[Sugar-devel] Device's Universally Unique Identifier

[Puneet Kaur]

Thanks Samuel , we'll be careful regarding that.


On Thu, Jul 24, 2014 at 8:31 PM, Samuel Greenfeld <samuel at greenfeld.org>
wrote:

> Just be careful with what you do with unique identifiers.  Having a unique
> identifier for a device is often considered the same as uniquely
> identifying a child.
>
> Many countries have laws about what can be collected from younger children
> without permission from their parent or school.  This permission has to be
> given in a manner that children cannot intentionally or accidentally do
> themselves.
>
> This is why many websites including Google (in most cases) and Facebook do
> not allow children under 13 to have accounts, and do not let parents create
> accounts for them.
>
> So while using a unique identifier may be safe within a local system,
> centrally collecting information about Sugar users by default may not be.
>
> ---
> SJG
> On Jul 24, 2014 9:59 AM, "Puneet Kaur" <puneet.gkaur at gmail.com> wrote:
>
>> also targeting the xo's right now, so the serial number should suffice :-)
>>
>>
>> On Thu, Jul 24, 2014 at 7:28 PM, Puneet Kaur <puneet.gkaur at gmail.com>
>> wrote:
>>
>>> Thanks Gonzalo,
>>>
>>> will use serial number as pointed by you.
>>>
>>>
>>> and with reference to the points raised by James, we'll assume that we
>>> are running a single instance of sugar on a xo. ( we can surely make it
>>> better once the basic flow is there :-) )
>>>
>>>
>>>
>>> On Thu, Jul 24, 2014 at 5:37 PM, Gonzalo Odiard <godiard at sugarlabs.org>
>>> wrote:
>>>
>>>> If Sugar is used in a XO, there are a unique id and you can get it as
>>>> here:
>>>>
>>>>
>>>> https://github.com/sugarlabs/sugar/blob/master/extensions/cpsection/aboutcomputer/model.py#L52
>>>>
>>>> Maybe in the case of non xos, you can use the mac address of the active
>>>> network interface?
>>>>
>>>> Gonzalo
>>>>
>>>>
>>>> On Thu, Jul 24, 2014 at 4:56 AM, James Cameron <quozl at laptop.org>
>>>> wrote:
>>>>
>>>>> On Thu, Jul 24, 2014 at 01:15:28PM +0530, Puneet Kaur wrote:
>>>>> > Can someone please tell that which number out of serial_number,
>>>>> > build_number and firmware_number would correspond to the Device's
>>>>> > Universally Unique Identifier ?
>>>>> >
>>>>> > I need a number which is unique to each device, need it to implement
>>>>> > the cordova device plugin for sugar - subpart of the sugar cordova
>>>>> > project these 3 numbers (serial_number, build_number and
>>>>> > firmware_number) can be retrieved from
>>>>> > sugar/extensions/cpsection/aboutcomputer/mode.py , but which out of
>>>>> > these correspond to the unique number of each device ?
>>>>>
>>>>> None of them do, because Sugar can be used on hardware which does not
>>>>> provide a serial number, and more than one instance of Sugar can be
>>>>> used on devices that do provide a serial number.  You must find
>>>>> another way to ensure uniqueness, such as registration to a central
>>>>> authority database.
>>>>>
>>>>> The aboutcomputer control panel section contains legacy code specific
>>>>> to the OLPC XO laptop.  You should not design on that basis alone.
>>>>>
>>>>> --
>>>>> James Cameron
>>>>> http://quozl.linux.org.au/
>>>>> _______________________________________________
>>>>> Sugar-devel mailing list
>>>>> Sugar-devel at lists.sugarlabs.org
>>>>> http://lists.sugarlabs.org/listinfo/sugar-devel
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Gonzalo Odiard
>>>>
>>>> SugarLabs - Software for children learning
>>>>
>>>
>>>
>>
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>>
>>
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