Numeric Comparison

This model is defined when both BLE devices are designed with a display. This display is used to show a six-digit number and both are capable to verifies those numbers with a simple yes or no. For example, a user is shown a six-digit number 453145 on both screens and then asked if the numbers appeared on both ends are same. If the user answer yes, the pairing is successful. This model provides security from man-in-the-middle attacks and also serves the purpose if the user is connected to the right device.