All software is defective

https://thehackernews.com/2019/04/france-Tchap-secure-messenger.html From the article: A white-hat hacker found a way to get into the French government’s newly launched, secure encrypted messaging app that otherwise can only be accessed by officials and politicians with email accounts associated with the government identities. Dubbed “Tchap,” the end-to-end encrypted, open source messaging app has been created by the French […]

Zero Knowledge

I’ve liked the term “zero knowledge” back when it was used in the context of Diffie-Hellman key exchanges and other scenarios (see http://www.cs.princeton.edu/courses/archive/spr10/cos433/lec17new.pdf for examples). Zero knowledge cloud storage means the cloud service provider has no knowledge of the file(s) and folders you put on their storage (other than of course size and filename).  Note: if […]