org.antfarmer.ejce

Class AbstractEncryptor<T extends AbstractEncryptor<T>>

java.lang.Object

org.antfarmer.ejce.AbstractEncryptor<T>

Type Parameters:

T - the concrete type of this encryptor object.

All Implemented Interfaces:

EncryptorInterface<T>

Direct Known Subclasses:

AbstractValueEncryptor

public abstract class AbstractEncryptor<T extends AbstractEncryptor<T>>
extends Object
implements EncryptorInterface<T>

Abstract class for encrypting/decrypting byte arrays.

Constructor Summary

Constructors

Constructor and Description
AbstractEncryptor()

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] bytes) Decrypts the byte array.
byte[]	decrypt(byte[] bytes, Key decKey) Decrypts the byte array using the given Key.
byte[]	encrypt(byte[] bytes) Encrypts the byte array.
byte[]	encrypt(byte[] bytes, Key encKey) Encrypts the byte array using the given Key.
AlgorithmParameters<?>	getAlgorithmParameters() Gets the algorithm parameters used for initialization.
void	initialize() Initializes the encryptor.
boolean	isInitialized() Indicates whether or not the encryptor has been initialized.
T	setAlgorithmParameters(AlgorithmParameters<?> parameters) Sets the algorithm parameters used for initialization.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.antfarmer.ejce.EncryptorInterface

getCharset

Constructor Detail

AbstractEncryptor

public AbstractEncryptor()

Method Detail

initialize

public void initialize()
                throws GeneralSecurityException

Initializes the encryptor. AlgorithmParameters must be set before calling this method.

Specified by:

initialize in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Throws:

GeneralSecurityException - GeneralSecurityException

encrypt

public byte[] encrypt(byte[] bytes)
               throws GeneralSecurityException

Encrypts the byte array.

Specified by:

encrypt in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Parameters:

bytes - the byte array to be encrypted

Returns:

the encrypted byte array

Throws:

GeneralSecurityException - GeneralSecurityException

encrypt

public byte[] encrypt(byte[] bytes,
                      Key encKey)
               throws GeneralSecurityException

Encrypts the byte array using the given Key.

Specified by:

encrypt in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Parameters:

bytes - the byte array to be encrypted

encKey - the encryption key

Returns:

the encrypted byte array

Throws:

GeneralSecurityException - GeneralSecurityException

decrypt

public byte[] decrypt(byte[] bytes)
               throws GeneralSecurityException

Decrypts the byte array.

Specified by:

decrypt in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Parameters:

bytes - the byte array to be decrypted

Returns:

the decrypted byte array

Throws:

GeneralSecurityException - GeneralSecurityException

decrypt

public byte[] decrypt(byte[] bytes,
                      Key decKey)
               throws GeneralSecurityException

Decrypts the byte array using the given Key.

Specified by:

decrypt in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Parameters:

bytes - the byte array to be decrypted

decKey - the decryption key

Returns:

the decrypted byte array

Throws:

GeneralSecurityException - GeneralSecurityException

isInitialized

public boolean isInitialized()

Indicates whether or not the encryptor has been initialized.

Specified by:

isInitialized in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Returns:

true if the encryptor has been initialized, false otherwise

setAlgorithmParameters

public T setAlgorithmParameters(AlgorithmParameters<?> parameters)

Sets the algorithm parameters used for initialization.

Specified by:

setAlgorithmParameters in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Parameters:

parameters - the algorithm parameters

Returns:

this encryptor

getAlgorithmParameters

public AlgorithmParameters<?> getAlgorithmParameters()

Gets the algorithm parameters used for initialization.

Specified by:

getAlgorithmParameters in interface EncryptorInterface<T extends AbstractEncryptor<T>>

Returns:

the algorithm parameters used for initialization