using System;
using System.Runtime.InteropServices;
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: 0x020015F5 RID: 5621
	[Token(Token = "0x20015F5")]
	[StructLayout(3)]
	public class X931SecureRandomBuilder
	{
		// Token: 0x06009631 RID: 38449 RVA: 0x00214F38 File Offset: 0x00213138
		[Token(Token = "0x6009631")]
		[Address(RVA = "0x1E4E4C0", Offset = "0x1E4CEC0", VA = "0x181E4E4C0")]
		public X931SecureRandomBuilder()
		{
			SecureRandom secureRandom = new SecureRandom();
			base..ctor();
			this.mRandom = secureRandom;
			int num;
			BasicEntropySourceProvider basicEntropySourceProvider = new BasicEntropySourceProvider(secureRandom, num != 0);
			num = 0;
			this.mEntropySourceProvider = basicEntropySourceProvider;
		}

		// Token: 0x06009632 RID: 38450 RVA: 0x00214F6C File Offset: 0x0021316C
		[Token(Token = "0x6009632")]
		[Address(RVA = "0x1E4E570", Offset = "0x1E4CF70", VA = "0x181E4E570")]
		public X931SecureRandomBuilder(SecureRandom entropySource, bool predictionResistant)
		{
			this.mRandom = entropySource;
			BasicEntropySourceProvider basicEntropySourceProvider = new BasicEntropySourceProvider(entropySource, predictionResistant);
			this.mEntropySourceProvider = basicEntropySourceProvider;
		}

		// Token: 0x06009633 RID: 38451 RVA: 0x00214F98 File Offset: 0x00213198
		[Token(Token = "0x6009633")]
		[Address(RVA = "0x1E4E490", Offset = "0x1E4CE90", VA = "0x181E4E490")]
		public X931SecureRandomBuilder(IEntropySourceProvider entropySourceProvider)
		{
			this.mRandom = (ulong)0L;
			this.mEntropySourceProvider = entropySourceProvider;
		}

		// Token: 0x06009634 RID: 38452 RVA: 0x00214FBC File Offset: 0x002131BC
		[Token(Token = "0x6009634")]
		[Address(RVA = "0x665670", Offset = "0x664070", VA = "0x180665670")]
		public X931SecureRandomBuilder SetDateTimeVector(byte[] dateTimeVector)
		{
			this.mDateTimeVector = dateTimeVector;
			return this;
		}

		// Token: 0x06009635 RID: 38453 RVA: 0x00214FD4 File Offset: 0x002131D4
		[Token(Token = "0x6009635")]
		[Address(RVA = "0x1E4E210", Offset = "0x1E4CC10", VA = "0x181E4E210")]
		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: 0x0400632D RID: 25389
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400632D")]
		private readonly SecureRandom mRandom;

		// Token: 0x0400632E RID: 25390
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400632E")]
		private IEntropySourceProvider mEntropySourceProvider;

		// Token: 0x0400632F RID: 25391
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400632F")]
		private byte[] mDateTimeVector;
	}
}