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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1
{
	// Token: 0x02001DA0 RID: 7584
	[Token(Token = "0x2001DA0")]
	internal class DefiniteLengthInputStream : LimitedInputStream
	{
		// Token: 0x0600BFDA RID: 49114 RVA: 0x002BAC30 File Offset: 0x002B8E30
		[Token(Token = "0x600BFDA")]
		[Address(RVA = "0x1876F30", Offset = "0x1875D30", VA = "0x181876F30")]
		internal DefiniteLengthInputStream(Stream inStream, int length)
			: base(inStream, length)
		{
			this._originalLength = length;
			this._remaining = length;
			if (length == 0)
			{
				int remaining = this.GetRemaining();
			}
		}

		// Token: 0x17001DAA RID: 7594
		// (get) Token: 0x0600BFDB RID: 49115 RVA: 0x002BAC70 File Offset: 0x002B8E70
		[Token(Token = "0x17001DAA")]
		internal int Remaining
		{
			[Token(Token = "0x600BFDB")]
			[Address(RVA = "0x3F6410", Offset = "0x3F5210", VA = "0x1803F6410")]
			get
			{
				return this._remaining;
			}
		}

		// Token: 0x0600BFDC RID: 49116 RVA: 0x002BAC84 File Offset: 0x002B8E84
		[Token(Token = "0x600BFDC")]
		[Address(RVA = "0x1876930", Offset = "0x1875730", VA = "0x181876930", 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: 0x0600BFDD RID: 49117 RVA: 0x002BAD14 File Offset: 0x002B8F14
		[Token(Token = "0x600BFDD")]
		[Address(RVA = "0x1876AF0", Offset = "0x18758F0", VA = "0x181876AF0", 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: 0x0600BFDE RID: 49118 RVA: 0x002BADAC File Offset: 0x002B8FAC
		[Token(Token = "0x600BFDE")]
		[Address(RVA = "0x1876750", Offset = "0x1875550", VA = "0x181876750")]
		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: 0x0600BFDF RID: 49119 RVA: 0x002BAE54 File Offset: 0x002B9054
		[Token(Token = "0x600BFDF")]
		[Address(RVA = "0x1876CF0", Offset = "0x1875AF0", VA = "0x181876CF0")]
		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: 0x040079A9 RID: 31145
		[Token(Token = "0x40079A9")]
		private static readonly byte[] EmptyBytes = new byte[0];

		// Token: 0x040079AA RID: 31146
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x40079AA")]
		private readonly int _originalLength;

		// Token: 0x040079AB RID: 31147
		[FieldOffset(Offset = "0x44")]
		[Token(Token = "0x40079AB")]
		private int _remaining;
	}
}