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
      

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, getMkey, getNextObjectKey, 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)