Hash[L](Context ID | Input)

    Input      :=  HOST_ID
    L          :=  96
    Context ID :=  0xF0EF F02F BFF4 3D0F E793 0C3C 6E61 74EA

    Hash[L]    :=  An extraction function in which output is obtained
                   by extracting the middle L-bit-long bitstring
                   from the argument bitstring.