public Task <IActionResult> DecipherRSA([FromForm] RSARequest obj)
{
if (obj.File.Length > 0)
{
if (!Directory.Exists(_environment.WebRootPath + "\\Cipher2\\"))
{
Directory.CreateDirectory(_environment.WebRootPath + "\\Cipher2\\");
}
using var _fileStream = System.IO.File.Create(_environment.WebRootPath + "\\Cipher2\\" + obj.File.FileName);
obj.File.CopyTo(_fileStream);
_fileStream.Flush();
_fileStream.Close();
string FilePublic = "PublicKey.txt";
if (!Directory.Exists(_environment.WebRootPath + "\\Cipher2\\"))
{
Directory.CreateDirectory(_environment.WebRootPath + "\\Cipher2\\");
}
using var _fileStreamPublic = System.IO.File.Create(_environment.WebRootPath + "\\Cipher2\\" + FilePublic);
_fileStreamPublic.Flush();
_fileStreamPublic.Close();
caesar.Decipher(_environment.WebRootPath + "\\Cipher2\\" + obj.File.FileName, rsa.GeneratePublicKey(obj.P, obj.Q, obj.Key, _environment.WebRootPath + "\\Cipher2\\" + FilePublic), _environment.WebRootPath + "\\Cipher2\\" + obj.Name + ".txt");
return(DownloadZIP());
}
return(null);
}
private void ClientConnected(object sender, Server.ClientConnectedEventArgs e)
{
Console.WriteLine("Client connected");
var caesar = new Caesar {
Alphabet = "abcdefghijklmnopqrstuvwxyzåäö",
Shift = 0
};
using (var stream = e.Client.GetStream())
using (var reader = new StreamReader(stream, Encoding.UTF8))
using (var writer = new StreamWriter(stream, Encoding.UTF8)) {
while (!reader.EndOfStream)
{
var received = reader.ReadLine();
for (caesar.Shift = 0; caesar.Shift < caesar.Alphabet.Length; caesar.Shift++)
{
writer.WriteLine(caesar.Decipher(received));
}
writer.WriteLine();
writer.Flush();
}
}
e.Client.Close();
Console.WriteLine("Client disconnected");
}
public void Decipher()
{
var inputString = "Åcglsftfzzf vkvålåhhu ucrcffu zvzphhspzääååh qh rcrcf lzppuåcf åhp hpuhrpu åhyöpååhlzzh wpåff äzrhsåhh höhåh zääuzh rvrvärzpzzh.";
var expectedString = "Työelämässä odotetaan nykyään sosiaalisuutta ja kykyä esiintyä tai ainakin tarvittaessa pitää uskaltaa avata suunsa kokouksissa.";
var caesar = new Caesar {
Alphabet = "abcdefghijklmnopqrstuvwxyzåäö",
Shift = 7
};
var returnedString = caesar.Decipher(inputString);
Assert.True(expectedString == returnedString, "The input string was not deciphered correctly. " + returnedString);
}
public Task <IActionResult> DecipherCaesar([FromForm] CipherCaesarRequest DecipherCaesarRequest)
{
if (DecipherCaesarRequest.File.Length > 0)
{
if (!Directory.Exists(_environment.WebRootPath + "\\Decipher\\"))
{
Directory.CreateDirectory(_environment.WebRootPath + "\\Decipher\\");
}
using var _fileStream = System.IO.File.Create(_environment.WebRootPath + "\\Decipher\\" + DecipherCaesarRequest.File.FileName);
DecipherCaesarRequest.File.CopyTo(_fileStream);
_fileStream.Flush();
_fileStream.Close();
CaesarCipher.Decipher(_environment.WebRootPath + "\\Decipher\\" + DecipherCaesarRequest.File.FileName, DecipherCaesarRequest.Key, _environment.WebRootPath + "\\Decipher\\" + DecipherCaesarRequest.Name + ".txt");
return(GetFile(Convert.ToString(DecipherCaesarRequest.Name), "\\Decipher\\"));
}
return(null);
}