Module org.sejda.sambox

Package org.sejda.sambox.encryption

Class AESEngineNoPadding

java.lang.Object

org.sejda.sambox.encryption.AESEngineNoPadding

All Implemented Interfaces:

AESEncryptionAlgorithmEngine, EncryptionAlgorithmEngine

Direct Known Subclasses:

ConcatenatingAESEngine

class AESEngineNoPadding
extends Object
implements AESEncryptionAlgorithmEngine

AES implementation of a EncryptionAlgorithmEngine with no pudding

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
AESEngineNoPadding(org.bouncycastle.crypto.BufferedBlockCipher cipher)

Method Summary

Modifier and Type	Method	Description
(package private) static AESEngineNoPadding	cbc()
(package private) static AESEngineNoPadding	ecb()
byte[]	encryptBytes(byte[] data, byte[] key)
byte[]	encryptBytes(byte[] data, byte[] key, byte[] iv)
InputStream	encryptStream(InputStream data, byte[] key)
InputStream	encryptStream(InputStream data, byte[] key, byte[] iv)
private void	init(byte[] key, byte[] iv)

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.BufferedBlockCipher cipher

Constructor Details

AESEngineNoPadding

AESEngineNoPadding(org.bouncycastle.crypto.BufferedBlockCipher cipher)

Method Details

encryptStream

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

Specified by:

encryptStream in interface AESEncryptionAlgorithmEngine

Returns:

a stream encrypted with the given key and initialization vector

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,
 byte[] iv)

Specified by:

encryptBytes in interface AESEncryptionAlgorithmEngine

Returns:

the byte array encrypted with the given key and initialization vector

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,
 byte[] iv)

cbc

static AESEngineNoPadding cbc()

Returns:

and instance of EncryptionAlgorithmEngine AES/CBC/NoPadding and no initialization vector

ecb

static AESEngineNoPadding ecb()

Returns:

and instance of EncryptionAlgorithmEngine AES/ECB/NoPadding and no initialization vector