On Thu, Mar 02, 2017 at 03:42:12AM +0000, Nick Hilliard wrote: > James DeVincentis via NANOG wrote: > > On top of that, the calculations they did were for a stupidly simple > > document modification in a type of document where hiding extraneous > > data is easy. This will get exponentially computationally more > > expensive the more data you want to mask. It took nine quintillion > > computations in order to mask a background color change in a PDF. > > > > And again, the main counter-point is being missed. Both the good and > > bad documents have to be brute forced which largely defeats the > > purpose. Tthose numbers of computing hours are a brute force. It may > > be a simplified brute force, but still a brute force. > > > > The hype being generated is causing management at many places to cry > > exactly what Google wanted, “Wolf! Wolf!”. > > The Reaction state table described in > https://valerieaurora.org/hash.html appears to be entertainingly accurate.
With particular reference to the "slashdotter" column. - Matt