15 Encryption and Security

Cable based communication is inherently secure. However, since anyone could potentially listen into a wireless transmission, security is a key issue for wireless communications systems.

Security is dealt with at many levels in the Bluetooth specification:

  • The baseband specification details the SAFER+ algorithms used for security procedures.
  • The Link Manager specification covers link level procedures for configuring security.
  • The HCI specification details how a host controls security and how security-related events are reported by a Bluetooth module to its host.
  • The Generic Access Profile covers security modes and user-level procedures for use in all products implementing Bluetooth profiles.
  • There is also a Bluetooth ...

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