Using structured encryption to search protected photos in the cloud

In a recent presentation at the Real World Crypto symposium, researchers affiliated with Brown University and a startup called Pixek presented their work developing an app that encrypts photos at the moment they're taken and uploads them in encrypted form to a cloud server, in such a way that the keys remain on the user's device, meaning the service provider can't view the photos. Read the rest

Cryptpad: a free/open, end-to-end encrypted, zero-knowledge shared text editor

Tools like Etherpad and Google Docs are transformative ways to collaborate on text (including code); I've used them in contexts as varied as making unofficial transcripts of statements at UN agencies to liveblogging conference presentations -- but they all share a weakness, which is that whomever owns the document server can see everything you're typing. Read the rest

Snowden: Dropbox is an NSA surveillance target, use Spideroak instead

A remarkable moment from last night's remarkable Snowden video from the Guardian. Read the rest