EXECUTING ENTITY-SPECIFIC CRYPTOGRAPHIC CODE IN A CRYPTOGRAPHIC COPROCESSOR - Patent 4042630

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EP 4 042 630 A1

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(43)	Date of publication:
	17.08.2022 Bulletin 2022/33

(21)	Application number: 20874322.9

(22)	Date of filing: 30.09.2020

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International Patent Classification (IPC):

H04L 9/08^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	H04L 9/0897; H04L 9/3247; H04L 2209/56; H04L 63/126; H04L 63/0428; G06F 21/602

(86)	International application number:
	PCT/US2020/053520

(87)	International publication number:
	WO 2021/071719 (15.04.2021 Gazette 2021/15)

(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
	Designated Extension States:
	BA ME
	Designated Validation States:
	KH MA MD TN

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Priority:

11.10.2019 US 201962914272 P
11.10.2019 US 201962914275 P
30.10.2019 US 201916668973
30.10.2019 US 201916669002

(71)	Applicant: American Express Travel Related Services Company, Inc.
	New York, NY 10285-4900 (US)

(72)	Inventors:
	IBRAHIM, Wael New York, NY 10285 (US) DELIWALA, Manish New York, NY 10285 (US) BISWAS, Manik W SUSX Sussex RH15 9AQ (GB) VISHNUVAJHALA, Subrahmanyam New York, NY 10285 (US) LEI, Andrew New York, NY 10285 (US)

(74)	Representative: Sackin, Robert
	Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)

(54)	EXECUTING ENTITY-SPECIFIC CRYPTOGRAPHIC CODE IN A CRYPTOGRAPHIC COPROCESSOR