Package com.itextpdf.kernel.crypto.securityhandler

Class StandardHandlerUsingStandard128

java.lang.Object

com.itextpdf.kernel.crypto.securityhandler.SecurityHandler

com.itextpdf.kernel.crypto.securityhandler.StandardSecurityHandler

com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingStandard40

com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingStandard128

Direct Known Subclasses:

StandardHandlerUsingAes128

 public class StandardHandlerUsingStandard128 extends StandardHandlerUsingStandard40 
      

Field Summary

Fields inherited from class com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingStandard40

arcfour, documentId, keyLength, metadataPad, pad

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
StandardHandlerUsingStandard128(PdfDictionary encryptionDictionary, byte[] password, byte[] documentId, boolean encryptMetadata)
StandardHandlerUsingStandard128(PdfDictionary encryptionDictionary, byte[] userPassword, byte[] ownerPassword, int permissions, boolean encryptMetadata, boolean embeddedFilesOnly, byte[] documentId)

Method Summary

Modifier and Type	Method	Description
protected void	calculatePermissions(int permissions)
protected void	computeGlobalEncryptionKey(byte[] userPad, byte[] ownerKey, boolean encryptMetadata)
protected byte[]	computeOwnerKey(byte[] userPad, byte[] ownerPad)
protected byte[]	computeUserKey()
protected boolean	isValidPassword(byte[] uValue, byte[] userKey)
protected void	setSpecificHandlerDicEntries(PdfDictionary encryptionDictionary, boolean encryptMetadata, boolean embeddedFilesOnly)

Methods inherited from class com.itextpdf.kernel.crypto.securityhandler.StandardHandlerUsingStandard40

computeUserPassword, getDecryptor, getEncryptionStream

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

equalsArray, generateOwnerPasswordIfNullOrEmpty, getIsoBytes, getPermissions, isUsedOwnerPassword, setStandardHandlerDicEntries

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

setHashKeyForNextObject

Methods inherited from class java.lang.Object

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

Constructor Details

StandardHandlerUsingStandard128

 public StandardHandlerUsingStandard128 
             (PdfDictionary encryptionDictionary, byte[] userPassword, byte[] ownerPassword, int permissions, boolean encryptMetadata, boolean embeddedFilesOnly, byte[] documentId) 
            

StandardHandlerUsingStandard128

 public StandardHandlerUsingStandard128 
             (PdfDictionary encryptionDictionary, byte[] password, byte[] documentId, boolean encryptMetadata) 
            

Method Details

calculatePermissions

 protected void calculatePermissions 
             (int permissions) 
            

Overrides:

calculatePermissions in class StandardHandlerUsingStandard40

computeOwnerKey

 protected byte[] computeOwnerKey 
             (byte[] userPad, byte[] ownerPad) 
            

Overrides:

computeOwnerKey in class StandardHandlerUsingStandard40

computeGlobalEncryptionKey

 protected void computeGlobalEncryptionKey 
             (byte[] userPad, byte[] ownerKey, boolean encryptMetadata) 
            

Overrides:

computeGlobalEncryptionKey in class StandardHandlerUsingStandard40

computeUserKey

 protected byte[] computeUserKey() 
            

Overrides:

computeUserKey in class StandardHandlerUsingStandard40

setSpecificHandlerDicEntries

 protected void setSpecificHandlerDicEntries 
             (PdfDictionary encryptionDictionary, boolean encryptMetadata, boolean embeddedFilesOnly) 
            

Overrides:

setSpecificHandlerDicEntries in class StandardHandlerUsingStandard40

isValidPassword

 protected boolean isValidPassword 
             (byte[] uValue, byte[] userKey) 
            

Overrides:

isValidPassword in class StandardHandlerUsingStandard40