premo abdou

int EncryptLoopCount = 4; public string BasicEncrypt(string data, string encryptkey) { if (string.IsNullOrEmpty(data)) throw (new ArgumentNullException("data")); if (string.IsNullOrEmpty(encryptkey)) throw (new ArgumentNullException("encryptkey")); int[] vals = MakeArray(data, true); int[] keys = MakeArray(encryptkey, false); for (int t = 0; t < EncryptLoopCount; t++) { for (int i = 0; i < vals.Length; i++) { int v = vals[i]; int im = (v + i) % 5; for (int x = 0; x < vals.Length; x++) { if (x == i) continue; if (x % 5 != im) continue; for (int y = 0; y < keys.Length; y++) { int k = keys[y]; if (k == 0) continue; vals[x] += v % k; } } } } return BasicFormat(vals); } public string BasicFormat(int[] vals) { StringBuilder sb = new StringBuilder(); foreach (int i in vals) { if (sb.Length > 0) sb.Append("-"); sb.Append(i); } return sb.ToString(); } public int[] MakeArray(string str, bool random) { int len = (int)Math.Pow(2, Math.Floor(Math.Log(str.Length, 2)) + 1) + 8; if (len < 32) len = 32; int[] arr = new int[len]; if (random) { Random r = new Random(); for (int i = 0; i < arr.Length; i++) arr[i] = str[r.Next() % str.Length]; int start = 1 + r.Next() % (len - str.Length - 2); for (int i = 0; i < str.Length; i++) arr[start + i] = str[i]; arr[start - 1] = 0; arr[start + str.Length] = 0; } else { for (int i = 0; i < arr.Length; i++) arr[i] = str[i % str.Length]; } return arr; }