Class StandaloneMacIntegrityProtector

java.lang.Object

com.itextpdf.kernel.mac.AbstractMacIntegrityProtector

com.itextpdf.kernel.mac.StandaloneMacIntegrityProtector

class StandaloneMacIntegrityProtector
extends AbstractMacIntegrityProtector

Class responsible for integrity protection in encrypted documents, which uses MAC container in the standalone mode.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private final class	StandaloneMacIntegrityProtector.StandaloneMacContainerEmbedder
private final class	StandaloneMacIntegrityProtector.StandaloneMacPdfObjectAdder

Field Summary

Fields

Modifier and Type	Field	Description
private MacPdfObject	macPdfObject

Fields inherited from class AbstractMacIntegrityProtector

document, fileEncryptionKey, kdfSalt, macProperties

Constructor Summary

Constructors

Constructor	Description
StandaloneMacIntegrityProtector(PdfDocument document, MacProperties macProperties)
StandaloneMacIntegrityProtector(PdfDocument document, PdfDictionary authDictionary)

Method Summary

Modifier and Type	Method	Description
private byte[]	createDocumentDigestAndMacContainer(byte[] documentBytes, long[] byteRange)
private void	embedMacContainerInTrailer()
private int	getContainerSizeEstimate()
private ByteArrayOutputStream	getDocumentByteArrayOutputStream()
(package private) void	prepareDocument()

Methods inherited from class AbstractMacIntegrityProtector

createMacContainer, digestBytes, digestBytes, generateRandomBytes, getKdfSalt, setFileEncryptionKey, setKdfSalt, validateMacToken

Methods inherited from class Object

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

Field Details

macPdfObject

private MacPdfObject macPdfObject

Constructor Details

StandaloneMacIntegrityProtector

StandaloneMacIntegrityProtector(PdfDocument document,
 MacProperties macProperties)

StandaloneMacIntegrityProtector

StandaloneMacIntegrityProtector(PdfDocument document,
 PdfDictionary authDictionary)

Method Details

prepareDocument

void prepareDocument()

embedMacContainerInTrailer

private void embedMacContainerInTrailer()
                                 throws IOException

Throws:

IOException

createDocumentDigestAndMacContainer

private byte[] createDocumentDigestAndMacContainer(byte[] documentBytes,
 long[] byteRange)
                                            throws IOException

Throws:

IOException

getContainerSizeEstimate

private int getContainerSizeEstimate()

getDocumentByteArrayOutputStream

private ByteArrayOutputStream getDocumentByteArrayOutputStream()