Since when is tamper resistance a part of PDF or any common image format?

kube-system • yesterday at 5:01 PM • 2 replies • view on HN

PDF files can be signed, that is tamper resistance. Tamper resistance doesn't have to make any difference to the readability of the document.

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fithisux • yesterday at 5:59 PM

You can't change a PDF, it is by design to be not easy to OCRed

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