Introduction and Scope This document describes profile of security mechanisms such that the mechanism can utilize keys that have been generated using the Generic Bootstrapping Architecture (GBA) [3]. GBA is a method of providing keys in a generic manner based on the cdma2000?1 authentication methods. Similar work has been carried out by 3GPP@ see [8] and [9] as part of their General Authentication Architecture work [6] 1 cdma2000? is the trademark for the technical nomenclature for certain specifications and standards of the Organizational Partners (OPs) of 3GPP2. Geographically (and as of the date of publication)@ cdma2000? is a registered trademark of the Telecommunications Industry Association (TIA-USA) in the United States.