Gpg is well established and eminently applicable here. Both the camera hardware as well as the photo journalist could sign the image data payload, and embed the signature in metadata, especially if the camera hardware accepted new keys. Trust chains could be established both via their publisher and the camera manufacturer.
But let's be real: no one will bother to validate anything.
Gpg is well established and eminently applicable here. Both the camera hardware as well as the photo journalist could sign the image data payload, and embed the signature in metadata, especially if the camera hardware accepted new keys. Trust chains could be established both via their publisher and the camera manufacturer.
But let's be real: no one will bother to validate anything.
* I'm being diplomatic