A method for securing transmission of streaming media by encrypting each packet in the stream with a packet key using a fast encryption algorithm. The first member is made porous leaving some region or regions thereof not made porous so that the porous layer does not cause any separation at the part of the porous layer in the first and second steps. The temperature sensor can be advanced from a retracted position within the housing to an extended position operatively associated with the opening for sensing the temperature of an object.