A METHOD OF CONSTRUCTING A PUBLIC-KEY SYSTEM IN QAP-BASED HOMOMORPHIC ENCRYPTION

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EP 4 170 964 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	12.06.2024 Bulletin 2024/24

(45)	Mention of the grant of the patent:
	03.04.2024 Bulletin 2024/14

(21)	Application number: 21214811.8

(22)	Date of filing: 15.12.2021

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International Patent Classification (IPC):

H04L 9/30^(2006.01)
G06N 10/00^(2022.01)
G06N 10/20^(2022.01)

H04L 9/08^(2006.01)
G06F 21/60^(2013.01)
H04L 9/00^(2022.01)

(52)	Cooperative Patent Classification (CPC):
	G06F 21/602; H04L 9/008; G06N 10/20; G06N 10/60; H04L 9/3006

(54)	A METHOD OF CONSTRUCTING A PUBLIC-KEY SYSTEM IN QAP-BASED HOMOMORPHIC ENCRYPTION VERFAHREN ZUR HERSTELLUNG EINES ÖFFENTLICHEN SCHLÜSSELSYSTEMS IN EINER QAP-BASIERTEN HOMOMORPHEN VERSCHLÜSSELUNG PROCÉDÉ DE CONSTRUCTION D'UN SYSTÈME DE CLÉS PUBLIQUES DANS UN CHIFFREMENT HOMOMORPHE À BASE DE QAP

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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Priority:

22.10.2021 US 202163270635 P
11.11.2021 TW 110142063

(43)	Date of publication of application:
	26.04.2023 Bulletin 2023/17

(73)	Proprietor: National Applied Research Laboratories
	Taipei City (TW)

(72)	Inventors:
	SU, Zheng-Yao Hsinchu (TW) TSAI, Ming-Chung Hsinchu (TW)

(74)	Representative: Manitz Finsterwald Patent- und Rechtsanwaltspartnerschaft mbB
	Martin-Greif-Strasse 1 80336 München 80336 München (DE)

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References cited: :

GORJAN ALAGIC ET AL: "Quantum Fully Homomorphic Encryption With Verification", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 30 August 2017 (2017-08-30), XP081291397, DOI: 10.1007/978-3-319-70694-8_16
DULEK YFKE ET AL: "Quantum Homomorphic Encryption for Polynomial-Sized Circuits", 21 July 2016 (2016-07-21), ADVANCES IN BIOMETRICS : INTERNATIONAL CONFERENCE, ICB 2007, SEOUL, KOREA, AUGUST 27 - 29, 2007 ; PROCEEDINGS; [LECTURE NOTES IN COMPUTER SCIENCE; LECT.NOTES COMPUTER], SPRINGER, BERLIN, HEIDELBERG, PAGE(S) 3 - 32, XP047351656, ISBN: 978-3-540-74549-5 [retrieved on 2016-07-21] * Section 2.2. * * Section 3. *
GUANGSHENG MA ET AL: "Quantum Fully Homomorphic Encryption without Preprocessing", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 3 February 2021 (2021-02-03), XP081873964,

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