private static void getPlainText(InfoAboutFile info, string fileToEncode, bool procType) // if file size more than 256 bytes, then need read file few times and return part of file
{
char[] array;
if (procType)
{
using (StreamReader fstream = new StreamReader(fileToEncode, Encoding.Default))
{
Console.WriteLine("read File to encode");
Console.WriteLine(fstream.BaseStream.Length);
sizeOfSourceMess = fstream.BaseStream.Length;
array = new char[fstream.BaseStream.Length];
fstream.Read(array, 0, array.Length);
info.plainText = new string(array);
}
}
else
{
using (StreamReader fstream = new StreamReader(fileToEncode, Encoding.UTF8))
{
Console.WriteLine("read File to decode");
Console.WriteLine(fstream.BaseStream.Length);
array = new char[fstream.BaseStream.Length];
fstream.Read(array, 0, array.Length);
info.plainText = new string(array);
}
}
}
private void Decode(object sender, RoutedEventArgs e)
{
if (!filenameEnc.fileIsEmpty() && !cypherKey.Text.fileIsEmpty())
{
string key = cypherKey.Text;
string fileToDecode = @"D:\RealEncAndCom\noteEncode.txt";
string decodedPath = @"D:\RealEncAndCom\noteDecode" + fileExtension;
InfoAboutFile encodedFile = new InfoAboutFile();
File.Delete(decodedPath);
getPlainText(encodedFile, fileToDecode, false);
string decodedText = rc4plus(encodedFile.plainText, key);
decodedText = decodedText.Substring(0, (int)sizeOfSourceMess);
processText(decodedPath, decodedText, false);
decLabel1.Content = "Файл был расшифрован!";
}
else
{
decLabel1.Content = "Файл не был расшифрован!";
}
}
private void Encode(object sender, RoutedEventArgs e)
{
if (!filenameEnc.fileIsEmpty() && !cypherKey.Text.fileIsEmpty())
{
string key = cypherKey.Text;
string fileToEncode = filenameEnc;
string encodePath = @"D:\RealEncAndCom\noteEncode.txt";
InfoAboutFile file = new InfoAboutFile();
File.Delete(encodePath);
getPlainText(file, fileToEncode, true);
string encodedText = rc4plus(file.plainText, key);
processText(encodePath, encodedText, true);
encLabel1.Content = "Файл был зашифрован!";
}
else
{
encLabel1.Content = "Файл не был зашифрован";
}
}
