public IActionResult getPublicKey(int a, int b)
{
Diffie secretKey = new Diffie(a, b);
Data.Instance.secretKey = secretKey.generateKey();
return(RedirectToAction(nameof(Index)));
}
public FileResult Upload()
{
var file = Request.Form.Files[0];
string type_cipher = Request.Form["tipo"];
int BufferLength = 100;
//lectura archivo
var folderName = Path.Combine("Resources", "Files");
var pathToSave = Path.Combine(Directory.GetCurrentDirectory(), folderName);
if (!Directory.Exists(pathToSave))
{
Directory.CreateDirectory(pathToSave);
}
string extension = Path.GetExtension(file.FileName);
var buffer = new byte[100];
if (extension == ".txt")
{
if (file.Length > 0)
{
var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
var fullPath = Path.Combine(pathToSave, fileName);
string file_nameN = "cifrado.txt";
string pathToSave1 = Path.Combine(pathToSave, "Archivos"); //Carpeta donde estarán los archivos que devuelve cesar
string pathToSaveK = Path.Combine(pathToSave, "Keys"); //Carpeta donde estarán los archivos de las llaves
//Archivos que devuelve cesar
string fullPathC = Path.Combine(pathToSave1, file_nameN);
string PathKey = Path.Combine(pathToSave1, "key.txt");
if (Directory.Exists(pathToSave1))
{
FileInfo f = new FileInfo(fullPathC);
if (f.Exists)
{
f.Delete();
}
f = new FileInfo(PathKey);
if (f.Exists)
{
f.Delete();
}
}
else
{
Directory.CreateDirectory(pathToSave1);
}
//Archivos con las llaves
string PathPubl = Path.Combine(pathToSaveK, "public.txt");
string PathPriv = Path.Combine(pathToSaveK, "private.txt");
if (Directory.Exists(pathToSaveK))
{
FileInfo f = new FileInfo(PathPubl);
f.Delete();
f = new FileInfo(PathPriv);
f.Delete();
}
else
{
Directory.CreateDirectory(pathToSaveK);
}
string clave = Request.Form["clave"];
int cl = int.Parse(clave);
Cesar2 cif = new Cesar2();
cif.LlenarDiccionarios();
if (type_cipher == "rsa")
{
//clave mayor a 26
if (cl > 25)
{
int n = -(26 - cl);
cl = n;
}
cif.LlenarClaveInt(cl);
using (var stream = new FileStream(fullPathC, FileMode.Create))
{
//ya se creó el archivo
}
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
}
using (var stream = new FileStream(fullPath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(stream))
{
while (br.BaseStream.Position != br.BaseStream.Length)
{
buffer = br.ReadBytes(BufferLength); //llenar el buffer
cif.Cifrar(buffer);
cif.EscribirCifrado(fullPathC);
}
}
}
string auxp = Request.Form["p"];
string auxq = Request.Form["q"];
int p = int.Parse(auxp);
int q = int.Parse(auxq);
CifradoRSA cifa = new CifradoRSA();
if (cifa.VerificarPrimo(p) && cifa.VerificarPrimo(q))
{
cifa.p = p;
cifa.q = q;
cifa.n = (cifa.p) * (cifa.q); //generando N
cifa.z = (cifa.p - 1) * (cifa.q - 1); //Generando phu
cifa.GenerandoE();
//cifa.e = 17;
cifa.CalcularD();
cifa.Cifrar(PathKey, cl);
using (var stream = new FileStream(PathPubl, FileMode.Create))
{
//ya se creó el archivo
}
using (var stream = new FileStream(PathPriv, FileMode.Create))
{
//ya se creó el archivo
}
cifa.EscribirArchPriv(PathPriv);
cifa.EscribirArchPubl(PathPubl);
// cifa
string pathToSaveZip = Path.Combine(Directory.GetCurrentDirectory(), "Comprimido");
string archzip = Path.Combine(pathToSaveZip, "archivos.zip");
if (Directory.Exists(pathToSaveZip))
{
FileInfo f = new FileInfo(archzip);
f.Delete();
}
else
{
Directory.CreateDirectory(pathToSaveZip);
}
ZipFile.CreateFromDirectory(pathToSave1, archzip);
var stream1 = new FileStream(archzip, FileMode.Open);
return(File(stream1, System.Net.Mime.MediaTypeNames.Application.Octet, "archivo.zip"));
}
else
{
return(null);
}
}
else if (type_cipher == "diffie")
{
string auxB = Request.Form["B"];
Diffie cifa = new Diffie();
cifa.priv = Convert.ToInt32(cl);
cifa.publ = Convert.ToInt32(auxB);
cifa.CalcularPubl();
cl = cifa.k;
//clave mayor a 26
if (cl > 25)
{
int n = -(25 - cl);
cl = n;
}
cif.LlenarClaveInt(cl);
using (var stream = new FileStream(fullPathC, FileMode.Create))
{
//ya se creó el archivo
}
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
}
using (var stream = new FileStream(fullPath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(stream))
{
while (br.BaseStream.Position != br.BaseStream.Length)
{
buffer = br.ReadBytes(BufferLength); //llenar el buffer
cif.Cifrar(buffer);
cif.EscribirCifrado(fullPathC);
}
}
}
cifa.EscribirArch(PathPubl, PathPriv);
var stream1 = new FileStream(fullPathC, FileMode.Open);
return(File(stream1, System.Net.Mime.MediaTypeNames.Application.Octet, "cifrado.txt"));
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
public FileResult Upload()
{
var file = Request.Form.Files[0];
string type_cipher = Request.Form["tipo"];
int BufferLength = 100;
//lectura archivo
var folderName = Path.Combine("Resources", "Files");
var pathToSave = Path.Combine(Directory.GetCurrentDirectory(), folderName);
if (!Directory.Exists(pathToSave))
{
Directory.CreateDirectory(pathToSave);
}
string extension = Path.GetExtension(file.FileName);
var buffer = new byte[100];
if (extension == ".txt")
{
if (file.Length > 0)
{
var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
var fullPath = Path.Combine(pathToSave, fileName);
string file_nameN = "descifrado.txt";
string pathToSave1 = Path.Combine(pathToSave, "Archivos"); //Carpeta donde estarán los archivos que devuelve cesar
//Archivos que devuelve cesar
string fullPathC = Path.Combine(pathToSave1, file_nameN);
if (Directory.Exists(pathToSave1))
{
FileInfo f = new FileInfo(fullPathC);
if (f.Exists)
{
f.Delete();
}
}
else
{
Directory.CreateDirectory(pathToSave1);
}
string clave = Request.Form["clave"];
int cl = int.Parse(clave);
if (type_cipher == "rsa")
{
string auxe = Request.Form["e"];
string auxn = Request.Form["n"];
CifradoRSA cifa = new CifradoRSA();
cifa.e = Convert.ToInt32(auxe);
cifa.n = Convert.ToInt32(auxn);
cl = cifa.DesCifrar(cl);
}
else if (type_cipher == "diffie")
{
string auxB = Request.Form["B"];
Diffie cifa = new Diffie();
cifa.priv = Convert.ToInt32(cl);
cifa.publ = Convert.ToInt32(auxB);
cifa.CalcularPubl();
cl = cifa.k;
}
else
{
return(null);
}
Cesar2 cif = new Cesar2();
cif.LlenarDiccionarios();
//clave mayor a 26
if (cl > 25)
{
int n = -(25 - cl);
cl = n;
}
cif.LlenarClaveInt(cl);
using (var stream = new FileStream(fullPathC, FileMode.Create))
{
//ya se creó el archivo
}
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
}
using (var stream = new FileStream(fullPath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(stream))
{
while (br.BaseStream.Position != br.BaseStream.Length)
{
buffer = br.ReadBytes(BufferLength); //llenar el buffer
cif.DesCifrar(buffer);
cif.EscribirCifrado(fullPathC);
}
}
}
var stream1 = new FileStream(fullPathC, FileMode.Open);
return(File(stream1, System.Net.Mime.MediaTypeNames.Application.Octet, "archivo.zip"));
}
else
{
return(null);
}
}
else
{
return(null);
}
}
