static void Main(string[] args)
{
Console.WriteLine("\t\t\t\t\t\t\t- LAB 6 -\n\nKevin Romero 1047519\nJosé De León 1072619");
RSA_Algorithm rsa = new RSA_Algorithm();
Parameters parameters = new Parameters()
{
p = 9601, q = 8731
};
string texto = "Mejor que buscar la verdad sin método es no pensar nunca en ella, porque los estudios desordenados y las meditaciones oscuras turban las luces naturales de la razón y ciegan la inteligencia. -René Descártes";
Console.WriteLine("\nTEXTO ORIGINAL \n" + texto);
parameters = rsa.GetKey(parameters);
Console.WriteLine("\n-------- RSA -------------------------------------------------------------------------------------------------------");
Console.WriteLine("KEY\nValor n: " + parameters.n + "\nValor D: " + parameters.d + "\nValor E: " + parameters.e);
Console.WriteLine("\nTEXTO CIFRADO");
byte[] result_encrypt1 = rsa.Encrypt(parameters, ConvertToByte(texto));
Console.WriteLine(ConvertToChar(result_encrypt1));
Console.WriteLine("\nTEXTO DESCIFRADO");
byte[] result_Decrypt = rsa.Decrypt(parameters, result_encrypt1);
Console.WriteLine(ConvertToChar(result_Decrypt));
Console.ReadLine();
}
public void EncryptOrDecryptManage(string path, string file_name, string key_name, string nameOut)
{
byte[] buffer;
string file_path = path + $"\\Data\\Entrada\\{file_name}";
using (FileStream fs = new FileStream(file_path, FileMode.OpenOrCreate))
{
buffer = new byte[fs.Length];
using (var br = new BinaryReader(fs))
{
br.Read(buffer, 0, buffer.Length);
}
}
Parameters parameters = new Parameters();
string file_path_key = path + $"\\Data\\Entrada\\{key_name}";
string[] nameKey = key_name.Split(".");
using (StreamReader keys = new StreamReader(file_path_key))
{
parameters.n = int.Parse(keys.ReadLine());
if (nameKey[0] == "private")
{
parameters.d = int.Parse(keys.ReadLine());
parameters.e = parameters.d;
}
else if (nameKey[0] == "public")
{
parameters.e = int.Parse(keys.ReadLine());
parameters.d = parameters.e;
}
}
byte[] result;
string extension = file_name.Split(".")[1];
switch (extension)
{
case "txt":
result = new RSA_Algorithm().Encrypt(parameters, buffer);
OutFileName = nameOut + ".rsa";
OutFilePath = path + $"\\Data\\Salida\\" + OutFileName;
break;
case "rsa":
result = new RSA_Algorithm().Decrypt(parameters, buffer);
OutFileName = nameOut + ".txt";
OutFilePath = path + $"\\Data\\Salida\\" + OutFileName;
break;
default: throw new Exception();
}
using (var fs = new FileStream(OutFilePath, FileMode.OpenOrCreate))
{
fs.Write(result, 0, result.Length);
}
}
public void GeyKeys(string path, string p, string q)
{
Parameters parameters = new Parameters();
try
{
if (File.Exists($"{path}/../keys.zip"))
{
File.Delete($"{path}/../keys.zip");
}
if (File.Exists(path + "\\public.key"))
{
File.Delete(path + "\\public.key");
}
if (File.Exists(path + "\\private.key"))
{
File.Delete(path + "\\private.key");
}
parameters.p = int.Parse(p);
parameters.q = int.Parse(q);
RSA_Algorithm keys = new RSA_Algorithm();
parameters = keys.GetKey(parameters);;
FileStream publickeys = new FileStream((path + "\\public.key"), FileMode.Create);
publickeys.Close();
FileStream privatekeys = new FileStream((path + "\\private.key"), FileMode.Create);
privatekeys.Close();
using (StreamWriter writer = new StreamWriter(path + "\\public.key"))
{
writer.WriteLine(parameters.n);
writer.WriteLine(parameters.e);
}
using (StreamWriter writer = new StreamWriter(path + "\\private.key"))
{
writer.WriteLine(parameters.n);
writer.WriteLine(parameters.d);
}
}
catch (Exception)
{
throw;
}
}
