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General photography questions and answers: Discuss "Hidden" code....Does your photographic editor "Hide" code in your photographs?... And I am not talking digital watermarks that YOU choose to ...
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Old 23-11-2010, 06:59   #1 (permalink)
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"Hidden" code.

Does your photographic editor "Hide" code in your photographs?...

And I am not talking digital watermarks that YOU choose to put in...

The proposition is that certain software companies that make photo editing software "Hide" code in the metadata or even in the photograph to identify what photo editor you are using, and then, to discern if its a licensed copy or if its a "Pirate" or not.....

This question has come up on the infamous "Mythbusters" message boards, so I thought its best that I come ask here, as I know one or two of you may know more than I do on this...

My suspicion is that this is a load of Snake oil, and that we would KNOW right away if they were doing this, but you never know.....
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Old 23-11-2010, 09:28   #2 (permalink)
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Re: "Hidden" code.

Can't beat a good conspiracy theory and there's certainly some extras that Adobe put into the file header - not sure how we'd know unless someone who'd worked at Adobe mentioned it!
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Old 23-11-2010, 11:08   #3 (permalink)
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Re: "Hidden" code.

Well as Mark said most photo software imbeds stuff in the following EXIF fields.

For example my image New Forest Rhinefield Abstract - Pixalo Photo Gallery

Has the following placed by Adobe CS5 in its header.

EXIF IFD0

* Camera Make = Canon
* Camera Model = Canon EOS 50D
* Picture Orientation = normal (1)
* X-Resolution = 720000/10000 ===> 72
* Y-Resolution = 720000/10000 ===> 72
* X/Y-Resolution Unit = inch (2)
* Software / Firmware Version = Adobe Photoshop CS5 Windows
* Last Modified Date/Time = 2010-11-20T17:53:55

Not sure if that's to track people or just to say what it is edited with.
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Old 23-11-2010, 11:12   #4 (permalink)
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Re: "Hidden" code.

Yeah, but that's the official stuff - SD's talking about other embedded code which wouldn't be spec'd for EXIF readers and so would be invisible to them (and probably located outside the EXIF boundaries)
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Old 24-11-2010, 08:17   #5 (permalink)
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Re: "Hidden" code.

Quote:
Can't beat a good conspiracy theory
You certainly cant Mark, and this is what I suspect this is....
I knew about the EXIF tags, I was more interested on the Digital Watermark type question..
Personally, I call baloney on the idea, I think the software makers have better things to do with their time.
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Old 21-12-2010, 14:19   #6 (permalink)
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Re: "Hidden" code.

Well one way or another what ever we do on the internet wether its pictures or letters we are probably being monitored, and its quite possible we have all have been photoshoped or paintshoped along the lines? who knows.........
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Old 21-12-2010, 17:34   #7 (permalink)
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Re: "Hidden" code.

Surely if they knew it was a pirate copy they would just block it updating or even stop you using it!
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Old 23-12-2010, 20:13   #8 (permalink)
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Re: "Hidden" code.

they actually use the "host" file in your windows/system32/drivers/etc directory to check for updates. they check your serial to make sure it's an original when you install the software. then after that, everytime you update it. even if they blacklist your serial, I don't think they can do anything about the installed software (assuming they are not willing to come and cuff your personally lol). you can run it without updates. frankly, I don't like adobe updates much. I spent 95% of the time updating my adobe products and 5% using them
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Old 23-12-2010, 20:35   #9 (permalink)
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Re: "Hidden" code.

Quote:
Originally Posted by jayaruwan View Post
they actually use the "host" file in your windows/system32/drivers/etc directory to check for updates. they check your serial to make sure it's an original when you install the software. then after that, everytime you update it. even if they blacklist your serial, I don't think they can do anything about the installed software (assuming they are not willing to come and cuff your personally lol). you can run it without updates. frankly, I don't like adobe updates much. I spent 95% of the time updating my adobe products and 5% using them
I know that feeling, the updates are just as frequent on a Mac.
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