The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 2023
Filed:
May. 20, 2022
American Express Travel Related Services Company, Inc., New York, NY (US);
Wael Ibrahim, San Diego, CA (US);
Manish K. Deliwala, Chandler, AZ (US);
Manik Biswas, Burgess Hill, GB;
Subrahmanyam Venakata Vishnuvajhala, Phoenix, AZ (US);
Andrew Lei, Brooklyn, NY (US);
American Express Travel Related Services Company, Inc., New York, NY (US);
Abstract
Disclosed are various embodiments for executing entity-specific cryptographic code in a cryptographic coprocessor. In one embodiment, an exemplary method comprises receiving encrypted code that includes implementing a cryptographic algorithm from a service via a network, wherein the encrypted code further includes a symmetric encryption key; decrypting, by a cryptographic coprocessor, the encrypted code; executing, by the cryptographic coprocessor, the decrypted code to generate a cryptogram including information encrypted using the cryptographic algorithm and the symmetric encryption key; and sending the cryptogram to the service via the network.