NDH Quals 2015 weshgrow

weshgrow.py

def round(byte):
    c = 162888806
    for i in range(3, 0, -1):
        state[i] = (state[0] * state[i] + state[0] * byte) % 4294967295
    self.state[0] = (state[0] * c + state[1] * byte) % 4294967295

def hash(data):
    for char in data:
        round(ord(char))
    return "".join([to_hex(x) for x in state])