Quote:
Originally Posted by icearch
Well how does pdf achieve this? Pdf can be set to read-only (require password to edit) or require password to read. But it seems fine to read on any other apps that supports pdf.
Is it because encryption is not a thing in mind when creating epub standards?
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PDF only partially achieves this and isn't reflow-able and can covert to image only.
If people can see it, then ultimately any DRM can be defeated.