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);
	}

}