Thread (1 message) 1 message, 1 author, 2004-03-10

Re: [Bluez-devel] bd_addr question

From: Marcel Holtmann <marcel@holtmann.org>
Date: 2004-03-10 00:23:47

Hi Jessica,
Sorry, I worded it poorly.  I'm a graduate student researching privacy 
issues related to Bluetooth, which I'm pretty new to.  I'm trying to work a 
way around the fact that each device address is unique therefore 
trackable.  I was wondering if I were to buy a Bluetooth transmitter and 
build my own device, can I change the bd_addr that is stored by the chip's 
manufacturer?  Which layer/module is in charge of reading that unique 
bd_addr?  I hope that makes more sense!
the Bluetooth SIG is working on something that is called Anonymity Mode
and this should be present in Bluetooth 1.2, but it got removed from the
final specification. So actually devices are trackable. And there is no
default way of changing the BD_ADDR, but some manufacturers provides
vendor specific HCI commands to change the Bluetooth address.

Regards

Marcel




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