org.mayanjun.util

Class AES

java.lang.Object

org.mayanjun.util.AES

public class AES
extends Object

AES utility. Note that this utility using

Since:

2019-08-20

Author:

mayanjun

Method Summary

Modifier and Type	Method and Description
static byte[]	decrypt(byte[] content, byte[] iv, byte[] key) Decrypt data
static byte[]	decrypt(String content, String iv, SecretKey key) Decrypt data
static byte[]	decrypt(String content, String iv, String key) Decrypt data
static String	decryptString(String content, byte[] iv, byte[] key) Encrypt data
static String	decryptString(String content, byte[] iv, SecretKey key) Encrypt data
static byte[]	encrypt(byte[] content, byte[] iv, byte[] key) Encrypt data
static String	encrypt(String content, String iv, SecretKey key) Encrypt data
static String	encrypt(String content, String iv, String key) Encrypt data
static String	encryptString(String content, byte[] iv, byte[] key) Encrypt data
static String	encryptString(String content, byte[] iv, SecretKey key) Encrypt data
static byte[]	generateIV() Generate init vector
static SecretKey	generateKey(String secretKey) Generate secret key

Methods inherited from class java.lang.Object

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

Method Detail

encrypt

public static byte[] encrypt(byte[] content,
                             byte[] iv,
                             byte[] key)

Encrypt data

Parameters:

content - data

iv - init vector

key - secret key

Returns:

encrypted data encoded in base64

decrypt

public static byte[] decrypt(byte[] content,
                             byte[] iv,
                             byte[] key)

Decrypt data

Parameters:

content - data

iv - init vector

key - secret key

Returns:

decrypted data

encrypt

public static String encrypt(String content,
                             String iv,
                             String key)

Encrypt data

Parameters:

content - data string in base64

iv - init vector in base64

key - encoded key in base64

Returns:

encrypted data encoded in base64

decrypt

public static byte[] decrypt(String content,
                             String iv,
                             String key)

Decrypt data

Parameters:

content - data string in base64

iv - init vector in base64

key - encoded key in base64

Returns:

decrypted data bytes

encrypt

public static String encrypt(String content,
                             String iv,
                             SecretKey key)

Encrypt data

Parameters:

content - data string in base64

iv - init vector in base64

key - secret key

Returns:

encrypted data encoded in base64

decrypt

public static byte[] decrypt(String content,
                             String iv,
                             SecretKey key)

Decrypt data

Parameters:

content - data string in base64

iv - init vector in base64

key - secret key

Returns:

decrypted data bytes

encryptString

public static String encryptString(String content,
                                   byte[] iv,
                                   SecretKey key)

Encrypt data

Parameters:

content - string data(plain)

iv - init vector

key - secret key

Returns:

encrypted data encoded in base64

decryptString

public static String decryptString(String content,
                                   byte[] iv,
                                   SecretKey key)

Encrypt data

Parameters:

content - string data in base64

iv - init vector

key - secret key

Returns:

plain data

encryptString

public static String encryptString(String content,
                                   byte[] iv,
                                   byte[] key)

Encrypt data

Parameters:

content - string data(plain)

iv - init vector

key - secret key

Returns:

encrypted data encoded in base64

decryptString

public static String decryptString(String content,
                                   byte[] iv,
                                   byte[] key)

Encrypt data

Parameters:

content - string data in base64

iv - init vector

key - secret key

Returns:

plain data

generateKey

public static SecretKey generateKey(String secretKey)
                             throws Exception

Generate secret key

Parameters:

secretKey - key string

Returns:

secret key

Throws:

Exception - throws internal exception

generateIV

public static byte[] generateIV()

Generate init vector

Returns:

iv bytes