The article anonymized a face using the compromised swirl method
Yeah but it looks like the face was also blurred before the swirl
Random Mosaic – Detecting unauthorized physical access with colored rice (2021)
11–16 of 16 posts
Re: Random Mosaic – Detecting unauthorized physical access with colored rice (2021)
#12> If of one or more elements within the mosaic are modified, unauthorized access or compromise can be assumed. ... But how is the recipient certain of what the mosaic should be? You can't put the reference photo in the same package, because it's taken after sealing. And if you send it separately, that package is also subject to tampering.
um, you like text it or email it?
Re: Random Mosaic – Detecting unauthorized physical access with colored rice (2021)
#13> If of one or more elements within the mosaic are modified, unauthorized access or compromise can be assumed. ... But how is the recipient certain of what the mosaic should be? You can't put the reference photo in the same package, because it's taken after sealing. And if you send it separately, that package is also subject to tampering.
> ...an original photo, which has been taken for example, by a manufacturer, signed and transmitted to a customer via an encrypted communication channel, with a photo of the current state.
Re: Random Mosaic – Detecting unauthorized physical access with colored rice (2021)
#14> If of one or more elements within the mosaic are modified, unauthorized access or compromise can be assumed. ... But how is the recipient certain of what the mosaic should be? You can't put the reference photo in the same package, because it's taken after sealing. And if you send it separately, that package is also subject to tampering.
> ...an original photo, which has been taken for example, by a manufacturer, signed and transmitted to a customer via an encrypted communication channel, with a photo of the current state.
Thanks, glossed over that, and also should have thought of it.
Re: Random Mosaic – Detecting unauthorized physical access with colored rice (2021)
#15"The rice is a little more fine-grained"
nice writeup!
Re: Random Mosaic – Detecting unauthorized physical access with colored rice (2021)
#16It's a cool idea but it kind of bothers me that with all this effort, you still only get a boolean worth of information (it was either accessed or not). No clue about who, when, where or why.