Thread: Fonts - Legal Issues
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Old 08-05-2009, 05:26 PM   #9
pdurrant
The Grand Mouse 高貴的老鼠
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If it's enough to get font foundries to allow ePubs to contain fonts without asking ludicrous licensing fees, I'm all for it.


Quote:
Originally Posted by kovidgoyal View Post
Adobe has a scheme to "encrypt" the fonts embedded in an EPUB file (this is independent of DRM). Their encryption is not really encryption (it just involves XOR the first kilobyte of the font files and is trivially reversible (5 lines of code). It has to be, to allow reading software to use the embedded fonts.

But I believe, they think this makes the fonts "non recoverable" at least legally.

IIRC, the IDPF even adopted a (trivially modified) version of this scheme.
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