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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng.Drbg
{
	// Token: 0x02001BD4 RID: 7124
	[Token(Token = "0x2001BD4")]
	internal class DrbgUtilities
	{
		// Token: 0x0600B222 RID: 45602 RVA: 0x0026CF34 File Offset: 0x0026B134
		[Token(Token = "0x600B222")]
		[Address(RVA = "0x1891A10", Offset = "0x1890810", VA = "0x181891A10")]
		static DrbgUtilities()
		{
			IDictionary dictionary = Platform.CreateHashtable();
		}

		// Token: 0x0600B223 RID: 45603 RVA: 0x0026CF50 File Offset: 0x0026B150
		[Token(Token = "0x600B223")]
		[Address(RVA = "0x18912C0", Offset = "0x18900C0", VA = "0x1818912C0")]
		internal static int GetMaxSecurityStrength(IDigest d)
		{
			throw new NullReferenceException();
		}

		// Token: 0x0600B224 RID: 45604 RVA: 0x0026CF64 File Offset: 0x0026B164
		[Token(Token = "0x600B224")]
		[Address(RVA = "0x1891390", Offset = "0x1890190", VA = "0x181891390")]
		internal static int GetMaxSecurityStrength(IMac m)
		{
			throw new NullReferenceException();
		}

		// Token: 0x0600B225 RID: 45605 RVA: 0x0026CF80 File Offset: 0x0026B180
		[Token(Token = "0x600B225")]
		[Address(RVA = "0x1891490", Offset = "0x1890290", VA = "0x181891490")]
		internal static byte[] HashDF(IDigest digest, byte[] seedMaterial, int seedLength)
		{
			byte[] array = new byte[seedMaterial];
			byte[] array2 = new byte[array.Length];
			int num = 0;
			if (num < digest)
			{
				num += num;
				num++;
			}
			num += num;
			num++;
			num += num;
			num++;
			num += num;
			num++;
			num += num;
			num++;
			int num2 = seedMaterial.Length;
			uint num3;
			if (num < (int)num3)
			{
				num += num;
				num++;
			}
			if (num < num2)
			{
				num += num;
				num++;
			}
			int num4 = array2.Length;
			num2 = num4;
			int num5 = array.Length;
			num5 -= num2;
			if (num5 <= num4)
			{
				num4 = num5;
			}
			int num6 = 0;
			Array.Copy(array2, num6, array, num2, num4);
			if (seedLength != 0)
			{
				uint num7;
				num7 -= (uint)seedLength;
				int length = array.Length;
				if (num != length)
				{
					num++;
					byte b;
					b += b;
					b = (byte)((int)b + seedLength);
					b += b;
					b = (byte)((int)b + seedLength);
					b += b;
					b = (byte)((int)b + seedLength);
					b += b;
					b = (byte)((int)b + seedLength);
					b += b;
					b = (byte)((int)b + seedLength);
					b += b;
					b = (byte)((int)b + seedLength);
					b += b;
					b = (byte)((int)b + seedLength);
				}
			}
			return array;
		}

		// Token: 0x0600B226 RID: 45606 RVA: 0x0026D0A4 File Offset: 0x0026B2A4
		[Token(Token = "0x600B226")]
		[Address(RVA = "0x1891A00", Offset = "0x1890800", VA = "0x181891A00")]
		internal static bool IsTooLarge(byte[] bytes, int maxBytes)
		{
			if (bytes == 0)
			{
			}
			return bytes.Length > maxBytes;
		}

		// Token: 0x0600B227 RID: 45607 RVA: 0x0026D0C0 File Offset: 0x0026B2C0
		[Token(Token = "0x600B227")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		public DrbgUtilities()
		{
		}

		// Token: 0x04007181 RID: 29057
		[Token(Token = "0x4007181")]
		private static readonly IDictionary maxSecurityStrengths;
	}
}