The AI aspect of this is a red herring. The real problem is that they're secretly adding in a unique identifier into every image you create. If somebody does not like your meme, they can just send a copyright subpoena to Microsoft to instantly get your full name, address, email, phone number, and any other data associated with your Microsoft account. Just like age verification, this is another weapon in the war against internet anonymity.
Printing anything is also a risk: It's very likely your printer is secretly adding marks to the page that contain its serial number and the current timestamp. [0]
Why is that a risk? Well, Microsoft's "telemetry" is harvesting those serial numbers of all internal and external devices you've ever had connected or reachable. Then they link them to your MS account, IP addresses, and the extended social-graph of all computers that were ever in the same room or shared the same bluetooth speaker.
In short, your "anonymous" flyer critiquing The Regime and depicting Dear Leader as a clown may end up lead thugs straight to your door--or the door of whomever you're staying with--all courtesy of Microsoft and the printer-companies.
Exactly. Forget the AI aspect, this is entirely to identify users for any purposes they deem necessary. People are ignoring the surveillance state aspect of this. Reminds me of the device id debacle they have attached to their outbounds Windows network calls
It does kind of say: The GUID is coming from the moderation endpoint, which is hit when you generate a local or cloud AI image based on your prompt. If there is no prompt, there is no endpoint, and likely no GUID.
Obviously Paint could have been watermarking prior to AI though, but this specific AI watermarking appears to be only that.
Since the watermarker runs locally, you could also do the reverse: generate some porn with a different open model, then run that code to tag it as "Content watermarked by Microsoft Responsible AI"
As the article explained, the EU does not mandate a prompt-specific GUID, only the ability to identify the content as AI-generated. The highly privacy-invasive level of provenance tracking which Microsoft has added goes beyond the EU’s new mandates.
I am a human and I upvoted the comment immediately. Do not underestimate the wide ranging hate for age verification. Even my normie friends are against it. Meta/etc have been buying those laws but at the cost of more and more people waking up to privacy activism. I predict in a couple years it'll backlash as people first fight against AV, and then fight for more broad privacy reform in the US. At least for myself, I had never been actively calling my reps until the AV laws.
No - there is a huge difference between "this AI created this image" and "this user did it" - the first we need more of, and the second is a big privacy concern. The article does not say anything about identifying a user.
A guid isn’t a user id, if it is in this case, it’s an abuse of how guid is used, at least colloquially. I haven’t read enough to understand if it is user / machine id, I.e. only globally unique in the sense it’s a globally unique entity identifier.
Do not tell Microsoft where you sleep. IANAL but they are not a government or financial institution and do not have a right to that information.
Make sure you register mailing addresses with your credit card institutions in addition to your residential addresses, and make your mailing address your billing address so that you aren't forced to tell a thousand businesses like Microsoft where you sleep.
Windows 11 effectively forces users to register with a Microsoft account. Once that's established, all it takes is for an unaware user to fill out an e-commerce form and save an address for auto-fill.
> Windows 11 effectively forces users to register with a Microsoft account.
While it's definitely a dark pattern that I 100% do not agree with, Pro editions still allow you to do a local account. No need for the oobe /bypass command, still can be done through the OOBE GUI setup by selecting a Work/School account option then selecting Sign in options to then specify a local account to create.
My comment was in regard to the average PC user. The kinds of folks who would never install an operating system and would likely agree to use Edge while signed in to their Microsoft account.
Microsoft has also been pushing hard for Recall and recording all local activity forever. Not impossible to imagine that anything looking like a home address “somehow” gets ingested in the telemetry.
Any of a number of virtual mailbox services which can receive mail for you, e.g. anytimemailbox.com but there are several. You can either pick up in person, or they offer services like mail forwarding, opening and scanning, etc.
Besides privacy against leaking your sleeping-address to businesses, they're also convenient for avoiding package theft if that's a problem in your area, and receiving/forwarding mail if you travel a lot for extended periods of time.
I'd recommend against PO boxes because (1) they get rejected by some services (2) UPS and FedEx won't deliver to them.
Because these businesses have to register as CMRAs and you have to sign a notarized form for them to legally receive mail for you, some services will still detect it and not let you use the address, but my experience for the most part has been that most US financial institutions let you enter a "residential/legal address" (no CMRAs allowed) and a "mailing address" (CMRAs allowed) separately, and the mailing address usually becomes your billing address.
Or.....Install Linux and bypass all this stupidity.
They will move faster to track each and every one of you, all the while shoving ads and garbage down each of your respective machines... and you all pay for it?!
You still want the virtual mailing address for other reasons honestly. Even if your os isn't tracking you or leaking things giving your real address to any business could lead to it being leaked because no one cares about security, etc. If that's in your threat model you should be using a good proxy mailer
Perhaps so. But the problem at hand here is that MS Windows has so lost the plot of being an OS for users, to ABUSING users.
All these fixes and repairs ignore the fact that abusing people pays. Surveillance capitalism pays, and provides a revenue stream for Microsoft to further exploit.
> This is broadly impractical for the average citizen.
No it's not. Sign up for a virtual mailbox for $15-$25/month.
> A scalable solution would be to make this sort of thing illegal.
I'm posting this in the genuine interest of people being able to maintain anonymity from data leaks, privacy leaks, and in general not needing to tell businesses more personal information than is necessary to render services. This is in a country that has no protection of personal safety whatsoever, and any business data leak could mean life or death to average citizens who are being threatened by criminals, stalkers, and more.
It seems every time I post something of this flavor the same handful of you come out of the woods and want to make privacy illegal, and I'm not sure who you are trying to support.
> No it's not. Sign up for a virtual mailbox for $15-$25/month.
Did you notice that it's an affordability crisis out there? An absolutely enormous number of people are skipping bills, taking on credit, and using predatory lenders to make end meets, and your recommendation is to add another fee on top of things.
It's not practical or useful guidance for the vast majority of people. I strongly agree with supporting privacy, but this sort of behaviour (adding trackers, etc) to normal functions without a full disclosure and opt-out mechanism must be made illegal, otherwise we are just creating markets for "privacy preserving" technologies that are increasingly less likely to actually be effective for that purpose but sure do put on a good theatre of seeming that way.
At least in the US it's not even a good method either. Own a house? Boom, your information is publically available and you won't be able to remove it without a court order, which in most states is impossible to get. In most states, you don't even need to own a house, decide to vote? You information again is publically available. Tie your real name to a single account to purchase something, and you are trackable. Want privacy? You'd need to remove yourself from the internet, dump your phone, destroy your ID and work underground for cash. We can push against iot, and people have been forever, but at the end of the day the government will always they have a vested interest in being able to identify it's citizens.
Ahhh okay if that's what they meant, then yes, I 100% agree and apologize in advance.
I fully agree that businesses should not be asking for addresses. Non-financial businesses don't need to KYC in the first place, and financial institutions can KYC without needing to know where you sleep.
I got triggered because people seem to always want to come out of the woods and say "addresses should be public record" or things of that sort and I vehemently disagree in the interest of privacy, in a country where a stalker can just look you up, terrorize you, and the police will do nothing about it.
They (the ones wanting to make privacy illegal) are just the ones that want to develop the tools and consume the data for it because it'll be good for their resume or some bullshit, or they're just intrinsically broken humans.
> IANAL but they are not a government or financial institution and do not have a right to that information.
As soon as you purchase something from Microsoft - e.g. your Office 365 subscription - they have at the very least your billing address on file for the credit card.
This a variant of the provenance scheme: C2PA its implemented by all major Camera maker, and Google it seems, Apple support it with 3rd party apps on iPhone, but they have something called "Apple Reference Image" brewing.
Personally I think there is a good argument for being able to distinguish AI generated image and video...
> I think there is a good argument for being able to distinguish AI generated image and video...
Neat but that's not what's being built here. What's being built is "we can trace back this content to who made it" which is bad. Doesn't matter if today that it's limited to AI generated content. Won't be tomorrow. Your devices should not act against your best interests. No cop in my pocket please.
Why have you linked a bug report for a niche userland application that may be causing disk corruption as evidence against linux reliability? That seems like a pretty uninformed conclusion.
I have the same issue on Windows 11. It's been bugging me to press a button or "check my drive" on every startup for at least half a year, no matter how often I let it run the check...
AI-generated text warning (I submitted - but did not author - the piece), but it seems MS Paint and MS Photos add both a visible (can be turned off) and invisible (cannot be disabled and happens silently in the background with no user notice) watermarks to photos that have been AI-manipulated, even when using a local model to perform the action. It's not clear if this applies to even things like using AI-enhanced background delete/remove, but the invisible watermark is embedded in both the image pixels and the image metadata, both containing a GUID that can be linked to the exact prompt that was used and the originating device/user (on Microsoft's end).
Obvious next step is to explore if you can replace watermarker.dll with a (signed) no-op shim or MITM the API call to at least use your own (nil?) GUID that isn't linked to your device/account.
In case it's not obvious, my bigger concern isn't "this image can be identified to have been generated with/by AI" so much as it is "digital yellow printer dots have been forced upon us, except they can identify and retrieve the exact user/device/time/place/document/etc", completely destroying any and all illusions of privacy left.
I'd like to know more about the GUID part and how easy is it so deanonymize yeah.
But if it's only on ai generation and not on all images it seems easy enough to work around that part? Still better than printers doing it no matter what you're printing.
A few months back, MS incorrectly tried to stamp a Copilot "watermark" (just an auto-added note) to any and all Azure DevOps commits, regardless of whether an LLM was actually involved. They removed it after a lot of github issues were submitted to the source of the issue which was a VS Code Copilot extension.
MS has been very sloppy in their implementations. I would recommend against using Paint or any other LLM enabled app they use as a result. Things may be getting incorrectly stamped.
I had this trigger the other day incorrectly and went and installed Paint.net. I pasted in a screenshot I took and just wanted to resize it. I got a banner saying it was made with AI and would be updated to reflect that.
I guess it shouldn't be surprising if an application called "paint.net" can determined if AI was used when connected to the internet. (I have used Paint.net more than a decade ago).
ah, right, i vaguely recall that now. But why/how would it know AI was used, outside of a local LLM, weird it would say that AI was used (unless it's referring to the software itself).
MS Paint wanted to add the "this is AI" tag on a picture they just resized. OP didn't like that, so they went and downloaded Paint.Net to avoid having to deal with (MS) Paint shenanigans.
I was stating that MS Paint mis categorized a Print Screen screenshot as AI generated when pasted. Which pushed me to install PaintdotNet onto my laptop instead.
I get the privacy concerns, and we are right to expect Microsoft to say that this is what their tool may be doing. However, I fear that one day we will look back and wonder why we didn't do more to sign and preserve human authenticity. Having a stamp saying "AI manipulated" should be a part of digital lineage tooling.
Well if that's any reassurance, you can generate a meme picture using AI, then paste it into Paint to add some funny text. That way you can get the best of both worlds.
This reminds me that in the USSR they had typewriters that added an identifier somehow that could be traced back to that particular typewriter (and who it was sold to)
the GUID is the giveaway that it's not about protecting artists, it's about being able to prove provenance later. nobody embeds a unique id in a local file for the user's benefit.
With every new thing Microsoft goes trying so hard to come out as the good person, but they just cannot help themselves but to inject their evil. It had to be changed with Nadla coming, but their enshitification is just keeps getting worse and worse. What on Earth is this.
Thanks Microsoft, for adding my signature so I won't have to claim authorship when it ends up in a museum in 200 years, and the NSA archives are declassified for art historians filing a FOIA in 2226, who find out, "yep, it was from his PC."
No, I wasn't suggesting that. I was saying that if there was digital art (human made) aesthetically significant that a curator would want to display it in a museum, Microsoft's GUID supplied to a data collection agency would make it possible to retrieve if ever/whenever that data were declassified (assuming it isn't purged)
It's possible a very bad curator with a terrible taste in art might select slop to display, but I was refering to "fine art" or at least finer art that is digital.
Interesting. I really didn't think watermarks would end up going anywhere, but maybe with enough adoption we can have easy ai generated content flagging after all?
I mean, workarounds wouldn't be hard, just annoying, anyway. Like an extra step or two (take a screenshot, change the image format, wipe the metadata; or print, take photo with camera, clean up in something like gimp, same other steps).
It actually might make the new horrible world even worse. Imagine the populace getting used to a AI image detector flagging things as fake using this fairly easily defeated GUID marker system. Most people are just making memes or cat videos and don't even try to remove this so eventually the populace starts to believe these things actually work.
Now some one slightly more sophisticated starts creating deepfakes of a woman and uploading them or fabricating video of an political event without this marker. The subject protests it's fake and AI generated but a loud majority of ignorants feed it into Microsoft AI detector and call you a liar and say it's confirmed real. Most people don't know any better and eat it up because a computer said so.
Until proven otherwise via open-source audits and reproducible binaries, you should assume that all commercial photo editing software is embedding watermarks in any way they can get away with. This includes the professional software that you pay quite expensive licenses for. You should also assume that even if they're not today, they will eventually be coerced into doing so, in the same way that printers embed tracking dots.
This muddle of an article makes it totally unclear to me if this GUID is attached by the AI generation call or every image I edit in MS Paint. I'm going to assume the former unless they release a clarification.
Edit: Actually trivial to test, just save an image of all black and see if it suddenly has other values on save.
Assuming the watermark works like the upcoming AI watermark for text, then it uses the content's entropy to embed the information. An all-black image doesn't have much entropy, so it's unlikely you'd find anything.
I'm honestly surprised they don't upload the entire image to apply the watermark server-side, to the point that I'd like someone else to repeat this investigation and confirm it's not happening.
Shipping the watermark generator on user's machine would make it very easy for someone motivated to find how it works and write a "watermark remover".
If C2PA and similar signature systems ever become a meaningful authenticity signal, they will create huge incentives for someone (potentially a state actor) to hack at least one camera in order to sign images of arbitrary provenance with its private keys. This will in turn inevitably lead to the same game of cat-and-mouse we have seen play out with video DRM schemes, where keys are regularly extracted from exploitable devices and used to decrypt as much content as possible before the device gets blacklisted entirely (harming all legitimate owners in the process).
I've done this btw. I went for the Pixel Camera app since they were the ones bragging the hardest about their "security". Writeup + PoC should be dropping some time tomorrow. Despite 90+ days from initial report, it remains unpatched.
I don't think that that's a good idea, because it implies trust when there actually isn't any.
Being signed with something just means that whoever has that key could've done that. That might be the owner of a specific camera, but it might also be the camera manufacturer, anyone else in the supply chain, or anyone who dumped the key.
Imagine fake evidence signed with the same key as your camera uses being used in court against you. And the court believes it because it has this signature attached and those computers are very secure and all.
Exactly that will happen. Not widespread, of course, but it will.
The hard part is deciding how much post processing is acceptable with these images. Feels like a lot of phone cameras optimize images and curious how much of it is considered “AI”
I was thinking any photo created with a camera should be signed. Why we don't have that in 2026 is beyond me.
But what you're talking about is the generative aspect of these photos likely expanding over time. We're seeing that today with the ultra zoom features on some cameras regenerating objects (and especially text). Without the user doing anything the phone will generatively fill in detail, most worryingly text and people. Then there's the Samsung moon issue - taking a photo of a pixelated printout of the moon caused Samsung phones to generate a new image of the moon.
In the imaginary dream world that Adobe, Google et al live in, the final file does indeed have a signature.
Each piece of software in the chain must use TPM-like technologies (yes, even GIMP) to make sure it's running a "legitimate" build of the software, on "legitimate" hardware, and re-sign the file at each step along the way (using keys provisioned during some flavour of remote attestation flow, or using a RA-authenticated remote-signing oracle).
The final file embeds every preceding manifest, so you can "verify" all the way back to the original.
If this all sounds patently unworkable, that's because it is.
OK, but given that GIMP is a general purpose tool, what use is the signature if all of them verify it, when I can drastically change the image to whatever I want it to be?
The manifests at each step can embed a thumbnail (although this is optional, iiuc!), so looking at the thumbnail history it should be obvious that the edit was significant.
When I was in photography class in college, I created backplates in photoshop for still life portraits of small trinkets I was photographing. The photos were taken on black and white film and developed in the campus dark room. Led to some impressive photos. In our class's critiques, I explained how it was done. A lot of peers went from impressed to meh'd. The point: the black and white film laundered the new-age manipulation, and a digitally signed photo from a modern camera remains vulnerable to the same premise.
Presumably the OP is proposing something like a TPM attached to the image sensor that signs the sensor output or something like that. You can’t sign it because you can’t get the key out. The key could be per-camera and be a published list.
I suppose a dedicated fraudster could still stage an appropriate scene. An appropriately lit matte image might even suffice.
That's assuming they don't just have a backdoor inserted expressly for this purpose. Now only the rich or powerful can produce an "authentic" recording of an event and the same system can be used to hunt down whistleblowers and political enemies by looking up who bought the camera.
Keys could be stored in something like TPM on Camera, and could sign the image. The key could then be verified from the camera itself to prove the authenticity of the image.
If we as a society deemed it necessary, the camera manufacturer could also provide a list of keys for devices they have manufactured. And an image/key could be provided, and the manufacturer could verify the authenticity that way.
The TPM signing could be tied into the sensor hardware itself, making it difficult, but not impossible, to sign arbitrary images with the TPM.
The point of the key (as the for some reason dead comment points out), is not to prove who took the photo, but what device took the photo. Just as if someone stole a hardware token with a PGP key on could impersonate the owner. The key itself doesn't prove a person, just a device.
If a key was reset, a revocation of the original key could be issued, showing that the key was associated with the device for this particular time span. And then the new key registered.
This is ripe for abuse though, so resetting a TPM might not be accepted for this use case. I'm not certain in which case you'd want to reset a TPM for this use case though. Unless you took enough photos with the device to risk a birthday attack if you were using something like ECDSA.
No. You'd only ever be able to show that key material belonging to $specific_camera was used to sign/mark the image.
Was the camera manufacturer breached? Did somebody on the factory floor steal some keys during the provisioning step? Or did somebody build their own photo-sensor simulator and plug _that_ in to the camera's motherboard to feed it a "real" image? Before going _that_ far, just point the unmodified camera at a sufficiently high resolution display...
"I think it would be nice if all pens added a unique isotopic tracer signature to their ink. You could tell exactly who wrote everything."
"I think it would be nice if all typewriters had their unique fine-detail type artifacts registered with the government. You could tell exactly who authored a given document."
I think it would be nice if you took these ideas back to Stalinist Russia where they belong.
Printing anything is also a risk: It's very likely your printer is secretly adding marks to the page that contain its serial number and the current timestamp. [0]
Why is that a risk? Well, Microsoft's "telemetry" is harvesting those serial numbers of all internal and external devices you've ever had connected or reachable. Then they link them to your MS account, IP addresses, and the extended social-graph of all computers that were ever in the same room or shared the same bluetooth speaker.
In short, your "anonymous" flyer critiquing The Regime and depicting Dear Leader as a clown may end up lead thugs straight to your door--or the door of whomever you're staying with--all courtesy of Microsoft and the printer-companies.
[0] https://www.eff.org/issues/printers
Obviously Paint could have been watermarking prior to AI though, but this specific AI watermarking appears to be only that.
Why not just mod the app to not call this API?
*with the help of AI*. Does in fact make a difference.
Ain't nobody anon anymore thanks to the image recording GPS radio in the pocket.
At best they'd just disable it for EU... assuming they didn't successfully argue "it was in the ToS ..."
so unless you want to draw a distinction between 'user' and 'machine' , yeah it is for identifying users.
to believe otherwise, especially with Microsoft involved, would be incredibly naive to their history.
Microsoft GDID telemetry includes full browsing and gaming history https://news.ycombinator.com/item?id=48787239
"I haven’t read enough to understand". Oh, now I know the answer to my question
Do not tell Microsoft where you sleep. IANAL but they are not a government or financial institution and do not have a right to that information.
Make sure you register mailing addresses with your credit card institutions in addition to your residential addresses, and make your mailing address your billing address so that you aren't forced to tell a thousand businesses like Microsoft where you sleep.
While it's definitely a dark pattern that I 100% do not agree with, Pro editions still allow you to do a local account. No need for the oobe /bypass command, still can be done through the OOBE GUI setup by selecting a Work/School account option then selecting Sign in options to then specify a local account to create.
It takes zero effort to bypass that with Rufus, if you set up your own pc.
Sorry for a dumb question but what would one use as a mailing address? Rent a PO box, or use a mail forwarding service, something like that?
Besides privacy against leaking your sleeping-address to businesses, they're also convenient for avoiding package theft if that's a problem in your area, and receiving/forwarding mail if you travel a lot for extended periods of time.
I'd recommend against PO boxes because (1) they get rejected by some services (2) UPS and FedEx won't deliver to them.
Because these businesses have to register as CMRAs and you have to sign a notarized form for them to legally receive mail for you, some services will still detect it and not let you use the address, but my experience for the most part has been that most US financial institutions let you enter a "residential/legal address" (no CMRAs allowed) and a "mailing address" (CMRAs allowed) separately, and the mailing address usually becomes your billing address.
They will move faster to track each and every one of you, all the while shoving ads and garbage down each of your respective machines... and you all pay for it?!
All these fixes and repairs ignore the fact that abusing people pays. Surveillance capitalism pays, and provides a revenue stream for Microsoft to further exploit.
The only way to win is not to play.
No it's not. Sign up for a virtual mailbox for $15-$25/month.
> A scalable solution would be to make this sort of thing illegal.
I'm posting this in the genuine interest of people being able to maintain anonymity from data leaks, privacy leaks, and in general not needing to tell businesses more personal information than is necessary to render services. This is in a country that has no protection of personal safety whatsoever, and any business data leak could mean life or death to average citizens who are being threatened by criminals, stalkers, and more.
It seems every time I post something of this flavor the same handful of you come out of the woods and want to make privacy illegal, and I'm not sure who you are trying to support.
Did you notice that it's an affordability crisis out there? An absolutely enormous number of people are skipping bills, taking on credit, and using predatory lenders to make end meets, and your recommendation is to add another fee on top of things.
It's not practical or useful guidance for the vast majority of people. I strongly agree with supporting privacy, but this sort of behaviour (adding trackers, etc) to normal functions without a full disclosure and opt-out mechanism must be made illegal, otherwise we are just creating markets for "privacy preserving" technologies that are increasingly less likely to actually be effective for that purpose but sure do put on a good theatre of seeming that way.
or make it illegal to ask for address, etc. definitely a little more effective than mailboxes
I fully agree that businesses should not be asking for addresses. Non-financial businesses don't need to KYC in the first place, and financial institutions can KYC without needing to know where you sleep.
I got triggered because people seem to always want to come out of the woods and say "addresses should be public record" or things of that sort and I vehemently disagree in the interest of privacy, in a country where a stalker can just look you up, terrorize you, and the police will do nothing about it.
As soon as you purchase something from Microsoft - e.g. your Office 365 subscription - they have at the very least your billing address on file for the credit card.
Personally I think there is a good argument for being able to distinguish AI generated image and video...
Neat but that's not what's being built here. What's being built is "we can trace back this content to who made it" which is bad. Doesn't matter if today that it's limited to AI generated content. Won't be tomorrow. Your devices should not act against your best interests. No cop in my pocket please.
Some say "i do nothing illegal" "have nothing to hide". You dont do anything illegal in your point of view. AI tracking you might think otherwise.
A sudden knock on your door might happen because of an ambigious search/propmt.
Considering putting linux on a 2nd PC
"I need it to work on a random Thursday, not wait for fsck after ever reboot"
https://github.com/IceWhaleTech/CasaOS/issues/1104
https://www.reddit.com/r/archlinux/comments/1cvwo93/arch_run...
Obvious next step is to explore if you can replace watermarker.dll with a (signed) no-op shim or MITM the API call to at least use your own (nil?) GUID that isn't linked to your device/account.
In case it's not obvious, my bigger concern isn't "this image can be identified to have been generated with/by AI" so much as it is "digital yellow printer dots have been forced upon us, except they can identify and retrieve the exact user/device/time/place/document/etc", completely destroying any and all illusions of privacy left.
But if it's only on ai generation and not on all images it seems easy enough to work around that part? Still better than printers doing it no matter what you're printing.
convert file.jpg file.bmp; convert file.bmp file.jpg
Took me a moment to realize you're saying someone else generated it, rather than you did.
This seems incorrect to me. Are you basing that on the use of bullet points?
Everything is spying on us now. Literally everything. I recently downgraded my MacBook M1 to Sonoma to avoid all this AI privacy invading BS.
A few months back, MS incorrectly tried to stamp a Copilot "watermark" (just an auto-added note) to any and all Azure DevOps commits, regardless of whether an LLM was actually involved. They removed it after a lot of github issues were submitted to the source of the issue which was a VS Code Copilot extension.
MS has been very sloppy in their implementations. I would recommend against using Paint or any other LLM enabled app they use as a result. Things may be getting incorrectly stamped.
Virtually all commercial printers embed an invisible identifier on every page printed.
https://en.wikipedia.org/wiki/Printer_tracking_dots
I wonder whether Arthur Conan Doyle had the idea before the police started using typewriter typeface wear and tear for forensics.
Whether it applies to non-AI generated images is a question for the reverse engineers (or ironically, a suitable AI). My bet is on "no".
Of course, the pre-AI versions of paint and notepad can still be installed with a bit of trickery, and it's worth it just for the UX.
There is no reason to assign a GGUID except to identify the person, not that the photo is generated. This is nothing more than surveillance.
this also reminds me of what got me hooked on CS in the first place: a simple java steganography app in cmsc150
It's possible a very bad curator with a terrible taste in art might select slop to display, but I was refering to "fine art" or at least finer art that is digital.
Now some one slightly more sophisticated starts creating deepfakes of a woman and uploading them or fabricating video of an political event without this marker. The subject protests it's fake and AI generated but a loud majority of ignorants feed it into Microsoft AI detector and call you a liar and say it's confirmed real. Most people don't know any better and eat it up because a computer said so.
Edit: Actually trivial to test, just save an image of all black and see if it suddenly has other values on save.
Did it?
Shipping the watermark generator on user's machine would make it very easy for someone motivated to find how it works and write a "watermark remover".
Some proof: https://verify.contentauthenticity.org/?source=https://retr0...
I could also paste a privkey + cert chain in here but el goog's lawyers might not like that.
Being signed with something just means that whoever has that key could've done that. That might be the owner of a specific camera, but it might also be the camera manufacturer, anyone else in the supply chain, or anyone who dumped the key.
Imagine fake evidence signed with the same key as your camera uses being used in court against you. And the court believes it because it has this signature attached and those computers are very secure and all.
Exactly that will happen. Not widespread, of course, but it will.
But what you're talking about is the generative aspect of these photos likely expanding over time. We're seeing that today with the ultra zoom features on some cameras regenerating objects (and especially text). Without the user doing anything the phone will generatively fill in detail, most worryingly text and people. Then there's the Samsung moon issue - taking a photo of a pixelated printout of the moon caused Samsung phones to generate a new image of the moon.
Nobody knows how to make a camera that can distinguish honest vs deceptive photons.
People take RAW photos. Load it up in a RAW editing tool. Manipulate it. Then load it in Gimp. Manipulate some more.
Will the final result have the signature?
And if it does, what use would it be?
Each piece of software in the chain must use TPM-like technologies (yes, even GIMP) to make sure it's running a "legitimate" build of the software, on "legitimate" hardware, and re-sign the file at each step along the way (using keys provisioned during some flavour of remote attestation flow, or using a RA-authenticated remote-signing oracle).
The final file embeds every preceding manifest, so you can "verify" all the way back to the original.
If this all sounds patently unworkable, that's because it is.
I suppose a dedicated fraudster could still stage an appropriate scene. An appropriately lit matte image might even suffice.
If we as a society deemed it necessary, the camera manufacturer could also provide a list of keys for devices they have manufactured. And an image/key could be provided, and the manufacturer could verify the authenticity that way.
The TPM signing could be tied into the sensor hardware itself, making it difficult, but not impossible, to sign arbitrary images with the TPM.
If I need to reset TPM, how do I reclaim photos I took previously?
If a key was reset, a revocation of the original key could be issued, showing that the key was associated with the device for this particular time span. And then the new key registered.
This is ripe for abuse though, so resetting a TPM might not be accepted for this use case. I'm not certain in which case you'd want to reset a TPM for this use case though. Unless you took enough photos with the device to risk a birthday attack if you were using something like ECDSA.
No. You'd only ever be able to show that key material belonging to $specific_camera was used to sign/mark the image.
Was the camera manufacturer breached? Did somebody on the factory floor steal some keys during the provisioning step? Or did somebody build their own photo-sensor simulator and plug _that_ in to the camera's motherboard to feed it a "real" image? Before going _that_ far, just point the unmodified camera at a sufficiently high resolution display...
"I think it would be nice if all typewriters had their unique fine-detail type artifacts registered with the government. You could tell exactly who authored a given document."
I think it would be nice if you took these ideas back to Stalinist Russia where they belong.