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Zero Knowledge Encryption
I find that many Cloud services offer encryption during transfer to the service and encryption at the destination. Dropbox does this too. Unfortunately, the keys used at the destination are available to Dropbox. What would make Dropbox unique is if it would offer Zero Knowledge encryption at the client. That way all files are encrypted at the client with the customer retaining the keys. Why is this important? There can be bugs during transfer even if encryption is used (remember the famous OOPS with caches on internet servers offering up unencrypted data?). Also, the government can force Dropbox to deliver user data (or it may be compromised by hackers).
Dropbox with Zero Knowledge Encryption would be a market leading solution that would drive a great preference over OneDrive, Google Drive and others. It would be the only way I would be comfortable putting my files on the cloud.
I wanted to share a quick update with you:
We have launched our end-to-end encryption in April. More details can be found here and here.
High level overview:
You can now add end-to-end encryption to team folders. The functionality is available for our Advanced, Business Plus and Enterprise customers at no additional costs.
If there are any questions, please let me know!
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I strongly support the idea of zero-knowledge-encryption for documents saved in Drobox. Without this type of protection, I am reluctant to save any important docs in Dropbox. I am using Dropbox less and less because this critial feature is not available.
Love the idea.
Some applications (joplinapp.org for instance) has support for dropbox but adds an encryption layer before sending the files to Dropbox - meaning that Dropbox does not have access to any keys, only the pre-encrypted data.
I'm not suggesting this as a solution, but zero-knowledge-encryption presents alot of technical challenges - foremost just handling keys in any form for 'normal' users tends to be quite hard; "forgot passphrase - how do I retrieve my data" will tend to skyrocket as a question.
But I would love too see that functionality.You can look at product features via vote, or like Steve Jobs as a strategic decision. He never worried about market research to drive innovation. Google would struggle to copy this because they count on sifting through your information to place ads. You are not encumbered by this with a subscription model.
