private void txtSeedToSplit_TextChanged(object sender, TextChangedEventArgs e)
{
try
{
clsSeed seed = new clsSeed(txtSeedToSplit.Text);
txtSeedToSplit.ToolTip = $"Count of words: {seed.iWordCount}";
txtSeedToSplit.Background = new SolidColorBrush(Colors.LightGreen);
txtSeedBIP39HEX.Text = seed.BIP39SeedHex;
txtSeedHex.Text = seed.SeedBitsHex;
btnDoSplit.IsEnabled = true;
btnCopySharesToClipboard.IsEnabled = false;
txtSeedToSplit.IsReadOnly = true;
btnLockSeed.Visibility = Visibility.Visible;
btnLockSeedOpen.Visibility = Visibility.Collapsed;
}
catch (Exception ex)
{
txtSeedToSplit.Background = new SolidColorBrush(Colors.LightSalmon);
txtSeedToSplit.ToolTip = $"Invalid seed";
lstSplitShares.Items.Clear();
txtSeedBIP39HEX.Text = "";
txtSeedHex.Text = "";
btnDoSplit.IsEnabled = false;
btnCopySharesToClipboard.IsEnabled = false;
txtSeedToSplit.IsReadOnly = false;
btnLockSeed.Visibility = Visibility.Collapsed;
btnLockSeedOpen.Visibility = Visibility.Visible;
}
}
private void CalculateFromValidShares()
{
if (liCurrShares.Count < 3)
{
return;
}
clsBIP39Splitter merger = new clsBIP39Splitter();
byte[] baSeed;
string sRet = merger.JoinSecrets(liCurrShares, out baSeed, txtPassword.Text);
if (sRet != "")
{
txtMerged.Text = sRet;
txtMerged.Background = new SolidColorBrush(Colors.LightSalmon);
return;
}
try
{
clsSeed seed = new clsSeed(baSeed);
txtMerged.Text = seed.SeedString;
txtMerged.Background = new SolidColorBrush(Colors.LightGreen);
}
catch (Exception ex)
{
txtMerged.Text = $"Wrong password used ({ex.Message})";
txtMerged.Background = new SolidColorBrush(Colors.LightSalmon);
}
}
private void lstSplitShares_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
List <string> liSelShares = new List <string>();
foreach (ucShare uc1 in lstSplitShares.SelectedItems)
{
liSelShares.Add(uc1.txtShare.Text);
}
if (liSelShares.Count < 2)
{
return;
}
clsBIP39Splitter merger = new clsBIP39Splitter();
byte[] baSecret;
string sRet = merger.JoinSecrets(liSelShares, out baSecret, txtPassword.Text);
if (sRet != "")
{
txtTestMerged.Text = sRet;
txtTestMerged.Background = new SolidColorBrush(Colors.Yellow);
return;
}
try
{
clsSeed seed = new clsSeed(baSecret);
txtTestMerged.Text = seed.SeedString;
if (txtSeedToSplit.Text == txtTestMerged.Text)
{
txtTestMerged.Background = new SolidColorBrush(Colors.LightGreen);
}
else
{
txtTestMerged.Background = new SolidColorBrush(Colors.LightSalmon);
}
}
catch (Exception ex)
{
txtTestMerged.Text = $"Wrong password used ({ex.Message})";
txtTestMerged.Background = new SolidColorBrush(Colors.LightSalmon);
}
}
private async void btnDoSplit_Click(object sender, RoutedEventArgs e)
{
btnDoSplit.Content = "Calculating...";
gridSplit.IsEnabled = false;
lstSplitShares.Items.Clear();
txtTestMerged.Text = "";
clsSeed seed = new clsSeed(txtSeedToSplit.Text);
byte[] baSeedHex = clsHelpers.StringToByteArray(seed.SeedBitsHex);
List <string> liBestShares = new List <string>();
int iBestMaxLen = int.MaxValue;
Single siBestAvg = Single.MaxValue;
string sPassword = txtPassword.Text;
byte bShareCount = byte.Parse(txtShareCount.Text);
byte bThreshold = byte.Parse(txtThreshold.Text);
int iTried = 0;
timerDoCounter = new DispatcherTimer();
timerDoCounter.Interval = new TimeSpan(0, 0, 1);
timerDoCounter.Tick += timerDoCounter_Tick;
timerDoCounter.Start();
dRunUntil = DateTime.Now.AddSeconds(Convert.ToInt32(txtSeconds.Text));
await Task.Run(() =>
{
while (DateTime.Now < dRunUntil)
{
iTried++;
clsBIP39Splitter splitter = new clsBIP39Splitter();
List <string> liShares = splitter.SeedToSplitSecrets(seed.SeedBytes, bShareCount, bThreshold, sPassword);
int iCurrMax = 0, iCurrTotal = 0;
foreach (string s1 in liShares)
{
iCurrTotal += s1.Length;
if (iCurrMax < s1.Length)
{
iCurrMax = s1.Length;
}
}
Single siCurrAvg = iCurrTotal / liShares.Count;
if ((siCurrAvg < siBestAvg) && (iCurrMax <= iBestMaxLen))
{
siBestAvg = siCurrAvg;
iBestMaxLen = iCurrMax;
liBestShares = liShares;
}
}
});
for (int i1 = 0; i1 < liBestShares.Count; i1++)
{
string sShare = liBestShares[i1];
ucShare uc1 = new ucShare(i1 + 1, sShare);
lstSplitShares.Items.Add(uc1);
}
btnDoSplit.Content = "Do Split";
btnDoSplit.ToolTip = $"Tried:{iTried} Avg:{siBestAvg} MaxLen={iBestMaxLen}";
gridSplit.IsEnabled = true;
btnCopySharesToClipboard.IsEnabled = true;
}
