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Density Attack to the Knapsack Cryptosystems with Enumerative Source Encoding

Keiji OMURA, Keisuke TANAKA

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Summary :

We analyze the Lagarias-Odlyzko low-density attack precisely, and show that this low-density attack can be applied to the Chor-Rivest and the Okamoto-Tanaka-Uchiyama cryptosystemes, which are considered to be secure against the low-density attack. According to our analysis, these schemes turn out to be no longer secure against the low-density attack.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E87-A No.6 pp.1564-1569
Publication Date
2004/06/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Information Security

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