org.sejda.sambox.encryption

Class EncryptionContext

java.lang.Object

org.sejda.sambox.encryption.EncryptionContext

public final class EncryptionContext
extends Object

Context holding the current state of the encryption

Author:

Andrea Vacondio

Field Summary

Fields

Modifier and Type	Field and Description
StandardSecurity	security

Constructor Summary

Constructors

Constructor and Description
EncryptionContext(StandardSecurity security)

Method Summary

Modifier and Type	Method and Description
void	documentId(byte[] documentId) Sets the document ID to use in those algorithms requiring it.
GeneralEncryptionAlgorithm	encryptionAlgorithm()
static GeneralEncryptionAlgorithm	encryptionAlgorithmFromEncryptionDictionary(COSDictionary enc, byte[] encryptionKey)

Methods inherited from class java.lang.Object

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

Field Detail

security

public final StandardSecurity security

Constructor Detail

EncryptionContext

public EncryptionContext(StandardSecurity security)

Method Detail

documentId

public void documentId(byte[] documentId)

Sets the document ID to use in those algorithms requiring it.

Parameters:

documentId -

encryptionAlgorithm

public GeneralEncryptionAlgorithm encryptionAlgorithm()

encryptionAlgorithmFromEncryptionDictionary

public static GeneralEncryptionAlgorithm encryptionAlgorithmFromEncryptionDictionary(COSDictionary enc,
                                                                                     byte[] encryptionKey)

Parameters:

enc -

Returns:

a GeneralEncryptionAlgorithm generated using the given encryption algorithm or null if unable to generate.