Skip to main content

Posts

Showing posts from 2016

My First Cryptosystem.

 This is my first Cryptosystem.You must enter word what you want to encrypt and key word.This program convert that all words to ASCII values and key word last character ASCII value add for what you enter word.Then again subtract 127 and again convert that values to character and print. When we want to decrypt that encrypt word this program do "Converse" of encrypt hang. This is  My First Cryptosystem and I use it Java language. import java.util.*; public class Security{     public static void main(String  args[]){         Scanner td = new Scanner(System.in);         System.out.println("        If you want to Encrypt press 1 ");         System.out.println("        If you want to Decrypt press 2 ");         System.out.print("        Enter nu...

Challengers & Solutions for what we have to face when we design a Security System.

Security Systems play major roll in Computer technology world.When we create a security system we have to think many things. When we create a System or Software, specially Security System we must think about how hackers attack to our System.Firstly we must think like hacker, because then we can our weak places in our System.Specially we must think how protect our System in Cyber attacks.We create Security Systems for Companies.They have lot of data then we must think how protect that data from out side hackers and company members. When we create Security System we have responsibility use to latest technology, coding methods & Algorithms.Not only that we must update this Systems.Because technology update every day. We can use Finger print machine to access  to the Security System.Because finger mark is difference man to man. We must use strong network system.When we use weakness network system then another persons can access our Security System. Specially who is contro...
          Security measures that you need to be taken when use an internet browser ...                                          O f  all the software out there, browsers are the most exposed and information rich. If a malicious hacker manages to break in, he can find out just about anything about you: address, credit card data, emails, passwords, browsing history, bookmarks etc. Browser features and their security vulnerabilities Deactivate ActiveX Try to disable JavaScript Delete Cookies     Browser extensions and add-ons   How to block ads, popups with Adblock Plus. AdBlock Plus  is a well-known browser extension that blocks ads and popups from interfering with your browser experience. Consider this as an alternati...

After Graduated I'm ?....

                       Now I'm following Computer Science   degree at University of Jaffna. It will finish in 2020. After that I decided to start my own Software Company . Because I want to do a thing from my own.                         Firstly my company must try to make firmness in my country as a Good Software Company.Therefore I must develop good Softwares.I want to give jobs for who graduated in my country and make better place work to them freely.                      My main target is Foreign Business Market. Because I want to bring foreign exchange to my country to help to develop my country.