Algorithm4

java.lang.Object

org.sejda.sambox.encryption.Algorithm4

All Implemented Interfaces:: PasswordAlgorithm

class Algorithm4 extends Object implements PasswordAlgorithm

Algorithm 4 as defined in Chap 7.6.3.4 of PDF 32000-1:2008

Field Summary

Fields

Modifier and Type

Field

Description

private final ARC4Engine

engine
Constructor Summary

Constructors

Constructor

Description

Algorithm4()
Method Summary

Modifier and Type

Method

Description

byte[]

computePassword(EncryptionContext context)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- engine
  
  private final ARC4Engine engine
Constructor Details
- Algorithm4
  
  Algorithm4()
Method Details
- computePassword
  
  public byte[] computePassword(EncryptionContext context)
  
  Specified by:
  
  computePassword in interface PasswordAlgorithm
  
  Returns:
  
  the computed password based on the given input security params