Integer Syndrome Decoding in the Presence of Noise - Archive ouverte HAL
Article Dans Une Revue Cryptography and Communications - Discrete Structures, Boolean Functions and Sequences Année : 2024

Integer Syndrome Decoding in the Presence of Noise

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Code-based cryptography received attention after the NIST started the post-quantum cryptography standardization process in 2016. A central NP-hard problem is the binary syndrome decoding problem, on which the security of many code-based cryptosystems lies. The best known methods to solve this problem all stem from the information-set decoding strategy, first introduced by Prange in 1962. A recent line of work considers augmented versions of this strategy, with hints typically provided by side-channel information. In this work, we consider the integer syndrome decoding problem, where the integer syndrome is available but might be noisy. We study how the performance of the decoder is affected by the noise. We provide experimental results on cryptographic parameters for the BIKE and Classic McEliece cryptosystems, which are both candidates for the fourth round of the NIST standardization process.
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hal-04687281 , version 1 (05-09-2024)

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Vlad Dragoi, Brice Colombier, Pierre-Louis Cayrel, Vincent Grosso. Integer Syndrome Decoding in the Presence of Noise. Cryptography and Communications - Discrete Structures, Boolean Functions and Sequences , 2024, 16 (5), pp.1103-1134. ⟨10.1007/s12095-024-00712-3⟩. ⟨hal-04687281⟩
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