net.e6tech.elements.security

Class SymmetricCipher

java.lang.Object

net.e6tech.elements.security.SymmetricCipher

public class SymmetricCipher
extends java.lang.Object

Created by futeh.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ALGORITHM_AES

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SymmetricCipher(java.lang.String algorithm, java.lang.String mode, java.lang.String padding, int keyLength)

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(javax.crypto.SecretKey key, java.lang.String encrypted, java.lang.String initVector)
byte[]	decryptBytes(javax.crypto.SecretKey key, byte[] encrypted, byte[] initVector)
java.lang.String	encrypt(javax.crypto.SecretKey key, byte[] plain, java.lang.String iv)
byte[]	encryptBytes(javax.crypto.SecretKey key, byte[] plain, byte[] initVector)
java.lang.String	generateIV()
byte[]	generateIVBytes()
javax.crypto.SecretKey	generateKeySpec()
java.lang.String	getAlgorithm()
static SymmetricCipher	getInstance(java.lang.String algorithm)
static SymmetricCipher	getInstance(java.lang.String algorithm, int keyLength)
static SymmetricCipher	getInstance(java.lang.String algorithm, java.lang.String mode, java.lang.String padding, int keyLength)
javax.crypto.SecretKey	getKeySpec(byte[] bytes)
static void	initialize()
boolean	isBase64()
void	setBase64(boolean base64)
byte[]	toBytes(java.lang.String string)
java.lang.String	toString(byte[] bytes)

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM_AES

public static final java.lang.String ALGORITHM_AES

See Also:

Constant Field Values

Constructor Detail

SymmetricCipher

protected SymmetricCipher(java.lang.String algorithm,
                          java.lang.String mode,
                          java.lang.String padding,
                          int keyLength)

Method Detail

getInstance

public static SymmetricCipher getInstance(java.lang.String algorithm)

getInstance

public static SymmetricCipher getInstance(java.lang.String algorithm,
                                          int keyLength)

getInstance

public static SymmetricCipher getInstance(java.lang.String algorithm,
                                          java.lang.String mode,
                                          java.lang.String padding,
                                          int keyLength)

getAlgorithm

public java.lang.String getAlgorithm()

initialize

public static void initialize()

isBase64

public boolean isBase64()

setBase64

public void setBase64(boolean base64)

toBytes

public byte[] toBytes(java.lang.String string)

toString

public java.lang.String toString(byte[] bytes)

encrypt

public java.lang.String encrypt(javax.crypto.SecretKey key,
                                byte[] plain,
                                java.lang.String iv)
                         throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

encryptBytes

public byte[] encryptBytes(javax.crypto.SecretKey key,
                           byte[] plain,
                           byte[] initVector)
                    throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

decrypt

public byte[] decrypt(javax.crypto.SecretKey key,
                      java.lang.String encrypted,
                      java.lang.String initVector)
               throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

decryptBytes

public byte[] decryptBytes(javax.crypto.SecretKey key,
                           byte[] encrypted,
                           byte[] initVector)
                    throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

generateKeySpec

public javax.crypto.SecretKey generateKeySpec()

getKeySpec

public javax.crypto.SecretKey getKeySpec(byte[] bytes)

generateIVBytes

public byte[] generateIVBytes()

generateIV

public java.lang.String generateIV()