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:
Apr. 16, 2024
Filed:
Feb. 05, 2021
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
A method is disclosed. The method includes transmitting, by a user device to an access device, a digital certificate and a seed. The access device encrypts the seed and a first access device key with a public key from the digital certificate to form encrypted data. The method also includes receiving from the access device, the encrypted data, decrypting the encrypted data using a private key corresponding to the public key to obtain the seed and the first access device key, verifying that the seed received from the access device matches the seed sent to the access device, encrypting a secret or derivative thereof with the first access device key to form an encrypted secret or derivative thereof, and transmitting to the access device, the encrypted secret or derivative thereof.