@classmethod
    def extcompare(cls, inputs, ext_diff):

        subprocess.Popen(
            [
                ext_diff,
                inputs.f1,
                inputs.f2
            ]
        )
obfs2 regular MAC: MAC(s, x) = H(s | x | s)
dataset/ETHPy150Open facelessuser/EasyDiff/easy_diff.py/EasyDiff.extcompare--crossover with--dataset/ETHPy150Open isislovecruft/obfsproxy/obfsproxy/transports/obfs2.py/Obfs2Transport.mac