[Bluez-devel] Is it posible to generate passkey on some external device, and then update the BT-device (without MMi) automatically?

[Bluez-devel] Is it posible to generate passkey on some external device, and then update the BT-device (without MMi) automatically?

[Isabel Maldonado]

Hi,

Useally a BT device without MMI uses a fixed passkey. If this device is
a public device, so that a group of people can connect to it, each
person should have a unique passkey with the public device.

I wonder if it is possible with BlueZ to let some other external
controll/system generate a unique passkey for each person that wishes to
connect to this public device in the future.

The external controll/system updates the public device and sends the new
passkey through a secure channel.

Is there some function in BLueZ for this? Is this be possible?

-- Tripas


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Re: [Bluez-devel] Is it posible to generate passkey on some external device, and then update the BT-device (without MMi) automatically?

[Marcel Holtmann]

Hi Isabel,

> Useally a BT device without MMI uses a fixed passkey. If this device  
> is
> a public device, so that a group of people can connect to it, each
> person should have a unique passkey with the public device.
>
> I wonder if it is possible with BlueZ to let some other external
> controll/system generate a unique passkey for each person that  
> wishes to
> connect to this public device in the future.
>
> The external controll/system updates the public device and sends the  
> new
> passkey through a secure channel.
>
> Is there some function in BLueZ for this? Is this be possible?

not really, but you can create a passkey agent that hands out  
different pin codes based on the remote device address.

Regards

Marcel


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Re: [Bluez-devel] Is it posible to generate passkey on some external device, and then update the BT-device (without MMi) automatically?

[Isabel]

Marcel Holtmann skrev:
> Hi Isabel,
> =

>> Useally a BT device without MMI uses a fixed passkey. If this device  =

>> is
>> a public device, so that a group of people can connect to it, each
>> person should have a unique passkey with the public device.
>>
>> I wonder if it is possible with BlueZ to let some other external
>> controll/system generate a unique passkey for each person that  =

>> wishes to
>> connect to this public device in the future.
>>
>> The external controll/system updates the public device and sends the  =

>> new
>> passkey through a secure channel.
>>
>> Is there some function in BLueZ for this? Is this be possible?
> =

> not really, but you can create a passkey agent that hands out  =

> different pin codes based on the remote device address.
> =

> Regards
> =

> Marcel
> =

> =

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I was thinking of setting up a couple of public BT-devices far away from
each other. And hoping that a person could have the same passkey with
all the public BT-devices. witch has no input og output capabilities)

This passkey agent that you talk about, was to be placed in the public
device i suppose. Since a person has to use the same passkey with all
the public BT-devices, I need some sentralized passkey agent.

I=B4ll have to think of some other idea of doing this...


-- Tripas










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