Module org.sejda.sambox

Package org.sejda.sambox.encryption

Class ARC4Engine

java.lang.Object

org.sejda.sambox.encryption.ARC4Engine

All Implemented Interfaces:

EncryptionAlgorithmEngine

class ARC4Engine
extends Object
implements EncryptionAlgorithmEngine

ARC4 implementation of a EncryptionAlgorithmEngine

Field Summary

Fields

Modifier and Type	Field	Description
private final org.bouncycastle.crypto.StreamCipher	cipher

Constructor Summary

Constructors

Constructor	Description
ARC4Engine()

Method Summary

Modifier and Type	Method	Description
byte[]	encryptBytes(byte[] data, byte[] key)
InputStream	encryptStream(InputStream data, byte[] key)
private void	init(byte[] key)

Methods inherited from class java.lang.Object

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

Field Details

cipher

private final org.bouncycastle.crypto.StreamCipher cipher

Constructor Details

ARC4Engine

public ARC4Engine()

Method Details

encryptStream

public InputStream encryptStream(InputStream data,
 byte[] key)

Specified by:

encryptStream in interface EncryptionAlgorithmEngine

Parameters:

data - data to encrypt

Returns:

a stream where encrypted data can be read from

encryptBytes

public byte[] encryptBytes(byte[] data,
 byte[] key)

Specified by:

encryptBytes in interface EncryptionAlgorithmEngine

Parameters:

data - data to encrypt

Returns:

the encrypted data

init

private void init(byte[] key)