On Tue, Nov 7, 2023 at 3:12 PM Jason Resch wrote:
*> GPS works entirely passively on the receiver side. There would be no
> external validation of the GPS coordinates.*
>
I know, but I don't think it would be very difficult to add that
functionality. Or you could have the cell phone providers
On Tue, Nov 7, 2023, 3:04 PM John Clark wrote:
>
>
> On Tue, Nov 7, 2023 at 1:59 PM Jason Resch wrote:
>
>
> *> How does Apple (or whoever is signing the image and its metadata) know
>> it was taken by an iphone at a particular location?*
>>
>
> Regardless of how the picture was produced, the
On Tue, Nov 7, 2023 at 1:59 PM Jason Resch wrote:
*> How does Apple (or whoever is signing the image and its metadata) know
> it was taken by an iphone at a particular location?*
>
Regardless of how the picture was produced, the GPS timestamp created by
the GPS people can verify exactly when
On Tue, Nov 7, 2023, 1:28 PM John Clark wrote:
> On Tue, Nov 7, 2023 at 1:06 PM Jason Resch wrote:
>
> >> I don't care if Joe Blow signs it or not with his private key that's
>>> on his iPhone because I have no reason to trust Mr. Blow. I want the Apple
>>> Corporation and the people who run
On Tue, Nov 7, 2023 at 1:06 PM Jason Resch wrote:
>> I don't care if Joe Blow signs it or not with his private key that's on
>> his iPhone because I have no reason to trust Mr. Blow. I want the Apple
>> Corporation and the people who run the GPS satellites to sign a hash
>> function of the
On Tue, Nov 7, 2023, 12:31 PM John Clark wrote:
> On Tue, Nov 7, 2023 at 11:54 AM Jason Resch wrote:
>
> >> I agree, but I think most people, myself included, would trust that
>>> the entire GPS satellite system is unlikely to be part of some grand
>>> conspiracy of deception, nor is it likely
On Tue, Nov 7, 2023 at 11:54 AM Jason Resch wrote:
>> I agree, but I think most people, myself included, would trust that the
>> entire GPS satellite system is unlikely to be part of some grand conspiracy
>> of deception, nor is it likely that the Apple Corporation is stupid enough
>> to do so
On Tue, Nov 7, 2023 at 10:44 AM John Clark wrote:
> On Tue, Nov 7, 2023 at 11:11 AM Jason Resch wrote:
>
> *> I think such protocols are only useful for verifying whether the image
>> came from an already known and trusted source. I don't see that it could
>> verify whether some content is
On Tue, Nov 7, 2023 at 11:11 AM Jason Resch wrote:
*> I think such protocols are only useful for verifying whether the image
> came from an already known and trusted source. I don't see that it could
> verify whether some content is genuine or not if you didn't already
> know/trust the entity it
I think such protocols are only useful for verifying whether the image came
from an already known and trusted source. I don't see that it could verify
whether some content is genuine or not if you didn't already know/trust the
entity it is purported to come from (and trust that they would not
Now that AI art is so good it's becoming impossible to determine if a
photograph is real or fake, but a new open-source internet protocol
called "C2PA"
may offer a solution. If camera and smartphone makers agree to do so their
products would all have a feature (which I hope you would be allowed to
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