Pairing-Authentication

Bluez-users [email protected] 2 participants 2 messages Dec 7, 2006 – Dec 8, 2006 Bluetooth drivers

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2006-12-07 16:10 UTC #0 lore raw

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Marcel Holtmann

maintainer

2006-12-08 10:22 UTC #1 lore raw

Hi,

Quoted 11 lines

to understand the authentication procedure, I make a test between 2 entities designed by "A" and "B".
1. A connection is realized without authentication between these two entities, (they never paired before)
2. Then entity "A" launches an authentication request,
3. As they never paired no link key is available for the link "A"-"B", the pairing procedure works well (same pin code at each side)

Quoted 8 lines

4. I disconnect the link "A"-"B", I reconnect "A" and "B" without authentication,
5. "A" executes an authentication request,
At this time, the authentication procedure doesn't need a pairing as a link key is available.
My first question is what can I do to force the pairing before an authentication request ?

you can always do security mode 3, but that is not recommended and has problems of its own. Check the mailing list for further details. It has been discussed multiple times.

You can call HCI_Authentication_Requested any time. Even directly after the connection has been established, but I don't see any real need for it. Explain your use case.

Quoted 1 line

In other word, where can I delete the link key for the link "A"-"B" in bluez ?

Use the D-Bus interface and call the RemoveBonding method.

Quoted 1 line

My second question, is how to configure security in a pan network ?

Start with reading the pand manual page (man pand).

Quoted 1 line

Can I set security at the L2CAP level with specific option during the setsockopt ?

Yes. Check the l2test.c source code for an example.

Regards

Marcel