private void EstablishAccount()
{
Console.Clear();
bool done = false;
while (!done)
{
string userName = "";
Console.Write("\nEnter a user name, then press (enter): ");
userName = Console.ReadLine();
// if the username is unique in the dictionary
if (!userAndPassword.ContainsKey(userName))
{
userAndPassword.Add(userName, null);
Console.Write("\nNow the password, then press (enter): ");
string password = HideTextAsEntered();
password += salt;
password += userName.GetHashCode();
password = CryptoStuff.GetHashedString(password);
//stores the hashed password into the dictionary
userAndPassword[userName] = password;
done = true;
}
else // If the username is already taken
{
var originalColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("\nThat username already exists!");
Console.ForegroundColor = originalColor;
Console.Write("\nWould you like to try again (y/n): ");
bool finished = false;
do
{
var answer = Console.ReadKey(true);
switch (answer.Key)
{
case ConsoleKey.Y:
Console.Write("y");
Console.WriteLine("\n\nGreat, try a different username this time!");
finished = true;
break;
case ConsoleKey.N:
Console.Write("n");
finished = true;
done = true;
break;
default:
break;
}
} while (!finished);
}
}
}
private void RealTimeHashDemo()
{
Console.Clear();
int initialConsoleWidth = Console.WindowWidth;
int hashLength = 128;
Console.CursorTop = hashLength / initialConsoleWidth + 2;
Console.WriteLine($"Enter your text below to see it hashed in real time:\n");
string toScreen = CryptoStuff.GetKeyPressesRealTimeHashDisplay();
}
private void AuthenticateUser()
{
Console.Clear();
Console.Write("\nEnter the username you want to authenticate: ");
string testUsername = Console.ReadLine();
if (userAndPassword.TryGetValue(testUsername, out string value))
{
var originalColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"Username {testUsername} is a registered user.\n");
Console.ForegroundColor = originalColor;
Console.Write("Enter the password: "******"The hascode for {testUsername} is {testUsername.GetHashCode()}");
string testHash = CryptoStuff.GetHashedString(testPassword);
if (testHash == userAndPassword[testUsername])
{
originalColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"User {testUsername} has been authenticated!");
Console.ForegroundColor = originalColor;
}
else
{
originalColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"User {testUsername} has NOT been authenticated!");
Console.ForegroundColor = originalColor;
}
Console.Write("\nEnter any key to continue: ");
Console.ReadKey();
}
else
{
var originalColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"\nUsername {testUsername} isn't a registered user.");
Console.ForegroundColor = originalColor;
Console.Write("\nEnter any key to continue: ");
Console.ReadKey();
}
}
