On Thu, Oct 17, 2013 at 10:03 PM, coderman
... 2. strong encryption ...
the practical uses are not just authenticity and privacy, but also censorship avoidance and other availability improvements; c.f.: "Lightweight Obfuscated Datagram Protocol (LODP)" https://lists.torproject.org/pipermail/tor-dev/2013-August/005334.html "Elligator [...] introduces a new solution: an encoding for points on a single curve as strings indistinguishable from uniform random strings." http://elligator.cr.yp.to/ encryption for privacy of data at rest can almost be considered a subset of the problem of encryption for privacy of communication as above. and all of the above hinge critically upon effective key management and usability! which are the things you're most likely to screw up inconspicuously and completely.