| 软件包 | 描述 | 
|---|---|
| javax.net.ssl | 
           为安全套接字包提供类。 
          | 
| javax.security.cert | 
           提供公钥证书类。 
          | 
| Class and Description | 
|---|
| X509Certificate 
           X.509 v1证书的抽象类。 
          | 
| Class and Description | 
|---|
| Certificate 
           用于管理各种身份证件的抽象类。 
          | 
| CertificateEncodingException 
           证书编码异常。 
          | 
| CertificateException 
           此异常表示各种证书问题之一。 
          | 
| CertificateExpiredException 
           证书过期例外 
          | 
| CertificateNotYetValidException 
           证书还没有有效的例外。 
          | 
| X509Certificate 
           X.509 v1证书的抽象类。 
          | 
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