Patent ID: 11869295
Assignee: ASSA ABLOY AMERICAS RESIDENTIAL INC.
Field: Control (Instruments)
Classification: CPC G  H | IPC G  H

Claim 3:
4. The method of claim 1, wherein performing the mutual authentication process includes:
a mobile device authentication phase comprising:
receiving a certificate from the mobile device;
verifying the certificate received from the mobile device relative to a public version of the certificate;
sending a random challenge to the mobile device;
receiving a digital signature from the mobile device, the digital signature being generated by a certificate holder and based, at least in part, on the random challenge;
verifying the digital signature based on the random challenge and a public key of the certificate holder; and
transmitting to the mobile device a result of verifying the digital signature; and

an electronic lock authentication phase comprising:
transmitting a lock certificate to the mobile device; and
transmitting a lock digital signature to the mobile device, the lock digital signature being generated based on a second random challenge.