public bool checkVoice(BigInteger voice_n, BigInteger voice_s)
{
checkLeft = new BigInteger(Math.Abs(voice_n.GetHashCode()) + "");
checkRight = new BigInteger(MyModPowBigInteger
.FastModuloExponentiation(voice_s, server.d, server.n) + "");
if (checkLeft.CompareTo(checkRight) == 0)
{
return(true);
}
return(false);
}
public void generateSV()
{
EvklidBigInteger evklid = new EvklidBigInteger();
BigInteger tmp_s;
do
{
tmp_s = BigInteger.ProbablePrime(bitLength, new Random());
} while (!tmp_s.IsProbablePrime(10) && evklid.gcd(tmp_s, n).CompareTo(BigInteger.One) != 0);
s = tmp_s;
v = MyModPowBigInteger.FastModuloExponentiation(s, BigInteger.Two, n);
}
public void generateV(string password)
{
if (password == null || password == "" || !checkOnSymbol(password))
{
s = new BigInteger("2");
}
else
{
s = new BigInteger(password);
}
v = MyModPowBigInteger.FastModuloExponentiation(s, BigInteger.Two, n);
}
public BigInteger sendY()
{
if (e == 0)
{
return(r);
}
else if (e == 1)
{
return(MyModPowBigInteger.FastModuloExponentiation(
r.Multiply(MyModPowBigInteger.FastModuloExponentiation(s, BigInteger.One, n)),
BigInteger.One,
n));
}
return(BigInteger.Zero);
}
public void takeCardReferee()
{
Player referee = Model.players.Last();
foreach (Player p_iter in Model.players)
{
if (p_iter == referee)
{
continue;
}
Model.deck[0] = MyModPowBigInteger.FastModuloExponentiation(Model.deck[0], p_iter.d, Model.p);
}
referee.cards.Add(MyModPowBigInteger.FastModuloExponentiation(Model.deck[0], referee.d, Model.p));
Model.deck.RemoveAt(0);
}
public void takeCards(Player player)
{
List <BigInteger> cards = new List <BigInteger>();
foreach (Player p_iter in Model.players)
{
if (p_iter == player)
{
continue;
}
Model.deck[0] = MyModPowBigInteger.FastModuloExponentiation(Model.deck[0], p_iter.d, Model.p);
Model.deck[1] = MyModPowBigInteger.FastModuloExponentiation(Model.deck[1], p_iter.d, Model.p);
}
cards.Add(MyModPowBigInteger.FastModuloExponentiation(Model.deck[0], player.d, Model.p));
cards.Add(MyModPowBigInteger.FastModuloExponentiation(Model.deck[1], player.d, Model.p));
Model.deck.RemoveAt(0);
Model.deck.RemoveAt(0);
player.cards = cards;
}
public bool responseY(BigInteger y)
{
if (y.CompareTo(BigInteger.Zero) == 0)
{
check++;
return(false);
}
BigInteger left = y.Multiply(y);
BigInteger right = MyModPowBigInteger.FastModuloExponentiation(
x.Multiply(MyModPowBigInteger.FastModuloExponentiation(v, new BigInteger(e.ToString()), n)),
BigInteger.One,
n);
left_check = left.ToString();
right_check = right.ToString();
if (left.CompareTo(right) == 0)
{
return(true);
}
return(false);
}
public void encrypt()
{
foreach (Player player in Model.players)
{
Model.deck = Model.deck.Select(x => MyModPowBigInteger.FastModuloExponentiation(x, player.c, Model.p)).ToList();
//Model.deck = Model.deck.OrderBy().ToList();
BigInteger min = Model.deck[0];
int num = 0;
for (int i = 0; i < Model.deck.Count; i++)
{
min = Model.deck[i];
num = i;
for (int j = i + 1; j < Model.deck.Count - 1; j++)
{
if (min.CompareTo(Model.deck[j]) > 0)
{
min = Model.deck[j];
num = j;
}
}
BigInteger tmp = Model.deck[i]; Model.deck[i] = Model.deck[num]; Model.deck[num] = tmp;
}
}
}
public BigInteger getTicket(BigInteger _h)
{
return(MyModPowBigInteger.FastModuloExponentiation(_h, server.c, server.n));
}
protected void Vote()
{
EvklidBigInteger evklid = new EvklidBigInteger();
if (string.IsNullOrEmpty(voice.name))
{
titleName = "Введите имя";
checkResult = "Голосуйте, мы вам не мешаем";
destruct();
return;
}
else
{
titleName = "Здравствуйте, " + voice.name;
}
if (Voise == 0)
{
Text = "Введите свой голос!";
return;
}
string filename = "Resource/people.txt";
try {
using (StreamReader reader = new StreamReader(filename)) {
string line;
while ((line = reader.ReadLine()) != null)
{
if (voice.name == line)
{
checkResult = "Не голосуйте повторно";
return;
}
}
reader.Close();
}
using (StreamWriter writer = new StreamWriter(filename, true)) {
string line = voice.name + "\n";
writer.Write(line);
writer.Close();
}
}
catch (Exception e) {
Console.WriteLine(e.Message);
}
voice.bitLength = 512;
voice.n = BigInteger.ProbablePrime(voice.bitLength, new Random());
int h_key = key[Voise].GetHashCode();
voice.n = voice.n.Add(new BigInteger(h_key.ToString()));
BigInteger tmp_r;
do
{
tmp_r = BigInteger.ProbablePrime(32, new Random());
} while (evklid.gcd(tmp_r, server.getN()).CompareTo(BigInteger.One) != 0);
voice.r = tmp_r;
voice.h = new BigInteger(Math.Abs(voice.n.GetHashCode()) + "");
voice._h = voice.h.Multiply(MyModPowBigInteger.FastModuloExponentiation(voice.r, server.getD(), server.getN()));
voice._s = server.getTicket(voice._h);
voice.s = voice._s.Multiply(voice.r.ModInverse(server.getN()));
if (server.checkVoice(voice.n, voice.s))
{
checkResult = "Благодарим, вы успешно проголосовали";
}
else
{
checkResult = "Ошибка";
}
filename = "Resource/resultVoises.txt";
try {
using (StreamReader reader = new StreamReader(filename)) {
string line;
while ((line = reader.ReadLine()) != null)
{
string lineInput = voice.n.ToString() + " " + voice.s.ToString();
if (lineInput == line)
{
checkResult = "У разных Имен совпали подписи";
return;
}
}
reader.Close();
}
using (StreamWriter writer = new StreamWriter(filename, true)) {
string line = voice.n + " " + voice.s + "\n";
writer.Write(line);
writer.Close();
}
}
catch (Exception e) {
Console.WriteLine(e.Message);
}
}
public BigInteger sendX()
{
generateR();
return(MyModPowBigInteger.FastModuloExponentiation(r, BigInteger.Two, n));
}
