private void UpdateShannonEntropy(string pw)
{
double entropyInBits = EntropyCalcs.ShannonEntropy(pw);
this.ShannonEntropy = $"{LocMan.Get("Shannon entropy:")} {entropyInBits.ToString("F2")} {LocMan.Get("bits")}";
OnPropertyChanged(nameof(ShannonEntropy));
}
private void UpdatePasswordEntropy(string pw)
{
int entropyInBits = EntropyCalcs.CalcutePasswordEntropy(pw);
PasswordSecurityLevel level = EntropyCalcs.GetPasswordSecurityLevel(entropyInBits);
this.PasswordEntropy = $"{LocMan.Get("Password entropy:")} {entropyInBits} {LocMan.Get("bits")} ({level})";
OnPropertyChanged(nameof(PasswordEntropy));
}
public void GetPasswordSecurityLevelTest()
{
// Arrange
string first = "cat";
string second = "cat!24TBTB1214b!DF¤";
// Act
PasswordSecurityLevel securityLevelFirst = EntropyCalcs.GetPasswordSecurityLevel(EntropyCalcs.CalcutePasswordEntropy(first));
PasswordSecurityLevel securityLevelSecond = EntropyCalcs.GetPasswordSecurityLevel(EntropyCalcs.CalcutePasswordEntropy(second));
// Assert
Assert.AreEqual(PasswordSecurityLevel.Very_Weak, securityLevelFirst);
Assert.AreNotEqual(securityLevelFirst, securityLevelSecond);
}
public void CalcutePasswordEntropyTest()
{
// Arrange
string first = "cat";
string second = "cat";
string third = "Doggie";
// Act
int entropyFirst = EntropyCalcs.CalcutePasswordEntropy(first);
int entropySecond = EntropyCalcs.CalcutePasswordEntropy(second);
int entropyThird = EntropyCalcs.CalcutePasswordEntropy(third);
// Assert
Assert.AreEqual(entropyFirst, entropySecond);
Assert.AreNotEqual(entropyFirst, entropyThird);
}
