Package com.itextpdf.kernel.crypto.securityhandler

Class StandardHandlerUsingAes256

java.lang.Object

com.itextpdf.kernel.crypto.securityhandler.SecurityHandler

com.itextpdf.kernel.crypto.securityhandler.StandardSecurityHandler

com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingAes256

       public class StandardHandlerUsingAes256 extends StandardSecurityHandler
      

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	encryptMetadata

Fields inherited from class com.itextpdf.kernel.crypto.securityhandler.StandardSecurityHandler

permissions, PERMS_MASK_1_FOR_REVISION_2, PERMS_MASK_1_FOR_REVISION_3_OR_GREATER, PERMS_MASK_2, usedOwnerPassword

Fields inherited from class com.itextpdf.kernel.crypto.securityhandler.SecurityHandler

extra, md5, mkey, nextObjectKey, nextObjectKeySize

Constructor Summary

Constructors

Constructor	Description
StandardHandlerUsingAes256(PdfDictionary encryptionDictionary, byte[] password)
StandardHandlerUsingAes256(PdfDictionary encryptionDictionary, byte[] userPassword, byte[] ownerPassword, int permissions, boolean encryptMetadata, boolean embeddedFilesOnly, PdfVersion version)

Method Summary

Modifier and Type	Method	Description
IDecryptor	getDecryptor()
OutputStreamEncryption	getEncryptionStream(OutputStream os)
boolean	isEncryptMetadata()
void	setHashKeyForNextObject(int objNumber, int objGeneration)	Note: For most of the supported security handlers algorithm to calculate encryption key for particular object is the same.

Methods inherited from class com.itextpdf.kernel.crypto.securityhandler.StandardSecurityHandler

equalsArray, generateOwnerPasswordIfNullOrEmpty, getIsoBytes, getPermissions, isUsedOwnerPassword, setStandardHandlerDicEntries

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

encryptMetadata

             protected boolean encryptMetadata
            

Constructor Details

StandardHandlerUsingAes256

             public StandardHandlerUsingAes256
             (PdfDictionary encryptionDictionary, byte[] userPassword, byte[] ownerPassword, int permissions, boolean encryptMetadata, boolean embeddedFilesOnly, PdfVersion version)
            

StandardHandlerUsingAes256

             public StandardHandlerUsingAes256
             (PdfDictionary encryptionDictionary, byte[] password)
            

Method Details

isEncryptMetadata

             public boolean isEncryptMetadata()
            

setHashKeyForNextObject

             public void setHashKeyForNextObject
             (int objNumber, int objGeneration)
            

Description copied from class: SecurityHandler

Note: For most of the supported security handlers algorithm to calculate encryption key for particular object is the same.

Overrides:

setHashKeyForNextObject in class SecurityHandler

Parameters:

objNumber - number of particular object for encryption

objGeneration - generation of particular object for encryption

getEncryptionStream

             public OutputStreamEncryption getEncryptionStream
             (OutputStream os)
            

Specified by:

getEncryptionStream in class SecurityHandler

getDecryptor

             public IDecryptor getDecryptor()
            

Specified by:

getDecryptor in class SecurityHandler