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Cryptanalysis of a public-key cryptosystem based on approximations by rational numbers

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (1991) 473 LNCS 313-317
DOI: 10.1007/3-540-46877-3_28
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Abstract

At the Eurocrypt meeting, a public-key cryptosystem based on rational numbers has been proposed [2]. We show that this system is not secure. Our attack uses the LLL algorithm. Numerical computations confirm that it is successful.

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Stern, J., & Toffin, P. (1991). Cryptanalysis of a public-key cryptosystem based on approximations by rational numbers. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 473 LNCS, pp. 313–317). Springer Verlag. https://doi.org/10.1007/3-540-46877-3_28

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