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On Decoding Schemes for the MDPC-McEliece Cryptosystem

Bartz, Hannes and Liva, Gianluigi (2019) On Decoding Schemes for the MDPC-McEliece Cryptosystem. 12th International ITG Conference on Systems, Communications and Coding, Rostock.

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Abstract

In this paper, classical (iterative) decoding schemes for moderate-density parity-check (MDPC) codes are considered. The algorithms are analyzed with respect to their errorcorrection capability as well as their resilience against a recently proposed reaction-based key-recovery attack on a variant of the MDPC-McEliece cryptosystem by Guo, Johansson and Stankovski (GJS). New message-passing decoding algorithms are presented and analyzed. The proposed decoding algorithms have an improved error-correction performance compared to existing hard-decision decoding schemes and can reduce the effectiveness of the GJS reaction-based attack for an appropriate choice of the algorithm’s parameters.

Item URL in elib:https://elib.dlr.de/127291/
Document Type:Conference or Workshop Item (Poster)
Title:On Decoding Schemes for the MDPC-McEliece Cryptosystem
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bartz, Hanneshannes.bartz (at) dlr.dehttps://orcid.org/0000-0001-7767-1513
Liva, GianluigiGianluigi.Liva (at) dlr.deUNSPECIFIED
Date:February 2019
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:QC-MDPC codes, McEliece Crryptosystem
Event Title:12th International ITG Conference on Systems, Communications and Coding
Event Location:Rostock
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Multimedia Satellitennetze
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Satellite Networks
Deposited By: Bartz, Hannes
Deposited On:20 May 2019 13:34
Last Modified:31 Jul 2019 20:25

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