cn.t.util.security.message.encryption.aes

Class AesUtil

java.lang.Object

cn.t.util.security.message.encryption.aes.AesUtil

public class AesUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
AesUtil()

Method Summary

Modifier and Type	Method and Description
static Key	convertSecretKey(byte[] keyBytes) 转换encoded key
static byte[]	decrypt(byte[] content, byte[] secret, int length)
static byte[]	encrypt(byte[] content, byte[] secret, int length)
static Cipher	getCipher() get aes cipher

Methods inherited from class java.lang.Object

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

Constructor Detail

AesUtil

public AesUtil()

Method Detail

convertSecretKey

public static Key convertSecretKey(byte[] keyBytes)
                            throws InvalidKeyException,
                                   NoSuchAlgorithmException,
                                   InvalidKeySpecException

转换encoded key

Parameters:

keyBytes - xxx

Returns:

xxx

Throws:

InvalidKeyException - xxx

NoSuchAlgorithmException - xxx

InvalidKeySpecException - xxx

getCipher

public static Cipher getCipher()
                        throws NoSuchPaddingException,
                               NoSuchAlgorithmException

get aes cipher

Returns:

xxx

Throws:

NoSuchPaddingException - xxx

NoSuchAlgorithmException - xxx

encrypt

public static byte[] encrypt(byte[] content,
                             byte[] secret,
                             int length)
                      throws NoSuchProviderException,
                             NoSuchAlgorithmException,
                             InvalidKeySpecException,
                             InvalidKeyException,
                             BadPaddingException,
                             IllegalBlockSizeException,
                             NoSuchPaddingException

Throws:

NoSuchProviderException

NoSuchAlgorithmException

InvalidKeySpecException

InvalidKeyException

BadPaddingException

IllegalBlockSizeException

NoSuchPaddingException

decrypt

public static byte[] decrypt(byte[] content,
                             byte[] secret,
                             int length)
                      throws NoSuchProviderException,
                             NoSuchAlgorithmException,
                             InvalidKeySpecException,
                             InvalidKeyException,
                             BadPaddingException,
                             IllegalBlockSizeException,
                             NoSuchPaddingException

Throws:

NoSuchProviderException

NoSuchAlgorithmException

InvalidKeySpecException

InvalidKeyException

BadPaddingException

IllegalBlockSizeException

NoSuchPaddingException