int_obfuscator.py

# http://stackoverflow.com/questions/21986602/fixed-length-int-obfuscator-does-anyone-know-how-to-do-this
class IntObfuscator(object):
    m = 1000000000
    x = 387420489
    inverseX = 513180409

    def encode_int(self, value):
        return value * self.x % self.m

    def decode_int(self, encoded):
        return encoded * self.inverseX % self.m