CTIDH: faster constant-time CSIDH

This paper introduces a new key space for CSIDH and a new algorithm for constant-time evaluation of the CSIDH group action. The key space is not useful with previous algorithms, and the algorithm is not useful with previous key spaces, but combining the new key space with the new algorithm produces...

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Príomhchruthaitheoirí:	Gustavo Banegas, Daniel J. Bernstein, Fabio Campos, Tung Chou, Tanja Lange, Michael Meyer, Benjamin Smith, Jana Sotáková
Formáid:	Artigo
Teanga:	Inglês
Foilsithe / Cruthaithe:	Ruhr-Universität Bochum 2021-08-01
Sraith:	Transactions on Cryptographic Hardware and Embedded Systems
Ábhair:	post-quantum cryptography non-interactive key exchange small keys isogeny-based cryptography CSIDH constant-time algorithms
Rochtain ar líne:	https://tches.iacr.org/index.php/TCHES/article/view/9069
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CTIDH: faster constant-time CSIDH

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