April 2017
Intermediate to advanced
242 pages
6h 10m
English
Content preview from Building Bluetooth Low Energy Systems
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Just Works
This model is defined for the scenarios where one or more devices do not have a display to show any pin or any digit. In this model, the user is not shown any digits, rather, a numeric comparison happens and then the user is asked to accept the connection. This model is not secure from man-in-the-middle (MITM) attack , where a person is listening to the channel constantly.
An example of this model is when a cellular phone tries to connect to a headset. At the headset end, there is no display to show the digits. Hence, the numeric comparison happens and the user is just asked to accept the connection.
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