Class DataEncryptionHelper

java.lang.Object

net.thevpc.common.swing.util.DataEncryptionHelper

public class DataEncryptionHelper
extends Object

Utility class for encrypting/decrypting files.

Author:

Taha BEN SALAH

Field Summary

Fields

Modifier and Type	Field	Description
static final int	AES_Key_Size

Constructor Summary

Constructors

Constructor	Description
DataEncryptionHelper()	Constructor: creates ciphers

Method Summary

Modifier and Type	Method	Description
void	decode(InputStream in, OutputStream out)
void	decodeFile(File in, File out)
<T> T	decodeObject(File in)
<T> T	decodeObject(InputStream in)
void	encode(InputStream in, OutputStream out, InputStream publicKeyFile, InputStream privateKeyFile)
void	encodeBytes(byte[] in, OutputStream out, File publicKeyFile, File privateKeyFile)
void	encodeFile(File in, File out)
void	encodeFile(File in, File out, File publicKeyFile, File privateKeyFile)
void	encodeObject(Object in, File out)
void	encodeObject(Object in, OutputStream out)
void	encodeObject(Object in, OutputStream out, File publicKeyFile, File privateKeyFile)
void	encodeObject(Object in, OutputStream out, InputStream publicKey, InputStream privateKey)
void	generateKeyPair(File publicKeyFile, File privateKeyFile)	/ File encryptedKeyFile = new File("encryptedKeyFile.key");

Methods inherited from class Object

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

Field Details

AES_Key_Size

public static final int AES_Key_Size

See Also:

• Constant Field Values

Constructor Details

DataEncryptionHelper

public DataEncryptionHelper()
                     throws GeneralSecurityException

Constructor: creates ciphers

Throws:

GeneralSecurityException

Method Details

generateKeyPair

public void generateKeyPair(File publicKeyFile,
 File privateKeyFile)
                     throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

/ File encryptedKeyFile = new File("encryptedKeyFile.key");

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

encodeObject

public void encodeObject(Object in,
 File out)
                  throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

encodeObject

public void encodeObject(Object in,
 OutputStream out)
                  throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

encodeObject

public void encodeObject(Object in,
 OutputStream out,
 File publicKeyFile,
 File privateKeyFile)
                  throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

encodeObject

public void encodeObject(Object in,
 OutputStream out,
 InputStream publicKey,
 InputStream privateKey)
                  throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

encodeBytes

public void encodeBytes(byte[] in,
 OutputStream out,
 File publicKeyFile,
 File privateKeyFile)
                 throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

encodeFile

public void encodeFile(File in,
 File out,
 File publicKeyFile,
 File privateKeyFile)
                throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

encodeFile

public void encodeFile(File in,
 File out)
                throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

decodeFile

public void decodeFile(File in,
 File out)
                throws GeneralSecurityException,
IOException

Throws:

GeneralSecurityException

IOException

encode

public void encode(InputStream in,
 OutputStream out,
 InputStream publicKeyFile,
 InputStream privateKeyFile)
            throws NoSuchAlgorithmException,
InvalidKeyException,
IOException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeyException

IOException

InvalidKeySpecException

decodeObject

public <T> T decodeObject(File in)
                   throws GeneralSecurityException,
IOException,
ClassNotFoundException

Throws:

GeneralSecurityException

IOException

ClassNotFoundException

decodeObject

public <T> T decodeObject(InputStream in)
                   throws GeneralSecurityException,
IOException,
ClassNotFoundException

Throws:

GeneralSecurityException

IOException

ClassNotFoundException

decode

public void decode(InputStream in,
 OutputStream out)
            throws GeneralSecurityException,
IOException

Throws:

GeneralSecurityException

IOException