package com.jeedan.rest.web;
//import com.feinno.notify.common.vo.MessageBodyRequest;
//import org.apache.commons.codec.binary.Base64;
//import org.apache.commons.lang.StringUtils;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang3.StringUtils;
import sun.misc.BASE64Decoder;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
public class AESEncryptUtil {
/**
* 密钥
*/
public static final String KEY = "1234567887654321";// AES加密要求key必须要128个比特位(这里需要长度为16,否则会报错)
/**
* 算法
*/
public static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";
/**
* base 64 encode
* @param bytes 待编码的byte[]
* @return 编码后的base 64 code
*/
public static String base64Encode(byte[] bytes){
return Base64.encodeBase64String(bytes);
}
/**
* base 64 decode
* @param base64Code 待解码的base 64 code
* @return 解码后的byte[]
* @throws Exception 抛出异常
*/
public static byte[] base64Decode(String base64Code) throws Exception{
return StringUtils.isEmpty(base64Code) ? null : new BASE64Decoder().decodeBuffer(base64Code);
}
/**
* AES加密
* @param content 待加密的内容
* @param encryptKey 加密密钥
* @return 加密后的byte[]
*/
public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception {
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128);
Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES"));
return cipher.doFinal(content.getBytes("utf-8"));
}
/**
* AES加密为base 64 code
*
* @param content 待加密的内容
* @return 加密后的base 64 code
*/
public static String aesEncrypt(String content) throws Exception {
return base64Encode(aesEncryptToBytes(content, KEY));
}
/**
* AES解密
*
* @param encryptBytes 待解密的byte[]
* @param decryptKey 解密密钥
* @return 解密后的String
*/
public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception {
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128);
Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES"));
byte[] decryptBytes = cipher.doFinal(encryptBytes);
return new String(decryptBytes);
}
/**
* 将base 64 code AES解密
*
*
* @param encryptStr 待解密的base 64 code
* @return 解密后的string
*/
public static String aesDecrypt( String encryptStr) throws Exception {
return StringUtils.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), KEY);
}
public static void main(String[] args) throws Exception {
String content = "{\"method\":\"get_order\",\"id\":\"1307980999944888320\"}";
System.out.println("加密前:" + content);
System.out.println("加密密钥和解密密钥:" + KEY);
String encrypt = aesEncrypt(content);
System.out.println("加密后:" + encrypt);
String decrypt = aesDecrypt(encrypt);
System.out.println("解密后:" + decrypt);
}
}