[vox-tech] Search Warrant Question re: GUID

[Jeff Newmiller]

That is standard operating procedure for Comcast.

"Bob Scofield" <scofield at omsoft.com> wrote:

>I'm trying to understand the notion of a GUID as used in a search
>warrant for 
>child pornography.  In fact a GUID has nothing to do with the case in
>which 
>the defendant is charged with possessing child pornography.  The police
>
>officer who drafted the warrant has a section discussing various high
>tech 
>issues that were not used in the case.  But I'm just trying to learn
>this 
>stuff.
>
>Below is an excerpt from the warrant.  "CPS" refers to a software
>program used 
>by the police in child porn cases.
>
>"CPS will also keep a record of each time an IP address is identified
>as being 
>a download candidate for suspected child pornography on the Gnutella
>network.  
>CPS also keeps record of each time a users GUID (Globally Unique
>Identifier a 
>special type of identifier used in software applications to provide a
>unique 
>reference number) is identified as being a download candidate for
>suspected 
>child pornography on the Gnutella network."
>
>Later in the warrant we have this:
>
>"An investigator, using the CPS software, can also generate a
>historical 
>report showing the dates and times that a specific GUID was logged on
>the 
>Gnutella network, the IP address used and the SHA 1 hash values of any 
>suspected child porn images or videos shared by that computer."
>
>I've been Googling "GUID," and I see that there are various uses of
>GUIDs.  
>But it's not crystal clear to me how it works in child porn
>investigations.  
>Does it mean that a person's Limewire program has a unique GUID, that
>is 
>different from another copy of the Limewire program?  Or is it that the
>
>person's version of Windows has a unique GUID that is different from
>mine?
>
>Do Linux and open source programs have GUIDs, or is this just a
>Microsoft 
>thing?
>
>Thank you.
>
>Bob
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