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Information- and Coding-Theoretic Analysis of the RLWE Channel. (arXiv:2009.08681v3 [cs.IT] UPDATED)
Nov. 28, 2022, 2:10 a.m. | Georg Maringer, Sven Puchinger, Antonia Wachter-Zeh
cs.CR updates on arXiv.org arxiv.org
Several cryptosystems based on the \emph{Ring Learning with Errors} (RLWE)
problem have been proposed within the NIST post-quantum cryptography
standardization process, e.g., NewHope. Furthermore, there are systems like
Kyber which are based on the closely related MLWE assumption. Both previously
mentioned schemes result in a non-zero decryption failure rate (DFR). The
combination of encryption and decryption for these kinds of algorithms can be
interpreted as data transmission over a noisy channel. To the best of our
knowledge this paper is …
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