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Block-Anti-Circulant Unbalanced Oil and Vinegar

Boekbijdrage - Boekhoofdstuk Conferentiebijdrage

We introduce a new technique for compressing the public keys of the UOV signature scheme that makes use of block-anti-circulant matrices. These matrices admit a compact representation as for every block, the remaining elements can be inferred from the first row. This space saving translates to the public key, which as a result of this technique can be shrunk by a small integer factor. We propose parameters sets that take into account the most important attacks, and present performance statistics derived from a C implementation along with a comparison to LUOV.
Boek: Selected Areas in Cryptography – SAC 2019. SAC 2019. Lecture Notes in Computer Science
Pagina's: 574 - 588
Aantal pagina's: 14
ISBN:978-3-030-38470-8
Jaar van publicatie:2020
BOF-keylabel:ja
IOF-keylabel:ja
Authors from:Higher Education
Toegankelijkheid:Closed