public ActionResult GenerarLlaver(int p, int q)
{
RSAprocess llaves = new RSAprocess();
SubirArchivo obtencionLllaves = new SubirArchivo();
obtencionLllaves.P = p;
obtencionLllaves.Q = q;
string key = (Server.MapPath(@"~\LlavesGeneradas\"));
llaves.GenerandoLlaves(p, q, key);
return(View());
}
public void lecturasRSA(string rutallave, string rutatexto, int cif)
{
RSAprocess rsa = new RSAprocess();
var byteBufferKey = new byte[bufferLength];
var byteBufferText = new byte[bufferLength];
using (var stream = new FileStream(rutallave, FileMode.Open))
{
using (var reader = new BinaryReader(stream))
{
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
byteBufferKey = reader.ReadBytes(bufferLength);
}
}
}
string converted = Encoding.ASCII.GetString(byteBufferKey, 0, byteBufferKey.Length);
string[] llaves = converted.Split(',');
using (var stream = new FileStream(rutatexto, FileMode.Open))
{
using (var reader = new BinaryReader(stream))
{
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
byteBufferText = reader.ReadBytes(bufferLength);
}
}
}
var nuevoCifrado = new List <byte>();
string ruta = string.Empty;
string[] path = rutatexto.Split('.');
if (cif == 1)
{
ruta = path[0] + ".rsacif";
for (int i = 0; i < byteBufferText.Length; i++)
{
var byteInicial = rsa.CifrandoRSA(byteBufferText[i], Convert.ToInt32(llaves[0]), Convert.ToInt32(llaves[1]));
nuevoCifrado.Add(Convert.ToByte(rsa.CifrandoRSACantByte(byteInicial)));
nuevoCifrado.Add(Convert.ToByte(byteInicial % 256));
}
}
else if (cif == 2)
{
ruta = path[0] + "descif.txt";
for (var i = 0; i < byteBufferText.Length; i += 2)
{
var cantidadBytes = Convert.ToInt32(byteBufferText[i]) * 256;
var resto = Convert.ToInt32(byteBufferText[i + 1]);
var numDescifrar = cantidadBytes + resto;
nuevoCifrado.Add(Convert.ToByte(rsa.DescifrandoRSA(numDescifrar, Convert.ToInt32(llaves[0]), Convert.ToInt32(llaves[1]))));
}
}
using (var writeStream1 = new FileStream(ruta, FileMode.OpenOrCreate))
{
using (var writer = new BinaryWriter(writeStream1))
{
foreach (var caracter in nuevoCifrado)
{
writer.Write(caracter);
}
}
}
}
