using System;
using System.Collections;
using System.IO;
using System.Runtime.InteropServices;
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.IO;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.X509
{
	// Token: 0x02001327 RID: 4903
	[Token(Token = "0x2001327")]
	[StructLayout(3)]
	public class X509CertificateParser
	{
		// Token: 0x06007AFD RID: 31485 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6007AFD")]
		[Address(RVA = "0x530370", Offset = "0x52ED70", VA = "0x180530370")]
		private X509Certificate ReadDerCertificate(Asn1InputStream dIn)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x06007AFE RID: 31486 RVA: 0x001993E4 File Offset: 0x001975E4
		[Token(Token = "0x6007AFE")]
		[Address(RVA = "0x52FC90", Offset = "0x52E690", VA = "0x18052FC90")]
		private X509Certificate GetCertificate()
		{
			if (this.sData != (ulong)0L)
			{
				Asn1Set asn1Set = this.sData;
				Asn1Encodable asn1Encodable;
				if (this.sDataObjectCount < asn1Encodable)
				{
					int num = this.sDataObjectCount;
					Asn1Set asn1Set2 = this.sData;
					int num2 = num + 1;
					this.sDataObjectCount = num2;
					IEnumerator enumerator = asn1Set2.GetEnumerator();
					while (enumerator == 0)
					{
					}
					while (enumerator == 0)
					{
					}
				}
			}
			throw new NullReferenceException();
		}

		// Token: 0x06007AFF RID: 31487 RVA: 0x00199444 File Offset: 0x00197644
		[Token(Token = "0x6007AFF")]
		[Address(RVA = "0x530590", Offset = "0x52EF90", VA = "0x180530590")]
		private X509Certificate ReadPemCertificate(Stream inStream)
		{
			Asn1Sequence asn1Sequence = X509CertificateParser.PemCertParser.ReadPemObject(inStream);
			if (asn1Sequence == 0)
			{
			}
			X509CertificateStructure instance = X509CertificateStructure.GetInstance(asn1Sequence);
			throw new NullReferenceException();
		}

		// Token: 0x06007B00 RID: 31488 RVA: 0x00199470 File Offset: 0x00197670
		[Token(Token = "0x6007B00")]
		[Address(RVA = "0x52FC30", Offset = "0x52E630", VA = "0x18052FC30", Slot = "4")]
		protected virtual X509Certificate CreateX509Certificate(X509CertificateStructure c)
		{
			return new X509Certificate(c);
		}

		// Token: 0x06007B01 RID: 31489 RVA: 0x00199484 File Offset: 0x00197684
		[Token(Token = "0x6007B01")]
		[Address(RVA = "0x52FDB0", Offset = "0x52E7B0", VA = "0x18052FDB0")]
		public X509Certificate ReadCertificate(byte[] input)
		{
			int num;
			MemoryStream memoryStream = new MemoryStream(input, num != 0);
			num = 0;
			return this.ReadCertificate(memoryStream);
		}

		// Token: 0x06007B02 RID: 31490 RVA: 0x001994A4 File Offset: 0x001976A4
		[Token(Token = "0x6007B02")]
		[Address(RVA = "0x5300C0", Offset = "0x52EAC0", VA = "0x1805300C0")]
		public ICollection ReadCertificates(byte[] input)
		{
			MemoryStream memoryStream;
			do
			{
				int num;
				memoryStream = new MemoryStream(input, num != 0);
				num = 0;
				IList list = Platform.CreateArrayList();
				int num2 = 0;
				if (this.ReadCertificate(memoryStream) == 0)
				{
					break;
				}
				int num3 = 0;
				if (num3 < num2)
				{
					num3 += num3;
					num3++;
				}
			}
			while (this.ReadCertificate(memoryStream) != 0);
			memoryStream += memoryStream;
			throw new NullReferenceException();
		}

		// Token: 0x06007B03 RID: 31491 RVA: 0x001994FC File Offset: 0x001976FC
		[Token(Token = "0x6007B03")]
		[Address(RVA = "0x52FE20", Offset = "0x52E820", VA = "0x18052FE20")]
		public X509Certificate ReadCertificate(Stream inStream)
		{
			if (inStream != 0)
			{
				inStream.Dispose();
				Stream stream = this.currentStream;
				int num = 0;
				if (stream == 0 || stream != inStream)
				{
					this.sDataObjectCount = num;
					this.sData = num;
					this.currentStream = inStream;
				}
				string text;
				if (this.sData == 0)
				{
					PushbackStream pushbackStream = new PushbackStream(inStream);
					int num2;
					pushbackStream.WriteByte((byte)num2);
					if (num2 == 48)
					{
						Asn1InputStream asn1InputStream = new Asn1InputStream(pushbackStream);
						X509Certificate x509Certificate = this.ReadDerCertificate(asn1InputStream);
					}
					Asn1Sequence asn1Sequence = X509CertificateParser.PemCertParser.ReadPemObject(pushbackStream);
					if (asn1Sequence != 0)
					{
						X509CertificateStructure instance = X509CertificateStructure.GetInstance(asn1Sequence);
						text = this.ToString();
					}
				}
				int num3 = this.sDataObjectCount;
				this.sData = text;
				this.sDataObjectCount = text;
				return this.GetCertificate();
			}
			ArgumentNullException ex = new ArgumentNullException("inStream");
			throw new NullReferenceException();
		}

		// Token: 0x06007B04 RID: 31492 RVA: 0x001995E8 File Offset: 0x001977E8
		[Token(Token = "0x6007B04")]
		[Address(RVA = "0x530230", Offset = "0x52EC30", VA = "0x180530230")]
		public ICollection ReadCertificates(Stream inStream)
		{
			do
			{
				IList list = Platform.CreateArrayList();
				int num = 0;
				if (this.ReadCertificate(inStream) == 0)
				{
					break;
				}
				int num2 = 0;
				if (num2 < num)
				{
					num2 += num2;
					num2++;
				}
			}
			while (this.ReadCertificate(inStream) != 0);
			throw new NullReferenceException();
		}

		// Token: 0x06007B05 RID: 31493 RVA: 0x00199628 File Offset: 0x00197828
		[Token(Token = "0x6007B05")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		public X509CertificateParser()
		{
		}

		// Token: 0x04005846 RID: 22598
		[Token(Token = "0x4005846")]
		private static readonly PemParser PemCertParser = new PemParser("CERTIFICATE");

		// Token: 0x04005847 RID: 22599
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4005847")]
		private Asn1Set sData;

		// Token: 0x04005848 RID: 22600
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4005848")]
		private int sDataObjectCount;

		// Token: 0x04005849 RID: 22601
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4005849")]
		private Stream currentStream;
	}
}