关于nodejs 怎么实现 crypto des加密

java的加密代码

public static String desEncrypt(String input, String keystr) throws Exception {
		try {
			byte[] datasource = input.getBytes(CHATSET);
			SecureRandom random = new SecureRandom();

			DESKeySpec desKey = new DESKeySpec(keystr.getBytes((CHATSET)));
			//创建一个密匙工厂，然后用它把DESKeySpec转换成
			SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
			SecretKey securekey = keyFactory.generateSecret(desKey);
			//Cipher对象实际完成加密操作
			Cipher cipher = Cipher.getInstance("DES");
			//用密匙初始化Cipher对象
			cipher.init(Cipher.ENCRYPT_MODE, securekey, random);
			//现在，获取数据并加密
			//正式执行加密操作
			return new sun.misc.BASE64Encoder().encode(cipher.doFinal(datasource)) ;
		} catch (Throwable e) {
			e.printStackTrace();
		}
		return null;
	}

转换为Nodejs

cipher = crypto.createCipher('des',key);
 return cipher.update(str,'utf8','base64') + cipher.final('base64');

但这样加密出来的java无法解析