scripts

mscorlib/Mono/Math/Prime/Generator/NextPrimeFinder.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace Mono.Math.Prime.Generator
+{
+	// Token: 0x02000094 RID: 148
+	internal class NextPrimeFinder : SequentialSearchPrimeGeneratorBase
+	{
+		// Token: 0x0600083E RID: 2110 RVA: 0x0001E2E0 File Offset: 0x0001C4E0
+		protected override BigInteger GenerateSearchBase(int bits, object Context)
+		{
+			if (Context == null)
+			{
+				throw new ArgumentNullException("Context");
+			}
+			BigInteger bigInteger = new BigInteger((BigInteger)Context);
+			bigInteger.SetBit(0U);
+			return bigInteger;
+		}
+	}
+}

mscorlib/Mono/Math/Prime/Generator/PrimeGeneratorBase.cs

@@ -0,0 +1,47 @@
+using System;
+
+namespace Mono.Math.Prime.Generator
+{
+	// Token: 0x02000095 RID: 149
+	internal abstract class PrimeGeneratorBase
+	{
+		// Token: 0x170000E3 RID: 227
+		// (get) Token: 0x06000840 RID: 2112 RVA: 0x0001E31C File Offset: 0x0001C51C
+		public virtual ConfidenceFactor Confidence
+		{
+			get
+			{
+				return ConfidenceFactor.Medium;
+			}
+		}
+
+		// Token: 0x170000E4 RID: 228
+		// (get) Token: 0x06000841 RID: 2113 RVA: 0x0001E320 File Offset: 0x0001C520
+		public virtual PrimalityTest PrimalityTest
+		{
+			get
+			{
+				return new PrimalityTest(PrimalityTests.RabinMillerTest);
+			}
+		}
+
+		// Token: 0x170000E5 RID: 229
+		// (get) Token: 0x06000842 RID: 2114 RVA: 0x0001E330 File Offset: 0x0001C530
+		public virtual int TrialDivisionBounds
+		{
+			get
+			{
+				return 4000;
+			}
+		}
+
+		// Token: 0x06000843 RID: 2115 RVA: 0x0001E338 File Offset: 0x0001C538
+		protected bool PostTrialDivisionTests(BigInteger bi)
+		{
+			return this.PrimalityTest(bi, this.Confidence);
+		}
+
+		// Token: 0x06000844 RID: 2116
+		public abstract BigInteger GenerateNewPrime(int bits);
+	}
+}

mscorlib/Mono/Math/Prime/Generator/SequentialSearchPrimeGeneratorBase.cs

@@ -0,0 +1,91 @@
+using System;
+
+namespace Mono.Math.Prime.Generator
+{
+	// Token: 0x02000096 RID: 150
+	internal class SequentialSearchPrimeGeneratorBase : PrimeGeneratorBase
+	{
+		// Token: 0x06000846 RID: 2118 RVA: 0x0001E354 File Offset: 0x0001C554
+		protected virtual BigInteger GenerateSearchBase(int bits, object context)
+		{
+			BigInteger bigInteger = BigInteger.GenerateRandom(bits);
+			bigInteger.SetBit(0U);
+			return bigInteger;
+		}
+
+		// Token: 0x06000847 RID: 2119 RVA: 0x0001E370 File Offset: 0x0001C570
+		public override BigInteger GenerateNewPrime(int bits)
+		{
+			return this.GenerateNewPrime(bits, null);
+		}
+
+		// Token: 0x06000848 RID: 2120 RVA: 0x0001E37C File Offset: 0x0001C57C
+		public virtual BigInteger GenerateNewPrime(int bits, object context)
+		{
+			BigInteger bigInteger = this.GenerateSearchBase(bits, context);
+			uint num = bigInteger % 3234846615U;
+			int trialDivisionBounds = this.TrialDivisionBounds;
+			uint[] smallPrimes = BigInteger.smallPrimes;
+			for (;;)
+			{
+				if (num % 3U != 0U)
+				{
+					if (num % 5U != 0U)
+					{
+						if (num % 7U != 0U)
+						{
+							if (num % 11U != 0U)
+							{
+								if (num % 13U != 0U)
+								{
+									if (num % 17U != 0U)
+									{
+										if (num % 19U != 0U)
+										{
+											if (num % 23U != 0U)
+											{
+												if (num % 29U != 0U)
+												{
+													int num2 = 10;
+													while (num2 < smallPrimes.Length && (ulong)smallPrimes[num2] <= (ulong)((long)trialDivisionBounds))
+													{
+														if (bigInteger % smallPrimes[num2] == 0U)
+														{
+															goto IL_105;
+														}
+														num2++;
+													}
+													if (this.IsPrimeAcceptable(bigInteger, context))
+													{
+														if (this.PrimalityTest(bigInteger, this.Confidence))
+														{
+															break;
+														}
+													}
+												}
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+				IL_105:
+				num += 2U;
+				if (num >= 3234846615U)
+				{
+					num -= 3234846615U;
+				}
+				bigInteger.Incr2();
+			}
+			return bigInteger;
+		}
+
+		// Token: 0x06000849 RID: 2121 RVA: 0x0001E4B0 File Offset: 0x0001C6B0
+		protected virtual bool IsPrimeAcceptable(BigInteger bi, object context)
+		{
+			return true;
+		}
+	}
+}