SIKE

Information

Authors

• David Jao (University of Waterloo and evolution Q.Inc)
• Reza Azarderakhsh (Florida Atlantic University and PQSecure Technologies LLC)
• Matthew Campagna (Amazon)
• Craig Costello (Microsoft Research)
• Luca De Feo (Université de Versailles – Saint-Quentin)
• Basil Hess (Infosec Global Switzerland)
• Amir Jalali (LinkedIn Corporation)
• Brian Koziel (Texas Instruments)
• Brian LaMacchia (Microsoft Research)
• Patrick Longa (Microsoft Research)
• Michael Naehrig (Microsoft Research)
• Geovandro Pereira (University of Waterloo and evolution Q.Inc)
• Joost Renes (Radboud University)
• Vladimir Soukharev (Infosec Global Canada)
• David Urbanik (University of Toronto)
• Koray Karabina (National Research Council, Canada)
• Aaron Hutchinson (University of Waterloo, Canada)

Official Links

• Website
• Submission details: Round 1, Round 2.
• Official Comments:Round 1, Round 2.

Related Articles

A Compact and Scalable Hardware/Software Co-design of SIKE
Pedro Maat C. Massolino and Patrick Longa and Joost Renes and Lejla Batina.
CHES-2020, 14 Jan 2020.

The Dark SIDH of Isogenies
Paul Bottinelli and Victoria de Quehen and Chris Leonardi and Anton Mosunov and Filip Pawlega and Milap Sheth.
Cryptology ePrint Archive: Report 2019/1333, 19 Nov 2019.

B-SIDH: supersingular isogeny Diffie-Hellman using twisted torsion
Craig Costello.
Cryptology ePrint Archive: Report 2019/1145, 3 Oct 2019.

SIKE'd Up: Fast and Secure Hardware Architectures for Supersingular Isogeny Key Encapsulation
Brian Koziel and A-Bon Ackie and Rami El Khatib and Reza Azarderakhsh and Mehran Mozaffari-Kermani.
Cryptology ePrint Archive: Report 2019/711.

SIKE Round 2 Speed Record on ARM Cortex-M4
Hwajeong soe and Amir Jalali and Reza Azarderakhsh.
Cryptology ePrint Archive: Report 2019/535, 20 May 2019.

Improved Classical Cryptanalysis of SIKE in Practice
Craig Costello and Patrick Longa and Michael Naehrig and Joost Renes and Fernando Virdia.
IACR-PKC-2020.

SIDH on ARM: Faster Modular Multiplications for Faster Post-Quantum Supersingular Isogeny Key Exchange
Hwajeong Seo and Zhe Liu and Patrick Longa and Zhi Hu.
CHES-2018, 2018.

A Note on Post-Quantum Authenticated Key Exchange from Supersingular Isogenies
Patrick Longa.
Cryptology ePrint Archive: Report 2018/267, 2018.

Summary Tables

ROUND 1
Description	isogeny Isogenies
Assumption	SIDH
Functionality	KEM
Public Key (bytes)	level 1: 378 level 3: 564, 434 level 5: 726
Secret Key (bytes)	level 1: 434 level 3: 644 level 5: 826
CIPH/SIG (bytes)	level 1: 402 level 3: 596 level 5: 766
Security Type	IND-CCA (HHK)

ROUND 2
	SIKE	SIKE_compressed
Description	isogeny Isogenies
Assumption	SIDH
Functionality	KEM
Public Key (bytes)	level 1: 330 level 2: 378 level 3: 462 level 5: 564	level 1: 196 level 2: 224 level 3:273 level 5: 331
Secret Key (bytes)	level 1: 374 level 2: 434 level 3: 524 level 5: 644	level 1: 239 level 2: 280 level 3:336 level 5: 413
CIPH/SIG (bytes)	level 1: 346 level 2: 402 level 3: 486 level 5: 596	level 1: 209 level 2: 248 level 3:297 level 5: 363
Security Type	IND-CCA (HHK)