private void btnEncrypt_Click(object sender, EventArgs e)
{
try
{
AES256 aes = new AES256(txtPassphrase.Text);
if (pnl_folder.Visible)
{
List <string> pathes = DirSearch(txtSelectFolder.Text, false);
foreach (string path in pathes)
{
aes.EncryptFile(path, path + "." + ENCRYPTED_FILE_EXTANTION);
if (File.Exists(path))
{
File.Delete(path);
}
}
}
else
{
string path = txtOpenFile.Text;
aes.EncryptFile(path, path + "." + ENCRYPTED_FILE_EXTANTION);
if (File.Exists(path))
{
File.Delete(path);
}
}
clearForm();
setResultLabel(true);
}
catch (Exception exp)
{
setResultLabel(false, exp.Message);
}
}
private void btnDecrypt_Click(object sender, EventArgs e)
{
try
{
AES256 aes = new AES256(txtPassphrase.Text);
if (pnl_folder.Visible)
{
List <string> pathes = DirSearch(txtSelectFolder.Text, true);
foreach (string path in pathes)
{
string newPath = path.Substring(0, path.Length - ENCRYPTED_FILE_EXTANTION.Length - 1);
aes.DecryptFile(path, newPath);
if (File.Exists(path))
{
File.Delete(path);
}
}
}
else
{
string path = txtOpenFile.Text;
string newPath = path.Substring(0, path.Length - ENCRYPTED_FILE_EXTANTION.Length - 1);
aes.DecryptFile(txtOpenFile.Text, newPath);
if (File.Exists(path))
{
File.Delete(path);
}
}
clearForm();
setResultLabel(true);
}
catch (Exception exp)
{
if (exp.Message == "Padding is invalid and cannot be removed.")
{
setResultLabel(false, "Wrong Password");
}
else if (exp.Message == "Length of the data to decrypt is invalid.")
{
setResultLabel(false, "File is not encrypted");
}
else
{
setResultLabel(false, exp.Message);
}
}
}
