Quote:
Originally Posted by Justin Nemo
Why would you want to set your pdf so that you can only open it with a password, that would really upset people and defeat the object.
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Why would you want to set your ebook so it can only be read on a specific device? Wouldn't that just upset people too?
B&N's epubs require a password to open. Apparently, many people are happy with that approach to ebook sales.
I doubt Calibre will open PDFs encrypted with
Vitrium's "ProtectedPDF" software. It's what some online universities use... it not only requires a password to open, it has to check in with the server every time it's opened. Only currently-registered student IDs can read the locked PDFs.