public void Aes_EncryptFile_Test()
{
//Arrange
var tempPath = Path.GetTempPath();
if (!Directory.Exists(tempPath))
{
Directory.CreateDirectory(tempPath);
}
var path = $"{tempPath}Security.txt";
var originalData = Resources.ResourceManager.GetString("Security");
File.WriteAllText(path, originalData);
var encryptedPath = $"{tempPath}Security.encrypt";
var decryptPath = $"{tempPath}security2.txt";
var aes = new AES256();
//Act
aes.EncryptFile(EncryptionKey, path, encryptedPath);
aes.DecryptFile(EncryptionKey, encryptedPath, decryptPath);
var inputFile = File.ReadAllText(path);
var outputFile = File.ReadAllText(decryptPath);
//Assert
Assert.AreEqual(inputFile, outputFile);
File.Delete(path);
File.Delete(encryptedPath);
File.Delete(decryptPath);
}
private void btnDecrypt_Click(object sender, EventArgs e)
{
AES256 aes = new AES256(txtPass.Text);
new Thread(() =>
{
try
{
foreach (var path in Pathes)
{
string newPath = path.Substring(0, path.Length - MenuService.ENCRYPTED_FILE_EXTANTION.Length - 1);
aes.DecryptFile(path, newPath);
if (File.Exists(path))
{
File.Delete(path);
}
}
this.Close();
}
catch (Exception exp)
{
string msg;
if (exp.Message == "Padding is invalid and cannot be removed.")
{
msg = "Wrong Password";
}
else if (exp.Message == "Length of the data to decrypt is invalid.")
{
msg = "File is not encrypted";
}
else
{
msg = exp.Message;
}
MessageBox.Show(msg, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}).Start();
}