protected string RetString(GetString dlg, int NeededLength)
{
string Retme = "";
dlg.Text = "Password must be longer than " + NeededLength + " chars";
if (dlg.ShowDialog() == DialogResult.OK) {
if (dlg.Password.Length > NeededLength) {
Retme = dlg.Password;
}
else {
MessageBox.Show("Password must be longer than " + NeededLength + " chars");
dlg.ClearPass();
Retme = RetString(dlg);
}
}
return Retme;
}
protected string PromptForBCryptHashGeneration()
{
string Original="",Retme = "";
GetString dlg = new GetString();
dlg.Text = "Enter Password >20 chars";
dlg.ShowDialog();
if (dlg.DialogResult == DialogResult.OK) {
if (dlg.Password.Length > 20) {
Retme = dlg.Password;
}
else {
MessageBox.Show("Password must be longer than 20 chars");
dlg.ClearPass();
Retme = RetString(dlg);
}
string salt = BCrypt.Net.BCrypt.GenerateSalt(12);//4096 iterations
Original = Retme;
Retme = BCrypt.Net.BCrypt.HashPassword(Retme, salt);
bool Check = BCrypt.Net.BCrypt.Verify(Original, Retme);
Retme = Retme.TrimStart("$2a$12$".ToArray());
if (Check == false) throw new Exception("BCrypt: original string failed verification check against hash.");
}
return Retme;
}