Patent ID: 11949688
Assignee: GOOGLE LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A computer-implement method comprising:
generating, at a web browser of a client device, an attestation token having:
a set of data that includes at least (i) a public key of the web browser and (ii) a token creation time that indicates a time at which the attestation token was created;
a signature of the set of data, wherein the signature is generated using a private key that corresponds to the public key; and
a group of encrypted cookie elements that includes, for each of a plurality of recipients, a respective encrypted cookie element that includes an encrypted result from encrypting a cookie of the recipient that is stored on the client device using a public key of the recipient, wherein the respective encrypted cookie element for each recipient is different from the respective encrypted cookie element for each other recipient and

transmitting a request to one or more of the plurality of recipients, the request including the attestation token.