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X-WR-CALNAME:GREYC UMR CNRS 6072 - Groupe de Recherche en Informatique, Image, et Instrumentation de Caen
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X-WR-CALDESC:évènements pour GREYC UMR CNRS 6072 - Groupe de Recherche en Informatique, Image, et Instrumentation de Caen
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TZID:Europe/Paris
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DTSTART:20220327T010000
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DTSTART;TZID=Europe/Paris:20220608T140000
DTEND;TZID=Europe/Paris:20220608T150000
DTSTAMP:20260509T212031
CREATED:20220531T082615Z
LAST-MODIFIED:20220531T082615Z
UID:10856-1654696800-1654700400@www.greyc.fr
SUMMARY:Simona Etinski - Generic Syndrome Decoding Problem and its Application to Cryptography
DESCRIPTION:Syndrome decoding problem is one of the central problems in coding theory as well as in code-based cryptography. The problem is known to be NP-complete and\, for conveniently chosen parameters\, exponentially hard for both classical and quantum algorithms. As such\, it is proposed as a basis of classical protocols resistant to quantum attacks\, i.e.\, post-quantum protocols. The main drawback of already existing protocols is the lack of efficiency\, which is a major obstacle to using them in practice. In this work\, we thus aim to improve the efficiency of a well-known Stern signature scheme by modifying the underlying syndrome decoding problem. More precisely\, we first generalize the syndrome decoding problem and then aim to find a version of the problem\, as well as its optimal parameters\, that yield a shorter Stern’s signature.
URL:https://www.greyc.fr/event/simona-etinski-generic-syndrome-decoding-problem-and-its-application-to-cryptography/
LOCATION:ENSICAEN – Batiment F – Salle F-200\, 6 Bd Maréchal Juin\, Caen\, 14050\, France
CATEGORIES:Séminaire Cryptologie et sécurité
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