def _fastMPpow(x, y, z=None):
    r = pyPow(gmpy.mpz(x),y,z).binary()[::-1]
    return struct.pack('!L', len(r)) + r
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/conch/ssh/common.py/_fastMPpow/original