Quote:
Originally Posted by chlorine
I thought that the key to reading drm-ed epub was a windows computer, which would use ADE to decrypt the file, and would somehow store it in clear on the reader.
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I don't know if there is a published explanation of ADEPT, but looking from the outside what seems to happen is that the Windows/OSX desktop ADE is required to a) download DRMed ebooks and b) register EInk devices connected via USB to your AdobeID (a one time operation). Coming from a MOBI background, the ePub/PDF file acts as if it has up to 6 "PIDs" for 6 devices in the file. The PIDs come from your AdobeID account. This might be wrong in detail, but it is a working model of what happens. So if your EInk device is registered with your AdobeID, any ePub/PDF file you download using Desktop ADE will work under mobile ADE on the EInk device. Note that mobile ADE decrypts the epub/PDF on the Reader.
If an EInk device had internet access, I don't know if it could register its own AdobeID and download its own ePub/PDF files or not.