Package eirb.pub.app.utils

Class Cipher

java.lang.Object

eirb.pub.app.utils.Cipher

public class Cipher
extends Object

Constructor Summary

Constructors

Constructor	Description
Cipher()

Method Summary

Modifier and Type	Method	Description
static byte[]	decryptAESCBC(byte[] cipher, Key key, InitializationVector iv)	Decryption with AES CBC
static byte[]	decryptAESECB(byte[] cipher, Key key)	Decryption with AES ECB
static byte[]	decryptRSAECB(byte[] cipher, Key key)
static byte[]	encryptAESCBC(byte[] plain, Key key, InitializationVector iv)	Encryption with AES CBC
static byte[]	encryptAESECB(byte[] plain, Key key)	Encryption with AES ECB
static byte[]	encryptRSAECB(byte[] plain, Key key)

Methods inherited from class java.lang.Object

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

Constructor Details

Cipher

public Cipher()

Method Details

encryptAESCBC

public static byte[] encryptAESCBC(byte[] plain,
 Key key,
 InitializationVector iv)
                            throws CipherException

Encryption with AES CBC

Parameters:

plain - byte to encrypt

key - Key to use for encryption

iv - Initialization vector to use for CBC

Returns:

encrypted bytes

Throws:

CipherException - if the encryption process failed

decryptAESCBC

public static byte[] decryptAESCBC(byte[] cipher,
 Key key,
 InitializationVector iv)
                            throws CipherException

Decryption with AES CBC

Parameters:

cipher - byte to decrypt

key - Key to use for decryption

iv - Initialization vector to use for CBC

Returns:

decrypted bytes

Throws:

CipherException - if the decryption process failed

encryptAESECB

public static byte[] encryptAESECB(byte[] plain,
 Key key)
                            throws CipherException

Encryption with AES ECB

Parameters:

plain - byte to encrypt

key - Key to use for encryption

Returns:

encrypted bytes

Throws:

CipherException - if the encryption process failed

decryptAESECB

public static byte[] decryptAESECB(byte[] cipher,
 Key key)
                            throws CipherException

Decryption with AES ECB

Parameters:

cipher - byte to decrypt

key - Key to use for decryption

Returns:

decrypted bytes

Throws:

CipherException - if the decryption process failed

encryptRSAECB

public static byte[] encryptRSAECB(byte[] plain,
 Key key)
                            throws CipherException

Throws:

CipherException

decryptRSAECB

public static byte[] decryptRSAECB(byte[] cipher,
 Key key)
                            throws CipherException

Throws:

CipherException