On Sunday, April 26, 2020 at 6:53:03 PM UTC+2, skybu...@hotmail.com wrote:   
   > On Saturday, April 25, 2020 at 6:41:36 PM UTC+2, Jorgen Grahn wrote:   
   > > On Sat, 2020-04-25, skybuck2000@hotmail.com wrote:   
   > > > Corona Update 4 (25 april(4) 2020):   
   > > ...   
   > >   
   > > > 8. The corona app idea to inform people of infections around them is   
   > > > no success so far, to much security/privacy concerns. I already   
   > > > thought about such apps long time ago and discussed it with my   
   > > > mother. She found it a bad idea, and me too actually because once   
   > > > you go this route you can start creating all kinds of   
   > > > "snitching"-apps and then our privacy goes out of the window.   
   > >   
   > > The Pirate party showed[0] a solution which would respect privacy.   
   > > You have a phone app which roughly:   
   > >   
   > > 1. Sends out a series of random numbers over a short-range   
   > >    communication medium.  (I don't own a smartphone so I don't know if   
   > >    this already exists.)   
   > >   
   > > 2. Receives and stores others' random numbers.   
   > >   
   > > 3. Receives messages like "the guy who sent  random numbers has   
   > >    been diagnosed with a transmittable disease" and notifies the user   
   > >    if the app has seen a lot of them.   
   > >   
   > > No central database, and nothing meaningful to sniff for in public   
   > > places (not until you get ill anyway).   
   >   
   > Seems the idea here is to avoid "identification numbers".   
   >   
   > Seems like a single person has multiple random identification numbers.   
   >   
   > There random indentification numbers would need to be very big others there   
   is too much potential for conflicting and confusing random numbers.   
   >   
   > Also the messages in which these are "broadcast" I presume would have to be   
   "anonymous". So no source ip and such.   
   >   
   > There is one problem with it though.   
   >   
   > Let's suppose random numbers X,Y,Z are from an infected person.   
   >   
   > How does infected person re-broadcast these numbers to inform that this   
   person is infected.   
   >   
   > There needs to be some information stored about source/dest/contacts to be   
   able to do that.   
   >   
   > One other solution could be to re-broadcast these numbers after infection   
   but this would need the infected person to be close again to the original   
   receiver.   
   >   
   > Which seems weird or might not happen ever again.   
   >   
   > One other solution is to start spreading these random infected numbers via a   
   network/routing.   
   >   
   > If this is does anoymous and via broadcasting and no IP then that might   
   work...   
   >   
   > However if there is no source ip can it truely be routed effeciently ?   
   >   
   > Maybe set all destinations on routers and such... it's a bit weird idea.   
   >   
   > Broadcasting would be a useless technology to inform others.   
      
   I think I made a typo here and might to write "usefull" not sure ;) :)   
      
   But I think so.   
      
   >   
   > Even multicast might be of some use.   
   >   
   > Some people might try to indentify these numbers though.   
      
   Bye for now,   
     Skybuck.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)