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04/25/2023
SPDH-Sign: towards Efficient, Post-quantum Group-based Signatures
In this paper, we present a new diverse class of post-quantum group-base...
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09/06/2022
A Subexponential Quantum Algorithm for the Semidirect Discrete Logarithm Problem
Group-based cryptography is a relatively young family in post-quantum cr...
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07/08/2022
Post-quantum hash functions using SL_n(𝔽_p)
We define new families of Tillich-Zémor hash functions, using higher dim...
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02/10/2022
Semidirect Product Key Exchange: the State of Play
In this report we survey the various proposals of the key exchange proto...
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11/10/2021
On the efficiency of a general attack against the MOBS cryptosystem
All instances of the semidirect key exchange protocol, a generalisation ...
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05/17/2021