Viewing profile — davidcash

Moreover, what we (= provable security wonks) really don't understand is collision resistance, or, more generally, cryptographic security notions that are stronger than one-wayness…

A better interpretation of that paper is that it is giving an upper [edit: upper bound] on how inequivalent the models are. Also, that paper was subsequently shown to be fatally fl…

In my opinion, giving out your number, along with the hash of each phone number in your address book to an authority with millions of such hashes isn't appreciably better than givi…

How would one carry out the friend suggestion feature with encrypted phone numbers?