Quote:
Originally Posted by GranSenser
I think users have a right to know where their personal information is stored in the file.
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I wouldn't worry about the watermark leaking your personal information. It is encrypted. And while any encryption can eventually be broken, no one other than Amazon has any real incentive to decode watermarks.
Quote:
Originally Posted by GranSenser
Is the header watermark a set with DRM?
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No. The watermark is part on the metadata of the book. It is stored in the
EXTH header along with the title, author, and other metadata. It is present even if a book does not have DRM. Each time a book is downloaded or delivered it is given a new unique watermark.
DRM data is stored separately in a 48 byte DRM voucher.