Quote:
Originally Posted by Sweetpea
Still, I think that "social DRM" is the way to go. Besides, it's much more difficult to retrieve the encryption key than it is to decrypt if you already know the key (which is what you do if you de-DRM mobi, LIT or eReader books).
|
You cannot recover the encryption key from the encrypted file; the encryption algorithm is "one way". ie you can use the key to decrypt the file, but the file doesn't "know" what the key is.