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8:03 PM 10/12/2018
x86_64 linux binary (tested on debian 9 and ubuntu 18.04, should run on any distro). Takes one command line argument and outputs "OK!" if it's correct, "Wrong" if it's not. Partially written in C, actual verification routine is assembly. Don't patch the binary, of course - find the correct input. SHA256: 134b53b78fe74d477bf381ebfd965f92d270f8314886518d451ec3aca29156fa hell86