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:
Feb. 10, 2026
Filed:
Feb. 29, 2024
Visa International Service Association, San Francisco, CA (US);
Yuexi Chen, Foster City, CA (US);
Marc Kekicheff, Foster City, CA (US);
Visa International Service Association, San Francisco, CA (US);
Abstract
An access device is disclosed. The access device includes a non-transitory computer readable medium that includes code for performing a method that includes receiving, from a user device, a digital certificate and a seed, and then encrypting the seed, and a first access device key with a public key from the digital certificate to form encrypted data. The method also includes transmitting, to the user device, the encrypted data. The user device decrypts the encrypted data using a private key corresponding to the public key to obtain the seed, and the first access device key, verifies that the seed received from the access device matches the seed sent to the access device, and encrypts a secret or derivative thereof with the first access device key to form an encrypted secret or derivative thereof. The method also includes receiving the encrypted secret or derivative thereof.