Package com.itextpdf.kernel.crypto.securityhandler

Class PubKeySecurityHandler

java.lang.Object

com.itextpdf.kernel.crypto.securityhandler.SecurityHandler

com.itextpdf.kernel.crypto.securityhandler.PubKeySecurityHandler

Direct Known Subclasses:

PubSecHandlerUsingAes128, PubSecHandlerUsingStandard40

 public abstract class PubKeySecurityHandler extends SecurityHandler 
      

Author:

Aiken Sam (aikensam@ieee.org)

Field Summary

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

extra, md5, mkey, nextObjectKey, nextObjectKeySize

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PubKeySecurityHandler()

Method Summary

Modifier and Type	Method	Description
protected void	addAllRecipients(Certificate[] certs, int[] permissions)
protected byte[]	computeGlobalKey(String messageDigestAlgorithm, boolean encryptMetadata)
protected static byte[]	computeGlobalKeyOnReading(PdfDictionary encryptionDictionary, PrivateKey certificateKey, Certificate certificate, String certificateKeyProvider, IExternalDecryptionProcess externalDecryptionProcess, boolean encryptMetadata, String digestAlgorithm)
protected PdfArray	createRecipientsArray()
protected abstract String	getDigestAlgorithm()
protected abstract void	initKey(byte[] globalKey, int keyLength)
protected void	initKeyAndFillDictionary(PdfDictionary encryptionDictionary, Certificate[] certs, int[] permissions, boolean encryptMetadata, boolean embeddedFilesOnly)
protected void	initKeyAndReadDictionary(PdfDictionary encryptionDictionary, Key certificateKey, Certificate certificate, String certificateKeyProvider, IExternalDecryptionProcess externalDecryptionProcess, boolean encryptMetadata)
protected abstract void	setPubSecSpecificHandlerDicEntries(PdfDictionary encryptionDictionary, boolean encryptMetadata, boolean embeddedFilesOnly)

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

getDecryptor, getEncryptionStream, setHashKeyForNextObject

Methods inherited from class java.lang.Object

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

Constructor Details

PubKeySecurityHandler

 protected PubKeySecurityHandler() 
            

Method Details

computeGlobalKey

 protected byte[] computeGlobalKey 
             (String messageDigestAlgorithm, boolean encryptMetadata) 
            

computeGlobalKeyOnReading

 protected static byte[] computeGlobalKeyOnReading 
             (PdfDictionary encryptionDictionary, PrivateKey certificateKey, Certificate certificate, String certificateKeyProvider, IExternalDecryptionProcess externalDecryptionProcess, boolean encryptMetadata, String digestAlgorithm) 
            

addAllRecipients

 protected void addAllRecipients 
             (Certificate[] certs, int[] permissions) 
            

createRecipientsArray

 protected PdfArray createRecipientsArray() 
            

setPubSecSpecificHandlerDicEntries

 protected abstract void setPubSecSpecificHandlerDicEntries 
             (PdfDictionary encryptionDictionary, boolean encryptMetadata, boolean embeddedFilesOnly) 
            

getDigestAlgorithm

 protected abstract String getDigestAlgorithm() 
            

initKey

 protected abstract void initKey 
             (byte[] globalKey, int keyLength) 
            

initKeyAndFillDictionary

 protected void initKeyAndFillDictionary 
             (PdfDictionary encryptionDictionary, Certificate[] certs, int[] permissions, boolean encryptMetadata, boolean embeddedFilesOnly) 
            

initKeyAndReadDictionary

 protected void initKeyAndReadDictionary 
             (PdfDictionary encryptionDictionary, Key certificateKey, Certificate certificate, String certificateKeyProvider, IExternalDecryptionProcess externalDecryptionProcess, boolean encryptMetadata)