de.innovationgate.utils.security

Class SymmetricEncryptionEngine

java.lang.Object

de.innovationgate.utils.security.SymmetricEncryptionEngine

public class SymmetricEncryptionEngine
extends java.lang.Object

engine to perform symmetric encryption by default a transformation of "AES/CBC/PKCS5Padding" with a 128bit key length is used

Constructor Summary

Constructors

Constructor and Description
SymmetricEncryptionEngine()

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	decrypt(byte[] input)
byte[]	decryptBase64Web(java.lang.String input)
byte[]	encrypt(byte[] input)
java.lang.String	encryptBase64Web(byte[] input)
javax.crypto.SecretKey	generateKey()
javax.crypto.Cipher	getDecryptionCipher()
javax.crypto.Cipher	getEncryptionCipher()
javax.crypto.spec.SecretKeySpec	getKeySpec()
java.lang.String	getTransformation()
void	init(byte[] key)

Methods inherited from class java.lang.Object

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

Constructor Detail

SymmetricEncryptionEngine

public SymmetricEncryptionEngine()

Method Detail

generateKey

public javax.crypto.SecretKey generateKey()
                                   throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException

init

public void init(byte[] key)
          throws java.security.GeneralSecurityException,
                 java.io.UnsupportedEncodingException

Throws:

java.security.GeneralSecurityException

java.io.UnsupportedEncodingException

encrypt

public byte[] encrypt(byte[] input)
               throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

decrypt

public byte[] decrypt(byte[] input)
               throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

encryptBase64Web

public java.lang.String encryptBase64Web(byte[] input)
                                  throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

decryptBase64Web

public byte[] decryptBase64Web(java.lang.String input)
                        throws java.security.GeneralSecurityException,
                               java.io.IOException

Throws:

java.security.GeneralSecurityException

java.io.IOException

getEncryptionCipher

public javax.crypto.Cipher getEncryptionCipher()
                                        throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

getDecryptionCipher

public javax.crypto.Cipher getDecryptionCipher()
                                        throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

getKeySpec

public javax.crypto.spec.SecretKeySpec getKeySpec()

getTransformation

public java.lang.String getTransformation()