Rohos How-To center

Protect your Data by Steganography using Rohos Disk

 

 

 
 

Applies to: Windows XP/2000/2003, Rohos Disk encryption software.
Summary: Rohos Disk uses the principles of Steganography to completely hide the existence of your Sensitive Computer files inside any Media of AVI, MP3, MPG, WMV, WMA, OGG formats, and uses them as a Cover file.

What is Steganography?

Steganography refers to the method of sending messsages hidden on another connected or unconnected material in such a way that no one apart from the intended recipient knows of the existence of the Message.

A Steganographic messsage appears to be something other than the Message it sends and is usually hidden under a cover text, in such a way that even the existence of the message cannot be found   by anybody except the Person to whom it is sent.

The concept of Steganography is successfully used in Computer Information protection. An electronic  steganographic message is first encrypted in the normal way and then it is placed inside some cover text file, which cannot be found by anybody else.

Rohos Disk Intro

Though we have many  Software Programs for hiding Data files by using Steganography the Rohos Disk creates a Virtual encrypted Disk within a media File and is  mounted as a  real Disk Drive. The Rohos Disk encrypts the files automatically, in real time and the process is very transparent.

Virtual encrypted Disk that can be accessed by a Password, or by a unique method of using a USB flash-drive as a key.  

Rohos Disk - Features

Rohos Disk offers the facility of using the Virtual Disk as you use other normal Disks, and the changes effected in the Files are encrypted automatically in real Time thereby making your Files completely protected right from the moment they are created.  

When Virtual Disk work session is finished, no one can see the information or find it using Windows search feature and information can't be changed as it is stored on encrypted disk

The Rohos Disk works on the principle of Virtual Device creating feature in Windows, and uses VmWare for creating a virtual Computer inside of Windows. Another copy of Windows can be opened in VmWare Window and you can work there as you normally work in Windows. Neither installed Programs, nor even Windows will detect the changes made during such sessions.  

Rohos creates in Windows its own Virtual Drive and if necessary more than one Virtual Drive can be created. Rohos tells Windows about the new Device when the Virtual Disk is on, and the same can be used as a Physical Drive . When you put off the Computer or log off the Virtual Disk is turned off by Rohos and the Virtual Drive cannot be detected by Windows.

 Rohos uses the latest Virtual encrypted Disk Technology called the On-the-fly Data encryption. By this technology Windows transfers to Rohos Program all the Data you save on Virtual Disk automatically encrypting them. 

Steganography features in Rohos Disk

Rohos does not use 'redundant data' principle on the media file. Program modifies the contents of the media file at a level of its format instead at a level of bits. Though the media file becomes modified by it still can be opened and played in Media Player for about 5 minutes thereby maintaining its level of secrecy.

  • Rohos works with steganographic storage of encrypted Disk image in an AVI, MP3, MPG, WMV, WMA, OGG file.
  • Minumum media file size: 4 MB size.
  • Even after data has been placed inside the media files they remain playable and they can be moved from your PC to other PCs, CDs, and USB Flash Drives
  • The media file can be password protected.
  • The password can be stored on a USB Stick and it can be used as a physical key to open the steganography media file as Rohos Disk.
  • The data injected media file can be transferred and stored on an USB Disk so that the encrypted Media file can be accessed on other Computers.

    How to Hide Rohos Disk inside a Media File

    Rohos Disk uses the principles of Steganography to completely hide the existence of your Sensitive Computer files inside any Media of AVI, MP3, MPG, WMV, WMA, OGG formats, and uses them as a Cover file. Here is how you can do it

    1. Open the Rohos Center Window by Clicking on the Task bar Icon or on the Shortcut on your Desktop
      Hide disk into AVI file link
    2. Click on the Hide Secure Disk Menu Item in the Main Window to get the Create New Rohos Disk Window
    3. Click on the Choose Media File Option to Select the Media file to be used for Hiding the Rohos Disk, to browse and select the Media file.
      Steganography dialog - hide Rohos disk into AVI.MP3 media file.

      Once the media file is selected, the program calculates disk size and letter.

      You have the option to select another media File by clicking on the Link Choose another file. Minimum files size is 3 Mb.

    4. Specify disk password.
    5. Click on the Create Disk Button, and your Rohos Disk is safely placed inside the Media File you have chosen and it cannot be opened by anybody without the Password.

    Conclusion

    Thus the Rohos Disk has very advanced steganography features that effectively conceal your sensitive data inside a wide variety of Media files that can be played even after the injection of the data offering foolproof security to your Data. The data stored in an encrypted form inside a totally unrelated media file can never be accessed by anybody offering the highest Data Security to your sensitive Data.

    Top of page


  • Go back to How-To center

    Why to use USB flash drive to lock Windows desktop?

    View Demo movie about Rohos Disk. Creating, using, fast access and more...

     


    Free 30-day trial:
    Download Rohos 1090 Kb, for Windows 2000/XP/2003.
     
     
         
       
    Copyright © 2005-2006 Teslain. All rights reserved.