/*=================================================================================================
* CONSTANTS
*================================================================================================*/
/*PUBLIC******************************************************************************************/
/*PRIVATE*****************************************************************************************/
/*=================================================================================================
* FIELDS
*================================================================================================*/
/*PUBLIC******************************************************************************************/
/*PRIVATE*****************************************************************************************/
/*=================================================================================================
* PROPERTIES
*================================================================================================*/
/*PUBLIC******************************************************************************************/
/*PRIVATE*****************************************************************************************/
/*=================================================================================================
* CONSTRUCTORS
*================================================================================================*/
/*=================================================================================================
* PUBLIC METHODS
*================================================================================================*/
/*************************************************************************************************/
public static PasswordComplexityLevel checkEffectiveBitSize(int passSize, string pass)
{
int charSet = 0;
PasswordComplexityLevel passStrength = PasswordComplexityLevel.Weak;
charSet = getCharSetUsed(pass);
double result = Math.Log(Math.Pow(charSet, passSize)) / Math.Log(2);
if (result <= 32)
{
passStrength = PasswordComplexityLevel.Weak;
}
else if (result <= 64)
{
passStrength = PasswordComplexityLevel.Mediocre;
}
else if (result <= 128)
{
passStrength = PasswordComplexityLevel.Ok;
}
else if (result > 128)
{
passStrength = PasswordComplexityLevel.Great;
}
return(passStrength);
}
/*************************************************************************************************/
public void DisplayPasswordComplexity(PasswordComplexityLevel complexity)
{
switch (complexity)
{
case PasswordComplexityLevel.Weak:
createPasswordTextBox.ForeColor = Color.Red;
break;
case PasswordComplexityLevel.Mediocre:
createPasswordTextBox.ForeColor = Color.Orange;
break;
case PasswordComplexityLevel.Ok:
createPasswordTextBox.ForeColor = Color.YellowGreen;
break;
case PasswordComplexityLevel.Great:
createPasswordTextBox.ForeColor = Color.Green;
break;
default:
createPasswordTextBox.ForeColor = Color.FromArgb(242, 242, 242);
break;
}
}
/*************************************************************************************************/
private void CalculatePasswordComplexity(string password)
{
PasswordComplexityLevel passwordComplexityLevel = PasswordComplexityLevel.Weak;
passwordComplexityLevel = PasswordComplexity.checkEffectiveBitSize(password.Length, password);
_loginView.DisplayPasswordComplexity(passwordComplexityLevel);
}
/*=================================================================================================
* PUBLIC METHODS
*================================================================================================*/
/*************************************************************************************************/
/*=================================================================================================
* PRIVATE METHODS
*================================================================================================*/
/*************************************************************************************************/
private void PasswordTextChanged(string passwordText)
{
PasswordComplexityLevel passwordComplexityLevel = PasswordComplexityLevel.Weak;
passwordComplexityLevel = PasswordComplexity.checkEffectiveBitSize(passwordText.Length, passwordText);
_changePasswordView.DisplayPasswordComplexity(passwordComplexityLevel);
}
/*************************************************************************************************/
public void DisplayPasswordComplexity(PasswordComplexityLevel complexity)
{
switch (complexity)
{
case PasswordComplexityLevel.Weak:
passwordStrengthProgressBar.ForeColor = Color.Red;
passwordStrengthProgressBar.BackColor = Color.Red;
passwordStrengthProgressBar.Value = 25;
passwordStrengthLabel.Text = "Weak";
break;
case PasswordComplexityLevel.Mediocre:
passwordStrengthProgressBar.ForeColor = Color.Orange;
passwordStrengthProgressBar.BackColor = Color.Orange;
passwordStrengthProgressBar.Value = 50;
passwordStrengthLabel.Text = "Mediocre";
break;
case PasswordComplexityLevel.Ok:
passwordStrengthProgressBar.ForeColor = Color.YellowGreen;
passwordStrengthProgressBar.BackColor = Color.YellowGreen;
passwordStrengthProgressBar.Value = 75;
passwordStrengthLabel.Text = "Ok";
break;
case PasswordComplexityLevel.Great:
passwordStrengthProgressBar.ForeColor = Color.Green;
passwordStrengthProgressBar.BackColor = Color.Green;
passwordStrengthProgressBar.Value = 100;
passwordStrengthLabel.Text = "Great";
break;
default:
passwordStrengthProgressBar.ForeColor = Color.Red;
passwordStrengthProgressBar.BackColor = Color.Red;
passwordStrengthProgressBar.Value = 1;
passwordStrengthLabel.Text = "Weak";
break;
}
}