Package com.itextpdf.signatures.mac

Class SignatureMacIntegrityProtector

java.lang.Object

com.itextpdf.kernel.mac.AbstractMacIntegrityProtector

com.itextpdf.signatures.mac.SignatureMacIntegrityProtector

class SignatureMacIntegrityProtector
extends AbstractMacIntegrityProtector

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

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	SignatureMacIntegrityProtector.SignatureMacContainerEmbedder
private class	SignatureMacIntegrityProtector.SignatureMacPdfObjectAdder

Field Summary

Fields

Modifier and Type	Field	Description
private static IBouncyCastleFactory	BC_FACTORY
private static java.lang.String	ID_ATTR_PDF_MAC_DATA

Fields inherited from class com.itextpdf.kernel.mac.AbstractMacIntegrityProtector

document, fileEncryptionKey, kdfSalt, macProperties

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
private void	embedMacContainerInUnsignedAttributes(IASN1EncodableVector unsignedAttributes, java.io.InputStream documentInputStream, byte[] signature)
(package private) void	prepareDocument()

Methods inherited from class com.itextpdf.kernel.mac.AbstractMacIntegrityProtector

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

Methods inherited from class java.lang.Object

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

Field Detail

BC_FACTORY

private static final IBouncyCastleFactory BC_FACTORY

ID_ATTR_PDF_MAC_DATA

private static final java.lang.String ID_ATTR_PDF_MAC_DATA

See Also:

Constant Field Values

Constructor Detail

SignatureMacIntegrityProtector

SignatureMacIntegrityProtector(PdfDocument document,
                               MacProperties macProperties)

SignatureMacIntegrityProtector

SignatureMacIntegrityProtector(PdfDocument document,
                               PdfDictionary authDictionary)

Method Detail

prepareDocument

void prepareDocument()

embedMacContainerInUnsignedAttributes

private void embedMacContainerInUnsignedAttributes(IASN1EncodableVector unsignedAttributes,
                                                   java.io.InputStream documentInputStream,
                                                   byte[] signature)
                                            throws java.io.IOException

Throws:

java.io.IOException