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Generic Decoding of Restricted Errors - MaRDI portal

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Generic Decoding of Restricted Errors

From MaRDI portal
Publication:6429728

arXiv2303.08882MaRDI QIDQ6429728

Author name not available (Why is that?)

Publication date: 15 March 2023

Abstract: Several recently proposed code-based cryptosystems base their security on a slightly generalized version of the classical (syndrome) decoding problem. Namely, in the so-called restricted (syndrome) decoding problem, the error values stem from a restricted set. In this paper, we propose new generic decoders, that are inspired by subset sum solvers and tailored to the new setting. The introduced algorithms take the restricted structure of the error set into account in order to utilize the representation technique efficiently. This leads to a considerable decrease in the security levels of recently published code-based cryptosystems.




Has companion code repository: https://github.com/sebastianbitzer/rest-dec








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