Quote:
Originally Posted by vaughnmr
If you have an epub file, how can you tell what DRM is infecting it? I mean, how could you determine if it was DRM free, or one of the Apple/B&N/Adobe varieties? Just curious...
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I have not checked an Apple ePub, but B&N and Adobe include the encryption.xml file that is part of the ePub standard. As a practical matter, if you try to read an encrypted ePub it will typically not work if you have the "wrong" reader.