org.postgresql

Class AESGCMUtil

java.lang.Object

org.postgresql.AESGCMUtil

public class AESGCMUtil
extends Object

This class provide encrypt and decrypt method.

Field Summary

Fields

Modifier and Type	Field and Description
static int	AES_KEY_SIZE
static int	GCM_IV_LENGTH
static int	GCM_TAG_LENGTH

Constructor Summary

Constructors

Constructor and Description
AESGCMUtil()

Method Summary

Modifier and Type	Method and Description
String	decryptGCM(String password, String encryptedtext)
String	encryptGCM(String password, String plaintext)
static SecretKeySpec	getSecretKeySpec(String password)

Methods inherited from class java.lang.Object

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

Field Detail

GCM_TAG_LENGTH

public static final int GCM_TAG_LENGTH

See Also:

Constant Field Values

GCM_IV_LENGTH

public static final int GCM_IV_LENGTH

See Also:

Constant Field Values

AES_KEY_SIZE

public static final int AES_KEY_SIZE

See Also:

Constant Field Values

Constructor Detail

AESGCMUtil

public AESGCMUtil()

Method Detail

encryptGCM

public String encryptGCM(String password,
                         String plaintext)

Parameters:

password: - secret key

plaintext: - clear text

Returns:

ciphertext

decryptGCM

public String decryptGCM(String password,
                         String encryptedtext)

Parameters:

password: - secret key

encryptedtext: - ciphertext

Returns:

clear text

getSecretKeySpec

public static SecretKeySpec getSecretKeySpec(String password)
                                      throws NoSuchAlgorithmException,
                                             UnsupportedEncodingException

Parameters:

password: - secret key

Returns:

AES private key

Throws:

NoSuchAlgorithmException

UnsupportedEncodingException