Substitution cipher Programm in Java.

import java.io.*;
import java.util.*;
class Cipher
{
    public static final String str="abcdefghijklmnopqrstuvwxyz";
    
    public static String encrypt(String plaint,int key)
    {
        plaint=plaint.toLowerCase();
        String ciphert="";
        for(int i=0;i<plaint.length();i++)


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By Hemdeep   Gamit  in Latest Technologies  on 8/25/2017 4:14:25 AM   Read more...


Batch programm to delete a file menually.

@echo off
color a
mode 100
set /p id=enter ID:
echo %id%
%id%:
dir
pause
set /p sfile=Select the folder!
cd %sfile%
dir
set /p dfile=Select the file which you wan''t to delete!
del /f %dfile%
echo %dfile%
echo "This is bat file"
pause


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By Hemdeep   Gamit  in Latest Technologies  on 6/25/2017 4:07:58 AM   Read more...


Steganography using cmd.

Type the following command in cmd.

copy /b image1.jpg+txtfile1.txt image2.jpg


To read the content behind the image type the following command.

copy /b image2.jpg txtfile2.txt


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By Hemdeep   Gamit  in Latest Technologies  on 6/25/2017 4:04:03 AM   Read more...


How to control wifi using android.

 

 

You have to root your android device.

This app can''''t crack a wifi password it just control the wifi. So you need to enter into the wifi network then you may able to run this app.

 

 

Now download the app wifikill.apk from the internet. This app is not available on play store so you need to download from third parties

.

 

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By Hemdeep   Gamit  in Latest Technologies  on 9/16/2016 1:48:03 AM   Read more...



How to make bootable pendrive using cmd.

First off all you have to run cmd as administrator mode.

Now insert your pendrive into your machine.

And type the following commands.

Diskpart

 

 

List disk              <- This command shows the portable storage device.

 

 

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By Hemdeep   Gamit  in Latest Technologies  on 1/21/2016 9:07:53 PM   Read more...



How to make an trojan horse virus to shutdown windows.

 

First of all right click on desktop -> New->shortcut

After that you can see the dialog box as given below.

 

 

 

 

 

In this dialog box type this text  (“Shutdown  –s  –t  5 –c  “Any comment”)

 

After that click on next button and this will...............


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By Hemdeep   Gamit  in Latest Technologies  on 10/4/2015 9:57:30 PM   Read more...


How to make an fake virus in notepad.

Type following code.

 


 @echo off

 pause

 color a

 mode 1000


  A:

 echo   %random%%random%%random%%random%%random%%random%%random%%random%%random%

 goto A

 

 

Save this file on desktop with (Filename).bat

For ex.       Fakevirus.bat


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By Hemdeep   Gamit  in Latest Technologies  on 9/29/2015 3:32:27 AM   Read more...


How to get wifi password using cmd.




This method only shows your connected wifi password.


First of all you have to open cmd as administrator then you show the text in cmd as like ..


c:\windows\system32\    Then type


c:\windows\system32\netsh     ->press enter

netsh>wlan        ->press enter

netsh  wlan>show profiles       -&...............


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By Hemdeep   Gamit  in Latest Technologies  on 9/29/2015 1:45:21 AM   Read more...


Basic TCP/IP configuration

 

                                                TCP/IP require IP address and subnet mask.

 

1:      ID address

             &nb...............


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By Hemdeep   Gamit  in Networking  on 9/16/2015 1:47:20 AM   Read more...


HashTable

A HashTable is a collection of key-value pairs implemented using a hash table algorithm.

Namespace : System.collections

Implementing Interfaces : ICollection,IDictionary

Characteristics:

i) Search is very fast.

ii) HashTables are big and fast.

iii) High Memory Usage.

iv) Type of Access is using the hash of a key value.

 

Example.

Module ModuleHashtable

        ...............


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By Hemdeep   Gamit  in VB.Net  on 3/24/2015 1:47:17 AM   Read more...