US 12,445,455 B2
Securing browser cookies
Gang Wang, Frederick, MD (US); and Marcel M. Moti Yung, New York, NY (US)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Feb. 15, 2024, as Appl. No. 18/443,065.
Application 18/443,065 is a continuation of application No. 17/426,743, granted, now 11,949,688, previously published as PCT/US2020/046101, filed on Aug. 13, 2020.
Claims priority of provisional application 62/886,195, filed on Aug. 13, 2019.
Prior Publication US 2024/0187420 A1, Jun. 6, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 29/00 (2006.01); H04L 9/32 (2006.01); H04L 9/40 (2022.01)
CPC H04L 63/123 (2013.01) [H04L 9/3247 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computer-implement method comprising:
identifying, by a device of a user, a request to be sent from the device to multiple recipients;
obtaining, for each recipient of the multiple recipients, a respective encrypted cookie element, wherein each encrypted cookie element comprises an encrypted result from encrypting a cookie that includes information related to the user for the recipient using an encryption key for the recipient, wherein the encrypted cookie element for each recipient is different from the encrypted cookie element for each other recipient;
generating an attestation token comprising (i) a set of data, (ii) a digital signature of the set of data, and (iii) the respective encrypted cookie elements for the recipients; and
sending the request comprising the attestation token to each of the recipients.