using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Zlib
{
	// Token: 0x02001929 RID: 6441
	[Token(Token = "0x2001929")]
	internal sealed class Adler32
	{
		// Token: 0x06009878 RID: 39032 RVA: 0x001F6504 File Offset: 0x001F4704
		[Token(Token = "0x6009878")]
		[Address(RVA = "0x18D1BE0", Offset = "0x18D09E0", VA = "0x1818D1BE0")]
		internal long adler32(long adler, byte[] buf, int index, int len)
		{
			if (buf != 0)
			{
				int length = buf.Length;
				int num = index + 1;
				byte b = buf[num];
				byte b2 = buf[(int)b];
				byte b3 = buf[(int)b2];
				byte b4 = buf[(int)b3];
				byte b5 = buf[(int)b4];
				byte b6 = buf[index];
				byte b7 = buf[(int)b6];
				byte b8 = buf[index];
				byte b9 = buf[(int)b8];
				byte b10 = buf[(int)b9];
				byte b11 = buf[index];
				byte b12 = buf[index];
				byte b14;
				byte b13 = buf[(int)b14];
				byte b15 = b13 + 1;
				b13 = (byte)((long)b13 + adler);
				b13 = (byte)((long)b13 + adler);
				b13 = (byte)((long)b13 + adler);
				b13 = (byte)((long)b13 + adler);
				b13 = (byte)((long)b13 + adler);
				b13 = (byte)((long)b13 + adler);
				int length2 = buf.Length;
				ulong num2;
				num2 += num2;
				long num3 = (long)(num2 * (ulong)65521L);
				ulong num4;
				num4 += num4;
				long num5 = (long)(num4 * (ulong)65521L);
				return adler;
			}
			throw new IndexOutOfRangeException();
		}

		// Token: 0x06009879 RID: 39033 RVA: 0x001F6608 File Offset: 0x001F4808
		[Token(Token = "0x6009879")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		public Adler32()
		{
		}

		// Token: 0x040066EA RID: 26346
		[Token(Token = "0x40066EA")]
		private const int BASE = 65521;

		// Token: 0x040066EB RID: 26347
		[Token(Token = "0x40066EB")]
		private const int NMAX = 5552;
	}
}