What encryption method does Zigbee employ?

Zigbee employs AES-128 (Advanced Encryption Standard with a 128-bit key) for encryption, which is a well-regarded encryption method known for its security and efficiency in constrained environments. The choice of AES-128 is particularly effective for wireless communication, where resources such as power and bandwidth may be limited. AES-128 provides a sufficient level of security for many applications, allowing Zigbee to secure the communication channels among devices in various network settings, including home automation and industrial control systems.

This choice not only enhances the confidentiality of the data being transmitted but also ensures compatibility with existing security infrastructure, as AES is widely used and accepted in both commercial and industrial applications. The implementation of AES-128 helps to protect against potential eavesdropping and unauthorized access, thus reinforcing the overall security of Zigbee-enabled networks.