Class Hierarchy
- java.lang.Object 
        
- com.itextpdf.kernel.crypto.securityhandler.PublicKeyRecipient
 - com.itextpdf.kernel.crypto.securityhandler.SecurityHandler 
          
- com.itextpdf.kernel.crypto.securityhandler.PubKeySecurityHandler 
            
- com.itextpdf.kernel.crypto.securityhandler.PubSecHandlerUsingAes128 
              
- com.itextpdf.kernel.crypto.securityhandler.PubSecHandlerUsingAes256 
                
- com.itextpdf.kernel.crypto.securityhandler.PubSecHandlerUsingAesGcm
 
 
 - com.itextpdf.kernel.crypto.securityhandler.PubSecHandlerUsingAes256 
                
 - com.itextpdf.kernel.crypto.securityhandler.PubSecHandlerUsingStandard40 
              
- com.itextpdf.kernel.crypto.securityhandler.PubSecHandlerUsingStandard128
 
 
 - com.itextpdf.kernel.crypto.securityhandler.PubSecHandlerUsingAes128 
              
 - com.itextpdf.kernel.crypto.securityhandler.StandardSecurityHandler 
            
- com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingAes256 
              
- com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingAesGcm
 
 - com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingStandard40 
              
- com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingStandard128 
                
- com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingAes128
 
 
 - com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingStandard128 
                
 
 - com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingAes256 
              
 
 - com.itextpdf.kernel.crypto.securityhandler.PubKeySecurityHandler 
            
 - java.lang.Throwable (implements java.io.Serializable) 
          
- java.lang.Exception 
            
- java.lang.RuntimeException 
              
- com.itextpdf.commons.exceptions.ITextException 
                
- com.itextpdf.kernel.exceptions.PdfException 
                  
- com.itextpdf.kernel.crypto.securityhandler.UnsupportedSecurityHandlerException
 
 
 - com.itextpdf.kernel.exceptions.PdfException 
                  
 
 - com.itextpdf.commons.exceptions.ITextException 
                
 
 - java.lang.RuntimeException 
              
 
 - java.lang.Exception