diff --git a/app/src/main/java/lightcontainer/protocol/rules/reader/SavefileRule.java b/app/src/main/java/lightcontainer/protocol/rules/reader/SavefileRule.java
index 82aae71..f9afdad 100644
--- a/app/src/main/java/lightcontainer/protocol/rules/reader/SavefileRule.java
+++ b/app/src/main/java/lightcontainer/protocol/rules/reader/SavefileRule.java
@@ -11,6 +11,7 @@ import lightcontainer.utils.FileReceiver;
 import lightcontainer.utils.SHA;
 import lightcontainer.utils.ShaHasher;
 
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.NoSuchAlgorithmException;
@@ -41,7 +42,7 @@ public class SavefileRule extends ProtocolReader {
     public class Result extends ProtocolResult {
         // Variables
         private String filename;
-        private final int size;
+        private int size;
 
         // Construct
         public Result(Context context, String filename, int size) {
@@ -69,8 +70,9 @@ public class SavefileRule extends ProtocolReader {
                 String key = getContext().getAesKey();
                 String iv = AES_GCM.generateIV();
 
-                if (!fileReceiver.receiveFile(reader, this.filename, this.size, key, iv))
-                    throw new IOException();
+                // retrieve file and new size
+                int encryptedFileSize = fileReceiver.receiveFile(reader, this.filename, this.size, key, iv);
+                if (encryptedFileSize < 0) throw new IOException();
 
                 String fileHash = SHA.hashFile(storagePath, this.filename);
 
@@ -80,7 +82,7 @@ public class SavefileRule extends ProtocolReader {
                 getContext().putDataString("iv", iv);
                 getContext().putDataString("fileNameSalt", fileNameSalt);
 
-                this.setResultCommand(protocolRep.executeWriter(getContext(), SendfileRule.NAME, this.filename, String.valueOf(this.size), fileHash), ResultCmdReceiver.STOREBACKEND);
+                this.setResultCommand(protocolRep.executeWriter(getContext(), SendfileRule.NAME, this.filename, String.valueOf(encryptedFileSize), fileHash), ResultCmdReceiver.STOREBACKEND);
             } catch (IOException | SHA.ShaException e) {
                 this.setResultCommand(protocolRep.executeWriter(getContext(), SaveFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
                 e.printStackTrace();
diff --git a/app/src/main/java/lightcontainer/utils/AES_GCM.java b/app/src/main/java/lightcontainer/utils/AES_GCM.java
index c7b2dae..4b7f09f 100644
--- a/app/src/main/java/lightcontainer/utils/AES_GCM.java
+++ b/app/src/main/java/lightcontainer/utils/AES_GCM.java
@@ -44,7 +44,7 @@ public class AES_GCM {
         encryptStream(
             new FileInputStream(inFile),
             new FileOutputStream(outFile),
-                (int)inFile.length(),
+                inFile.length(),
                 IVFile,
                 keyFile
         );
@@ -52,7 +52,7 @@ public class AES_GCM {
         decryptStream(
             new FileInputStream(outFile),
             new FileOutputStream(clearFile),
-                (int)outFile.length(),
+                outFile.length(),
                 IVFile,
                 keyFile
         );
@@ -211,7 +211,7 @@ public class AES_GCM {
      *
      * @throws          AesGcmException Exception if an error occur.
      */
-    public static void encryptStream(InputStream in, OutputStream out, int fileSize, String key, String IV) throws AesGcmException {
+    public static void encryptStream(InputStream in, OutputStream out, long fileSize, String key, String IV) throws AesGcmException {
         byte[] buffer = new byte[1024];
         int currentSize = 0;
         int bytes;
@@ -266,7 +266,7 @@ public class AES_GCM {
      *
      * @throws          AesGcmException Exception if an error occur.
      */
-    public static void decryptStream(InputStream in, OutputStream out, int fileSize, String key, String IV) throws AesGcmException {
+    public static void decryptStream(InputStream in, OutputStream out, long fileSize, String key, String IV) throws AesGcmException {
         byte[] buffer = new byte[1024];
         int currentSize = 0;
         int bytes;
diff --git a/app/src/main/java/lightcontainer/utils/FileReceiver.java b/app/src/main/java/lightcontainer/utils/FileReceiver.java
index 50e1b8d..17b7513 100644
--- a/app/src/main/java/lightcontainer/utils/FileReceiver.java
+++ b/app/src/main/java/lightcontainer/utils/FileReceiver.java
@@ -1,17 +1,13 @@
 package lightcontainer.utils;
 
-import javax.crypto.Cipher;
-import java.io.BufferedOutputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
+import java.io.*;
 
 public class FileReceiver {
     private String path;
 
     public FileReceiver(String path) { this.path = path; }
 
-    public boolean receiveFile(InputStream input, String fileName, int fileSize, String key, String iv) {
+    public int receiveFile(InputStream input, String fileName, int fileSize, String key, String iv) {
         BufferedOutputStream bosFile = null;
 
         try {
@@ -21,11 +17,13 @@ public class FileReceiver {
 
             bosFile.flush();
             bosFile.close();
-            return true;
+
+            File f = new File(String.format("%s/%s", path, fileName));
+            return (int)f.length();
         } catch(IOException | AES_GCM.AesGcmException ex) {
             ex.printStackTrace();
             if(bosFile != null) { try { bosFile.close(); } catch(Exception e) {} }
-            return false;
+            return -1;
         }
     }
 
diff --git a/app/src/main/resources/appdata.json b/app/src/main/resources/appdata.json
index 3bc0c1b..372a838 100644
--- a/app/src/main/resources/appdata.json
+++ b/app/src/main/resources/appdata.json
@@ -1 +1,24 @@
-{"unicast_port":8000,"multicast_ip":"226.66.66.1","multicast_port":15502,"network_interface":"My network interface","tls":true,"storagePath":"D:\\ffe","users":[{"name":"endmove","password":"1f82407cace28cd7d97d23f82e8235d9da97575d033a12334fc71d3517f6a90fa04af829df3c722c38d3b68842e4ca2b","aes_key":"p0G+iViPp656O6aMKgcXSDT/e9/00wQH/ztUWf4tyr4=","passwordSalt":"ItYiXkwPa84Gwb6dGHQvXQ==","files":[{"name":"096a4b2f5673e1f1e1f4cb7e1a569f06cc31064f5dd254948f5d7c44769fd02a098f48ce60c333fae14cfcb29cacc87e","fileNameSalt":"v9ByBhvxds33+6Ha7c8oPQ==","size":12648,"iv":"OM9l2Rt6dqLDsGS3bQuuEQ==","storage":["lightcontainerSB01"]}]},{"name":"aaaaa","password":"5d628c274ebb008324f1e199d3bfff0a3fe839730a7f2355e82850d7acca5e5ca64db9071abf3d91034295695f84a617","aes_key":"qlTH6TijnfMRnrS0Qf+k6IPKGp5LoRMXGxCq16e+mF4=","passwordSalt":"Ns8Al6DpqPsIDlCSRBVTEg==","files":[]}]}
\ No newline at end of file
+{
+  "unicast_port": 8000,
+  "multicast_ip": "226.66.66.1",
+  "multicast_port": 15502,
+  "network_interface": "My network interface",
+  "tls": true,
+  "storagePath": "D:\\ffe",
+  "users": [
+    {
+      "name": "endmove",
+      "password": "1f82407cace28cd7d97d23f82e8235d9da97575d033a12334fc71d3517f6a90fa04af829df3c722c38d3b68842e4ca2b",
+      "aes_key": "p0G+iViPp656O6aMKgcXSDT/e9/00wQH/ztUWf4tyr4=",
+      "passwordSalt": "ItYiXkwPa84Gwb6dGHQvXQ==",
+      "files": []
+    },
+    {
+      "name": "aaaaa",
+      "password": "5d628c274ebb008324f1e199d3bfff0a3fe839730a7f2355e82850d7acca5e5ca64db9071abf3d91034295695f84a617",
+      "aes_key": "qlTH6TijnfMRnrS0Qf+k6IPKGp5LoRMXGxCq16e+mF4=",
+      "passwordSalt": "Ns8Al6DpqPsIDlCSRBVTEg==",
+      "files": []
+    }
+  ]
+}
\ No newline at end of file