public static List <DecryptedFile> Decrypt(Bitmap img)
{
Color[,] pixels = GetImagePixels(img);
if (IsEncryptedImage(img, ref pixels))
{
List <DecryptedFile> files = new List <DecryptedFile>();
int fileLength = BitConverter.ToInt32(ReadBytes(img.Size, ref pixels, 128, 32), 0);
int position = 160;
for (int i = 0; i < fileLength; i++)
{
string extention = Encoding.ASCII.GetString(ReadBytes(img.Size, ref pixels, position, 24));
int fileSize = BitConverter.ToInt32(ReadBytes(img.Size, ref pixels, position + 24, 32), 0);
byte[] data = ReadBytes(img.Size, ref pixels, position + 56, fileSize);
DecryptedFile file = new DecryptedFile()
{
Data = data,
Extention = extention
};
files.Add(file);
position += 56 + fileSize;
}
return(files);
}
return(null);
}
public List <DecryptedFile> Decrypt()
{
try
{
currentLock.LockBits();
if (IsEncryptedImage)
{
List <DecryptedFile> files = new List <DecryptedFile>();
int fileLength = BitConverter.ToInt32(ReadBytes(128, 32), 0);
int position = 160;
for (int i = 0; i < fileLength; i++)
{
string extention = Encoding.ASCII.GetString(ReadBytes(position, 24));
int fileSize = BitConverter.ToInt32(ReadBytes(position + 24, 32), 0);
byte[] data = ReadBytes(position + 56, fileSize);
DecryptedFile file = new DecryptedFile()
{
Data = data,
Extention = extention
};
files.Add(file);
position += 56 + fileSize;
}
return(files);
}
return(null);
}
catch (Exception ex)
{
}
finally
{
currentLock.UnlockBits();
}
return(null);
}