How to prevent readers editing an ePub book?

jeffwirth · 02-21-2021, 02:59 PM

I have an ebook that I've created in the ePub format. I'm fine with people copying, printing, and sharing the ePub. What I'd like to avoid is readers editing the content. Is there a way to accomplish this?

pdurrant · 02-22-2021, 07:28 AM

Quote:

Originally Posted by jeffwirth

I have an ebook that I've created in the ePub format. I'm fine with people copying, printing, and sharing the ePub. What I'd like to avoid is readers editing the content. Is there a way to accomplish this?

No.

But you could make a checksum of the ePub, place that on your web site, and then readers can check that they've got an unaltered version.

jeffwirth · 02-22-2021, 09:55 AM

Thanks Grand Mouse!
That's an excellent solution.
I appreciate your help.

KevinH · 02-22-2021, 10:59 AM

That is an excellent idea. One tiny caveat, changes stored inside the epub container itself by bookmarking or annotations done by some e-readers (and calibre itself?) would make the checksum test fail. But if it is to ensure fresh copies are identical then all is good.

jeffwirth · 02-22-2021, 11:01 AM

@KevinH - Understood. That's useful information to consider. I'll bear it in mind.

02-21-2021, 02:59 PM	#1
jeffwirth Junior Member Posts: 3 Karma: 10 Join Date: Feb 2021 Device: various	How to prevent readers editing an ePub book? I have an ebook that I've created in the ePub format. I'm fine with people copying, printing, and sharing the ePub. What I'd like to avoid is readers editing the content. Is there a way to accomplish this?

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02-22-2021, 09:55 AM	#3
jeffwirth Junior Member Posts: 3 Karma: 10 Join Date: Feb 2021 Device: various	Thanks Grand Mouse! That's an excellent solution. I appreciate your help.

02-22-2021, 10:59 AM	#4
KevinH Sigil Developer Posts: 8,759 Karma: 5706256 Join Date: Nov 2009 Device: many	That is an excellent idea. One tiny caveat, changes stored inside the epub container itself by bookmarking or annotations done by some e-readers (and calibre itself?) would make the checksum test fail. But if it is to ensure fresh copies are identical then all is good.

02-22-2021, 11:01 AM	#5
jeffwirth Junior Member Posts: 3 Karma: 10 Join Date: Feb 2021 Device: various	@KevinH - Understood. That's useful information to consider. I'll bear it in mind.

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