06-04-2008, 10:32 AM | #1 | |
reader
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Mobigen (KindleCreator) for Linux now available
As Hadrian first posted, MobiPocket has release an alpha of mobigen for Linux. See the Mobipocket Developer Center.
I have not tried it on ebooks yet, but running mobigen_linux with no arguments returns: Quote:
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06-04-2008, 12:24 PM | #2 |
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Nope, it's purely for Linux (x86).
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06-04-2008, 01:44 PM | #3 |
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Interesting stuff in there with just a quick glance.
They don't even try to obfuscate it, they even gently give pirates all the information they need . Pretty careless IHMO. Code:
.rodata:081C9BC3 public INTERNAL_PUBLISHER_KEY .rodata:081C9BC3 INTERNAL_PUBLISHER_KEY db xxh, xxh, xxh, xxh, xxh, xxh, .rodata:081C9BD3 public INTERNAL_READER_KEY .rodata:081C9BD3 INTERNAL_READER_KEY db 72h, 38h, xxh, xxh, xxh, xxh, xxh, xxh, xxh, xx |
06-04-2008, 07:56 PM | #4 | |
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Quote:
I notice that Mobipocket has already pulled the download from their site, so they must have found the vulnerability as well! |
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06-05-2008, 07:17 AM | #5 |
Wizard
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I don't think so. As far as I understand it, the keys mentioned are used as a temporary PID when making the initial file to send to Mobipocket for distribution. When file is sent to the buyer, it's personalized with his own PID.
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06-05-2008, 08:10 AM | #6 |
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As far as I understood, each DRMed Mobipocket file is encrypted with a unique media key.
This media key is then encrypted for each authorized device with a secret device key that is derived from the PID. INTERNAL_READER_KEY is basically all you need to derive the device key from the PID if I read drmmobi correctly. Therefore I don't understand that all the mobipocket generators (not only the one they removed) have this value in clear without protection. The Linux software even had all the debugging information including naming of these variables and of the function that use them. |
06-05-2008, 09:04 AM | #7 | |
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Quote:
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06-06-2008, 11:47 AM | #8 |
Sir Penguin of Edinburgh
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Can someone send me a copy? There are a couple new features we want to add to the ebook upload section.
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06-06-2008, 12:33 PM | #9 |
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06-06-2008, 12:45 PM | #10 |
Sir Penguin of Edinburgh
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Thank you.
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06-06-2008, 01:11 PM | #11 |
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The kindle file generator is still available; I grabbed a fresh copy half an hour ago. Looks like nobody noticed after all.
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06-06-2008, 01:13 PM | #12 |
Sir Penguin of Edinburgh
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Can you provide a link? The Linux version of Mobigen is still down.
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06-06-2008, 01:42 PM | #13 |
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06-06-2008, 04:00 PM | #14 |
Cynic
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That's interesting ...
... Damn. My download file turns out to be a 404 page. |
06-09-2008, 06:36 PM | #15 |
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Argh, saw this too late -- would love to be able to stop using wine for my own docs, and they seem to have yanked the download. Anyone still have a copy handy?
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