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"But Drew!" Jimmy exclaims, "What if someone uses Dropbox at work and at home? Are these special folders going to be synced across computers? If so, how will th
by palish 16y ago
"But Drew!" Jimmy exclaims, "What if someone uses Dropbox at work and at home? Are these special folders going to be synced across computers? If so, how will the key be easily transferred (email, USB stick)? What happens when the user's hard drive crashes and his key file is lost permanently? Otherwise, if these special folders won't be synced, then what is the point of the folders being in Dropbox at all?"
- mike-cardwell 16y agoThose are just minor implementation details. Off the top of my head, the key can be stored as a password protected file inside the Dropbox account its self, synced like any normal file, but perhaps hidden from the end user. The encrypted folders contents are synced like any others. On any client where you want to access the decrypted folder contents, you'd just enter the password to decrypt the password protected key and the folder contents would become available. If you forget the password then you're screwed. The only way Dropbox could access those files then would be to backdoor the Dropbox client. But if they were going to do that, it wouldn't even be safe to use TrueCrypt or GnuPG either.