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. Nick
