public void Decrypt()
{
AesCryptoServiceProvider cryptoServiceProvider = new AesCryptoServiceProvider();
cryptoServiceProvider.Mode = CipherMode.CBC;
cryptoServiceProvider.Padding = PaddingMode.ANSIX923;
cryptoServiceProvider.BlockSize = 128;
cryptoServiceProvider.KeySize = 256;
RSACrypter.Instance().Decrypt(keyPath);
var decryptedKeypath = Path.GetFileName(keyPath).Split(".")[0].Split("_")[0] + "_DECRYPTED.txt";
string[] lines = File.ReadAllLines(decryptedKeypath);
byte[] iv = Convert.FromBase64String(lines[0]);
byte[] key = Convert.FromBase64String(lines[1]);
cryptoServiceProvider.IV = iv;
cryptoServiceProvider.Key = key;
ICryptoTransform transform = cryptoServiceProvider.CreateEncryptor();
transform = cryptoServiceProvider.CreateDecryptor();
byte[] encryptedBytes = Convert.FromBase64String(File.ReadAllText(filePath));
byte[] decryptedBytes = transform.TransformFinalBlock(encryptedBytes, 0, encryptedBytes.Length);
string decryptedText = Encoding.UTF8.GetString(decryptedBytes);
string pureName = Path.GetFileName(filePath).Split("_")[0];
string extension = Path.GetFileName(filePath).Split(".")[1];
File.WriteAllText($"{pureName}_DECRYPTED.{extension}", decryptedText);
Console.WriteLine("done");
}
public void Encrypt()
{
AesCryptoServiceProvider cryptoServiceProvider = new AesCryptoServiceProvider();
cryptoServiceProvider.Mode = CipherMode.CBC;
cryptoServiceProvider.Padding = PaddingMode.ANSIX923;
cryptoServiceProvider.BlockSize = 128;
cryptoServiceProvider.KeySize = 256;
string[] lines = File.ReadAllLines(keyPath);
byte[] iv = Convert.FromBase64String(lines[0]);
byte[] key = Convert.FromBase64String(lines[1]);
cryptoServiceProvider.IV = iv;
cryptoServiceProvider.Key = key;
string textToEncrypt = File.ReadAllText(filePath);
string pureName = Path.GetFileName(filePath).Split(".")[0];
string extension = Path.GetFileName(filePath).Split(".")[1];
Console.WriteLine(pureName);
ICryptoTransform transform = cryptoServiceProvider.CreateEncryptor();
byte[] encryptedBytes =
transform.TransformFinalBlock(Encoding.UTF8.GetBytes(textToEncrypt), 0, textToEncrypt.Length);
string encryptedText = Convert.ToBase64String(encryptedBytes);
File.WriteAllText($"{pureName}_ENCRYPTED.{extension}", encryptedText);
RSACrypter.Instance().Encrypt(keyPath);
}
private void AsymetricDropPanel_OnDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
RSACrypter.Instance().SetFileBeingEcryptedPath(files[0]);
AsymetricFileNameText.Text = Path.GetFileName(files[0]);
}
}
private void AsymetricDecrypt_OnClick(object sender, RoutedEventArgs e)
{
RSACrypter.Instance().Decrypt();
}