US 12,231,583 B2
Privacy proofing of secure element generated certificates
Adrien Surwumwe, San Jose, CA (US); Robin Burel, Santa Clara, CA (US); and Rahul Narayan Singh, Sunnyvale, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by APPLE INC., Cupertino, CA (US)
Filed on Apr. 8, 2022, as Appl. No. 17/658,521.
Claims priority of provisional application 63/176,781, filed on Apr. 19, 2021.
Prior Publication US 2022/0337431 A1, Oct. 20, 2022
Int. Cl. H04L 9/32 (2006.01); H04L 9/14 (2006.01)
CPC H04L 9/3263 (2013.01) [H04L 9/14 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
creating, prior to performing a first electronic data exchange, multiple attestation certificates that enable anonymized attestation of a secure element of an electronic device for each of a plurality of attestation packages of an attestation request, the multiple attestation certificates each cryptographically associated with the secure element,
wherein the multiple attestation certificates include a first attestation certificate and a second attestation certificate,
wherein the first attestation certificate and the second attestation certificate are different, and
wherein the multiple attestation certificates enable anonymized attestation of the secure element prior to performing the first electronic data exchange;
performing the first electronic data exchange via the secure element in which authenticity of the secure element is attested via the first attestation certificate; and
performing a second electronic data exchange via the secure element in which authenticity of secure element is attested via the second attestation certificate.