supported by the NNSF of China(No.90204015, 60473021);the Key Technologies Research and Development Program of Henan Province of China(No.0524220044,062426001);the Research Found of HAUT of China(No.0401009, 050211,050215,050216)
Two standards for security of WLAN,IEEE 802.11 i and WAPI,are introduced,and some shortcomings of them are pointed out.Based on hash chains technique to construct identity authentication tokens, a new authentication i...