feat: fix buffer

src/main/java/me/hatter/tools/secureeditor/Main.java

@@ -58,6 +58,7 @@ public class Main {
             final byte[] encrypted = gcmCrypt(keyBytes, nonceBytes, true, resultBytes);
             writeFile(file, encrypted);
         }
+        System.exit(0);
     }
 
 
@@ -139,11 +140,10 @@ public class Main {
         final ByteArrayOutputStream baos = new ByteArrayOutputStream();
         final byte[] buffer = new byte[1024 * 8];
         try (FileInputStream fis = new FileInputStream(file)) {
-            final int len = fis.read(buffer);
-            if (len == -1) {
-                return baos.toByteArray();
+            int len;
+            while ((len = fis.read(buffer)) != -1) {
+                baos.write(buffer, 0, len);
             }
-            baos.write(buffer, 0, len);
         } catch (IOException e) {
             throw new RuntimeException("Read file: " + file + " failed: " + e.getMessage(), e);
         }