Package net.sf.jstuff.core.security

Class AESEncryptor

java.lang.Object

net.sf.jstuff.core.security.AESEncryptor

public class AESEncryptor
extends Object

Encrypts byte arrays and serializable objects with passphrase-derived AES-GCM keys.

Author:

Sebastian Thomschke

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	AESEncryptor.AESSealedObject

Constructor Summary

Constructors

Constructor	Description
AESEncryptor(byte[] keySalt)
AESEncryptor(String keySalt)

Method Summary

Modifier and Type	Method	Description
byte[]	decrypt(byte[] data, String passphrase)
<T extends Serializable> T	deserialize(byte[] data, String passphrase)
byte[]	encrypt(byte[] data, String passphrase)
AESEncryptor.AESSealedObject	seal(Serializable object, String passphrase)
byte[]	serialize(Serializable object, String passphrase)
<T extends Serializable> T	unseal(AESEncryptor.AESSealedObject object, String passphrase)

Methods inherited from class java.lang.Object

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

Constructor Details

AESEncryptor

public AESEncryptor(byte[] keySalt)

AESEncryptor

public AESEncryptor(String keySalt)

Method Details

decrypt

public byte[] decrypt(byte[] data,
 String passphrase)
               throws SecurityException

Parameters:

data - first 12 bytes of the array expected to be the initialization vector

Throws:

SecurityException

deserialize

public <T extends Serializable> T deserialize(byte[] data,
 String passphrase)

encrypt

public byte[] encrypt(byte[] data,
 String passphrase)
               throws SecurityException

Returns:

first 12 bytes of the array are the initialization vector

Throws:

SecurityException

seal

public AESEncryptor.AESSealedObject seal(Serializable object,
 String passphrase)
                                  throws SecurityException

Throws:

SecurityException

serialize

public byte[] serialize(Serializable object,
 String passphrase)

unseal

public <T extends Serializable> T unseal(AESEncryptor.AESSealedObject object,
 String passphrase)
                                  throws SecurityException

Throws:

SecurityException