private void button1_Click_1(object sender, EventArgs e)
{
MyMD5 md5 = new MyMD5();
string md5Value = md5.GetMd5FromString(textBox1.Text);
textBox4.Text = md5Value;
}
protected void SetPassword(string password)
{
//password = "******";
MyMD5 myMd5 = new MyMD5();
var md5 = myMd5.GetMd5ArrFromString(password);
switch (_mKeyLength)
{
case 8:
_mKey = new byte[8];
byte[] b = md5.SelectMany(BitConverter.GetBytes).ToArray();
for (int i = 8; i < b.Length; ++i)
_mKey[i-8] = b[i];
break;
case 16:
_mKey = new byte[16];
md5.SelectMany(BitConverter.GetBytes).ToArray().CopyTo(_mKey, 0);
break;
case 32:
_mKey = new byte[32];
md5.SelectMany(BitConverter.GetBytes).ToArray().CopyTo(_mKey, 0);
myMd5.GetMd5ArrFromString(myMd5.GetMd5FromString(password)).SelectMany(BitConverter.GetBytes).ToArray().CopyTo(_mKey, 16);
break;
}
//Encrypt("C:\\Users\\Boday-Alfaro\\Desktop\\SecurityShlikhutkaLab3.docx", "C:\\Users\\Boday-Alfaro\\Desktop\\2.docx");
//Decrypt("C:\\Users\\Boday-Alfaro\\Desktop\\2.docx", "C:\\Users\\Boday-Alfaro\\Desktop\\3.docx");
// Encrypt("C:\\Users\\Boday-Alfaro\\Desktop\\qwe1.txt", "C:\\Users\\Boday-Alfaro\\Desktop\\qwe2.txt");
// Decrypt("C:\\Users\\Boday-Alfaro\\Desktop\\qwe2.txt", "C:\\Users\\Boday-Alfaro\\Desktop\\qwe3.txt");
//MessageBox.Show("done");
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
MyMD5 md5 = new MyMD5();
string md5Value = md5.GetMd5FromString(textBox1.Text);
textBox4.Text = md5Value;
}
private async void button2_Click(object sender, EventArgs e)
{
string filename;
if (!isStartedTask)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
//openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
filename = openFileDialog1.FileName;
label7.Text = openFileDialog1.SafeFileName;
var stream = openFileDialog1.OpenFile();
label6.Text = stream.Length.ToString() + " KB";
stream.Close();
textBox3.Text = "";
}
else
{
return;
}
isStartedTask = true;
}
else
{
MessageBox.Show("Task is started");
return;
}
await Task.Factory.StartNew(() =>
{
MyMD5 md5 = new MyMD5();
md5.OnProgressChanged += Md5OnOnProgressChanged;
string md5Value = md5.GetMd5FromFile(filename);
textBox3.Invoke((MethodInvoker) delegate
{
textBox3.Text = md5Value;
if (!textBox2.Text.Equals(""))
{
if (textBox2.Text.Equals(md5Value))
{
MessageBox.Show("Correct checksum!");
}
else
{
MessageBox.Show("Incorrect checksum");
}
}
});
progressBar1.Invoke((MethodInvoker) delegate
{
_mPersentage = 100;
progressBar1.Value = _mPersentage;
});
isStartedTask = false;
});
}
public override void SetPassword(string password)
{
password = "******";
MyMD5 myMd5 = new MyMD5();
var md5 = myMd5.GetMd5ArrFromString(password);
_mKey = md5.SelectMany(BitConverter.GetBytes).ToArray();
_mPasswordMd5 = _mKey;
Encrypt("C:\\Users\\Boday-Alfaro\\Desktop\\MpShlikhutkaLab4.docx", "C:\\Users\\Boday-Alfaro\\Desktop\\qwe1");
Decrypt("C:\\Users\\Boday-Alfaro\\Desktop\\qwe1", "C:\\Users\\Boday-Alfaro\\Desktop\\qwe1.docx");
MessageBox.Show("done");
}
private async void button2_Click(object sender, EventArgs e)
{
string filename;
if (!isStartedTask)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
//openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
filename = openFileDialog1.FileName;
label7.Text = openFileDialog1.SafeFileName;
var stream = openFileDialog1.OpenFile();
label6.Text = stream.Length.ToString() + " KB";
stream.Close();
textBox3.Text = "";
}
else return;
isStartedTask = true;
}
else
{
MessageBox.Show("Task is started");
return;
}
await Task.Factory.StartNew(() =>
{
MyMD5 md5 = new MyMD5();
md5.OnProgressChanged += Md5OnOnProgressChanged;
string md5Value = md5.GetMd5FromFile(filename);
textBox3.Invoke((MethodInvoker)delegate
{
textBox3.Text = md5Value;
if (!textBox2.Text.Equals(""))
{
if (textBox2.Text.Equals(md5Value))
MessageBox.Show("Correct checksum!");
else MessageBox.Show("Incorrect checksum");
}
});
progressBar1.Invoke((MethodInvoker)delegate
{
_mPersentage = 100;
progressBar1.Value = _mPersentage;
});
isStartedTask = false;
});
}
public MyRC5(uint numberOfRounds, KeyLength keyLength, uint wordLength)
{
_numberOfRounds = (int) numberOfRounds;
//_keyLength = keyLength;
_wordLength = wordLength;
switch (keyLength)
{
case KeyLength.KEY_LENGTH_16:
_pw = P_16;
_qw = Q_16;
break;
case KeyLength.KEY_LENGTH_32:
_pw = P_32;
_qw = Q_32;
break;
case KeyLength.KEY_LENGTH_64:
_pw = P_64;
_qw = Q_64;
break;
}
_myRandom = new MyRandom(31, 2147483647, 16807, 17711);
_myMd5 = new MyMD5();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
MyMD5 md5 = new MyMD5();
string md5Value = md5.GetMd5FromString(textBox1.Text);
textBox4.Text = md5Value;
}
private void button1_Click_1(object sender, EventArgs e)
{
MyMD5 md5 = new MyMD5();
string md5Value = md5.GetMd5FromString(textBox1.Text);
textBox4.Text = md5Value;
}
