Bluetooth is often used to exchange data between two devices over a short distance. For example, if we want to transfer a file from one mobile phone to the other, we can do so using Bluetooth. We can use a Bluetooth-enabled headset with a mobile phone and listen to...
When several Bluetooth devices connect with each other, they form an ad hoc network. An ad hoc network is a decentralized network that does not rely on any pre-existing network infrastructure. Each node can forward data to other nodes in the network dynamically...
Bluetooth uses symmetric key cryptography for authentication and encryption. When two Bluetooth devices pair with each other, they first generate an initialization key. The initialization key is used to generate a combination key in both devices. Once the combination...
Bluetooth is a wireless technology using which two devices can exchange data over a short distance. It is a packet-based protocol. A Bluetooth device first divides the data into packets and then the packets are transmitted over a Bluetooth channel. Bluetooth also...
When we pair two Bluetooth devices, the devices must authenticate each other to verify to which device a device is being paired. Bluetooth authentication may or may not be mutual depending on the application. At the time of authentication, one device initiates the...
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