接口API中的敏感数据基于AES进行安全加密后返回

package com.test.utils;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

/**
 * @Author: LeeChao
 * @Date: 2018/7/5
 * @Describe: 加密工具类
 * @Modified By:
 */
public class EncryptUtil {

    public static final Logger LOGGER = LogManager.getLogger(EncryptUtil.class);

    // 此处使用AES-128-CBC加密模式，key需要为16位。
    private static final String AES_ENCRYPT_MODE = "AES/CBC/PKCS5Padding";

    // 16固定的偏移向量
    private static final String IV_PARAMETER = "1234567890abcdef";

    private final static String DES_ENCRYPT_MODE = "DES";

    /**
     * AES加密
     *
     * @param aesKey  加密用的Key 可以用26个字母和数字组成,
     * @param content
     * @return
     * @throws Exception
     */
    public static String aesEncrypt(String aesKey, String content) {
        // 初始化返回结果
        String result = null;
        try {
            Cipher cipher = Cipher.getInstance(AES_ENCRYPT_MODE);
            byte[] raw = aesKey.getBytes();
            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
            // 使用CBC模式，需要一个向量iv，可增加加密算法的强度
            IvParameterSpec iv = new IvParameterSpec(IV_PARAMETER.getBytes());
            cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);
            byte[] encrypted = cipher.doFinal(content.getBytes("utf-8"));
            // 此处使用BASE64做转码。
            result = new BASE64Encoder().encode(encrypted);
            // Base64加密后的换行符去掉
            result = result.replaceAll("\\r\\n", "").replaceAll("\r", "").replaceAll("\n", "");
        } catch (Exception e) {
            LOGGER.error("AES加密异常" + e);
        }
        return result;
    }

    /**
     * AES解密
     *
     * @param aesKey
     * @param content
     * @return
     * @throws Exception
     */
    public static String aesDecrypt(String aesKey, String content) {
        // 初始化返回结果
        String result = null;
        try {
            byte[] raw = aesKey.getBytes("ASCII");
            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
            Cipher cipher = Cipher.getInstance(AES_ENCRYPT_MODE);
            IvParameterSpec iv = new IvParameterSpec(IV_PARAMETER.getBytes());
            cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
            byte[] encrypted1 = new BASE64Decoder().decodeBuffer(content);//先用base64解密
            byte[] original = cipher.doFinal(encrypted1);
            result = new String(original, "utf-8");
        } catch (Exception e) {
            LOGGER.error("AES解密异常" + e);
        }
        return result;
    }

    /**
     * MD5散列为16位定长输出
     *
     * @param sourceStr
     * @return
     */
    public static String MD5(String sourceStr) {
        String result16 = "";
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(sourceStr.getBytes());
            byte b[] = md.digest();
            int i;
            StringBuffer buf = new StringBuffer("");
            for (int offset = 0; offset