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ADMM and Reproducing Sum-Product Decoding Algorithm Applied to QC-MDPC Code-based McEliece Cryptosystems
Nov. 21, 2022, 2:24 p.m. |
IACR News www.iacr.org
ePrint Report: ADMM and Reproducing Sum-Product Decoding Algorithm Applied to QC-MDPC Code-based McEliece Cryptosystems
Kohtaro Watanabe, Motonari Ohtsuka, Yuta Tsukie
QC-MDPC (quasi cyclic moderate density parity check) code-based McEliece cryptosystems are considered to be one of the candidates for post-quantum cryptography. Decreasing DER (decoding error rate) is one of important factor for their security, since recent attacks to these cryptosystems effectively use DER information.
In this paper, we pursue the possibility of optimization-base decoding, concretely we examine ADMM (alternating direction …
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