Re: unlinkability

On 6 October 2012 12:45, Nathan <nathan@webr3.org> wrote:

> Henry Story wrote:
>
>> On 6 Oct 2012, at 11:39, Melvin Carvalho <melvincarvalho@gmail.com>
>> wrote:
>>
>>
>>> On 6 October 2012 11:25, Henry Story <henry.story@bblfish.net> wrote:
>>>
>>>> (1) I think solves the unlinkability problem
>>>>>
>>>> Can you explain what the unlinkeability problem is? Or for who it is a
>>>> problem?
>>>>
>>>> 4.  Unlinkability
>>>>
>>>>    Definition:  Unlinkability of two or more Items Of Interest (e.g.,
>>>>       subjects, messages, actions, ...) from an attacker's perspective
>>>>       means that within a particular set of information, the attacker
>>>>       cannot distinguish whether these IOIs are related or not (with a
>>>>       high enough degree of probability to be useful).
>>>>
>>>> This is something Harry brought up.
>>>>
>>> Can you explain why it is problematic. It is not because he brought it up
>>> that it is problematic right? Or is he someone who sets the standards
>>> of what is or is not problematic? Through what authority?
>>>
>>> Harry stressed that this was a key consideration to him.  As an
>>> influential member of the social web (he was chair of the W3C Social Web
>>> XG), I would consider his opinions important.  His complain was that he
>>> raised this before, and that the webid group did not look at it.
>>>
>>
>> But you have not summarised in your own words what his complaint is. So
>> how do you know we did not answer it?
>>
>
> The quote in context may help:
> http://tools.ietf.org/html/**draft-hansen-privacy-**
> terminology-03#section-4<http://tools.ietf.org/html/draft-hansen-privacy-terminology-03#section-4>
>

Note this draft:

Expires: May 1, 2012

The later draft is:

http://tools.ietf.org/html/draft-iab-privacy-terminology-01

Expires: September 13, 2012