C# Program to Illustrate how User Authentication is Done

This C# Program Illustrates how User Authentication is Done. Here The program accepts the username and password. It checks whether the password is correct with respect to the username.

2. using System;

3. class program

4. {

5.     public static void Main()

6.     {

7.         char[] password = new char[10];

8.         char[] username = new char[10];

9.         char ch;

10.         int i;

12.         Console.WriteLine("Enter User name < 3 characters > : ");

13.         for (int x = 0; x < 8; x++)

14.         {

15.             username[x] = Convert.ToChar(Console.Read());

16.         }

17.         Console.WriteLine("Enter the password < any 8 characters>: ");

18.         for (i = 0; i < 8; i++)

19.         {

20.             ch = Convert.ToChar(Console.Read());

21.             password[i] = ch;

22.             ch = '*';

23.             Console.WriteLine("{0}", ch);

24.         }

25.         password[i] = '\0';

26.         Console.WriteLine("\n Your Password is :");

27.         for (i = 0; i < 8; i++)

28.         {

29.             Console.Write("{0}", password[i]);

30.         }

31.         Console.ReadLine();

32.         Console.ReadLine();

33.     }

34. }

Here is the output of the C# Program:

Enter User name < 3 characters > :
s
r
i
Enter the password < any 8 characters>:
*
s
*
*
*
r
*
*
*
i
*
 Your Password is :
s
r
i