public void CompressTest()
{
string srcFilePath = PathHelper.GetFilePath(@"/Data/mountain.bmp");
var expected = FileTransform.File2ByteArray(srcFilePath);
var zipedSrcFileBytes = Zip.Compress(expected);
var actual = Zip.Decompress(zipedSrcFileBytes);
CollectionAssert.AreEqual(actual, expected);
}
public void HideTest1()
{
string file = PathHelper.GetFilePath(@"\Data\testDocx.docx");
string coverImageUri = PathHelper.GetFilePath(@"\Data\boy.bmp");
Bitmap imgTohide = new Bitmap(coverImageUri);
var expected = FileTransform.File2ByteArray(file);
HideLSB.Hide(ref imgTohide, expected);
byte[] actual = HideLSB.DeHide(imgTohide);
CollectionAssert.AreEqual(expected, actual);
}
public void WriteFileBodyTest1()
{
string dataPath = PathHelper.GetFilePath(@"\Data\testPng.png");
byte[] bytesExpect = FileTransform.File2ByteArray(dataPath);
string imagePath = PathHelper.GetFilePath(@"\Data\boy.bmp");
Bitmap image = new Bitmap(imagePath);
HideLSB.WriteFileBody(ref image, bytesExpect, 0, 0);
byte[] bytesActual = HideLSB.ReadFileBody(image, bytesExpect.Length * 8, 0, 0);
CollectionAssert.AreEqual(bytesExpect, bytesActual);
}
public void File2ByteArrayTest()
{
string srcPath = PathHelper.GetFilePath(@"/Data/testDocx.docx");
string outPath = PathHelper.GetFilePath("/Data/testDocx_out.docx");
var expected = FileTransform.File2ByteArray(srcPath);
FileTransform.ByteArray2File(outPath, expected);
var actual = FileTransform.File2ByteArray(outPath);
File.Delete(outPath);
CollectionAssert.AreEqual(expected, actual);
}
public void ExecuteHideFile(object args)
{
try
{
var hideOption = this.GetHideOptionFromView((Window)args);
if (hideOption == null)
{
return;
}
var fileBytesToHide = FileTransform.File2ByteArray(hideOption.FilePath);
var zipedCoverImageBytes = Zip.Compress(fileBytesToHide);
IEncryption encryptor = EncryptionFactory.CreateEncryption(hideOption.EncryptionAlg);
var ciphertext = encryptor.Encrypt(zipedCoverImageBytes, this.StrPassword2UintArr(hideOption.Password));
var tmpBitmapCacheToHide =
this._coverImageBitmapCache.Clone(
new Rectangle(0, 0, this._coverImageBitmapCache.Width, this._coverImageBitmapCache.Height),
this._coverImageBitmapCache.PixelFormat);
HideLSB.Hide(ref tmpBitmapCacheToHide, ciphertext);
this._hiddenImageBitmapCache = tmpBitmapCacheToHide;
this.HiddenImage = FileTransform.Bitmap2BitmapImage(this._hiddenImageBitmapCache);
}
catch (ImageHideCapacityTooSmallException)
{
this.ShowMessageBoxResource("HidingCapacityNotEnough", "Hint", MessageBoxButton.OK, MessageBoxImage.Information);
}
catch (IOException)
{
this.ShowMessageBoxResource("FileOpenError", "Error");
}
catch (Exception)
{
this.ShowMessageBoxResource("UnknownError", "Error");
}
}