private void Hashing_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker backgroundWorker = sender as BackgroundWorker;
byte[] array = new byte[this._Hash.GetDigestSize()];
using (Stream stream = File.OpenRead(this.FileLocationTextBox.Text))
{
long total_read = 0L;
int read_block;
while ((read_block = stream.Read(this._BlockSize, 0, this._BlockSize.Length)) > 0)
{
if (backgroundWorker.CancellationPending)
{
e.Cancel = true;
Array.Clear(this._BlockSize, 0, this._BlockSize.Length);
break;
}
this._Hash.BlockUpdate(this._BlockSize, 0, read_block);
total_read += read_block;
float progress = total_read / this._FileSize * 100;
backgroundWorker.ReportProgress((int)progress);
}
}
this._Hash.DoFinal(array, 0);
Array.Clear(this._BlockSize, 0, this._BlockSize.Length);
e.Result = HashFunctionList.ByteArrayToHexString(array);
}
private void SaveButton_Click(object sender, EventArgs e)
{
if (this.HashValueTextBox.Text.Trim() == "")
{
MessageBox.Show(this, "Please hash a file first.", "Attention");
return;
}
string directoryName = Path.GetDirectoryName(this.FileLocationTextBox.Text);
string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(this.FileLocationTextBox.Text);
try
{
string path = directoryName + "\\" + fileNameWithoutExtension + HashFunctionList.HashFileExtension(HashFunctionListComboBox.Text);
File.WriteAllText(path, HashValueTextBox.Text);
}
catch
{
MessageBox.Show(this, "Can't save hash value.", "Attention");
}
}
