// защифровать файл
private void button1_Click(object sender, EventArgs e)
{
cam();
if (check())
{
OpenFileDialog dialog = new OpenFileDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
int i;
string s, temp;
string str = dialog.FileName;
int len = str.Length;
i = str.IndexOf('.');
s = str.Substring(i, len - i);
temp = "temp" + s;
string key = count.ToString();
count++;
CryptFile.EncryptFile <TripleDESCryptoServiceProvider>(@dialog.FileName, key, temp);
File.Delete(dialog.FileName);
File.Move(temp, str);
ht.Add(str, key);
}
}
else
{
errormessage();
}
}
// открыть файл
private void button2_Click(object sender, EventArgs e)
{
cam();
if (check())
{
string key = "";
int i;
OpenFileDialog dialog = new OpenFileDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
ICollection keys = ht.Keys;
foreach (string sу in keys)
{
if (sу == dialog.FileName)
{
key += ht[sу];
}
}
if (key == "")
{
emprtyerror();
return;
}
string s, temp;
string str = dialog.FileName;
int len = str.Length;
i = str.IndexOf('.');
s = str.Substring(i, len - i);
temp = "temp" + s;
CryptFile.DecryptFile <TripleDESCryptoServiceProvider>(dialog.FileName, key, temp);
File.Delete(dialog.FileName);
File.Move(temp, str);
System.Diagnostics.ProcessStartInfo psi =
new System.Diagnostics.ProcessStartInfo(str);
System.Diagnostics.Process rfp = new System.Diagnostics.Process();
rfp = System.Diagnostics.Process.Start(psi);
rfp.WaitForExit();//ожидание завершения процесса
CryptFile.EncryptFile <TripleDESCryptoServiceProvider>(@str, key, temp);
File.Delete(dialog.FileName);
File.Move(temp, str);
}
else
{
errormessage();
}
}
}
private void DecryptButton_Click(object sender, EventArgs e)
{
if (OpenDialog.ShowDialog() == DialogResult.OK)
{
var textFileName = OpenDialog.FileName;
var secureFile = new CryptFile(textFileName);
secureFile.DecryptFile();
MessageBox.Show("File decrypted", "Information", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
}
// дещифровать файл
private void button3_Click(object sender, EventArgs e)
{
cam();
if (check())
{
string key = "";
int i;
OpenFileDialog dialog = new OpenFileDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
ICollection keys = ht.Keys;
foreach (string sу in keys)
{
if (sу == dialog.FileName)
{
key += ht[sу];
}
}
if (key == "")
{
emprtyerror();
return;
}
string s, temp;
string str = dialog.FileName;
int len = str.Length;
i = str.IndexOf('.');
s = str.Substring(i, len - i);
temp = "temp" + s;
CryptFile.DecryptFile <TripleDESCryptoServiceProvider>(dialog.FileName, key, temp);
File.Delete(dialog.FileName);
File.Move(temp, str);
}
}
else
{
errormessage();
}
}
