CPC H04W 12/06 (2013.01) [A61B 5/0024 (2013.01); A61B 5/0031 (2013.01); A61F 2/72 (2013.01); A61N 1/37252 (2013.01); G16H 40/40 (2018.01); H04L 9/3271 (2013.01); H04L 63/061 (2013.01); H04L 63/0869 (2013.01); H04L 67/12 (2013.01); H04L 67/141 (2013.01); H04L 67/53 (2022.05); H04L 69/40 (2013.01); H04Q 9/00 (2013.01); H04W 12/04 (2013.01); H04W 12/50 (2021.01); A61B 5/0004 (2013.01); G06F 21/6245 (2013.01); G08C 2201/60 (2013.01); H04L 63/0428 (2013.01); H04L 63/06 (2013.01); H04L 2209/80 (2013.01); H04L 2209/88 (2013.01); H04Q 2209/43 (2013.01)] | 22 Claims |
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.
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