Partitioning oracle attacks against variants of AES-GCM and ChaCha20-Poly1305

We investigate so-called partitioning oracle attacks against AES-GCM and ChaCha20-Poly1305 along with some improvements. Such attacks against these two cryptosystems are efficient because they can be reduced to solving linear systems of equations over finite fields. We show, with some randomness ass...

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Bibliographic Details
Main Author: Tordsson, Pontus
Format: Others
Language:English
Published: Linnéuniversitetet, Institutionen för matematik (MA) 2021
Subjects:
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104355

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