springboot-base/src/main/java/cn/efunbox/base/util/EncryptUtils.java

package cn.efunbox.base.util;

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;

/**
 * EncryptUtils
 * Created by wangys on
 */
public class EncryptUtils {
    /**
     * 密钥
     */
    private static final String KEY = "GfqqwfctR8gdNGUS";// 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
     */
    private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";

//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050001/00103050001.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050002/00103050002.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050003/00103050003.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050004/00103050004.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050005/00103050005.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050011/00103050011.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050012/00103050012.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050013/00103050013.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050014/00103050014.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050015/00103050015.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050016/00103050016.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050017/00103050017.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050018/00103050018.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050019/00103050019.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050020/00103050020.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050021/00103050021.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050022/00103050022.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050023/00103050023.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050024/00103050024.m3u8";
//   private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050025/00103050025.m3u8";
  private static String content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050026/00103050026.m3u8";
    public static void main(String[] args) throws Exception {
        //content = "http://baidu-yuwen-video.ai160.com/vs2m/001/00103050/00103050001/00103050001.m3u8";
        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, KEY);

        System.out.println("解密后：" + decrypt);
    }

    /**
     * base 64 encode
     * @param bytes 待编码的byte[]
     * @return 编码后的base 64 code
     */
    private 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
     */
    private 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[]
     */
    private 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)  {
        String encode = null;
        try {
            encode = base64Encode(aesEncryptToBytes(content, KEY));
        } catch (Exception e) {
            e.printStackTrace();
        }
        return encode;
    }

    /**
     * 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,String secret)  {
        String encode = null;
        try {
            encode = base64Encode(aesEncryptToBytes(content, secret));
        } catch (Exception e) {
            e.printStackTrace();
        }
        return encode;
    }

    /**
     * AES解密
     *
     * @param encryptBytes 待解密的byte[]
     * @param decryptKey 解密密钥
     * @return 解密后的String
     */
    private 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
     * @param decryptKey 解密密钥
     * @return 解密后的string
     */
    public static String aesDecrypt(String encryptStr, String decryptKey) throws Exception {
        return StringUtils.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), decryptKey);
    }

}