using System;
using System.IO;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1
{
	// Token: 0x020017C3 RID: 6083
	[Token(Token = "0x20017C3")]
	[StructLayout(3)]
	internal class DefiniteLengthInputStream : LimitedInputStream
	{
		// Token: 0x0600A400 RID: 41984 RVA: 0x00262754 File Offset: 0x00260954
		[Token(Token = "0x600A400")]
		[Address(RVA = "0x1ECE200", Offset = "0x1ECCC00", VA = "0x181ECE200")]
		internal DefiniteLengthInputStream(Stream inStream, int length)
			: base(inStream, length)
		{
			this._originalLength = length;
			this._remaining = length;
			if (length == 0)
			{
				int remaining = this.GetRemaining();
			}
		}

		// Token: 0x170019A9 RID: 6569
		// (get) Token: 0x0600A401 RID: 41985 RVA: 0x00262794 File Offset: 0x00260994
		[Token(Token = "0x170019A9")]
		internal int Remaining
		{
			[Token(Token = "0x600A401")]
			[Address(RVA = "0x446CC0", Offset = "0x4456C0", VA = "0x180446CC0")]
			get
			{
				return this._remaining;
			}
		}

		// Token: 0x0600A402 RID: 41986 RVA: 0x002627A8 File Offset: 0x002609A8
		[Token(Token = "0x600A402")]
		[Address(RVA = "0x1ECDC00", Offset = "0x1ECC600", VA = "0x181ECDC00", Slot = "28")]
		public override int ReadByte()
		{
			if (this._remaining != 0)
			{
				Stream @in = this._in;
				int num;
				if (num == 0)
				{
					int remaining = this.GetRemaining();
				}
				return num;
			}
			object[] array = new object[4];
			throw new NullReferenceException();
		}

		// Token: 0x0600A403 RID: 41987 RVA: 0x00262838 File Offset: 0x00260A38
		[Token(Token = "0x600A403")]
		[Address(RVA = "0x1ECDDC0", Offset = "0x1ECC7C0", VA = "0x181ECDDC0", Slot = "27")]
		public override int Read(byte[] buf, int off, int len)
		{
			int remaining = this._remaining;
			if (remaining != 0)
			{
				int num = Math.Min(len, remaining);
				Stream @in = this._in;
				if (num == 1)
				{
					int remaining2 = this.GetRemaining();
				}
			}
			return 0;
		}

		// Token: 0x0600A404 RID: 41988 RVA: 0x002628D0 File Offset: 0x00260AD0
		[Token(Token = "0x600A404")]
		[Address(RVA = "0x1ECDA20", Offset = "0x1ECC420", VA = "0x181ECDA20")]
		internal void ReadAllIntoByteArray(byte[] buf)
		{
			int num;
			do
			{
				num = this._remaining;
			}
			while (num != buf.Length);
			int num2 = Streams.ReadFully(this._in, buf);
			num -= num2;
			this._remaining = num;
			if (num == buf.Length)
			{
				((IDisposable)this).Dispose();
				return;
			}
			object[] array = new object[4];
			throw new NullReferenceException();
		}

		// Token: 0x0600A405 RID: 41989 RVA: 0x00262978 File Offset: 0x00260B78
		[Token(Token = "0x600A405")]
		[Address(RVA = "0x1ECDFC0", Offset = "0x1ECC9C0", VA = "0x181ECDFC0")]
		internal byte[] ToArray()
		{
			int remaining = this._remaining;
			if (remaining == 0)
			{
				return DefiniteLengthInputStream.EmptyBytes;
			}
			byte[] array = new byte[remaining];
			Stream @in = this._in;
			int num = this._remaining;
			int num2 = Streams.ReadFully(@in, array);
			num -= num2;
			this._remaining = num;
			if (remaining == 0)
			{
				int remaining2 = this.GetRemaining();
				return array;
			}
			object[] array2 = new object[4];
			throw new NullReferenceException();
		}

		// Token: 0x04006B66 RID: 27494
		[Token(Token = "0x4006B66")]
		private static readonly byte[] EmptyBytes = new byte[0];

		// Token: 0x04006B67 RID: 27495
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4006B67")]
		private readonly int _originalLength;

		// Token: 0x04006B68 RID: 27496
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x44")]
		[Token(Token = "0x4006B68")]
		private int _remaining;
	}
}