by ʇolɐǝz ǝɥʇ qoq

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I'm going to be distributing some of my images as TIFF files and want to put my copyright and contact information into the metadata for the images in a way that prevents it being stripped or altered by third parties. At the moment I'm using Photoshop CS5 and inserting the information using Bridge. Is there a method for locking the metadata that anyone can recommend?

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up vote 10 down vote accepted

Anyone with an editor can open a TIFF and save it again without the metadata. I don't think there is any way to lock the metadata from being stripped out.

You could look at digital watermarking, such as Digimarc

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+1; succinct and right. In the end, the image is just bits. Ones and zeroes. If they have the file, they can do pretty much anything with it. There are basically no technological "solutions" to this. But, making use of your copyrighted works in a way that you have not permitted is a copyright violation, for which you already have remedies. – James Youngman Mar 17 '12 at 16:32

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