using System; using BestHTTP.SecureProtocol.Org.BouncyCastle.Math; using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier; using BestHTTP.SecureProtocol.Org.BouncyCastle.Security; using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; using Cpp2IlInjected; namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Generators { // Token: 0x02001D44 RID: 7492 [Token(Token = "0x2001D44")] internal class DHParametersHelper { // Token: 0x0600B9EE RID: 47598 RVA: 0x00286584 File Offset: 0x00284784 [Token(Token = "0x600B9EE")] [Address(RVA = "0x257D8A0", Offset = "0x257C8A0", VA = "0x18257D8A0")] private static BigInteger[] ConstructBigPrimeProducts(int[] primeProducts) { BigInteger[] array = new BigInteger[primeProducts.Length]; int num = 0; if (num < array.Length) { BigInteger bigInteger = BigInteger.ValueOf((long)primeProducts[num]); throw new ArrayTypeMismatchException(); } return array; } // Token: 0x0600B9EF RID: 47599 RVA: 0x002865D0 File Offset: 0x002847D0 [Token(Token = "0x600B9EF")] [Address(RVA = "0x257D9A0", Offset = "0x257C9A0", VA = "0x18257D9A0")] internal static BigInteger[] GenerateSafePrimes(int size, int certainty, SecureRandom random) { BigInteger bigInteger9; BigInteger bigInteger11; ulong num10; do { int num = size - 1; if (size > 32) { int num2 = 0; int num3; BigInteger bigInteger = new BigInteger(certainty, num3, random); num3 = 0; int[][] array = DHParametersHelper.primeLists; BigInteger bigInteger6; if (num2 < array.Length) { BigInteger[] bigPrimeProducts = DHParametersHelper.BigPrimeProducts; BigInteger bigInteger3; BigInteger bigInteger2 = bigInteger.Remainder(bigInteger3); int num4 = 0; int intValue = bigInteger2.IntValue; if (num2 == 0 && size != 2) { BigInteger bigInteger4 = BigInteger.ValueOf((long)size); BigInteger bigInteger5 = bigInteger.Add(bigInteger4); int[] array2 = DHParametersHelper.primeProducts; } int[][] array3 = DHParametersHelper.primeLists; if (num4 != 0 && num4 != random) { num2++; num2++; } BigInteger six = DHParametersHelper.Six; bigInteger6 = bigInteger.Add(six); } uint num5; ulong num6; if (bigInteger6.BitLength != num || !bigInteger6.RabinMillerTest((int)num5, random, num6 != 0UL)) { continue; } BigInteger bigInteger7 = bigInteger6.ShiftLeft(1); BigInteger one = BigInteger.One; BigInteger bigInteger8 = bigInteger7.Add(one); ulong num7; ulong num8; if (!bigInteger8.RabinMillerTest(certainty, random, num7 != 0UL) || (certainty > 2 && !bigInteger6.RabinMillerTest(certainty, random, num8 != 0UL))) { continue; } int nafWeight = WNafUtilities.GetNafWeight(bigInteger8); BigInteger[] array4 = new BigInteger[2]; } bigInteger9 = new BigInteger(certainty, 2, random); BigInteger bigInteger10 = bigInteger9.ShiftLeft(1); BigInteger one2 = BigInteger.One; bigInteger11 = bigInteger10.Add(one2); ulong num9; if (!bigInteger11.IsProbablePrime(certainty, num9 != 0UL)) { break; } while (certainty <= 2) { } } while (bigInteger9.IsProbablePrime(certainty, num10 != 0UL)); uint num11; BigInteger bigInteger12 = new BigInteger(certainty, (int)num11, random); bigInteger12.nBitLength = bigInteger11; if (bigInteger12 != 0) { } return bigInteger12; } // Token: 0x0600B9F0 RID: 47600 RVA: 0x0028674C File Offset: 0x0028494C [Token(Token = "0x600B9F0")] [Address(RVA = "0x257DFB0", Offset = "0x257CFB0", VA = "0x18257DFB0")] internal static BigInteger SelectGenerator(BigInteger p, BigInteger q, SecureRandom random) { BigInteger two = BigInteger.Two; BigInteger bigInteger = p.Subtract(two); BigInteger bigInteger2 = BigIntegers.CreateRandomInRange(BigInteger.Two, bigInteger, random); BigInteger two2 = BigInteger.Two; BigInteger bigInteger3 = bigInteger2.ModPow(two2, p); while (bigInteger3 != 0) { } return bigInteger3; } // Token: 0x0600B9F1 RID: 47601 RVA: 0x00286794 File Offset: 0x00284994 [Token(Token = "0x600B9F1")] [Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")] public DHParametersHelper() { } // Token: 0x0600B9F2 RID: 47602 RVA: 0x002867A8 File Offset: 0x002849A8 // Note: this type is marked as 'beforefieldinit'. [Token(Token = "0x600B9F2")] [Address(RVA = "0x257E0F0", Offset = "0x257D0F0", VA = "0x18257E0F0")] static DHParametersHelper() { BigInteger bigInteger; DHParametersHelper.Six = bigInteger; DHParametersHelper.primeLists = BigInteger.primeLists; DHParametersHelper.primeProducts = BigInteger.primeProducts; int[] array = DHParametersHelper.primeProducts; BigInteger[] array2 = new BigInteger[array.Length]; int num = 0; if (num < array2.Length) { BigInteger bigInteger2 = BigInteger.ValueOf((long)array[num]); throw new ArrayTypeMismatchException(); } DHParametersHelper.BigPrimeProducts = array2; } // Token: 0x04007541 RID: 30017 [Token(Token = "0x4007541")] private static readonly BigInteger Six; // Token: 0x04007542 RID: 30018 [Token(Token = "0x4007542")] private static readonly int[][] primeLists; // Token: 0x04007543 RID: 30019 [Token(Token = "0x4007543")] private static readonly int[] primeProducts; // Token: 0x04007544 RID: 30020 [Token(Token = "0x4007544")] private static readonly BigInteger[] BigPrimeProducts; } }