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.IO;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.X509
{
	// Token: 0x020019E4 RID: 6628
	[Token(Token = "0x20019E4")]
	public class X509CertificateParser
	{
		// Token: 0x06009AA5 RID: 39589 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6009AA5")]
		[Address(RVA = "0x418610", Offset = "0x417610", VA = "0x180418610")]
		private X509Certificate ReadDerCertificate(Asn1InputStream dIn)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x06009AA6 RID: 39590 RVA: 0x001F9E54 File Offset: 0x001F8054
		[Token(Token = "0x6009AA6")]
		[Address(RVA = "0x417F30", Offset = "0x416F30", VA = "0x180417F30")]
		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: 0x06009AA7 RID: 39591 RVA: 0x001F9EB4 File Offset: 0x001F80B4
		[Token(Token = "0x6009AA7")]
		[Address(RVA = "0x418830", Offset = "0x417830", VA = "0x180418830")]
		private X509Certificate ReadPemCertificate(Stream inStream)
		{
			Asn1Sequence asn1Sequence = X509CertificateParser.PemCertParser.ReadPemObject(inStream);
			if (asn1Sequence == 0)
			{
			}
			X509CertificateStructure instance = X509CertificateStructure.GetInstance(asn1Sequence);
			throw new NullReferenceException();
		}

		// Token: 0x06009AA8 RID: 39592 RVA: 0x001F9EE0 File Offset: 0x001F80E0
		[Token(Token = "0x6009AA8")]
		[Address(RVA = "0x417ED0", Offset = "0x416ED0", VA = "0x180417ED0", Slot = "4")]
		protected virtual X509Certificate CreateX509Certificate(X509CertificateStructure c)
		{
			return new X509Certificate(c);
		}

		// Token: 0x06009AA9 RID: 39593 RVA: 0x001F9EF4 File Offset: 0x001F80F4
		[Token(Token = "0x6009AA9")]
		[Address(RVA = "0x418050", Offset = "0x417050", VA = "0x180418050")]
		public X509Certificate ReadCertificate(byte[] input)
		{
			int num;
			MemoryStream memoryStream = new MemoryStream(input, num != 0);
			num = 0;
			return this.ReadCertificate(memoryStream);
		}

		// Token: 0x06009AAA RID: 39594 RVA: 0x001F9F14 File Offset: 0x001F8114
		[Token(Token = "0x6009AAA")]
		[Address(RVA = "0x418360", Offset = "0x417360", VA = "0x180418360")]
		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: 0x06009AAB RID: 39595 RVA: 0x001F9F6C File Offset: 0x001F816C
		[Token(Token = "0x6009AAB")]
		[Address(RVA = "0x4180C0", Offset = "0x4170C0", VA = "0x1804180C0")]
		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: 0x06009AAC RID: 39596 RVA: 0x001FA058 File Offset: 0x001F8258
		[Token(Token = "0x6009AAC")]
		[Address(RVA = "0x4184D0", Offset = "0x4174D0", VA = "0x1804184D0")]
		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: 0x06009AAD RID: 39597 RVA: 0x001FA098 File Offset: 0x001F8298
		[Token(Token = "0x6009AAD")]
		[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
		public X509CertificateParser()
		{
		}

		// Token: 0x04006842 RID: 26690
		[Token(Token = "0x4006842")]
		private static readonly PemParser PemCertParser = new PemParser("CERTIFICATE");

		// Token: 0x04006843 RID: 26691
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4006843")]
		private Asn1Set sData;

		// Token: 0x04006844 RID: 26692
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4006844")]
		private int sDataObjectCount;

		// Token: 0x04006845 RID: 26693
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006845")]
		private Stream currentStream;
	}
}