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: 0x020019FF RID: 6655
	[Token(Token = "0x20019FF")]
	public class X509ExtensionUtilities
	{
		// Token: 0x06009BD2 RID: 39890 RVA: 0x001FE0BC File Offset: 0x001FC2BC
		[Token(Token = "0x6009BD2")]
		[Address(RVA = "0x41F2A0", Offset = "0x41E2A0", VA = "0x18041F2A0")]
		public static Asn1Object FromExtensionValue(Asn1OctetString extensionValue)
		{
			Stream octetStream = extensionValue.GetOctetStream();
			Asn1Object asn1Object;
			return asn1Object;
		}

		// Token: 0x06009BD3 RID: 39891 RVA: 0x001FE0D8 File Offset: 0x001FC2D8
		[Token(Token = "0x6009BD3")]
		[Address(RVA = "0x41F760", Offset = "0x41E760", VA = "0x18041F760")]
		public static ICollection GetIssuerAlternativeNames(X509Certificate cert)
		{
			ISet criticalExtensionOids = cert.GetCriticalExtensionOids();
			ICollection collection;
			return collection;
		}

		// Token: 0x06009BD4 RID: 39892 RVA: 0x001FE0F4 File Offset: 0x001FC2F4
		[Token(Token = "0x6009BD4")]
		[Address(RVA = "0x41F7F0", Offset = "0x41E7F0", VA = "0x18041F7F0")]
		public static ICollection GetSubjectAlternativeNames(X509Certificate cert)
		{
			ISet criticalExtensionOids = cert.GetCriticalExtensionOids();
			ICollection collection;
			return collection;
		}

		// Token: 0x06009BD5 RID: 39893 RVA: 0x001FE110 File Offset: 0x001FC310
		[Token(Token = "0x6009BD5")]
		[Address(RVA = "0x41F2D0", Offset = "0x41E2D0", VA = "0x18041F2D0")]
		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: 0x06009BD6 RID: 39894 RVA: 0x001FE1F0 File Offset: 0x001FC3F0
		[Token(Token = "0x6009BD6")]
		[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
		public X509ExtensionUtilities()
		{
		}
	}
}