Relying on the PKI (Public Key Infrastructure) services provided by ASU,WAI realizes key management and the mutual authentication between STA and AP based on digital certificates.

• WAI机制依赖于ASU提供的公钥基础设施PKI服务,基于数字证书(也叫电子证书)实现了STA和AP之间的双向认证及密钥管理。