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Old 07-16-2023, 02:57 PM   #1
WV-Mike
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Preventing and ePub from being edited
Greetings,
How does one prevent an ePub from being edited by someone who has a copy of it?

I assume there must be some way to set an ePub to "read only" so it cannot be modified.

Thanks,
WV-Mike
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Old 07-16-2023, 03:57 PM   #2
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Nothing to do with Sigil.
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Old 07-16-2023, 04:53 PM   #3
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Other than using DRM, there is no way to keep an ePub from being edited. There is no equivalent to the various password protection options for a PDF file.
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Old 07-16-2023, 05:14 PM   #4
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By publishing your book through an official channel like Kobo books, Adobe Digital Editions, Apple Books etc, the epub vendor will add DRM normally to an epub typically unless you tell them otherwise.

If you want to sell your own epubs then there really is no drm method you can apply yourself short of encrypting the entire epub (zip) and selling one-time passwords that once received means no drm any longer. It is just not worth it for most self-publishers.
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Old 07-17-2023, 06:20 AM   #5
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Quote:
Originally Posted by DiapDealer View Post
Nothing to do with Sigil.
What does it have to do with?

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Old 07-17-2023, 06:25 AM   #6
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Preventing and ePub from being edited
Thanks, Kevin and DNSB.
WV-Mike
=====

Quote:
Originally Posted by KevinH View Post
By publishing your book through an official channel like Kobo books, Adobe Digital Editions, Apple Books etc, the epub vendor will add DRM normally to an epub typically unless you tell them otherwise.

If you want to sell your own epubs then there really is no drm method you can apply yourself short of encrypting the entire epub (zip) and selling one-time passwords that once received means no drm any longer. It is just not worth it for most self-publishers.
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Old 07-17-2023, 08:26 AM   #7
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However DRM tends to not just prevent edits but lock to one user's device for casual user. A determined user can remove the DRM, or as a last resort capture an image of every page and then OCR (or image edit).

Having something/anything publicly distributed so no-one can edit it is only partially successful and creates problems for the users.
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Old 07-17-2023, 08:50 AM   #8
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Quote:
Originally Posted by WV-Mike View Post
What does it have to do with?

WV-Mike
The nature of EPUBs in general (and what you can and can't do with them).
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Old 07-17-2023, 02:26 PM   #9
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Quote:
Originally Posted by WV-Mike View Post
What does it have to do with?
Quote:
Originally Posted by DiapDealer View Post
The nature of EPUBs in general (and what you can and can't do with them).
@WV-Mike: Welcome to MobileRead! I think the point is that this thread would have been better posted in the ePub forum (https://www.mobileread.com/forums/fo...play.php?f=179) rather than the Sigil forum since it is not specific to Sigil, but rather to EPUBs in general.
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Old 07-18-2023, 02:33 PM   #10
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Preventing and ePub from being edited
Quote:
Originally Posted by odamizu View Post
@WV-Mike: Welcome to MobileRead! I think the point is that this thread would have been better posted in the ePub forum (https://www.mobileread.com/forums/fo...play.php?f=179) rather than the Sigil forum since it is not specific to Sigil, but rather to EPUBs in general.
Thanks. I will bookmark the ePub forum.
WV-Mike
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