using System;
using System.Collections;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.X509.Extension
{
	// Token: 0x0200191F RID: 6431
	[Token(Token = "0x200191F")]
	public class X509ExtensionUtilities
	{
		// Token: 0x06009804 RID: 38916 RVA: 0x001F5024 File Offset: 0x001F3224
		[Token(Token = "0x6009804")]
		[Address(RVA = "0x1631EC0", Offset = "0x1630CC0", VA = "0x181631EC0")]
		public static Asn1Object FromExtensionValue(Asn1OctetString extensionValue)
		{
			Stream octetStream = extensionValue.GetOctetStream();
			Asn1Object asn1Object;
			return asn1Object;
		}

		// Token: 0x06009805 RID: 38917 RVA: 0x001F5040 File Offset: 0x001F3240
		[Token(Token = "0x6009805")]
		[Address(RVA = "0x1632380", Offset = "0x1631180", VA = "0x181632380")]
		public static ICollection GetIssuerAlternativeNames(X509Certificate cert)
		{
			ISet criticalExtensionOids = cert.GetCriticalExtensionOids();
			ICollection collection;
			return collection;
		}

		// Token: 0x06009806 RID: 38918 RVA: 0x001F505C File Offset: 0x001F325C
		[Token(Token = "0x6009806")]
		[Address(RVA = "0x1632410", Offset = "0x1631210", VA = "0x181632410")]
		public static ICollection GetSubjectAlternativeNames(X509Certificate cert)
		{
			ISet criticalExtensionOids = cert.GetCriticalExtensionOids();
			ICollection collection;
			return collection;
		}

		// Token: 0x06009807 RID: 38919 RVA: 0x001F5078 File Offset: 0x001F3278
		[Token(Token = "0x6009807")]
		[Address(RVA = "0x1631EF0", Offset = "0x1630CF0", VA = "0x181631EF0")]
		private static ICollection GetAlternativeName(Asn1OctetString extVal)
		{
			int num;
			Asn1Object asn1Object;
			do
			{
				num = 0;
				IList list = Platform.CreateArrayList();
				if (extVal == 0)
				{
					goto IL_77;
				}
				Stream octetStream = extVal.GetOctetStream();
			}
			while (Asn1Sequence.GetInstance(asn1Object).GetEnumerator() == 0);
			IList list2 = Platform.CreateArrayList();
			GeneralName generalName;
			if (generalName.tag > 8)
			{
				throw new NullReferenceException();
			}
			Asn1Encodable obj = generalName.obj;
			X509Name instance = X509Name.GetInstance(obj);
			int hashCode = instance.GetHashCode();
			Asn1Object asn1Object2 = instance.ToAsn1Object();
			Stream octetStream2 = Asn1OctetString.GetInstance(0).GetOctetStream();
			if (DerObjectIdentifier.GetInstance(obj) != 0)
			{
			}
			if (num != 0)
			{
				throw new NullReferenceException();
			}
			IL_77:
			throw new NullReferenceException();
		}

		// Token: 0x06009808 RID: 38920 RVA: 0x001F5158 File Offset: 0x001F3358
		[Token(Token = "0x6009808")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		public X509ExtensionUtilities()
		{
		}
	}
}