[Opensim-dev] Global identifiers

[Karen Palen]

No I am talking about a deeper level - that of the "content creator" field
in the "properties".

The problem is that there is no way for the database to do any more than
record information, there is no "magic pixie dust" to detect which of two
duplicate items is the "genuine original" from any database!

You are quite correct that a "casual copier" would simply modify the object
slightly and that would leave all kinds of traces behind. This is no
different than the problem faced with "counterfeit" web images today.

You merely describe one of a host of schemes for using such "spoofing"
techniques in an evil way.

The underlying problem is no different.

The very worst scenario is what is seen in Second Life today with
"infallible" schemes like Emerald/CDS where thousands of users are labled as
crooks because of some very flawed "detection schemes". Philip Linden's
comments on this situation pretty much sum it up.

Meanwhile the griefers and pirates continue with very little inconvenience.

I suggest looking at some of the "pirate" websites like Kingoon to get a
picture of the reality.

I hasten to add that this is NOT a problem which is intended to be addressed
by HG 1.5!

Karen

On Thu, Sep 2, 2010 at 4:38 PM, Robert G. Jakabosky
<bobby at sharedrealm.com>wrote:

> On Thursday 02, Karen Palen wrote:
> > More to the point there is simply no way to determine which of two
> versions
> > of the object (or whatever) are the genuine "original".
> >
> > This is an exact analog of web site images today there are all kinds of
> > schemes which will detect the casual or inadvertent copying, but nothing
> > which cannot be defeated. thepiratebay.org provides endless examples of
> > this!
> >
> > Karen
>
> You are talking about copy detection (where the original creator's name has
> been remove/changed) which is as you say is hard to do since it is too easy
> to defeat.
>
> I was talking about detecting modifications done by someone other then the
> original creator.  Signing the prim would only stop someone from
> making/changing a prim/notecard and setting the creator to someone else.
> With public/private keys only the true creator can sign new/changed prims.
>
> There was a case in SL where someone used a full-perm notecard created by a
> well known content creator and replaced the contents, then distributed that
> new notecard to a lots of people to make it look like the original creator
> was saying the things in the notecard.  People can use this to grief
> another
> user.
>
> --
> Robert G. Jakabosky
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>
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