Patent ID: 11871224
Assignee: THE ALFRED E. MANN FOUNDATION FOR SCIENTIFIC RESEARCH
Field: Digital communication (Electrical engineering)
Classification: CPC H  A  G | IPC A  G  H

Claim 0:
1. A method of communicating between a first device and a second device of a system over a wireless communications link, the method comprising:
receiving a trigger signal in response to a user action;
establishing a wireless communications link between the first device and the second device in response to the trigger signal;
initiating an authentication procedure on the second device over the established wireless communication link;
receiving a first unencrypted version of a random number and a first encrypted version of the random number from the second device over the wireless communications link; and
performing an authentication procedure on the second device based on the first unencrypted version of the random number and the first encrypted version of the random number; and
preventing the second device from commanding the first device to perform an action if the authentication procedure is not completed within a predetermined period of time after the wireless communication link has been established between the first device and the second device or if the authentication procedure fails within the predetermined period of time.