Efento SP. J.
Ul.Krupnicza 14/5
31-123 Kraków
1. Connect to the sensor with Efento Logger, tap on the three dots in the upper right corner ->
“Settings” -> “Device settings” -> “Name”
Encryption (Bluetooth)
Enabling the encryption will result in encrypting the data sent by the sensor over Bluetooth Low Energy
interface. The encrypted data sent by the sensor can only be decrypted by a device with the encryption
key.
This feature is useful, if you need to be sure that only the authorized personnel can read the data over
Bluetooth interface. Users who do not know the encryption key, will not be able to read the data.
If the sensor communication is encrypted, only devices with a proper encryption key can read its
measurements (right). Devices without the encryption key are not able to read the data (left)
In order to set the encryption key:
1. Connect to the sensor with Efento Logger, tap on the three dots in the upper right corner ->
“Settings” -> “Device settings” -> “Turn encryption on”
2. Key in the encryption key. Make sure you write it down as you will need to add it in mobile
devices that will access the sensor data
3. From now on, the communication is encrypted. You will need to add the encryption key in Efento
Logger in order to see the data sent by the sensor
In order to switch the encryption off:
1. Connect to the sensor with Efento Logger, tap on the three dots in the upper right corner ->
“Settings” -> “Device settings” -> “Turn encryption off”
If the encryption has been turned on, once you try to connect to the sensor with Efento Logger, you will
be asked to key in the encryption key. Once you add it, the application will store the encryption key and
you will be able to access the sensor without adding it again.
Efento Logger allows you to add up to five default encryption keys. If a sensor communication is
encrypted with any of the added keys, Efento Logger will automatically decrypt the data. This is useful
for managing a fleet of sensors.
In order to add a default encryption key in Efento Logger:
1. Enter the application settings (menu icon in the upper left corner -> “Settings”)
2. Select “Default keys”
3. Press “Add encryption key” button
4. Add the encryption key and its label
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