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I have a MacBook pro Retina 15, Late 2013 running Mojave. I also have an off brand Bluetooth 3.0 Keyboard ( GeneralKeys PX-4068-675 ).

The keyboard connects fine to the MacBook WITHOUT asking for a pin ... but I'm not clear if the connection is using/requiring encryption.

Is here a way to verify it is encrypted?

BurningKrome
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  • Does the manufacturer claim the connection is encrypted? – Graham Miln Jan 03 '19 at 09:40
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    @GrahamMiln I'm not sure. I don't think so. But the manual is in German (I'm an English speaking expat) - and my German language skills aren't so great. But looking through the manual, and the website, I simply don't see it mentioned. – BurningKrome Jan 03 '19 at 10:05
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    See this answer for some useful info: https://apple.stackexchange.com/a/287013/119271 – Allan Jan 03 '19 at 12:20

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I suspect you should assume your keyboard is not secure. Much depends on who is likely to be attacking you – prankster or nation state:

While Bluetooth has its benefits, it is susceptible to denial of service attacks, eavesdropping, man-in-the-middle attacks, message modification, and resource misappropriation.

These two questions on related StackExchanges give a good overview:

Hopefully you can secure the environment in which the keyboard can broadcast.

WireShark

The WireShark tool maybe able to intercept the Bluetooth traffic. See Bluetooth Smart Wireshark Plugin for a guide. Also see Bluetooth Smart Security for more technical details.

Graham Miln
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