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...
What is Challenge-Response Spam Filtering? A challenge-response spam filtering system is a type of spam filter that is used to prevent spam email messages. When a sender sends an email message, a challenge is sent to the sender. A legitimate user can solve the...
What is an IDS? An Intrusion Detection System or IDS is a device or software application that monitors a network or a host and detects possible intrusions. It can detect malicious activities or policy violations based on various detection methods. There are two types...
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