Re: Encrypted chat over WebID

On 7/23/12 4:29 AM, Andrei Sambra wrote:
> Hi Melvin,
>
> On 07/22/2012 09:28 PM, Melvin Carvalho wrote:
>> I've been thinking for some time about WebID based chat.  Also
>> interesting is the crypto cat spec:
>>
>> https://project.crypto.cat/documents/spec/spec-rev1.4a.pdf
>>
>> It seems there's some concern about exposing your private key, in case
>> of zero day exploits etc.
>>
>> However it's typical to use PKI to generate a "shared secret" that can
>> be used, say, to encrypt chat.
>>
>> Initially it could be possible to communicate a shared secret out of
>> band (eg i could sent you a mail etc.)
>>
>> However, I was wondering if there could be a smart way to implement this
>> using WebID.  Can anyone think of a possible algorithm for this?
>
> I don't see why we can't use pingback for it. From a Linked Data 
> p.o.v., one can even consider a chat (between two or more people) as a 
> named graph containing all messages specific to the conversation.
>
> Each participant can save their local copy of the discussion according 
> to a context specific to them (e.g. "WebID access delegation").
>
> I really believe that we can do much more with pingback, if we take 
> the time to improve it a bit.
>
> Andrei
>
>

Yes!

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