public static void Alice()
{
var reader = new BinaryReader(File.Open($"tests/tt.txt", FileMode.Open));
var writer = new BinaryWriter(File.Open($"tests/ttt.txt", FileMode.Create));
var(n, e, d) = KeyGenerator.GetRsaKeys();
var rsa = new Rsa(n, e, d);
rsa.Encrypt(reader, writer);
reader = new BinaryReader(File.Open($"tests/ttt.txt", FileMode.Open));
var M = reader.ReadBytes((int)reader.BaseStream.Length);
var dh = new DiffieHellman();
var(g, p, A) = dh.AlicePass();
Console.WriteLine(g + " " + p + " " + A);
var B = BigInteger.Parse(Console.ReadLine());
dh.AliceSetB(B);
var K = dh.AliceCulcK();
var elgamal = new Elgamal();
Console.WriteLine(elgamal.g + " " + elgamal.p + " " + elgamal.y);
var sha = new SHA256Managed();
var m = sha.ComputeHash(M);
var pack = elgamal.GetMessagePack(m);
var res = pack.Xor(K.ToByteArray());
writer = new BinaryWriter(File.Open($"tests/tttt.txt", FileMode.Create));
writer.Write(res);
writer.Close();
}
public static void Test()
{
var reader = new BinaryReader(File.Open("tests/encrypted.txt", FileMode.Open));
var writer = new BinaryWriter(File.Open("tests/decrypted.txt", FileMode.Create));
var d = new BigInteger(reader.ReadBytes(32).Reverse().ToArray().Extend());
var n = new BigInteger(reader.ReadBytes(32).Reverse().ToArray().Extend());
if (d != BigInteger.Parse("6126098115646990325497939754751346680273131840506753785808675623744493660811"))
{
throw new Exception("Invalid d");
}
if (n != BigInteger.Parse("11714199531846391552190233593088023207845451372578311171850728357335472002497"))
{
throw new Exception("Invalid n");
}
var e = BigInteger.Parse("8486391357485896322440256533131770617523773615720428244581337759609685018543");
var rsa = new Rsa(n, e, d);
rsa.Decrypt(reader, writer);
reader = new BinaryReader(File.Open("tests/decrypted.txt", FileMode.Open));
writer = new BinaryWriter(File.Open("tests/reencrypted.txt", FileMode.Create));
rsa.Encrypt(reader, writer);
reader = new BinaryReader(File.Open("tests/reencrypted.txt", FileMode.Open));
writer = new BinaryWriter(File.Open("tests/redecrypted.txt", FileMode.Create));
d = new BigInteger(reader.ReadBytes(32).Reverse().ToArray().Extend());
n = new BigInteger(reader.ReadBytes(32).Reverse().ToArray().Extend());
rsa.Decrypt(reader, writer);
}
public static void PaddingTest()
{
for (var i = 1; i <= 8; ++i)
{
var reader = new BinaryReader(File.Open($"tests/padding_{i}.in.txt", FileMode.Open));
var writer = new BinaryWriter(File.Open($"tests/padding_{i}.out.txt", FileMode.Create));
var(n, e, d) = KeyGenerator.GetRsaKeys();
var rsa = new Rsa(n, e, d);
rsa.Encrypt(reader, writer);
reader = new BinaryReader(File.Open($"tests/padding_{i}.out.txt", FileMode.Open));
writer = new BinaryWriter(File.Open($"tests/padding_{i}.out.dec.txt", FileMode.Create));
d = new BigInteger(reader.ReadBytes(32).Reverse().ToArray().Extend());
n = new BigInteger(reader.ReadBytes(32).Reverse().ToArray().Extend());
rsa.Decrypt(reader, writer);
}
}