private static void DiscoverMessage(DiscoverArguments arguments)
{
if (string.IsNullOrEmpty(arguments.OutputMessageFilePath))
{
Console.WriteLine("Please specify output message file path");
return;
}
using (var keyStream = new MemoryStream(Encoding.UTF8.GetBytes(arguments.Key)))
using (var imageStream = Image.FromFile(arguments.ImageFilePath))
using (var outputMessageStream = new FileStream(arguments.OutputMessageFilePath, FileMode.Create, FileAccess.Write))
{
var bitmapSteganography = new BitmapSteganography(keyStream);
var outputStream = bitmapSteganography.DiscoverMessage((Bitmap)imageStream);
outputStream.CopyTo(outputMessageStream);
}
}
private static void HideMessage(HideArguments arguments)
{
if (!File.Exists(arguments.MessageFilePath))
{
Console.WriteLine("Message file does not exist");
return;
}
if (string.IsNullOrEmpty(arguments.OutputImageFilePath))
{
Console.WriteLine("Please specify output image file path");
return;
}
using (var keyStream = new MemoryStream(Encoding.UTF8.GetBytes(arguments.Key)))
using (var imageStream = Image.FromFile(arguments.ImageFilePath))
using (var messageStream = new FileStream(arguments.MessageFilePath, FileMode.Open, FileAccess.Read))
{
var bitmapSteganography = new BitmapSteganography(keyStream);
var bitmapWithMessage = bitmapSteganography.HideMessage((Bitmap)imageStream, messageStream);
bitmapWithMessage.Save(arguments.OutputImageFilePath);
}
}
