using System;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Date;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng
{
	// Token: 0x02001CB2 RID: 7346
	[Token(Token = "0x2001CB2")]
	public class X931SecureRandomBuilder
	{
		// Token: 0x0600B5D9 RID: 46553 RVA: 0x00275734 File Offset: 0x00273934
		[Token(Token = "0x600B5D9")]
		[Address(RVA = "0x236A240", Offset = "0x2369240", VA = "0x18236A240")]
		public X931SecureRandomBuilder()
		{
			SecureRandom secureRandom = new SecureRandom();
			base..ctor();
			this.mRandom = secureRandom;
			BasicEntropySourceProvider basicEntropySourceProvider;
			basicEntropySourceProvider.mSecureRandom = secureRandom;
			basicEntropySourceProvider.mPredictionResistant = false;
			this.mEntropySourceProvider = basicEntropySourceProvider;
		}

		// Token: 0x0600B5DA RID: 46554 RVA: 0x0027576C File Offset: 0x0027396C
		[Token(Token = "0x600B5DA")]
		[Address(RVA = "0x236A2F0", Offset = "0x23692F0", VA = "0x18236A2F0")]
		public X931SecureRandomBuilder(SecureRandom entropySource, bool predictionResistant)
		{
			this.mRandom = entropySource;
			BasicEntropySourceProvider basicEntropySourceProvider;
			basicEntropySourceProvider.mSecureRandom = entropySource;
			basicEntropySourceProvider.mPredictionResistant = predictionResistant;
			this.mEntropySourceProvider = basicEntropySourceProvider;
		}

		// Token: 0x0600B5DB RID: 46555 RVA: 0x0027579C File Offset: 0x0027399C
		[Token(Token = "0x600B5DB")]
		[Address(RVA = "0x236A210", Offset = "0x2369210", VA = "0x18236A210")]
		public X931SecureRandomBuilder(IEntropySourceProvider entropySourceProvider)
		{
			this.mRandom = (ulong)0L;
			this.mEntropySourceProvider = entropySourceProvider;
		}

		// Token: 0x0600B5DC RID: 46556 RVA: 0x002757C0 File Offset: 0x002739C0
		[Token(Token = "0x600B5DC")]
		[Address(RVA = "0x493850", Offset = "0x492850", VA = "0x180493850")]
		public X931SecureRandomBuilder SetDateTimeVector(byte[] dateTimeVector)
		{
			this.mDateTimeVector = dateTimeVector;
			return this;
		}

		// Token: 0x0600B5DD RID: 46557 RVA: 0x002757D8 File Offset: 0x002739D8
		[Token(Token = "0x600B5DD")]
		[Address(RVA = "0x2369F90", Offset = "0x2368F90", VA = "0x182369F90")]
		public X931SecureRandom Build(IBlockCipher engine, KeyParameter key, bool predictionResistant)
		{
			if (this.mDateTimeVector == (ulong)0L)
			{
				byte[] array = new byte[0];
				this.mDateTimeVector = array;
				long num = DateTimeUtilities.CurrentUnixMs();
				byte[] array2 = this.mDateTimeVector;
				int num2 = 0;
				Pack.UInt64_To_BE((ulong)num, array2, num2);
			}
			SecureRandom secureRandom = this.mRandom;
			byte[] array3 = this.mDateTimeVector;
			IEntropySourceProvider entropySourceProvider = this.mEntropySourceProvider;
			X931Rng x931Rng;
			x931Rng.mReseedCounter = (long)((ulong)1L);
			x931Rng.mEngine = engine;
			x931Rng.mEntropySource = key;
			byte[] array4 = new byte[x931Rng];
			x931Rng.mDT = array4;
			int length = array4.Length;
			int num3 = 0;
			int num4 = 0;
			Array.Copy(array3, num4, array4, num3, length);
			byte[] array5 = new byte[array4];
			x931Rng.mI = array5;
			byte[] array6 = new byte[array5];
			x931Rng.mR = array6;
			X931SecureRandom x931SecureRandom;
			x931SecureRandom.mRandomSource = secureRandom;
			x931SecureRandom.mDrbg = x931Rng;
			x931SecureRandom.mPredictionResistant = predictionResistant;
			return x931SecureRandom;
		}

		// Token: 0x04007329 RID: 29481
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007329")]
		private readonly SecureRandom mRandom;

		// Token: 0x0400732A RID: 29482
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400732A")]
		private IEntropySourceProvider mEntropySourceProvider;

		// Token: 0x0400732B RID: 29483
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400732B")]
		private byte[] mDateTimeVector;
	}
}