Encrypting,Decrypting

How To Hide Text Messages, Data  in Audio or Video Files using Encrypting,Decrypting Concept :

 Encode Message into an Audio File:

 Here What is Encrypiton:??

-Encryption is a process of translating a message, called the PlainText,into an encoded message, called the CipherText.

-InSort:>Encryption creates a CipherText from Your Original

message(PlainText). 

• Follow the  steps For Encryption Process

-You need to download Coagula for Windows to encode your message:

-Download From:http://hem.passagen.se/rasmuse/Coagula.htm

-First Create an image in Paint  Black background with White text which give better result.

 -The message I have used below:

-Save this image.

-Open Coagula,

And   go to File->Open Image and open the image which you have saved above.

-Click on Sound-> Render without Blue

-Then Wait till process has been completed.(Some Sound Occured).

-Click on File->Save Sound As. A .wav  file is now saved to your PC.

-The message is now encoded.

-Open  such  audio or video file.. that saved at what ever...!!!

-Than you have realise that Our  data was Encrpted  easily...!!!

Decode Message From Audio File :

Here What is Decryption:??

-decryption is the reverse process to Encryption.

-InSort->decryption creates a PlainText,  from a Ciphertext.

• Follow the  steps For Decryption Process

-You need to download Sonic Visualizer for Windows to decode your message:

-Download From:http://www.sonicvisualiser.org/download.html

-Go to File->Import Audio File and select the .wav file you have created from Coagula.

-Now click on Layer->Add Spectrogram. 

-Just Like This:

-Clicking on any option would work out.

-You can now adjust the side of the spectrogram to see the message clearly.

C program to shutdown or turn off computer:

C program to shutdown or turn off 

computer:

#include <stdio.h>

#include <stdlib.h>

main ()

{

char ch ;

printf ("Do you want to shutdown your computer now (y/n) \n ");

scanf ( "%c" ,&ch);

if (ch == 'y' || ch == 'Y')

system("C:\\WINDOWS\\System32\\shutdown -s"); // WindowsXP

//system("C:\\WINDOWS\\System32\\shutdown /s"); //Windows7

//system("shutdown -P now"); //Ubuntu Linux

return 0;

}

Note: To restart You can use /r instead of /s  .

Android

Install and Run Android 4.0 SDK 

and IceCream Sandwich On Your PC:

• Follow the  steps For to set up and install the Android 4.0 SDK on your PC:

• See Below::

-First Download the Android SDK (Software Development Kit)  

 
-from:  http://developer.android.com/sdk/index.html

-Now, open the folder  and run the “SDK Manager” application.

 -The application will load and fetch :

-When  SDK manger complete the loading process, Then  you can select    the packages.

-Here, I only select the “Android 4.0 (API 14)” and “Android SDK Platform-tools” .

  

 -Now Click on “Install  packages…”.

 -Then Click on the “Install” button and wait for download from internet and  install.

 -Click Finish and Close the SDK Manager,.

    

• Then Open Android SDK folder

   - run “AVD Manager”.

   -Click on “New”

   -Create a Virtual Device..

  -Then Click “OK” .

-Select the virtual device  and click on “Start”.

 












-Click on the “Launch” button.

-No need to change anything in the Launch Options..

 

-Then you will see the below screen where your Android device will  booting up.

-It  take around 5 minutes to boot when loading for the first time.

-Once your Android 4.0 loaded in Emulator, you will see the Welcome Screen.

Command Prompt Tricks

Top Command Prompt Tricks:

Hello Friends. 

Here Are A Few Commands For You  All To Know...

First Go:

• START<RUN<CMD

HERE ARE THOSE:

•   Command Prompt - cmd
•  On Screen Keyboard - osk
•  Change Color Formate In cmd - Color -a
•  Ip address- ipconfig
•  Add/Remove Programs - appwiz.cpl
•  Phone Dialer - dialer
•  Bluetooth Transfer Wizard - fsquirt
•  Calculator - calc
•  Certificate Manager - certmgr.msc
•  Clipboard Viewer - clipbrd
•  Notepad - notepad
•  Date and Time  - timedate.cpl
•  Device Manager - devmgmt.msc
•  Direct X Troubleshooter - dxdiag
•  HyperTerminal - hypertrm
•  Disk Management - diskmgmt.msc
•  Disk Partition Manager - diskpart
•  Display Properties - desk.cpl
•  Driver Verifier Utility - verifier
•  Phone and Modem Options - telephon.cpl
•  Remote Desktop - mstsc
•  Removable Storage - ntmsmgr.msc
•  Scanners and Cameras - sticpl.cpl
•  Security Center - wscui.cpl
•  Shared Folders - fsmgmt.msc
•  Shuts Down Windows - shutdown
•  Sounds and Audio - mmsys.cpl
•  System Configuration Utility - msconfig
•  System Information - msinfo32
•  Task Manager - taskmgr

1. 
   

Shut Down or Restart Another Computer:

Shut Down or Restart Another Computer:


You can  shut down or restart another computer on your network,  from your computer's Command Prompt...!!!


(1) first open command Prompt.

(2) Then type: shutdown/i  from Your Command Prompt..

(3) Which will Open the Remote Shutdown Dialog.That Shown..

(4) Than, just Enter the name of the Remote Computer or ip address..

(5) And Choose What you want to do like: restart or Shutdown.

(6) In OptionShutdown Event Tracker..

• -Select The Option that best describes why you want to Shutdown the computer.

• -Also add comment Like.."Your computer will shutdown in 5 seconds...ha ha ha ha ha.." 

(7) Select some other options and then click OK.

                                  This Trick is a Fun one.......!!!!!!

Tab Kamal

Automatically Complete Commands with Tab Completion:

                                                            

• Tab completion is Command Prompt trick that can save you lots of time, especially if your command has a file or folder name in it that you are not completely sure that.

• To use tab key in the Command Prompt, just enter the command and then the portion of the path that you do know,

• Then press the tab key over and over to get all of the available possibilities.

For example: if you want to change directories to some folder in the Windows directory;

but you are not sure what it is named. than, 

simply, apply this trick..........

(1)  Open the command prompt.

(2) Reach the path for Example, Type cd:\windows\

(3) And press tab Until you see the folder Which are you looking for.

(4) And Shift+Tab through we can go in reverse direction..

Google With Fun

  Fun With Google:

    (1) First  go to the Google home page.

         And Search "Google Gravity"

    (2) Click on the First Result that appears..ie."Google Gravity"

    (3) Wait For two seconds and Something cool will happen..

(4) If you follow such steps,Than you can see google page like this...

  
  
   (5) Play with it for a while.

   (6) Then write any word in the Google search bar and press Enter.

   (7) Wait and see..Something even cooler will happen..Ossam...!!!