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09/20/2023
Tropical cryptography III: digital signatures
We use tropical algebras as platforms for a very efficient digital signa...
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06/20/2023
BASS: Boolean Automorphisms Signature Scheme
We offer a digital signature scheme using Boolean automorphisms of a mul...
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06/15/2023
Digital signature schemes using non-square matrices or scrap automorphisms
We offer two very transparent digital signature schemes: one using non-s...
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05/11/2022
Linear average-case complexity of algorithmic problems in groups
The worst-case complexity of group-theoretic algorithms has been studied...
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06/02/2021
MOBS (Matrices Over Bit Strings) public key exchange
We use matrices over bit strings as platforms for Diffie-Hellman-like pu...
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09/01/2020
MAKE: a Matrix Action Key Exchange
We offer a public key exchange protocol based on a semidirect product of...
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06/02/2020
Probability theory and public-key cryptography
In this short note, we address a common misconception at the interface o...
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01/29/2020
RSA and redactable blockchains
A blockchain is redactable if a private key holder (e.g. a central autho...
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11/14/2018
Tropical cryptography II: extensions by homomorphisms
We use extensions of tropical algebras as platforms for very efficient p...
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02/20/2018
Problems in group theory motivated by cryptography
This is a survey of algorithmic problems in group theory, old and new, m...
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11/27/2017