85 lines
2.8 KiB
C#
85 lines
2.8 KiB
C#
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using System.Text.RegularExpressions;
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namespace sp_keygen
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{
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internal class Program
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{
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static void Main(string[] args)
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{
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if (args.Length != 2)
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{
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Console.WriteLine("Usage: sp_keygen.exe <Name> <RegKey>");
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return;
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}
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string Name = args[0];
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string RegKey = args[1];
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string pattern = @"^[1-9]{3}-[1-9]{3}-[1-9]{3}-[A-Z]$";
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if (Name.Length < 5 || RegKey.Length != 13 || !Regex.IsMatch(RegKey, pattern))
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{
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Console.WriteLine("Invalid input");
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return;
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}
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for (int serialNum = 11111; serialNum <= 99999; serialNum++)
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{
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string Serial = serialNum.ToString();
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string pattern2 = @"^[1-9]+$";
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if (!Regex.IsMatch(Serial.ToString(), pattern2))
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continue;
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char[] charArray = Name.ToCharArray();
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Array.Reverse(charArray);
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int charSum = 0;
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foreach (char c in charArray)
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{
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charSum += c;
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}
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string csbin = Convert.ToString(charSum, 2);
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char[] csbinArray = csbin.ToCharArray();
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int n1Num = 0;
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foreach (char c in csbinArray)
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{
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if (c == '1')
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n1Num++;
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}
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int regSum = 0;
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for (int i = 0; i < RegKey.Length; i++)
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{
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if (i == 3 || i == 7 || i == 11)
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continue;
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else if (i == 12)
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{
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regSum += RegKey[i] % 2;
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continue;
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}
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int n = int.Parse(RegKey[i].ToString());
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if (i < 3)
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regSum += n * (0xB - (i + 1));
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else if (i < 7)
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regSum += n * (0xC - (i + 1));
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else if (i < 11)
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regSum += n * (0xD - (i + 1));
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}
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double Sum = Math.Pow(regSum, n1Num);
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long Suml = (long)Sum;
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int mod = (int)(Suml % serialNum);
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if (IsPrime(mod))
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{
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Console.WriteLine("Valid Serial: " + Serial);
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break;
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}
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}
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}
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public static bool IsPrime(int number)
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{
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if (number <= 1) return false;
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if (number <= 3) return true;
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if (number % 2 == 0 || number % 3 == 0) return false;
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for (int i = 5; i * i <= number; i += 6)
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{
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if (number % i == 0 || number % (i + 2) == 0) return false;
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}
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return true;
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}
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}
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}
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