关键词: 无线认证协议，公钥密码，PKI，身份认证，ECC

Abstract: The WTLS protocol based on PKI requires complicated processing of certificate,which causes the communicating and computing overload is too much. Moreover,it doesn't verify the server certificate. In order to solve these issues,trust certificate verification proxy (TCVP) and certificate validity ticket (CVT) were introduced. CVT generated by TCVP for wireless communication nodes (WN) has a short life time and WN exchanges and uses it to verify certificafe and share public keys in its life time. On this basis, a general wireless authentication protocol (GWAP) was proposed. Under the guidance of GWAP, a specific wireless security authentication protocol was designed by adopting Elliptic Curve Cryptography (ECC). Result of performance analysis shows that new protocol improves the efficiency of wireless communication without security losses.

Key words: Wireless authentication protocol, Public key cryptography, Public key infrastructure, Identity authentication, Elliptic curve cryptography