March 2026
Intermediate to advanced
400 pages
15h 45m
English
The security implementations used in BR/EDR have evolved over time, creating three distinct phases: Legacy (v2.0 and earlier), Secure Simple Pairing (v2.1 and later), and Secure Connections (v4.2 and later). Each of these phases represents a significant improvement in security and indicates the most important considerations when evaluating the security of Bluetooth devices.
Pairing, in Bluetooth terminology, is the initial process of inquiring and discovering device capabilities and generating link keys to be used for authentication between devices. Once a device has paired with another, the act of storing the link keys creates a bond. Bonding allows future connections to be established ...
Read now
Unlock full access