Some Day Soon We May Compute Covertly in the Cloud
sep 27, 2013
Imagine that you are responsible for high-performance computing for an automobile manufacturer. Car designs need body panels limiting aerodynamic drag wrapped around engines burning fuel efficiently. But it takes big computers to model aerodynamic flow and flame front propagation. So let’s say that with a major investment in hardware and staffing your company has built […]
This Hash Result Startled Me!
aug 13, 2012
Even when you work with this technology, sometimes you are really surprised to find that things don’t work at all as you might expect. Hash functions are one-way operations. It is easy to calculate the hash of even a large piece of data. But it should be impractically difficult to find an input that generates […]