后端使用aes 加密

package com.midea.ccs.mobile.tools.impl;

import org.apache.commons.codec.binary.Hex;

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.security.Key;


public class AesUtil {
/**
* Description: 加密操作 <br>
*
* @param data 待加密数据
* @param key 密钥
* @return 加解密后的信息
* @throws Exception <br>
*/
public static byte[] encrypt(byte[] data, byte[] key)
throws Exception {
Key secretKey = new SecretKeySpec(key, "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, secretKey);
return cipher.doFinal(data);
}

/**
* Description: 解密操作 <br>
*
* @param data 待解密数据
* @param key 密钥
* @return 解密后的信息
* @throws Exception <br>
*/
public static byte[] decrypt(byte[] data, byte[] key)
throws Exception {
Key secretKey = new SecretKeySpec(key, "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.DECRYPT_MODE, secretKey);
return cipher.doFinal(data);
}

/**
* Description: 加密操作 <br>
*
* @param data 待加密数据
* @param key 密钥
* @return 加解密后的信息,16进制
* @throws Exception <br>
*/
public static String encryptHex(String data, String key)
throws Exception {
byte[] bytes = encrypt(data.getBytes(), key.getBytes());
return Hex.encodeHexString(bytes);
}

/**
* Description: 解密操作 <br>
*
* @param data 待解密数据
* @param key 密钥
* @return 解密后的信息,16进制
* @throws Exception <br>
*/
public static String decryptHex(String data, String key)
throws Exception {
byte[] datas = Hex.decodeHex(data.toCharArray());
byte[] bytes = decrypt(datas, key.getBytes());
return new String(bytes, "utf-8");
}


public static void main(String[] args) throws Exception {
//2f3e660c0ff68c9fcec4e1bd511c3d3e
String md5 = "067d1e0c2512a009";
String mobile = "15994583505";

String hex = encryptHex(mobile, md5);

decryptHex(hex, md5);

}

}

posted @ 2018-07-12 22:22  银飞仙  阅读(173)  评论(0编辑  收藏  举报