This is against the claim by Jakobsen and Knudsen. We also derive an upper bound on the number of equivalent last round keys for t + 1 chosen plaintexts. We further show an efficient method which finds all the equivalent keys by using Rabin’s root finding algorithm. We call our attack root finding interpolation attack

Metadaten
Titel
Root Finding Interpolation Attack
verfasst von
Kaoru Kurosawa
Tetsu Iwata
Viet Duong Quang
Copyright-Jahr
2001
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/3-540-44983-3_22

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