Hi Marcel, On Fri, Jun 20, 2014 at 11:52 PM, Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote: > --- > doc/mgmt-api.txt | 21 +++++++++++++++++++-- > 1 file changed, 19 insertions(+), 2 deletions(-) > > diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt > index e15a78f3e4b7..dfcf719dc757 100644 > --- a/doc/mgmt-api.txt > +++ b/doc/mgmt-api.txt > @@ -1646,8 +1646,25 @@ Set Privacy Command > This command is used to enable Low Energy Privacy feature using > resolvable private addresses. > > - The value 0x00 disables privacy mode, the value 0x01 enables > - privacy mode. > + The value 0x00 disables privacy mode, the values 0x01 and 0x02 > + enable privacy mode. > + > + With value 0x01 the kernel will always use the privacy mode. This > + means resolvable private address is used when the controller is > + discoverable and also when pairing is initiated. > + > + With value 0x02 the kernel will use privacy mode with resolvable > + private address. In case the conroller is pairable and discoverable > + the identity address is used. Also when pairing is initiated, the > + connection will be established with the identity address. > + So once device is not discoverable, RPA will be used in advertising, right? > + Exposing the identity address when pairable and discoverable or > + during initated pairing can be a privacy issue. For dual-mode > + controllers this can be neglected since its public address will > + be exposed over BR/EDR anyway. Since privacy mode 0x02 for LE controllers seems to have a little or even no sense, maybe it should be not allowed ? The benefit of exposing the > + identity address for pairing purposes is that it makes matching > + up devices with dual-mode topology during device discovery now > + possible. > > When the controller has a public address (mandatory for dual-mode > controllers) it is used as identity address. In case the controller > -- > 1.9.3 > BR Lukasz > -- > 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 -- 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
