Hi Neil, On Thu, Oct 13, 2011 at 8:55 AM, NeilBrown <neilb@xxxxxxx> wrote: > > Hi, > I've been trying enhance my understanding of bluetooth and as part of that > I have been experimenting with simple-agent to create pairing between two > Linux hosts (a phone and a laptop as it happens). > > My understanding of Secure Simple Pairing is that there are a number of > authentication mechanism and that the "best" would be chosen based on the > that capabilities given to the agent. > > So if both devices tell the monitor "DisplayYesNo", it would not be able to > do Passkey entry and would choose Numeric comparison. > So both agents would get RequestConfirmation call backs. > > But I cannot make that happen. > > No matter what capability I give to simple-agent, one of them asks me for a > pass key, then the other one does, and they have to match. i.e. they both > get RequestPinCode. > So they seem to be assuming at least one device has a keyboard (the first > could generate a number in the agent and display it I guess). > > Is there something else I have to change to force it to use Numeric > comparison (or even 'just works') authentication? Is this documented > somewhere? > > I'm using 4.88 on one system and 4.96 on the other. For SSP you need both controllers to be >= 2.1, if you are seeing pincode requests then probably one or both controller are using legacy pairing. -- Luiz Augusto von Dentz -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
