With the development of information and electronic technique and the widespread use of internet technology,the world has been transited into Information Age. However,when information technology brings very great convenience to people,there also exist great risks. In recent years,pseudo base station becomes more and more rampant in sending fraud SMS,leading to great losses in people's spirits and assets. This essay introduces digital signature mechanism that is based on elliptic curve public key cryptographic algorithms into the process of identifying the network subjects by researching the nor...