This package is provided only for compatibility reasons.
| Certificate | Abstract class to represent identity certificates. | 
| X509Certificate | Abstract base class for X.509 certificates. | 
| CertificateEncodingException | The exception that is thrown when an error occurs while a Certificate
 is being encoded.  | 
          
| CertificateException | The base class for all Certificate related exceptions.  | 
          
| CertificateExpiredException | The exception that is thrown when a Certificate has expired.  | 
          
| CertificateNotYetValidException | The exception that is thrown when a Certificate is not yet valid.  | 
          
| CertificateParsingException | The exception that is thrown when a Certificate can not be parsed.  |