private void ButtonEncrypt_Click(object sender, EventArgs e)
{
/*if (fileInfo.Length > 1024 * 1024 * 4 && EncryptionFlag == 1)
* {
* string text = "The file size for the selected method should not exceed 4 GB";
* string caption1 = "Error";
* MessageBox.Show(text, caption1, MessageBoxButtons.OK, MessageBoxIcon.Warning);
* //очищение textbox и полей данных
* ClearData();
* buttonEncrypt.Enabled = false;
* return;
* }*/
//создание файловых потоков
using (FileStream srcFileStream = File.Open(FileInfo.FullName, FileMode.Open, FileAccess.Read),
resFileStream = File.Create(SavePath + "\\" + Path.GetFileNameWithoutExtension(FileInfo.FullName) + ".encryp"),
keyFileStream = File.Create(SavePath + "\\" + Path.GetFileNameWithoutExtension(FileInfo.FullName) + ".key"))
{
//вызовы функций шифрования
IDEAEncryption encryption = new IDEAEncryption(srcFileStream, resFileStream, keyFileStream, FileInfo.Extension);
encryption.Encrypt();
}
//очищение textbox и полей данных
ClearData();
buttonEncrypt.Enabled = false;
//вывод информации
string info = "File was encrypted and located on: \r\n" + SavePath;
string caption = "Encryption complete";
textBoxLog.Text += DateTime.Now.ToString() + " " + info + "\r\n";
MessageBox.Show(info, caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
public void BenchIDEAEncryption()
{
IDEAStruct t = new IDEAEncryption();
t.loops = 100;
t.adjust = 1;
for (int i = 0; i < IDEAEncryptionIterations; i++)
{
t.Run();
}
}
public static void BenchIDEAEncryption()
{
Setup();
IDEAStruct t = new IDEAEncryption();
t.loops = 100;
t.adjust = 1;
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < IDEAEncryptionIterations; i++)
{
t.Run();
}
}
}
}
private void buttonSend_Click(object sender, EventArgs e)
{
if (checkBox.Checked)
{
//Thread thread = new Thread(new ThreadStart(ShowMB));
//thread.IsBackground = true;
//thread.Start();
using (FileStream srcFileStream = File.Open(SrcFileInfo.FullName, FileMode.Open, FileAccess.Read),
resFileStream = File.Create(SrcFileInfo.DirectoryName + "\\" + Path.GetFileNameWithoutExtension(SrcFileInfo.FullName) + ".encryp"),
keyFileStream = File.Create(SrcFileInfo.DirectoryName + "\\" + Path.GetFileNameWithoutExtension(SrcFileInfo.FullName) + ".key"))
{
//вызовы функций шифрования
IDEAEncryption encryption = new IDEAEncryption(srcFileStream, resFileStream, keyFileStream, SrcFileInfo.Extension);
encryption.Encrypt();
SrcFileInfo = new FileInfo(SrcFileInfo.DirectoryName + "\\" + Path.GetFileNameWithoutExtension(SrcFileInfo.FullName) + ".encryp");
KeyFileInfo = new FileInfo(SrcFileInfo.DirectoryName + "\\" + Path.GetFileNameWithoutExtension(SrcFileInfo.FullName) + ".key");
}
//thread.Abort();
}
try
{
int port = 4000;
IPAddress iPAddress = new IPAddress(Convert.ToInt64(textBoxID.Text));
IPEndPoint endPoint = new IPEndPoint(iPAddress, port);
TcpClient tcpClient = new TcpClient(endPoint);
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
using (AesCryptoServiceProvider aes = new AesCryptoServiceProvider())
using (NetworkStream networkStream = tcpClient.GetStream())
using (CryptoStream cryptoNetStream = new CryptoStream(networkStream, aes.CreateEncryptor(), CryptoStreamMode.Write))
{
//отправка открытого ключа
RSAParameters rSAParameters = rsa.ExportParameters(false);
networkStream.Write(rSAParameters.Modulus, 0, 128);
networkStream.Write(rSAParameters.Exponent, 0, 3);
//получение и дешифровка сеансового ключа
byte[] encrData = new byte[128],
sessionKey;
networkStream.Read(encrData, 0, encrData.Length);
sessionKey = rsa.Decrypt(encrData, false);
//инициализация сеансовго ключа
for (int i = 0; i < 32; i++)
{
aes.Key[i] = sessionKey[i];
}
for (int i = 32; i < 48; i++)
{
aes.IV[i - 32] = sessionKey[i];
}
progressBar1.Visible = true;
progressBar1.Maximum = (int)(SrcFileInfo.Length / 2);
byte[] buffer = new byte[16];
byte[] name;
int bytesCount = 0;
if (KeyFileInfo != null)
{
progressBar1.Maximum += (int)(KeyFileInfo.Length / 2);
networkStream.WriteByte(255);
name = Encoding.ASCII.GetBytes(KeyFileInfo.Name);
networkStream.WriteByte((byte)name.Length);
networkStream.Write(name, 0, name.Length);
networkStream.Write(BitConverter.GetBytes(KeyFileInfo.Length), 0, 8);
name = Encoding.ASCII.GetBytes(SrcFileInfo.Name);
networkStream.WriteByte((byte)name.Length);
networkStream.Write(name, 0, name.Length);
networkStream.Write(BitConverter.GetBytes(SrcFileInfo.Length), 0, 8);
using (Stream keyFile = KeyFileInfo.OpenRead())
{
for (long i = 0; i < KeyFileInfo.Length; i += buffer.Length)
{
//добавить шифрование
bytesCount = keyFile.Read(buffer, 0, buffer.Length);
cryptoNetStream.Write(buffer, 0, bytesCount);
progressBar1.Value += buffer.Length / 2;
}
}
}
else
{
networkStream.WriteByte(0);
name = Encoding.ASCII.GetBytes(SrcFileInfo.Name);
networkStream.WriteByte((byte)name.Length);
networkStream.Write(name, 0, name.Length);
networkStream.Write(BitConverter.GetBytes(SrcFileInfo.Length), 0, 8);
}
using (FileStream srcFile = SrcFileInfo.OpenRead())
{
for (long i = 0; i < SrcFileInfo.Length; i += buffer.Length)
{
//добавить шифрование
bytesCount = srcFile.Read(buffer, 0, buffer.Length);
cryptoNetStream.Write(buffer, 0, bytesCount);
progressBar1.Value += buffer.Length / 2;
}
}
}
tcpClient.Close();
KeyFileInfo.Delete();
SrcFileInfo.Delete();
MessageBox.Show("File succsessfully sended", "Succsess", MessageBoxButtons.OK, MessageBoxIcon.None);
}
catch (Exception exp)
{
MessageBox.Show(exp.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
this.DialogResult = DialogResult.OK;
}
public static void BenchIDEAEncryption()
{
Setup();
IDEAStruct t = new IDEAEncryption();
t.loops = 100;
t.adjust = 0;
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < IDEAEncryptionIterations; i++)
{
t.Run();
}
}
}
}
