Technology can provide an authentication, numeral signature authentication, information to encrypt and so on for various application of the network according to the PKI (Public Key Infrastructure) technique.

• 基于公钥体制的PKI(Public Key Infrastructure即公共密钥基础)技术可以为网络上的各种应用提供身份认证、数字签名认证、数字加密传输等的安全保障。