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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1
{
	// Token: 0x02001E80 RID: 7808
	[Token(Token = "0x2001E80")]
	internal class DefiniteLengthInputStream : LimitedInputStream
	{
		// Token: 0x0600C3A8 RID: 50088 RVA: 0x002C3528 File Offset: 0x002C1728
		[Token(Token = "0x600C3A8")]
		[Address(RVA = "0x23A53D0", Offset = "0x23A43D0", VA = "0x1823A53D0")]
		internal DefiniteLengthInputStream(Stream inStream, int length)
			: base(inStream, length)
		{
			this._originalLength = length;
			this._remaining = length;
			if (length == 0)
			{
				int remaining = this.GetRemaining();
			}
		}

		// Token: 0x17001E47 RID: 7751
		// (get) Token: 0x0600C3A9 RID: 50089 RVA: 0x002C3568 File Offset: 0x002C1768
		[Token(Token = "0x17001E47")]
		internal int Remaining
		{
			[Token(Token = "0x600C3A9")]
			[Address(RVA = "0x696840", Offset = "0x695840", VA = "0x180696840")]
			get
			{
				return this._remaining;
			}
		}

		// Token: 0x0600C3AA RID: 50090 RVA: 0x002C357C File Offset: 0x002C177C
		[Token(Token = "0x600C3AA")]
		[Address(RVA = "0x23A4DD0", Offset = "0x23A3DD0", VA = "0x1823A4DD0", 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: 0x0600C3AB RID: 50091 RVA: 0x002C360C File Offset: 0x002C180C
		[Token(Token = "0x600C3AB")]
		[Address(RVA = "0x23A4F90", Offset = "0x23A3F90", VA = "0x1823A4F90", 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: 0x0600C3AC RID: 50092 RVA: 0x002C36A4 File Offset: 0x002C18A4
		[Token(Token = "0x600C3AC")]
		[Address(RVA = "0x23A4BF0", Offset = "0x23A3BF0", VA = "0x1823A4BF0")]
		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: 0x0600C3AD RID: 50093 RVA: 0x002C374C File Offset: 0x002C194C
		[Token(Token = "0x600C3AD")]
		[Address(RVA = "0x23A5190", Offset = "0x23A4190", VA = "0x1823A5190")]
		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: 0x04007B62 RID: 31586
		[Token(Token = "0x4007B62")]
		private static readonly byte[] EmptyBytes = new byte[0];

		// Token: 0x04007B63 RID: 31587
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4007B63")]
		private readonly int _originalLength;

		// Token: 0x04007B64 RID: 31588
		[FieldOffset(Offset = "0x44")]
		[Token(Token = "0x4007B64")]
		private int _remaining;
	}
}