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Old 08-29-2010, 07:55 PM   #8
pholy
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Posts: 1,795
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Join Date: Jun 2009
Location: Toronto, Ontario, Canada
Device: BeBook(1 & 2010), PEZ, PRS-505, Kobo BT, PRS-T1, Playbook, Kobo Touch
Ahh-ha! That makes sense - if the whole book was encrypted with the customer's key, each download would have to wait on encrypting a big file. As Charleski describes it, only the relatively short (1024 bits? whatever...) payload-key needs to be encrypted for each customer.

I think.... something like that...
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