SQISign: compact post-quantum signatures from quaternions and isogenies

L De Feo, D Kohel, A Leroux, C Petit… - Advances in Cryptology …, 2020 - Springer
We introduce a new signature scheme, SQISign,(for Short Quaternion and Isogeny
Signature) from isogeny graphs of supersingular elliptic curves. The signature scheme is …

Towards quantum-resistant cryptosystems from supersingular elliptic curve isogenies

L De Feo, D Jao, J Plût - Journal of Mathematical Cryptology, 2014 - degruyter.com
We present new candidates for quantum-resistant public-key cryptosystems based on the
conjectured difficulty of finding isogenies between supersingular elliptic curves. The main …

A post-quantum digital signature scheme based on supersingular isogenies

Y Yoo, R Azarderakhsh, A Jalali, D Jao… - … Cryptography and Data …, 2017 - Springer
We present the first general-purpose digital signature scheme based on supersingular
elliptic curve isogenies secure against quantum adversaries in the quantum random oracle …

New algorithms for the Deuring correspondence: towards practical and secure SQISign signatures

L De Feo, A Leroux, P Longa, B Wesolowski - … International Conference on …, 2023 - Springer
The Deuring correspondence defines a bijection between isogenies of supersingular elliptic
curves and ideals of maximal orders in a quaternion algebra. We present a new algorithm to …

Isogeny-based quantum-resistant undeniable signatures

D Jao, V Soukharev - … Workshop, PQCrypto 2014, Waterloo, ON, Canada …, 2014 - Springer
We propose an undeniable signature scheme based on elliptic curve isogenies, and prove
its security under certain reasonable number-theoretic computational assumptions for which …

Identification protocols and signature schemes based on supersingular isogeny problems

SD Galbraith, C Petit, J Silva - Journal of Cryptology, 2020 - Springer
We present signature schemes whose security relies on computational assumptions relating
to isogeny graphs of supersingular elliptic curves. We give two schemes, both of them based …

Identification protocols and signature schemes based on supersingular isogeny problems

SD Galbraith, C Petit, J Silva - … 2017: 23rd International Conference on the …, 2017 - Springer
We provide a new identification protocol and new signature schemes based on isogeny
problems. Our identification protocol relies on the hardness of the endomorphism ring …

Practical post-quantum signature schemes from isomorphism problems of trilinear forms

G Tang, DH Duong, A Joux, T Plantard, Y Qiao… - … conference on the …, 2022 - Springer
In this paper, we propose a practical signature scheme based on the alternating trilinear
form equivalence problem. Our scheme is inspired by the Goldreich-Micali-Wigderson's zero …

Towards quantum-resistant cryptosystems from supersingular elliptic curve isogenies

D Jao, L De Feo - … : 4th International Workshop, PQCrypto 2011, Taipei …, 2011 - Springer
We present new candidates for quantum-resistant public-key cryptosystems based on the
conjectured difficulty of finding isogenies between supersingular elliptic curves. The main …

Constructing elliptic curve isogenies in quantum subexponential time

A Childs, D Jao, V Soukharev - Journal of Mathematical Cryptology, 2014 - degruyter.com
Given two ordinary elliptic curves over a finite field having the same cardinality and
endomorphism ring, it is known that the curves admit a nonzero isogeny between them, but …