using System;
using System.Collections;
using System.IO;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.X509.Store;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
{
	// Token: 0x0200176A RID: 5994
	[Token(Token = "0x200176A")]
	[StructLayout(3)]
	public class CmsSignedDataParser : CmsContentInfoParser
	{
		// Token: 0x0600A1E6 RID: 41446 RVA: 0x0025A70C File Offset: 0x0025890C
		[Token(Token = "0x600A1E6")]
		[Address(RVA = "0x1C7D9E0", Offset = "0x1C7C3E0", VA = "0x181C7D9E0")]
		public CmsSignedDataParser(byte[] sigBlock)
		{
			int num;
			MemoryStream memoryStream = new MemoryStream(sigBlock, num != 0);
			num = 0;
		}

		// Token: 0x0600A1E7 RID: 41447 RVA: 0x0025A728 File Offset: 0x00258928
		[Token(Token = "0x600A1E7")]
		[Address(RVA = "0x1C7D4C0", Offset = "0x1C7BEC0", VA = "0x181C7D4C0")]
		public CmsSignedDataParser(CmsTypedStream signedContent, byte[] sigBlock)
		{
			int num;
			MemoryStream memoryStream = new MemoryStream(sigBlock, num != 0);
			num = 0;
		}

		// Token: 0x0600A1E8 RID: 41448 RVA: 0x0025A740 File Offset: 0x00258940
		[Token(Token = "0x600A1E8")]
		[Address(RVA = "0x1C7D9D0", Offset = "0x1C7C3D0", VA = "0x181C7D9D0")]
		public CmsSignedDataParser(Stream sigData)
		{
		}

		// Token: 0x0600A1E9 RID: 41449 RVA: 0x0025A750 File Offset: 0x00258950
		[Token(Token = "0x600A1E9")]
		[Address(RVA = "0x1C7D540", Offset = "0x1C7BF40", VA = "0x181C7D540")]
		public CmsSignedDataParser(CmsTypedStream signedContent, Stream sigData)
			: base(sigData)
		{
			this._signedContent = signedContent;
			IAsn1Convertible content = this.contentInfo.GetContent(16);
			SignedDataParser signedDataParser;
			this._signedData = signedDataParser;
			IDictionary dictionary = Platform.CreateHashtable();
			this._digests = dictionary;
			HashSet hashSet = new HashSet();
			this._digestOids = hashSet;
			if (this._signedData.GetDigestAlgorithms() != 0)
			{
				AlgorithmIdentifier algorithmIdentifier;
				Asn1Object asn1Object = algorithmIdentifier.ToAsn1Object();
				CmsSignedHelper helper = CmsSignedDataParser.Helper;
				IDictionary digests = this._digests;
				string text;
				if (text == 0)
				{
					IDictionary digests2 = this._digests;
					IDigest digestInstance = CmsSignedDataParser.Helper.GetDigestInstance(text);
					ISet digestOids = this._digestOids;
				}
			}
			ContentInfoParser encapContentInfo = this._signedData.GetEncapContentInfo();
			IAsn1Convertible content2 = encapContentInfo.GetContent(4);
			if (content2 != 0)
			{
				if (content2 == 0)
				{
					throw new NullReferenceException();
				}
				DerObjectIdentifier contentType = encapContentInfo.contentType;
				if (this._signedContent == (ulong)0L)
				{
					goto IL_F0;
				}
				CmsTypedStream cmsTypedStream;
				Streams.Drain(cmsTypedStream._in);
				Platform.Dispose(cmsTypedStream._in);
			}
			CmsTypedStream signedContent2 = this._signedContent;
			if (signedContent2 == 0)
			{
				DerObjectIdentifier contentType2 = encapContentInfo.contentType;
			}
			IL_F0:
			DerObjectIdentifier derObjectIdentifier = new DerObjectIdentifier(signedContent2._oid);
			this._signedContentType = derObjectIdentifier;
		}

		// Token: 0x17001968 RID: 6504
		// (get) Token: 0x0600A1EA RID: 41450 RVA: 0x0025A8C4 File Offset: 0x00258AC4
		[Token(Token = "0x17001968")]
		public int Version
		{
			[Token(Token = "0x600A1EA")]
			[Address(RVA = "0x1C7DAB0", Offset = "0x1C7C4B0", VA = "0x181C7DAB0")]
			get
			{
				return this._signedData._version.Value.IntValue;
			}
		}

		// Token: 0x17001969 RID: 6505
		// (get) Token: 0x0600A1EB RID: 41451 RVA: 0x0025A8EC File Offset: 0x00258AEC
		[Token(Token = "0x17001969")]
		public ISet DigestOids
		{
			[Token(Token = "0x600A1EB")]
			[Address(RVA = "0x1C7DA50", Offset = "0x1C7C450", VA = "0x181C7DA50")]
			get
			{
				/*
An exception occurred when decompiling this method (0600A1EB)

ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections.ISet BestHTTP.SecureProtocol.Org.BouncyCastle.Cms.CmsSignedDataParser::get_DigestOids()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stloc:HashSet(var_0_0B, newobj:HashSet(HashSet::.ctor, ldfld:ISet[exp:IEnumerable](CmsSignedDataParser::_digestOids, ldloc:CmsSignedDataParser(this))))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
			}
		}

		// Token: 0x0600A1EC RID: 41452 RVA: 0x0025A904 File Offset: 0x00258B04
		[Token(Token = "0x600A1EC")]
		[Address(RVA = "0x1C7C930", Offset = "0x1C7B330", VA = "0x181C7C930")]
		public SignerInformationStore GetSignerInfos()
		{
			int num = 0;
			SignerInformationStore signerInfoStore = this._signerInfoStore;
			if (signerInfoStore == 0)
			{
				this.PopulateCertCrlSets();
				IList list = Platform.CreateArrayList();
				IDictionary dictionary = Platform.CreateHashtable();
				IDictionary digests = this._digests;
				if (dictionary != 0)
				{
					IDictionary digests2 = this._digests;
				}
				int num2 = 0;
				byte[] array;
				if (array != 0)
				{
				}
				if (num2 != -1)
				{
				}
				if (num != 0)
				{
					throw new NullReferenceException();
				}
				if (this._signedData.GetSignerInfos() != 0)
				{
					CmsSignedHelper helper = CmsSignedDataParser.Helper;
					SignerInfo signerInfo;
					Asn1Object asn1Object = signerInfo.digAlgorithm.ToAsn1Object();
					DerObjectIdentifier signedContentType = this._signedContentType;
					BaseDigestCalculator baseDigestCalculator;
					string text;
					baseDigestCalculator.digest = text;
					int num3;
					SignerInformation signerInformation = new SignerInformation(signerInfo, signedContentType, num3, baseDigestCalculator);
					num3 = 0;
				}
				SignerInformationStore signerInformationStore;
				this._signerInfoStore = signerInformationStore;
			}
			return signerInfoStore;
		}

		// Token: 0x0600A1ED RID: 41453 RVA: 0x0025AA0C File Offset: 0x00258C0C
		[Token(Token = "0x600A1ED")]
		[Address(RVA = "0x1C7C4A0", Offset = "0x1C7AEA0", VA = "0x181C7C4A0")]
		public IX509Store GetAttributeCertificates(string type)
		{
			IX509Store attributeStore = this._attributeStore;
			if (attributeStore == 0)
			{
				this.PopulateCertCrlSets();
				CmsSignedHelper helper = CmsSignedDataParser.Helper;
				Asn1Set certSet = this._certSet;
				IX509Store ix509Store = helper.CreateAttributeStore(type, certSet);
				this._attributeStore = ix509Store;
			}
			return attributeStore;
		}

		// Token: 0x0600A1EE RID: 41454 RVA: 0x0025AA50 File Offset: 0x00258C50
		[Token(Token = "0x600A1EE")]
		[Address(RVA = "0x1C7C540", Offset = "0x1C7AF40", VA = "0x181C7C540")]
		public IX509Store GetCertificates(string type)
		{
			IX509Store certificateStore = this._certificateStore;
			if (certificateStore == 0)
			{
				this.PopulateCertCrlSets();
				CmsSignedHelper helper = CmsSignedDataParser.Helper;
				Asn1Set certSet = this._certSet;
				IX509Store ix509Store = helper.CreateCertificateStore(type, certSet);
				this._certificateStore = ix509Store;
			}
			return certificateStore;
		}

		// Token: 0x0600A1EF RID: 41455 RVA: 0x0025AA94 File Offset: 0x00258C94
		[Token(Token = "0x600A1EF")]
		[Address(RVA = "0x1C7C5E0", Offset = "0x1C7AFE0", VA = "0x181C7C5E0")]
		public IX509Store GetCrls(string type)
		{
			IX509Store crlStore = this._crlStore;
			if (crlStore == 0)
			{
				this.PopulateCertCrlSets();
				CmsSignedHelper helper = CmsSignedDataParser.Helper;
				Asn1Set crlSet = this._crlSet;
				IX509Store ix509Store = helper.CreateCrlStore(type, crlSet);
				this._crlStore = ix509Store;
			}
			return crlStore;
		}

		// Token: 0x0600A1F0 RID: 41456 RVA: 0x0025AAD8 File Offset: 0x00258CD8
		[Token(Token = "0x600A1F0")]
		[Address(RVA = "0x1C7CDC0", Offset = "0x1C7B7C0", VA = "0x181C7CDC0")]
		private void PopulateCertCrlSets()
		{
			if (!this._isCertCrlParsed)
			{
				this._isCertCrlParsed = true;
				if (this._signedData.GetCertificates() == 0)
				{
				}
				Asn1Set asn1Set;
				this._certSet = asn1Set;
				if (this._signedData.GetCrls() != 0)
				{
				}
				Asn1Set asn1Set2;
				this._crlSet = asn1Set2;
			}
		}

		// Token: 0x1700196A RID: 6506
		// (get) Token: 0x0600A1F1 RID: 41457 RVA: 0x0025AB2C File Offset: 0x00258D2C
		[Token(Token = "0x1700196A")]
		public DerObjectIdentifier SignedContentType
		{
			[Token(Token = "0x600A1F1")]
			[Address(RVA = "0x3C1230", Offset = "0x3BFC30", VA = "0x1803C1230")]
			get
			{
				return this._signedContentType;
			}
		}

		// Token: 0x0600A1F2 RID: 41458 RVA: 0x0025AB40 File Offset: 0x00258D40
		[Token(Token = "0x600A1F2")]
		[Address(RVA = "0x1C7C680", Offset = "0x1C7B080", VA = "0x181C7C680")]
		public CmsTypedStream GetSignedContent()
		{
			int num;
			CmsTypedStream signedContent;
			DigestStream digestStream;
			do
			{
				num = 0;
				signedContent = this._signedContent;
				if (signedContent == 0)
				{
					return signedContent;
				}
				IDictionary digests = this._digests;
				if (signedContent != 0)
				{
					if (num < signedContent)
					{
						num += num;
						num++;
					}
					if (signedContent == 0)
					{
					}
					if (signedContent == 0)
					{
						goto IL_58;
					}
				}
				if (digestStream != 0)
				{
				}
				if (num != -1)
				{
				}
			}
			while (num != 0);
			uint num2;
			CmsTypedStream cmsTypedStream = new CmsTypedStream(this._signedContent._oid, digestStream, (int)num2);
			return signedContent;
			IL_58:
			throw new NullReferenceException();
		}

		// Token: 0x0600A1F3 RID: 41459 RVA: 0x0025ABAC File Offset: 0x00258DAC
		[Token(Token = "0x600A1F3")]
		[Address(RVA = "0x1C7D140", Offset = "0x1C7BB40", VA = "0x181C7D140")]
		public static Stream ReplaceSigners(Stream original, SignerInformationStore signerInformationStore, Stream outStr)
		{
			CmsSignedDataStreamGenerator cmsSignedDataStreamGenerator = new CmsSignedDataStreamGenerator();
			int num;
			CmsSignedDataParser cmsSignedDataParser = new CmsSignedDataParser(num, original);
			num = 0;
			cmsSignedDataStreamGenerator.AddSigners(signerInformationStore);
			CmsTypedStream signedContent = cmsSignedDataParser.GetSignedContent();
			DerObjectIdentifier signedContentType = cmsSignedDataParser._signedContentType;
			bool flag = signedContent != 0;
			string identifier = signedContentType.identifier;
			int num2 = 0;
			Stream stream = cmsSignedDataStreamGenerator.Open(outStr, identifier, flag, num2);
			if (flag)
			{
				Streams.PipeAll(signedContent._in, stream);
			}
			IX509Store ix509Store;
			if (cmsSignedDataParser._attributeStore == 0)
			{
				cmsSignedDataParser.PopulateCertCrlSets();
				CmsSignedHelper helper = CmsSignedDataParser.Helper;
				Asn1Set certSet = cmsSignedDataParser._certSet;
				ix509Store = helper.CreateAttributeStore("Collection", certSet);
				cmsSignedDataParser._attributeStore = ix509Store;
			}
			cmsSignedDataStreamGenerator.AddAttributeCertificates(ix509Store);
			IX509Store ix509Store2;
			if (cmsSignedDataParser._certificateStore == 0)
			{
				cmsSignedDataParser.PopulateCertCrlSets();
				CmsSignedHelper helper2 = CmsSignedDataParser.Helper;
				Asn1Set certSet2 = cmsSignedDataParser._certSet;
				ix509Store2 = helper2.CreateCertificateStore("Collection", certSet2);
				cmsSignedDataParser._certificateStore = ix509Store2;
			}
			IList certs = cmsSignedDataStreamGenerator._certs;
			IList certificatesFromStore = CmsUtilities.GetCertificatesFromStore(ix509Store2);
			CollectionUtilities.AddRange(certs, certificatesFromStore);
			IX509Store ix509Store3;
			if (cmsSignedDataParser._crlStore == 0)
			{
				cmsSignedDataParser.PopulateCertCrlSets();
				CmsSignedHelper helper3 = CmsSignedDataParser.Helper;
				Asn1Set crlSet = cmsSignedDataParser._crlSet;
				ix509Store3 = helper3.CreateCrlStore("Collection", crlSet);
				cmsSignedDataParser._crlStore = ix509Store3;
			}
			IList crls = cmsSignedDataStreamGenerator._crls;
			IList crlsFromStore = CmsUtilities.GetCrlsFromStore(ix509Store3);
			CollectionUtilities.AddRange(crls, crlsFromStore);
			Platform.Dispose(stream);
			return outStr;
		}

		// Token: 0x0600A1F4 RID: 41460 RVA: 0x0025AD04 File Offset: 0x00258F04
		[Token(Token = "0x600A1F4")]
		[Address(RVA = "0x1C7CF40", Offset = "0x1C7B940", VA = "0x181C7CF40")]
		public static Stream ReplaceCertificatesAndCrls(Stream original, IX509Store x509Certs, IX509Store x509Crls, IX509Store x509AttrCerts, Stream outStr)
		{
			CmsSignedDataStreamGenerator cmsSignedDataStreamGenerator = new CmsSignedDataStreamGenerator();
			int num;
			CmsSignedDataParser cmsSignedDataParser = new CmsSignedDataParser(num, original);
			num = 0;
			HashSet hashSet = new HashSet(cmsSignedDataParser._digestOids);
			cmsSignedDataStreamGenerator.AddDigests(hashSet);
			CmsTypedStream signedContent = cmsSignedDataParser.GetSignedContent();
			DerObjectIdentifier signedContentType = cmsSignedDataParser._signedContentType;
			bool flag = signedContent != 0;
			Stream stream;
			if (flag)
			{
				Streams.PipeAll(signedContent._in, stream);
			}
			if (x509AttrCerts != 0)
			{
				cmsSignedDataStreamGenerator.AddAttributeCertificates(x509AttrCerts);
			}
			if (x509Certs != 0)
			{
				IList certs = cmsSignedDataStreamGenerator._certs;
				IList certificatesFromStore = CmsUtilities.GetCertificatesFromStore(x509Certs);
				CollectionUtilities.AddRange(certs, certificatesFromStore);
			}
			if (x509Crls != 0)
			{
				IList crls = cmsSignedDataStreamGenerator._crls;
				IList crlsFromStore = CmsUtilities.GetCrlsFromStore(x509Crls);
				CollectionUtilities.AddRange(crls, crlsFromStore);
			}
			SignerInformationStore signerInfos = cmsSignedDataParser.GetSignerInfos();
			cmsSignedDataStreamGenerator.AddSigners(signerInfos);
			Platform.Dispose(stream);
			throw new NullReferenceException();
		}

		// Token: 0x0600A1F5 RID: 41461 RVA: 0x0025ADC8 File Offset: 0x00258FC8
		[Token(Token = "0x600A1F5")]
		[Address(RVA = "0x1C7C440", Offset = "0x1C7AE40", VA = "0x181C7C440")]
		private static Asn1Set GetAsn1Set(Asn1SetParser asn1SetParser)
		{
			if (asn1SetParser == 0)
			{
			}
			return Asn1Set.GetInstance(0);
		}

		// Token: 0x04006A83 RID: 27267
		[Token(Token = "0x4006A83")]
		private static readonly CmsSignedHelper Helper = CmsSignedHelper.Instance;

		// Token: 0x04006A84 RID: 27268
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006A84")]
		private SignedDataParser _signedData;

		// Token: 0x04006A85 RID: 27269
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006A85")]
		private DerObjectIdentifier _signedContentType;

		// Token: 0x04006A86 RID: 27270
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4006A86")]
		private CmsTypedStream _signedContent;

		// Token: 0x04006A87 RID: 27271
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4006A87")]
		private IDictionary _digests;

		// Token: 0x04006A88 RID: 27272
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4006A88")]
		private ISet _digestOids;

		// Token: 0x04006A89 RID: 27273
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4006A89")]
		private SignerInformationStore _signerInfoStore;

		// Token: 0x04006A8A RID: 27274
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x50")]
		[Token(Token = "0x4006A8A")]
		private Asn1Set _certSet;

		// Token: 0x04006A8B RID: 27275
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x58")]
		[Token(Token = "0x4006A8B")]
		private Asn1Set _crlSet;

		// Token: 0x04006A8C RID: 27276
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x60")]
		[Token(Token = "0x4006A8C")]
		private bool _isCertCrlParsed;

		// Token: 0x04006A8D RID: 27277
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x68")]
		[Token(Token = "0x4006A8D")]
		private IX509Store _attributeStore;

		// Token: 0x04006A8E RID: 27278
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x70")]
		[Token(Token = "0x4006A8E")]
		private IX509Store _certificateStore;

		// Token: 0x04006A8F RID: 27279
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x78")]
		[Token(Token = "0x4006A8F")]
		private IX509Store _crlStore;
	}
}