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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng.Drbg
{
	// Token: 0x020015F7 RID: 5623
	[Token(Token = "0x20015F7")]
	[StructLayout(3)]
	internal class DrbgUtilities
	{
		// Token: 0x06009648 RID: 38472 RVA: 0x00215914 File Offset: 0x00213B14
		[Token(Token = "0x6009648")]
		[Address(RVA = "0x1E3A1F0", Offset = "0x1E38BF0", VA = "0x181E3A1F0")]
		static DrbgUtilities()
		{
			IDictionary dictionary = Platform.CreateHashtable();
		}

		// Token: 0x06009649 RID: 38473 RVA: 0x00215930 File Offset: 0x00213B30
		[Token(Token = "0x6009649")]
		[Address(RVA = "0x1E39AA0", Offset = "0x1E384A0", VA = "0x181E39AA0")]
		internal static int GetMaxSecurityStrength(IDigest d)
		{
			throw new NullReferenceException();
		}

		// Token: 0x0600964A RID: 38474 RVA: 0x00215944 File Offset: 0x00213B44
		[Token(Token = "0x600964A")]
		[Address(RVA = "0x1E39B70", Offset = "0x1E38570", VA = "0x181E39B70")]
		internal static int GetMaxSecurityStrength(IMac m)
		{
			throw new NullReferenceException();
		}

		// Token: 0x0600964B RID: 38475 RVA: 0x00215960 File Offset: 0x00213B60
		[Token(Token = "0x600964B")]
		[Address(RVA = "0x1E39C70", Offset = "0x1E38670", VA = "0x181E39C70")]
		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: 0x0600964C RID: 38476 RVA: 0x00215A84 File Offset: 0x00213C84
		[Token(Token = "0x600964C")]
		[Address(RVA = "0x1E3A1E0", Offset = "0x1E38BE0", VA = "0x181E3A1E0")]
		internal static bool IsTooLarge(byte[] bytes, int maxBytes)
		{
			if (bytes == 0)
			{
			}
			return bytes.Length > maxBytes;
		}

		// Token: 0x0600964D RID: 38477 RVA: 0x00215AA0 File Offset: 0x00213CA0
		[Token(Token = "0x600964D")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		public DrbgUtilities()
		{
		}

		// Token: 0x0400633E RID: 25406
		[Token(Token = "0x400633E")]
		private static readonly IDictionary maxSecurityStrengths;
	}
}