On 10/26/2010 05:38 AM, Ville Tervo wrote:
Hi,
On Sat, Oct 23, 2010 at 01:56:54AM +0200, ext Anderson Briglia wrote:
This RFC is about Security Manager Protocol (SMP).
Basically this patchset implements the initial negotiation over L2CAP and LE
connections between a Master and a Slave. TK and STK keys are not being generated
and/or exchanged yet, do not expect real encryption/decryption by now.
Actually, our next tasks are related to integrate current implementation and
Criptographic Toolbox ah, c1 and s1 functions for TK and STK key generation for
Just Works SMP pairing method.
I think some kind of mechanism to start encryption on already existing
connection is needed. It depends on attribute if security is needed or not. One
might read unsecure attributes and then needs to start encryption because it
wants to read encrypted attribute.
Is that already planned somehow?
Not yet. After we get the SMP keys generation and exchange working we
could start working on it.
To test this RFC you need to have the Ville Tervo[1] kernel tree with LE connection
patches. Of course you need LE devices and bluez git tree (master branch). Just run
the bluetoothd and try to list the primary services using gatttool over an LE channel.
eg.: gatttool --primary --le -i hci0 -b 00:17:E7:DD:08:FF
I guess I should take patches which are fixing plain LE (2/6) and (5/6)
connection to my tree alread. How it sounds to you?
I think this is ok. Just update your kernel tree and we could make a
rebase here and separate the "pure" SMP patches on top of your patches.
Comments are welcome.
[1] git://git.kernel.org/pub/scm/linux/kernel/git/vtervo/bluetooth-le-2.6.git
[PATCH 1/6] Bluetooth: Add SMP command structures
[PATCH 2/6] Bluetooth: fix receiving L2CAP packets over LE
[PATCH 3/6] Bluetooth: Implement the first SMP commands
[PATCH 4/6] Bluetooth: Start SMP procedure
[PATCH 5/6] Bluetooth: Fix initiated LE connections
[PATCH 6/6] Bluetooth: simple SMP pairing negotiation
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