05-16-2008, 09:59 PM | #16 | |
Wizard
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You know... *I'm* not sure myself. I mean, I've got four PIDS registered with Mobipocket and Fictionwise and when I buy a Secure Mobipocket ebook and download it, I don't have to download one for each of my devices - one download does it all. Derek |
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05-16-2008, 10:05 PM | #17 | |
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BOb |
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05-16-2008, 10:19 PM | #18 | |
Wizard
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I haven't tested it. Nor am I willing to go through the hassle of deleting PIDs from the registered PID lists to find out. I've had hassles changing/adding them before. Sorry. Derek |
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05-16-2008, 10:48 PM | #19 |
Sir Penguin of Edinburgh
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Wallcraft, did you downloaded this one? If that's the one you had, did you notice the restrictions on it? The conversion could have failed because of the DRM put on the file by Adobe.
XHTML Rights: Copying not allowed Printing not allowed Lending not allowed Reading aloud not allowed P.S. Try one from Feedbooks instead. I'll try some also. |
05-16-2008, 11:12 PM | #20 | ||
reader
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I have tried EPUBs from feedbooks, and they work except that the .ncx file is again ignored. There is a TOC, but it comes from the guide section of the .opf file rather than the .ncx file. |
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05-16-2008, 11:18 PM | #21 | |
Sir Penguin of Edinburgh
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There is a vast amount of data in the epub file. The conversion should be just as good as a conversion from an exploded MSLIT. |
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05-17-2008, 12:21 AM | #22 |
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05-17-2008, 02:38 AM | #23 |
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No, it isn't. I've just re-downloaded my (extremely large) Chambers Dictionary having added the PID of my new Gen3. The file is the same size.
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05-17-2008, 12:10 PM | #24 |
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05-17-2008, 05:06 PM | #25 |
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Not necessarily. One way to achieve this would be a two-step process where you encrypt each book with a key unique to that book, then encrypt the key needed to decrypt the book with the PID. If the mobipocket format has a fixed place to store the decryption key four times for each of the four PIDs allowed, the size doesn't need to change.
If you assume a 2048 bit key for encrypting/decrypting the book, then storing four encrypted versions of that key takes 1 kB, which isn't that much. I don't know if this is what happens, but IIRC, this is how gnupg works if you encrypt an email for multiple recipients (except that gnupg doesn't have a fixed number of "slots", so each additional recipient you encrypt the message for enlarges the whole thing by a couple hundred bytes). |
05-17-2008, 05:46 PM | #26 | |
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I guess that currently, they generate the TOC this way, because that's how OEBPS1.0 worked with an OPF and they didn't changed anything compared to their normal Mobipocket generation. |
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05-17-2008, 06:55 PM | #27 | |
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Derek |
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05-19-2008, 06:54 PM | #28 |
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05-20-2008, 03:06 AM | #29 |
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05-20-2008, 02:34 PM | #30 |
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Oh, I didn't know that. But still, you have to admit it sounds awfully funny to not allow something to be read aloud.
Even if the program won't read it aloud, nothing is stopping the person who bought it from doing so. I fail to see how disabling that protects much of anything. |
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