From ffcc2407cba1b26a00e0a21b8e69e288ceb4fc3d Mon Sep 17 00:00:00 2001
From: insanity <insanity@loafle.com>
Date: Mon, 2 Jul 2018 21:10:49 +0900
Subject: [PATCH] sensorconfig encryption

---
 .../sensor/service/CentralSensorConfigService.java    | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java
index a235c42..2e327a0 100644
--- a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java
+++ b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java
@@ -73,12 +73,13 @@ public class CentralSensorConfigService {
     try {
       String sensorConfigJsonStr = this.objectMapper.writeValueAsString(sensorConfig);
       // gzip
-      ByteArrayOutputStream bos = new ByteArrayOutputStream();
+      ByteArrayOutputStream bos = new ByteArrayOutputStream(sensorConfigJsonStr.length());
       GZIPOutputStream gzip = new GZIPOutputStream(bos);
       gzip.write(sensorConfigJsonStr.getBytes("UTF-8"));
       gzip.flush();
       gzip.close();
       byte[] compressedByte = bos.toByteArray();
+      bos.close();
 
       // DES encryption
       Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
@@ -100,20 +101,20 @@ public class CentralSensorConfigService {
    * private String testDecrypt(String encryptKey, String encrypted) throws
    * OverflowException { try { byte[] inputBytes =
    * Base64.getDecoder().decode(encrypted);
-   * 
+   *
    * Cipher cipher = Cipher.getInstance("DES"); SecretKeyFactory keyFactory =
    * SecretKeyFactory.getInstance("DES"); DESKeySpec desKeySpec = new
    * DESKeySpec(encryptKey.getBytes()); cipher.init(Cipher.DECRYPT_MODE,
    * keyFactory.generateSecret(desKeySpec)); byte[] outputBytes =
    * cipher.doFinal(inputBytes);
-   * 
+   *
    * GZIPInputStream gis = new GZIPInputStream(new
    * ByteArrayInputStream(outputBytes)); BufferedReader bf = new
    * BufferedReader(new InputStreamReader(gis, "UTF-8")); String result = "";
    * String line; while ((line = bf.readLine()) != null) { result += line; }
-   * 
+   *
    * return result;
-   * 
+   *
    * } catch (Exception e) { throw new OverflowException("", e); } }
    */