private void Encode_Click(object sender, EventArgs e)
{
//var len = TwofishAlgo.testKey.Length;
var openMessage = File.ReadAllText(@WayFrom.Text);
var openMessageBin = StringMethods.ConvertTextToBinString(openMessage);
List <string> encodedBlocks = new List <string>();
List <byte> intViewOfBytes = new List <byte>();
string result = "";
//byte[] bytesResult = new byte[];
if (openMessageBin.Length % 128 != 0)
{
for (int i = openMessageBin.Length % 128; i < 128; i++)
{
openMessageBin += "0";
}
}
var blocks128bit = StringMethods.StringToList(openMessageBin, 128);
foreach (string block in blocks128bit)
{
encodedBlocks.Add(TwofishAlgo.Cyphering(block, TwofishAlgo.testKey));
}
var binaryResultString = StringMethods.ListToString(encodedBlocks);
var bytesResultHashset = StringMethods.StringToList(binaryResultString, 8);
foreach (string resultByte in bytesResultHashset)
{
intViewOfBytes.Add(Convert.ToByte(Convert.ToInt32(resultByte, 2)));
}
var arrayOfBytes = intViewOfBytes.ToArray();
Encoding encoding = Encoding.GetEncoding(1251);
for (int i = 0; i < arrayOfBytes.Count(); i++)
{
byte [] oneByte = new byte[1];
oneByte [0] = arrayOfBytes[i];
result += encoding.GetString(oneByte);
}
File.WriteAllText(WayTo.Text, result, Encoding.UTF8);
var fileName = Convert.ToString(DateTime.Now).Replace(":", "_");
string keyPath = "G:\\KINGSTON\\8 сем\\КМЗИ\\лаб3+дз\\" + fileName + ".txt";
File.WriteAllText(keyPath, TwofishAlgo.testKey);
}
private void Decypher_Click(object sender, EventArgs e)
{
var closedMessage = File.ReadAllText(@WayFrom.Text);
var key = File.ReadAllText(@KeyWay.Text);
var closedMessageBin = StringMethods.ConvertTextToBinString(closedMessage);
List <string> decodedBlocks = new List <string>();
List <byte> intViewOfBytes = new List <byte>();
string result = "";
if (closedMessageBin.Length % 128 != 0)
{
for (int i = closedMessageBin.Length % 128; i < 128; i++)
{
closedMessageBin += "0";
}
}
var blocks128bit = StringMethods.StringToList(closedMessageBin, 128);
foreach (string block in blocks128bit)
{
decodedBlocks.Add(TwofishAlgo.Decyphering(block, key));
}
var binaryResultString = StringMethods.ListToString(decodedBlocks);
var bytesResultHashset = StringMethods.StringToList(binaryResultString, 8);
foreach (string resultByte in bytesResultHashset)
{
intViewOfBytes.Add(Convert.ToByte(Convert.ToInt32(resultByte, 2)));
}
var arrayOfBytes = intViewOfBytes.ToArray();
Encoding encoding = Encoding.GetEncoding(1251);
for (int i = 0; i < arrayOfBytes.Count(); i++)
{
byte[] oneByte = new byte[1];
oneByte[0] = arrayOfBytes[i];
result += encoding.GetString(oneByte);
}
File.WriteAllText(WayTo.Text, result, Encoding.UTF8);
}