static void Main(string[] args)
{
//---------- B B S ----------------
int[] seq = new int[length];
Console.WriteLine($"n = {n} (число Блюма)");
Console.WriteLine($"x = {x}\n");
int buf = x;
long OldTicks = DateTime.Now.Ticks;
for (int i = 0; i < length; i++)
{
buf = BBSnext(buf, i);
seq[i] = buf;
}
Console.Write("\nПСП = ");
foreach (int item in seq)
{
Console.Write($"{item}; ");
}
Console.WriteLine($"\nВремя зашифрования: {(DateTime.Now.Ticks - OldTicks) / 1000} мс");
//----------- R C 4 ---------------
Console.WriteLine("\n\n\n ----------- R C 4 ---------------\n");
int[] ikey = { 1, 11, 21, 31, 41, 51 };
byte[] key = new byte[ikey.Length];
for (int i = 0; i < ikey.Length; i++)
{
key[i] = Convert.ToByte(ikey[i]);
}
RC4 rc = new RC4(key);
RC4 rc2 = new RC4(key);
byte[] testBytes = ASCIIEncoding.ASCII.GetBytes("Julia Chistyakova Alexandrovna");
byte[] encrypted = rc.Encode(testBytes, testBytes.Length);
Console.WriteLine($"Зашифрованнная строка : {ASCIIEncoding.ASCII.GetString(encrypted)}");
byte[] decrypted = rc2.Encode(encrypted, encrypted.Length);
Console.WriteLine($"Рашифрованнная строка : {ASCIIEncoding.ASCII.GetString(decrypted)}");
Console.ReadKey();
}
static void Main(string[] args)
{
byte[] key = ASCIIEncoding.ASCII.GetBytes("61");
RC4 encoder = new RC4(key);
string test = "Romanovich Nikita";
byte[] testBytes = ASCIIEncoding.ASCII.GetBytes(test);
byte[] result = encoder.Encode(testBytes, testBytes.Length);
Console.WriteLine(Encoding.Default.GetString(result));
RC4 decoder = new RC4(key);
byte[] decryptedBytes = decoder.Decode(result, result.Length);
string decryptedString = ASCIIEncoding.ASCII.GetString(decryptedBytes);
Console.WriteLine(decryptedString);
Console.ReadKey();
}
