public void TestMinMaxIDs()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
Assert.IsTrue(!String.IsNullOrEmpty(passwordManager.CreatePassword(0)));
Assert.IsTrue(!String.IsNullOrEmpty(passwordManager.CreatePassword(uint.MinValue)));
Assert.IsTrue(!String.IsNullOrEmpty(passwordManager.CreatePassword(uint.MaxValue)));
}
public void TestMinMaxIDs()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
Assert.IsTrue(!String.IsNullOrEmpty(passwordManager.CreatePassword(0)));
Assert.IsTrue(!String.IsNullOrEmpty(passwordManager.CreatePassword(uint.MinValue)));
Assert.IsTrue(!String.IsNullOrEmpty(passwordManager.CreatePassword(uint.MaxValue)));
}
public void TestTimeValidity()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
// Check current time prior to pass creation
mockTime.Time = 1000;
string pass1 = passwordManager.CreatePassword(1);
mockTime.Time -= 1;
Assert.IsFalse(passwordManager.IsPasswordValid(1, pass1));
// Check max valid time
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity;
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass1));
// Check max valid time plus 1 ms
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity + 1;
Assert.IsFalse(passwordManager.IsPasswordValid(1, pass1));
// Check time validity increment when generating password to the same user
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity;
string pass2 = passwordManager.CreatePassword(1);
Assert.AreEqual(pass1, pass2);
mockTime.Time += passwordManager.TimeValidity;
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass1));
// Check creating a new pass when time is expired gives a different pass
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity + 1;
pass2 = passwordManager.CreatePassword(1);
Assert.AreNotEqual(pass1, pass2);
mockTime.Time += passwordManager.TimeValidity;
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass2));
}
public void TestExpiredPasswordsDeletion()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
mockTime.Time = 1000;
string pass1 = passwordManager.CreatePassword(1);
string pass2 = passwordManager.CreatePassword(2);
string pass3 = passwordManager.CreatePassword(3);
mockTime.Time += passwordManager.TimeValidity + 1;
string pass4 = passwordManager.CreatePassword(4);
string pass5 = passwordManager.CreatePassword(5);
Assert.IsTrue(passwordManager.NumPasswordsStored == 5);
passwordManager.RemoveExpiredPasswords();
Assert.IsTrue(passwordManager.NumPasswordsStored == 3);
}
public void TestExpiredPasswordsDeletion()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
mockTime.Time = 1000;
string pass1 = passwordManager.CreatePassword(1);
string pass2 = passwordManager.CreatePassword(2);
string pass3 = passwordManager.CreatePassword(3);
mockTime.Time += passwordManager.TimeValidity + 1;
string pass4 = passwordManager.CreatePassword(4);
string pass5 = passwordManager.CreatePassword(5);
Assert.IsTrue(passwordManager.NumPasswordsStored == 5);
passwordManager.RemoveExpiredPasswords();
Assert.IsTrue(passwordManager.NumPasswordsStored == 3);
}
public void TestOneTimeValidity()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
Assert.IsTrue(passwordManager.NumPasswordsStored == 0);
string pass1 = passwordManager.CreatePassword(1);
Assert.IsTrue(passwordManager.NumPasswordsStored == 1);
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass1));
Assert.IsTrue(passwordManager.NumPasswordsStored == 0);
Assert.IsFalse(passwordManager.IsPasswordValid(1, pass1));
}
public static void Main(string[] args)
{
IPasswordManager passwordManager = new PasswordManager(new PasswordGenerator());
while (true)
{
Console.WriteLine("Please make a choice:");
Console.WriteLine("Enter 1 to generate password");
Console.WriteLine("Enter 2 to log in");
Console.WriteLine("Enter 3 to exit");
Console.Write("Option: ");
var option = Console.ReadLine();
if (string.IsNullOrEmpty(option))
{
option = "3";
}
if (IsNumber(option))
{
string id;
string password;
var number = int.Parse(option);
switch (number)
{
case 1:
Console.Write("Please enter a user id: ");
id = Console.ReadLine();
password = passwordManager.CreatePassword(id);
Console.WriteLine("Generated password for {0} is: {1}", id, password);
break;
case 2:
Console.Write("Please enter user id:");
id = Console.ReadLine();
Console.Write("Please enter password:"******"Password valid: {0}", passwordManager.IsPasswordCorrectAndValid(id, password));
break;
case 3:
return;
default:
Console.WriteLine("Invalid option. Please try again.");
break;
}
}
}
}
static void DoCreateNewPassword()
{
uint?id = ParseUser();
if (id == null)
{
return;
}
string pass = sPasswordManager.CreatePassword(id.Value);
Console.WriteLine("Password for user " + id + " is '" + pass + "'");
}
public void TestOneTimeValidity()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
Assert.IsTrue(passwordManager.NumPasswordsStored == 0);
string pass1 = passwordManager.CreatePassword(1);
Assert.IsTrue(passwordManager.NumPasswordsStored == 1);
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass1));
Assert.IsTrue(passwordManager.NumPasswordsStored == 0);
Assert.IsFalse(passwordManager.IsPasswordValid(1, pass1));
}
public void TestTimeValidity()
{
var mockTime = new MockTimeManager();
var passwordManager = new PasswordManager(mockTime);
// Check current time prior to pass creation
mockTime.Time = 1000;
string pass1 = passwordManager.CreatePassword(1);
mockTime.Time -= 1;
Assert.IsFalse(passwordManager.IsPasswordValid(1, pass1));
// Check max valid time
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity;
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass1));
// Check max valid time plus 1 ms
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity + 1;
Assert.IsFalse(passwordManager.IsPasswordValid(1, pass1));
// Check time validity increment when generating password to the same user
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity;
string pass2 = passwordManager.CreatePassword(1);
Assert.AreEqual(pass1, pass2);
mockTime.Time += passwordManager.TimeValidity;
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass1));
// Check creating a new pass when time is expired gives a different pass
mockTime.Time = 1000;
pass1 = passwordManager.CreatePassword(1);
mockTime.Time += passwordManager.TimeValidity + 1;
pass2 = passwordManager.CreatePassword(1);
Assert.AreNotEqual(pass1, pass2);
mockTime.Time += passwordManager.TimeValidity;
Assert.IsTrue(passwordManager.IsPasswordValid(1, pass2));
}
private byte[] GetPasswordHash(string login, string password)
{
return(PasswordManager.CreatePassword(login, password));
}
