private void DecryptLayer()
{
int k, j = 0;
bool[] f = new bool[8];
bool[] r = new bool[8];
bool[] b = new bool[8];
bool[] g = new bool[8];
Color pixel = new Color();
byte rb, gb, bb, gb1;
pixel = Decrypted_Bitmap.GetPixel(2, 0);
rb = pixel.R;
gb1 = pixel.G;
bb = pixel.B;
int pwdlength = rb;
pixel = Decrypted_Bitmap.GetPixel(0, 0);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
long FileSize = rb + gb * 256 + bb * 256 * 256 + gb1 * 256 * 256 * 256;
pixel = Decrypted_Bitmap.GetPixel(1, 0);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
long FileNameSize = rb + gb * 256 + bb * 256 * 256;
byte[] ResFile = new byte[FileSize];
string ResFileName = "";
string ResPwd = "";
byte Virtual;
//textBox1.Text = pwdlength.ToString();
for (k = 0; (k * 3) <= pwdlength; k++)
{
pixel = Decrypted_Bitmap.GetPixel(k + 3, 0);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
ResPwd += (char)rb;
ResPwd += (char)gb;
ResPwd += (char)bb;
}
string respwd1 = ResPwd.Substring(0, pwdlength + 1);
//textBox5.Text = respwd1;
if (textBox7.Text.Equals(respwd1, StringComparison.OrdinalIgnoreCase))
{
toolStripStatusLabel1.Text = "Please Wait.......Decrypting";
Application.DoEvents();
//Read file name:
for (k = 1; k < Image_Height && (k - 1) * (Image_Width / 3) < FileNameSize; k++)
{
for (j = 0; j < (Image_Width / 3) * 3 && (k - 1) * (Image_Width / 3) + (j / 3) < FileNameSize; j++)
{
pixel = Decrypted_Bitmap.GetPixel(j, k);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
ToBoolean(rb, ref r);
ToBoolean(gb, ref b);
ToBoolean(bb, ref g);
if (j % 3 == 0)
{
f[0] = r[7];
f[1] = b[7];
f[2] = g[7];
}
else if (j % 3 == 1)
{
f[3] = r[7];
f[4] = b[7];
f[5] = g[7];
}
else
{
f[6] = r[7];
f[7] = b[7];
Virtual = ToBytes(f);
ResFileName += (char)Virtual;
}
}
}
//After file name read file on layer eight :
int JTemp = j;
k = 1;
for (; k < Image_Height && (k - 1) * (Image_Width / 3) < FileSize + FileNameSize; k++)
{
for (j = 0; j < (Image_Width / 3) * 3 && (k - 1) * (Image_Width / 3) + (j / 3) < ((Image_Height - 1) * (Image_Width / 3) * 3) / 3 - 1 && (k - 1) * (Image_Width / 3) + (j / 3) < FileSize + FileNameSize; j++)
{
if (JTemp != 0)
{
j = JTemp;
JTemp = 0;
}
pixel = Decrypted_Bitmap.GetPixel(j, k);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
ToBoolean(rb, ref r);
ToBoolean(gb, ref b);
ToBoolean(bb, ref g);
if (j % 3 == 0)
{
f[0] = r[7];
f[1] = b[7];
f[2] = g[7];
}
else if (j % 3 == 1)
{
f[3] = r[7];
f[4] = b[7];
f[5] = g[7];
}
else
{
f[6] = r[7];
f[7] = b[7];
Virtual = ToBytes(f);
ResFile[(k - 1) * (Image_Width / 3) + j / 3 - FileNameSize] = Virtual;
}
}
}
//Read Bytes on remaining layer:
long filebytesonlayer8 = ((Image_Height - 1) * (Image_Width / 3) * 3) / 3 - FileNameSize - 1;
for (int layer = 6; layer >= 0 && filebytesonlayer8 + (6 - layer) * (((Image_Height - 1) * (Image_Width / 3) * 3) / 3 - 1) < FileSize; layer--)
{
for (k = 1; k < Image_Height && (k - 1) * (Image_Width / 3) + filebytesonlayer8 + (6 - layer) * (((Image_Height - 1) * (Image_Width / 3) * 3) / 3 - 1) < FileSize; k++)
{
for (j = 0; j < (Image_Width / 3) * 3 && (k - 1) * (Image_Width / 3) + (j / 3) + filebytesonlayer8 + (6 - layer) * (((Image_Height - 1) * (Image_Width / 3) * 3) / 3 - 1) < FileSize; j++)
{
pixel = Decrypted_Bitmap.GetPixel(j, k);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
ToBoolean(rb, ref r);
ToBoolean(gb, ref b);
ToBoolean(bb, ref g);
if (j % 3 == 0)
{
f[0] = r[layer];
f[1] = b[layer];
f[2] = g[layer];
}
else if (j % 3 == 1)
{
f[3] = r[layer];
f[4] = b[layer];
f[5] = g[layer];
}
else
{
f[6] = r[layer];
f[7] = b[layer];
Virtual = ToBytes(f);
ResFile[(k - 1) * (Image_Width / 3) + j / 3 + (6 - layer) * (((Image_Height - 1) * (Image_Width / 3) * 3) / 3 - 1) + filebytesonlayer8] = Virtual;
}
}
}
}
if (File.Exists(PathOfDSaveFile + "\\" + ResFileName))
{
MessageBox.Show("File \"" + ResFileName + "\" Name already exists write another name", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation,
MessageBoxDefaultButton.Button1);
return;
}
else
{
File.WriteAllBytes(PathOfDSaveFile + "\\" + ResFileName, ResFile);
}
toolStripStatusLabel1.Text = "Decreption Sucessfully done";
Application.DoEvents();
}
else
{
MessageBox.Show("Enter Correct Password", "Invalid Password!!");
} /**/
}
private void DecryptLayer()
{
MessageBox.Show("Please Wait.......", "Decrypting");
Application.DoEvents();
int k, j = 0;
bool[] f = new bool[8];
bool[] r = new bool[8];
bool[] b = new bool[8];
bool[] g = new bool[8];
Color pixel = new Color();
byte rb, gb, bb;
pixel = Decrypted_Bitmap.GetPixel(2, 0);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
long pwdlength = rb + gb * 255 + bb * 255 * 255;
pixel = Decrypted_Bitmap.GetPixel(0, 0);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
long FileSize = rb + gb * 255 + bb * 255 * 255;
pixel = Decrypted_Bitmap.GetPixel(1, 0);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
long FileNameSize = rb + gb * 255 + bb * 255 * 255;
byte[] ResFile = new byte[FileSize];
string ResFileName = "";
string ResPwd = "";
byte Virtual;
for (k = 0; (k * 3) < pwdlength; k++)
{
pixel = Decrypted_Bitmap.GetPixel(k + 3, 0);
rb = pixel.R;
gb = pixel.G;
bb = pixel.B;
ResPwd += (char)rb;
ResPwd += (char)gb;
ResPwd += (char)bb;
}
textBox7.Text = ResPwd;
/*
* if (textBox7.Text.Equals(ResPwd, StringComparison.Ordinal))
* {
* //Read file name:
* for (k = 1; k < Image_Height && (k - 1) * (Image_Width / 3) < FileNameSize; k++)
* for (j = 0; j < (Image_Width / 3) * 3 && (k - 1) * (Image_Width / 3) + (j / 3) < FileNameSize; j++)
* {
* pixel = Decrypted_Bitmap.GetPixel(j, k);
* rb = pixel.R;
* gb = pixel.G;
* bb = pixel.B;
* BytesToBoolean(rb, ref r);
* BytesToBoolean(gb, ref b);
* BytesToBoolean(bb, ref g);
* if (j % 3 == 0)
* {
* f[0] = r[7];
* f[1] = b[7];
* f[2] = g[7];
* }
* else if (j % 3 == 1)
* {
* f[3] = r[7];
* f[4] = b[7];
* f[5] = g[7];
* }
* else
* {
* f[6] = r[7];
* f[7] = b[7];
* Virtual = BooleanToBytes(f);
* ResFileName += (char)Virtual;
* }
* }
*
* //After file name read file on layer eight :
* int JTemp = j;
* k--;
*
* for (; k < Image_Height && (k - 1) * (Image_Width / 3) < FileSize + FileNameSize; k++)
* for (j = 0; j < (Image_Width / 3) * 3 && (k - 1) * (Image_Width / 3) + (j / 3) < (Image_Height * (Image_Width / 3) * 3) / 3 - 1 && (k - 1) * (Image_Width / 3) + (j / 3) < FileSize + FileNameSize; j++)
* {
* if (JTemp != 0)
* {
* j = JTemp;
* JTemp = 0;
* }
* pixel = Decrypted_Bitmap.GetPixel(j, k);
* rb = pixel.R;
* gb = pixel.G;
* bb = pixel.B;
* BytesToBoolean(rb, ref r);
* BytesToBoolean(gb, ref b);
* BytesToBoolean(bb, ref g);
* if (j % 3 == 0)
* {
* f[0] = r[7];
* f[1] = b[7];
* f[2] = g[7];
* }
* else if (j % 3 == 1)
* {
* f[3] = r[7];
* f[4] = b[7];
* f[5] = g[7];
* }
* else
* {
* f[6] = r[7];
* f[7] = b[7];
* Virtual = BooleanToBytes(f);
* ResFile[(k - 1) * (Image_Width / 3) + j / 3 - FileNameSize] = Virtual;
* }
* }
*
* //Read Bytes on remaining layer:
* long filebytesonlayer8 = (Image_Height * (Image_Width / 3) * 3) / 3 - FileNameSize - 1;
*
* for (int layer = 6; layer >= 0 && filebytesonlayer8 + (6 - layer) * ((Image_Height * (Image_Width / 3) * 3) / 3 - 1) < FileSize; layer--)
* for (k = 1; k < Image_Height && (k - 1) * (Image_Width / 3) + filebytesonlayer8 + (6 - layer) * ((Image_Height * (Image_Width / 3) * 3) / 3 - 1) < FileSize; k++)
* for (j = 0; j < (Image_Width / 3) * 3 && (k - 1) * (Image_Width / 3) + (j / 3) + filebytesonlayer8 + (6 - layer) * ((Image_Height * (Image_Width / 3) * 3) / 3 - 1) < FileSize; j++)
* {
* pixel = Decrypted_Bitmap.GetPixel(j, k);
* rb = pixel.R;
* gb = pixel.G;
* bb = pixel.B;
* BytesToBoolean(rb, ref r);
* BytesToBoolean(gb, ref b);
* BytesToBoolean(bb, ref g);
* if (j % 3 == 0)
* {
* f[0] = r[layer];
* f[1] = b[layer];
* f[2] = g[layer];
* }
* else if (j % 3 == 1)
* {
* f[3] = r[layer];
* f[4] = b[layer];
* f[5] = g[layer];
* }
* else
* {
* f[6] = r[layer];
* f[7] = b[layer];
* Virtual = BooleanToBytes(f);
* ResFile[(k - 1) * (Image_Width / 3) + j / 3 + (6 - layer) * ((Image_Height * (Image_Width / 3) * 3) / 3 - 1) + filebytesonlayer8] = Virtual;
* }
* }
*
* if (File.Exists(PathOfDSaveFile + "\\" + ResFileName))
* {
* MessageBox.Show("File \"" + ResFileName + "\" Name already exists write another name", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation,
* MessageBoxDefaultButton.Button1);
* return;
* }
* else
* File.WriteAllBytes(PathOfDSaveFile + "\\" + ResFileName, ResFile);
* MessageBox.Show("Done", "Decryption");
* Application.DoEvents();
* }
* else
* {
* MessageBox.Show("Enter Correct Password","Invalid Password!!");
* }*/
}
