private async void HashProcessing(string fileToHash)
{
btBrowse.Enabled = btMD5.Enabled = btSHA1.Enabled = btSHA256.Enabled = btSHA512.Enabled = false;
tbMD5.Text = tbSHA1.Text = tbSHA256.Text = tbSHA512.Text = tbTimeToCalculateMD5.Text = tbTimeToCalculateSHA1.Text = tbTimeToCalculateSHA256.Text = tbTimeToCalculateSHA512.Text = string.Empty;
UpdateForm(fileToHash);
long totalElapsed = 0;
totalResult = fileWithHash = string.Empty;
tsStatus.Text = "Création des empreintes en cours...";
try { totalElapsed = await GetHashes(fileToHash); }
catch (Exception) { MessageBox.Show("Une erreur s'est produite lors du calcul de l'empreinte", "Erreur : Calcul de l'empreinte", MessageBoxButtons.OK, MessageBoxIcon.Error); }
totalResult = ValuesTools.elapsedToString(totalElapsed);
tsStatus.Text = string.Format("Création des empreintes terminée en {0} - Vérification en cours...", totalResult);
KeyValuePair <string, string> results = new KeyValuePair <string, string>(string.Empty, string.Empty);
try { results = HashToolkit.VerifyFile(fileToHash, tbMD5.Text, tbSHA1.Text, tbSHA256.Text, tbSHA512.Text); }
catch (Exception) { MessageBox.Show("Une erreur s'est produite lors de la vérification de l'empreinte", "Erreur : vérification de l'empreinte", MessageBoxButtons.OK, MessageBoxIcon.Error); }
string algoUsed = results.Key;
fileWithHash = results.Value;
tsStatus.Text = (string.IsNullOrEmpty(algoUsed)) ?
string.Format("Création des empreintes terminée en {0} : aucun fichier d'empreinte trouvé", totalResult) :
string.Format("Création des empreintes terminée en {0} : fichier conforme à son empreinte {1}", totalResult, algoUsed);
btBrowse.Enabled = true;
UpdateForm(fileToHash);
}
private async Task <long> GetHashes(string fileToHash)
{
long totalElapsed = 0;
Stopwatch sw = new Stopwatch();
sw.Start();
tbMD5.Text = await Task.Run(() => HashToolkit.GetHash(HashToolkit.Algorithms.MD5, fileToHash));
sw.Stop();
totalElapsed += sw.ElapsedMilliseconds;
tbTimeToCalculateMD5.Text = string.Format("{0}", ValuesTools.elapsedToString(sw.ElapsedMilliseconds));
sw.Restart();
tbSHA1.Text = await Task.Run(() => HashToolkit.GetHash(HashToolkit.Algorithms.SHA1, fileToHash));
sw.Stop();
totalElapsed += sw.ElapsedMilliseconds;
tbTimeToCalculateSHA1.Text = string.Format("{0}", ValuesTools.elapsedToString(sw.ElapsedMilliseconds));
sw.Restart();
tbSHA256.Text = await Task.Run(() => HashToolkit.GetHash(HashToolkit.Algorithms.SHA256, fileToHash));
sw.Stop();
totalElapsed += sw.ElapsedMilliseconds;
tbTimeToCalculateSHA256.Text = string.Format("{0}", ValuesTools.elapsedToString(sw.ElapsedMilliseconds));
sw.Restart();
tbSHA512.Text = await Task.Run(() => HashToolkit.GetHash(HashToolkit.Algorithms.SHA512, fileToHash));
sw.Stop();
totalElapsed += sw.ElapsedMilliseconds;
tbTimeToCalculateSHA512.Text = string.Format("{0} s", ValuesTools.elapsedToString(sw.ElapsedMilliseconds));
return(totalElapsed);
}