using System;
using System.Collections;
using System.IO;
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: 0x02001E27 RID: 7719
	[Token(Token = "0x2001E27")]
	public class CmsSignedDataParser : CmsContentInfoParser
	{
		// Token: 0x0600C18E RID: 49550 RVA: 0x002BB398 File Offset: 0x002B9598
		[Token(Token = "0x600C18E")]
		[Address(RVA = "0x214B980", Offset = "0x214A980", VA = "0x18214B980")]
		public CmsSignedDataParser(byte[] sigBlock)
		{
			int num;
			MemoryStream memoryStream = new MemoryStream(sigBlock, num != 0);
			num = 0;
		}

		// Token: 0x0600C18F RID: 49551 RVA: 0x002BB3B4 File Offset: 0x002B95B4
		[Token(Token = "0x600C18F")]
		[Address(RVA = "0x214B4C0", Offset = "0x214A4C0", VA = "0x18214B4C0")]
		public CmsSignedDataParser(CmsTypedStream signedContent, byte[] sigBlock)
		{
			int num;
			MemoryStream memoryStream = new MemoryStream(sigBlock, num != 0);
			num = 0;
		}

		// Token: 0x0600C190 RID: 49552 RVA: 0x002BB3CC File Offset: 0x002B95CC
		[Token(Token = "0x600C190")]
		[Address(RVA = "0x214B970", Offset = "0x214A970", VA = "0x18214B970")]
		public CmsSignedDataParser(Stream sigData)
		{
		}

		// Token: 0x0600C191 RID: 49553 RVA: 0x002BB3DC File Offset: 0x002B95DC
		[Token(Token = "0x600C191")]
		[Address(RVA = "0x214B540", Offset = "0x214A540", VA = "0x18214B540")]
		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_DF;
				}
				CmsTypedStream cmsTypedStream;
				cmsTypedStream.Drain();
			}
			CmsTypedStream signedContent2 = this._signedContent;
			if (signedContent2 == 0)
			{
				DerObjectIdentifier contentType2 = encapContentInfo.contentType;
			}
			IL_DF:
			DerObjectIdentifier derObjectIdentifier = new DerObjectIdentifier(signedContent2._oid);
			this._signedContentType = derObjectIdentifier;
		}

		// Token: 0x17001E06 RID: 7686
		// (get) Token: 0x0600C192 RID: 49554 RVA: 0x002BB540 File Offset: 0x002B9740
		[Token(Token = "0x17001E06")]
		public int Version
		{
			[Token(Token = "0x600C192")]
			[Address(RVA = "0x214BA50", Offset = "0x214AA50", VA = "0x18214BA50")]
			get
			{
				return this._signedData._version.Value.IntValue;
			}
		}

		// Token: 0x17001E07 RID: 7687
		// (get) Token: 0x0600C193 RID: 49555 RVA: 0x002BB568 File Offset: 0x002B9768
		[Token(Token = "0x17001E07")]
		public ISet DigestOids
		{
			[Token(Token = "0x600C193")]
			[Address(RVA = "0x214B9F0", Offset = "0x214A9F0", VA = "0x18214B9F0")]
			get
			{
				/*
An exception occurred when decompiling this method (0600C193)

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: 0x0600C194 RID: 49556 RVA: 0x002BB580 File Offset: 0x002B9780
		[Token(Token = "0x600C194")]
		[Address(RVA = "0x214A9A0", Offset = "0x21499A0", VA = "0x18214A9A0")]
		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;
				}
				byte[] array;
				if (array != 0)
				{
				}
				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 num2;
					SignerInformation signerInformation = new SignerInformation(signerInfo, signedContentType, num2, baseDigestCalculator);
					num2 = 0;
				}
				SignerInformationStore signerInformationStore;
				this._signerInfoStore = signerInformationStore;
			}
			return signerInfoStore;
		}

		// Token: 0x0600C195 RID: 49557 RVA: 0x002BB680 File Offset: 0x002B9880
		[Token(Token = "0x600C195")]
		[Address(RVA = "0x214A560", Offset = "0x2149560", VA = "0x18214A560")]
		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: 0x0600C196 RID: 49558 RVA: 0x002BB6C4 File Offset: 0x002B98C4
		[Token(Token = "0x600C196")]
		[Address(RVA = "0x214A600", Offset = "0x2149600", VA = "0x18214A600")]
		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: 0x0600C197 RID: 49559 RVA: 0x002BB708 File Offset: 0x002B9908
		[Token(Token = "0x600C197")]
		[Address(RVA = "0x214A6A0", Offset = "0x21496A0", VA = "0x18214A6A0")]
		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: 0x0600C198 RID: 49560 RVA: 0x002BB74C File Offset: 0x002B994C
		[Token(Token = "0x600C198")]
		[Address(RVA = "0x214AE00", Offset = "0x2149E00", VA = "0x18214AE00")]
		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: 0x17001E08 RID: 7688
		// (get) Token: 0x0600C199 RID: 49561 RVA: 0x002BB7A0 File Offset: 0x002B99A0
		[Token(Token = "0x17001E08")]
		public DerObjectIdentifier SignedContentType
		{
			[Token(Token = "0x600C199")]
			[Address(RVA = "0x4157D0", Offset = "0x4147D0", VA = "0x1804157D0")]
			get
			{
				return this._signedContentType;
			}
		}

		// Token: 0x0600C19A RID: 49562 RVA: 0x002BB7B4 File Offset: 0x002B99B4
		[Token(Token = "0x600C19A")]
		[Address(RVA = "0x214A740", Offset = "0x2149740", VA = "0x18214A740")]
		public CmsTypedStream GetSignedContent()
		{
			int num;
			CmsTypedStream signedContent;
			DigestStream digestStream;
			do
			{
				num = 0;
				signedContent = this._signedContent;
				if (signedContent == 0)
				{
					return signedContent;
				}
				Stream @in = signedContent._in;
				IDictionary digests = this._digests;
				if (signedContent != 0)
				{
					if (num < signedContent)
					{
						num += num;
						num++;
					}
					if (num == 0)
					{
						num++;
						num += 19;
					}
					if (num == 0)
					{
						goto IL_6F;
					}
					int num2;
					digestStream = new DigestStream(@in, num, num2);
					num2 = 0;
				}
				if (digestStream != 0)
				{
				}
			}
			while (num != 0);
			CmsTypedStream cmsTypedStream = new CmsTypedStream(this._signedContent._oid, digestStream);
			return signedContent;
			IL_6F:
			throw new NullReferenceException();
		}

		// Token: 0x0600C19B RID: 49563 RVA: 0x002BB838 File Offset: 0x002B9A38
		[Token(Token = "0x600C19B")]
		[Address(RVA = "0x214B160", Offset = "0x214A160", VA = "0x18214B160")]
		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;
			Stream stream = cmsSignedDataStreamGenerator.Open(outStr, identifier, flag);
			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;
			}
			cmsSignedDataStreamGenerator.AddCertificates(ix509Store2);
			IX509Store ix509Store3;
			if (cmsSignedDataParser._crlStore == 0)
			{
				cmsSignedDataParser.PopulateCertCrlSets();
				CmsSignedHelper helper3 = CmsSignedDataParser.Helper;
				Asn1Set crlSet = cmsSignedDataParser._crlSet;
				ix509Store3 = helper3.CreateCrlStore("Collection", crlSet);
				cmsSignedDataParser._crlStore = ix509Store3;
			}
			cmsSignedDataStreamGenerator.AddCrls(ix509Store3);
			Platform.Dispose(stream);
			return outStr;
		}

		// Token: 0x0600C19C RID: 49564 RVA: 0x002BB964 File Offset: 0x002B9B64
		[Token(Token = "0x600C19C")]
		[Address(RVA = "0x214AF80", Offset = "0x2149F80", VA = "0x18214AF80")]
		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;
			Streams.PipeAll(signedContent._in, stream);
			if (x509AttrCerts != 0)
			{
				cmsSignedDataStreamGenerator.AddAttributeCertificates(x509AttrCerts);
			}
			if (x509Certs != 0)
			{
				cmsSignedDataStreamGenerator.AddCertificates(x509Certs);
			}
			if (x509Crls != 0)
			{
				cmsSignedDataStreamGenerator.AddCrls(x509Crls);
			}
			SignerInformationStore signerInfos = cmsSignedDataParser.GetSignerInfos();
			cmsSignedDataStreamGenerator.AddSigners(signerInfos);
			throw new NullReferenceException();
		}

		// Token: 0x0600C19D RID: 49565 RVA: 0x002BB9F4 File Offset: 0x002B9BF4
		[Token(Token = "0x600C19D")]
		[Address(RVA = "0x214A500", Offset = "0x2149500", VA = "0x18214A500")]
		private static Asn1Set GetAsn1Set(Asn1SetParser asn1SetParser)
		{
			if (asn1SetParser == 0)
			{
			}
			return Asn1Set.GetInstance(0);
		}

		// Token: 0x04007A7F RID: 31359
		[Token(Token = "0x4007A7F")]
		private static readonly CmsSignedHelper Helper = CmsSignedHelper.Instance;

		// Token: 0x04007A80 RID: 31360
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007A80")]
		private SignedDataParser _signedData;

		// Token: 0x04007A81 RID: 31361
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007A81")]
		private DerObjectIdentifier _signedContentType;

		// Token: 0x04007A82 RID: 31362
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007A82")]
		private CmsTypedStream _signedContent;

		// Token: 0x04007A83 RID: 31363
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4007A83")]
		private IDictionary _digests;

		// Token: 0x04007A84 RID: 31364
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4007A84")]
		private ISet _digestOids;

		// Token: 0x04007A85 RID: 31365
		[FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4007A85")]
		private SignerInformationStore _signerInfoStore;

		// Token: 0x04007A86 RID: 31366
		[FieldOffset(Offset = "0x50")]
		[Token(Token = "0x4007A86")]
		private Asn1Set _certSet;

		// Token: 0x04007A87 RID: 31367
		[FieldOffset(Offset = "0x58")]
		[Token(Token = "0x4007A87")]
		private Asn1Set _crlSet;

		// Token: 0x04007A88 RID: 31368
		[FieldOffset(Offset = "0x60")]
		[Token(Token = "0x4007A88")]
		private bool _isCertCrlParsed;

		// Token: 0x04007A89 RID: 31369
		[FieldOffset(Offset = "0x68")]
		[Token(Token = "0x4007A89")]
		private IX509Store _attributeStore;

		// Token: 0x04007A8A RID: 31370
		[FieldOffset(Offset = "0x70")]
		[Token(Token = "0x4007A8A")]
		private IX509Store _certificateStore;

		// Token: 0x04007A8B RID: 31371
		[FieldOffset(Offset = "0x78")]
		[Token(Token = "0x4007A8B")]
		private IX509Store _crlStore;
	}
}