private void btnCipher_Click(object sender, EventArgs e)
{
MyCypher r = new MyCypher(this.Key, this.Rand);
Color clr = Color.White;
List <byte> file_bytes = new List <byte>();
Bitmap bmp = (Bitmap)pbOrg.BackgroundImage;
if (bmp == null)
{
MessageBox.Show("Input file is not loaded.");
return;
}
for (int x = 0; x < bmp.Width; x++)
{
for (int y = 0; y < bmp.Height; y++)
{
clr = bmp.GetPixel(x, y);
file_bytes.AddRange(new byte[] { clr.R, clr.G, clr.B });
}
}
byte[] bytes = file_bytes.ToArray();
DateTime dt1 = DateTime.Now;
r.Cipher(ref bytes);
DateTime dt2 = DateTime.Now;
double totoal_time = dt2.Subtract(dt1).TotalMilliseconds;
double performance_mbps = 0d;
performance_mbps = bytes.Length * 8d; // total bits
performance_mbps /= 1024d; // total kilo bits
performance_mbps /= 1024d; // total mega bits
performance_mbps /= (totoal_time / 1000d); // total mega bits per second
lblMessage.Text = string.Format("Message: {0}\nTotal Time(ms): {1:N0}\nPerformance:{2:N3}(Mega bit/Sec)", "Cipher done. Loading results.", totoal_time, performance_mbps);
Application.DoEvents();
Bitmap bmp2 = new Bitmap(bmp.Width, bmp.Height);
int k = 0;
for (int x = 0; x < bmp.Width; x++)
{
for (int y = 0; y < bmp.Height; y++)
{
clr = Color.FromArgb(bytes[k], bytes[k + 1], bytes[k + 2]);
bmp2.SetPixel(x, y, clr);
k += 3;
}
}
pbCiphered.BackgroundImage = (Image)bmp2;
this.ciphered_bytes = bytes;
MessageBox.Show(r.GetStat());
//MyCypher mcc = new MyCypher("123", "456");
//mcc.Cipher(ref this.cip_bytes);
}
private void btnDecipher_Click(object sender, EventArgs e)
{
DateTime dt1 = DateTime.Now;
MyCypher r = new MyCypher(this.Key, this.Rand);
Color clr = Color.White;
List <byte> file_bytes = new List <byte>();
Bitmap bmp = (Bitmap)pbOrg.BackgroundImage;
byte[] bytes = this.ciphered_bytes;
r.Decipher(ref bytes);
DateTime dt2 = DateTime.Now;
double totoal_time = dt2.Subtract(dt1).TotalMilliseconds;
double performance_mbps = 0d;
performance_mbps = bytes.Length * 8d; // total bits
performance_mbps /= 1024d; // total kilo bits
performance_mbps /= 1024d; // total mega bits
performance_mbps /= (totoal_time / 1000d); // total mega bits per second
lblMessage.Text = string.Format("Message: {0}\nTotal Time(ms): {1:N0}\nPerformance:{2:N3}(Mega bit/Sec)", "Decipher done. Loading results.", totoal_time, performance_mbps);
Application.DoEvents();
Bitmap bmp3 = new Bitmap(bmp.Width, bmp.Height);
int k = 0;
for (int x = 0; x < bmp.Width; x++)
{
for (int y = 0; y < bmp.Height; y++)
{
clr = Color.FromArgb(bytes[k], bytes[k + 1], bytes[k + 2]);
bmp3.SetPixel(x, y, clr);
k += 3;
}
}
pbDeciphered.BackgroundImage = (Image)bmp3;
MessageBox.Show(r.GetStat());
//MyCypher mcc = new MyCypher("123", "456");
//mcc.Decipher(ref this.cip_bytes);
//File.WriteAllBytes(Application.StartupPath + "\\B.jpg", cip_bytes);
}
