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: 0x02001BD2 RID: 7122
	[Token(Token = "0x2001BD2")]
	public class X931SecureRandomBuilder
	{
		// Token: 0x0600B20B RID: 45579 RVA: 0x0026C558 File Offset: 0x0026A758
		[Token(Token = "0x600B20B")]
		[Address(RVA = "0x18A5C20", Offset = "0x18A4A20", VA = "0x1818A5C20")]
		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: 0x0600B20C RID: 45580 RVA: 0x0026C58C File Offset: 0x0026A78C
		[Token(Token = "0x600B20C")]
		[Address(RVA = "0x18A5CD0", Offset = "0x18A4AD0", VA = "0x1818A5CD0")]
		public X931SecureRandomBuilder(SecureRandom entropySource, bool predictionResistant)
		{
			this.mRandom = entropySource;
			BasicEntropySourceProvider basicEntropySourceProvider = new BasicEntropySourceProvider(entropySource, predictionResistant);
			this.mEntropySourceProvider = basicEntropySourceProvider;
		}

		// Token: 0x0600B20D RID: 45581 RVA: 0x0026C5B8 File Offset: 0x0026A7B8
		[Token(Token = "0x600B20D")]
		[Address(RVA = "0x18A5BF0", Offset = "0x18A49F0", VA = "0x1818A5BF0")]
		public X931SecureRandomBuilder(IEntropySourceProvider entropySourceProvider)
		{
			this.mRandom = (ulong)0L;
			this.mEntropySourceProvider = entropySourceProvider;
		}

		// Token: 0x0600B20E RID: 45582 RVA: 0x0026C5DC File Offset: 0x0026A7DC
		[Token(Token = "0x600B20E")]
		[Address(RVA = "0x1872000", Offset = "0x1870E00", VA = "0x181872000")]
		public X931SecureRandomBuilder SetDateTimeVector(byte[] dateTimeVector)
		{
			this.mDateTimeVector = dateTimeVector;
			return this;
		}

		// Token: 0x0600B20F RID: 45583 RVA: 0x0026C5F4 File Offset: 0x0026A7F4
		[Token(Token = "0x600B20F")]
		[Address(RVA = "0x18A5970", Offset = "0x18A4770", VA = "0x1818A5970")]
		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: 0x04007170 RID: 29040
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007170")]
		private readonly SecureRandom mRandom;

		// Token: 0x04007171 RID: 29041
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007171")]
		private IEntropySourceProvider mEntropySourceProvider;

		// Token: 0x04007172 RID: 29042
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007172")]
		private byte[] mDateTimeVector;
	}
}