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05/31/2023
Hidden Stabilizers, the Isogeny To Endomorphism Ring Problem and the Cryptanalysis of pSIDH
The Isogeny to Endomorphism Ring Problem (IsERP) asks to compute the end...
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07/14/2020
Algorithmic applications of the corestriction of central simple algebras
Let L be a separable quadratic extension of either ℚ or 𝔽_q(t). We propo...
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05/29/2020
Weak instances of SIDH variants under improved torsion-point attacks
SIDH is a post-quantum key exchange algorithm based on the presumed diff...
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12/21/2018
An identification system based on the explicit isomorphism problem
We propose various zero knowledge protocols based on the algorithmic pro...
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10/27/2016
Explicit equivalence of quadratic forms over F_q(t)
We propose a randomized polynomial time algorithm for computing nontrivi...
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06/03/2016
Splitting quaternion algebras over quadratic number fields
We propose an algorithm for finding zero divisors in quaternion algebras...
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08/31/2015