public ODSecurity OpenODSecurity(string HashedPass) // Decrypts and opens ODSecurity
{
ODSecurity mySecurity = new ODSecurity();
FileStream fs = new FileStream("mySecFile.ods", FileMode.Open);
Rijndael rijndael = Rijndael.Create();
rijndael.Key = Encoding.ASCII.GetBytes(HashedPass.Substring(0, 32)); // To be entered
rijndael.IV = Encoding.ASCII.GetBytes(HashedPass.Substring(32, 16));
rijndael.Padding = PaddingMode.None;
ICryptoTransform iCryptoTransform = rijndael.CreateDecryptor();
CryptoStream cryptoStream = new CryptoStream(fs, iCryptoTransform, CryptoStreamMode.Read);
byte[] buffer = new byte[80];
cryptoStream.Read(buffer, 0, buffer.Length);
for (int iter = 0; iter < Key.Length; iter++)
{
mySecurity.Key[iter] = buffer[iter];
}
for (int iter = 0; iter < IV.Length; iter++)
{
mySecurity.IV[iter] = buffer[iter + Key.Length];
}
mySecurity.guid = Encoding.ASCII.GetString(buffer).Substring(48, 32);
fs.Close();
return(mySecurity);
}
private void button4_Click(object sender, EventArgs e)
{
ODSecurity _ods = new ODSecurity();
string password = GetSha384Password(passwordTextbox.Text);
_ods.SaveODSecurity(password);
textBox1.Text = "Save completed!";
}
private void OpenODSButton_Click(object sender, EventArgs e)
{
string password = null;
if (passwordTextbox.Text != null)
{
password = GetSha384Password(passwordTextbox.Text);
}
else
{
MessageBox.Show("Password is empty!");
return;
}
try
{
ods = new ODSecurity().OpenODSecurity(password);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
}
}
