using System;
using System.Collections;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.CryptoPro;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.GM;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Oiw;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Rosstandart;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.TeleTrust;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections;
using BestHTTP.SecureProtocol.Org.BouncyCastle.X509;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Tsp
{
	// Token: 0x0200138A RID: 5002
	[Token(Token = "0x200138A")]
	[StructLayout(3)]
	public class TspUtil
	{
		// Token: 0x06007EAF RID: 32431 RVA: 0x001A8720 File Offset: 0x001A6920
		[Token(Token = "0x6007EAF")]
		[Address(RVA = "0x1C6E950", Offset = "0x1C6D350", VA = "0x181C6E950")]
		static TspUtil()
		{
			IDictionary dictionary = Platform.CreateHashtable();
			HashSet hashSet;
			hashSet.impl = dictionary;
			UnmodifiableSetProxy unmodifiableSetProxy;
			unmodifiableSetProxy.s = hashSet;
			TspUtil.EmptySet = unmodifiableSetProxy;
			IList list = Platform.CreateArrayList();
			UnmodifiableListProxy unmodifiableListProxy;
			unmodifiableListProxy.l = list;
			TspUtil.EmptyList = unmodifiableListProxy;
			IDictionary dictionary2 = Platform.CreateHashtable();
			TspUtil.digestLengths = dictionary2;
			TspUtil.digestNames = Platform.CreateHashtable();
			IDictionary dictionary3 = TspUtil.digestLengths;
			DerObjectIdentifier md = PkcsObjectIdentifiers.MD5;
			IDictionary dictionary4 = TspUtil.digestLengths;
			DerObjectIdentifier idSha = OiwObjectIdentifiers.IdSha1;
			IDictionary dictionary5 = TspUtil.digestLengths;
			DerObjectIdentifier idSha2 = NistObjectIdentifiers.IdSha224;
			IDictionary dictionary6 = TspUtil.digestLengths;
			DerObjectIdentifier idSha3 = NistObjectIdentifiers.IdSha256;
			IDictionary dictionary7 = TspUtil.digestLengths;
			DerObjectIdentifier idSha4 = NistObjectIdentifiers.IdSha384;
			IDictionary dictionary8 = TspUtil.digestLengths;
			DerObjectIdentifier idSha5 = NistObjectIdentifiers.IdSha512;
			IDictionary dictionary9 = TspUtil.digestLengths;
			DerObjectIdentifier ripeMD = TeleTrusTObjectIdentifiers.RipeMD128;
			IDictionary dictionary10 = TspUtil.digestLengths;
			DerObjectIdentifier ripeMD2 = TeleTrusTObjectIdentifiers.RipeMD160;
			IDictionary dictionary11 = TspUtil.digestLengths;
			DerObjectIdentifier ripeMD3 = TeleTrusTObjectIdentifiers.RipeMD256;
			IDictionary dictionary12 = TspUtil.digestLengths;
			DerObjectIdentifier gostR = CryptoProObjectIdentifiers.GostR3411;
			IDictionary dictionary13 = TspUtil.digestLengths;
			DerObjectIdentifier id_tc26_gost_3411_12_ = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256;
			IDictionary dictionary14 = TspUtil.digestLengths;
			DerObjectIdentifier id_tc26_gost_3411_12_2 = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512;
			IDictionary dictionary15 = TspUtil.digestLengths;
			DerObjectIdentifier sm = GMObjectIdentifiers.sm3;
			IDictionary dictionary16 = TspUtil.digestNames;
			DerObjectIdentifier md2 = PkcsObjectIdentifiers.MD5;
			IDictionary dictionary17 = TspUtil.digestNames;
			DerObjectIdentifier idSha6 = OiwObjectIdentifiers.IdSha1;
			IDictionary dictionary18 = TspUtil.digestNames;
			DerObjectIdentifier idSha7 = NistObjectIdentifiers.IdSha224;
			IDictionary dictionary19 = TspUtil.digestNames;
			DerObjectIdentifier idSha8 = NistObjectIdentifiers.IdSha256;
			IDictionary dictionary20 = TspUtil.digestNames;
			DerObjectIdentifier idSha9 = NistObjectIdentifiers.IdSha384;
			IDictionary dictionary21 = TspUtil.digestNames;
			DerObjectIdentifier idSha10 = NistObjectIdentifiers.IdSha512;
			IDictionary dictionary22 = TspUtil.digestNames;
			DerObjectIdentifier md5WithRsaEncryption = PkcsObjectIdentifiers.MD5WithRsaEncryption;
			IDictionary dictionary23 = TspUtil.digestNames;
			DerObjectIdentifier sha1WithRsaEncryption = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
			IDictionary dictionary24 = TspUtil.digestNames;
			DerObjectIdentifier sha224WithRsaEncryption = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
			IDictionary dictionary25 = TspUtil.digestNames;
			DerObjectIdentifier sha256WithRsaEncryption = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
			IDictionary dictionary26 = TspUtil.digestNames;
			DerObjectIdentifier sha384WithRsaEncryption = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
			IDictionary dictionary27 = TspUtil.digestNames;
			DerObjectIdentifier sha512WithRsaEncryption = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
			IDictionary dictionary28 = TspUtil.digestNames;
			DerObjectIdentifier ripeMD4 = TeleTrusTObjectIdentifiers.RipeMD128;
			IDictionary dictionary29 = TspUtil.digestNames;
			DerObjectIdentifier ripeMD5 = TeleTrusTObjectIdentifiers.RipeMD160;
			IDictionary dictionary30 = TspUtil.digestNames;
			DerObjectIdentifier ripeMD6 = TeleTrusTObjectIdentifiers.RipeMD256;
			IDictionary dictionary31 = TspUtil.digestNames;
			DerObjectIdentifier gostR2 = CryptoProObjectIdentifiers.GostR3411;
			IDictionary dictionary32 = TspUtil.digestNames;
			DerObjectIdentifier dsaWithSha = OiwObjectIdentifiers.DsaWithSha1;
			IDictionary dictionary33 = TspUtil.digestNames;
			DerObjectIdentifier sha1WithRsa = OiwObjectIdentifiers.Sha1WithRsa;
			IDictionary dictionary34 = TspUtil.digestNames;
			DerObjectIdentifier md5WithRsa = OiwObjectIdentifiers.MD5WithRsa;
			IDictionary dictionary35 = TspUtil.digestNames;
			DerObjectIdentifier id_tc26_gost_3411_12_3 = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256;
			IDictionary dictionary36 = TspUtil.digestNames;
			DerObjectIdentifier id_tc26_gost_3411_12_4 = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512;
			IDictionary dictionary37 = TspUtil.digestNames;
			DerObjectIdentifier sm2 = GMObjectIdentifiers.sm3;
		}

		// Token: 0x06007EB0 RID: 32432 RVA: 0x001A8974 File Offset: 0x001A6B74
		[Token(Token = "0x6007EB0")]
		[Address(RVA = "0x1C6E0B0", Offset = "0x1C6CAB0", VA = "0x181C6E0B0")]
		public static ICollection GetSignatureTimestamps(SignerInformation signerInfo)
		{
			byte[] array;
			do
			{
				IList list = Platform.CreateArrayList();
				BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable unsignedAttributes = signerInfo.UnsignedAttributes;
				if (unsignedAttributes == 0)
				{
					break;
				}
				DerObjectIdentifier idAASignatureTimeStampToken = PkcsObjectIdentifiers.IdAASignatureTimeStampToken;
				IEnumerator enumerator = unsignedAttributes.GetAll(idAASignatureTimeStampToken).GetEnumerator();
				if (enumerator != 0)
				{
					if (enumerator == 0 || enumerator == 0)
					{
						goto IL_110;
					}
					BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.ContentInfo contentInfo;
					TimeStampTokenInfo tstInfo = new TimeStampToken(contentInfo).tstInfo;
					byte[] array2;
					array = DigestUtilities.CalculateDigest(TspUtil.GetDigestAlgName(tstInfo.MessageImprintAlgOid), array2);
					byte[] hashedMessage = tstInfo.tstInfo.messageImprint.hashedMessage;
					if (!Arrays.ConstantTimeAreEqual(array, hashedMessage))
					{
						goto IL_BC;
					}
					if ((uint)(-1) != 0U)
					{
					}
					if ((ulong)((uint)(-1)) != (ulong)(-1L))
					{
					}
					if (array != 0)
					{
						goto IL_10A;
					}
				}
				if ((uint)(-1) != 0U)
				{
				}
				if ((ulong)((uint)(-1)) != (ulong)(-1L))
				{
				}
			}
			while (array != 0);
			throw new NullReferenceException();
			IL_BC:
			TspValidationException ex = new TspValidationException("Incorrect digest in message imprint");
			throw new NullReferenceException();
			IL_10A:
			throw new NullReferenceException();
			IL_110:
			throw new NullReferenceException();
		}

		// Token: 0x06007EB1 RID: 32433 RVA: 0x001A8A9C File Offset: 0x001A6C9C
		[Token(Token = "0x6007EB1")]
		[Address(RVA = "0x1C6E670", Offset = "0x1C6D070", VA = "0x181C6E670")]
		public static void ValidateCertificate(X509Certificate cert)
		{
			/*
An exception occurred when decompiling this method (06007EB1)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Tsp.TspUtil::ValidateCertificate(BestHTTP.SecureProtocol.Org.BouncyCastle.X509.X509Certificate)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_57:
	stloc:TspValidationException(var_6_61, newobj:TspValidationException(TspValidationException::.ctor, ldstr:string("Certificate must have an ExtendedKeyUsage extension marked as critical.")))
}

   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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   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: 0x06007EB2 RID: 32434 RVA: 0x001A8B0C File Offset: 0x001A6D0C
		[Token(Token = "0x6007EB2")]
		[Address(RVA = "0x1C6DD00", Offset = "0x1C6C700", VA = "0x181C6DD00")]
		internal static string GetDigestAlgName(string digestAlgOID)
		{
			IDictionary dictionary = TspUtil.digestNames;
			return digestAlgOID;
		}

		// Token: 0x06007EB3 RID: 32435 RVA: 0x001A8B28 File Offset: 0x001A6D28
		[Token(Token = "0x6007EB3")]
		[Address(RVA = "0x1C6DDB0", Offset = "0x1C6C7B0", VA = "0x181C6DDB0")]
		internal static int GetDigestLength(string digestAlgOID)
		{
			IDictionary dictionary = TspUtil.digestLengths;
			IDictionary dictionary2 = TspUtil.digestLengths;
			ISet emptySet = TspUtil.EmptySet;
			throw new NullReferenceException();
		}

		// Token: 0x06007EB4 RID: 32436 RVA: 0x001A8B5C File Offset: 0x001A6D5C
		[Token(Token = "0x6007EB4")]
		[Address(RVA = "0x1C6DBA0", Offset = "0x1C6C5A0", VA = "0x181C6DBA0")]
		internal static IDigest CreateDigestInstance(string digestAlgOID)
		{
			return DigestUtilities.GetDigest(TspUtil.GetDigestAlgName(digestAlgOID));
		}

		// Token: 0x06007EB5 RID: 32437 RVA: 0x001A8B74 File Offset: 0x001A6D74
		[Token(Token = "0x6007EB5")]
		[Address(RVA = "0x1C6DC20", Offset = "0x1C6C620", VA = "0x181C6DC20")]
		internal static ISet GetCriticalExtensionOids(X509Extensions extensions)
		{
			if (extensions != 0)
			{
				HashSet hashSet = new HashSet(extensions.GetCriticalExtensionOids());
				UnmodifiableSetProxy unmodifiableSetProxy;
				unmodifiableSetProxy.s = hashSet;
			}
			return TspUtil.EmptySet;
		}

		// Token: 0x06007EB6 RID: 32438 RVA: 0x001A8BA0 File Offset: 0x001A6DA0
		[Token(Token = "0x6007EB6")]
		[Address(RVA = "0x1C6DFD0", Offset = "0x1C6C9D0", VA = "0x181C6DFD0")]
		internal static ISet GetNonCriticalExtensionOids(X509Extensions extensions)
		{
			if (extensions != 0)
			{
				HashSet hashSet = new HashSet(extensions.GetNonCriticalExtensionOids());
				UnmodifiableSetProxy unmodifiableSetProxy;
				unmodifiableSetProxy.s = hashSet;
			}
			return TspUtil.EmptySet;
		}

		// Token: 0x06007EB7 RID: 32439 RVA: 0x001A8BCC File Offset: 0x001A6DCC
		[Token(Token = "0x6007EB7")]
		[Address(RVA = "0x1C6DEE0", Offset = "0x1C6C8E0", VA = "0x181C6DEE0")]
		internal static IList GetExtensionOids(X509Extensions extensions)
		{
			if (extensions != 0)
			{
				IList list = Platform.CreateArrayList(extensions.GetExtensionOids());
				UnmodifiableListProxy unmodifiableListProxy;
				unmodifiableListProxy.l = list;
			}
			return TspUtil.EmptyList;
		}

		// Token: 0x06007EB8 RID: 32440 RVA: 0x001A8BF8 File Offset: 0x001A6DF8
		[Token(Token = "0x6007EB8")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		public TspUtil()
		{
		}

		// Token: 0x04005A67 RID: 23143
		[Token(Token = "0x4005A67")]
		private static ISet EmptySet;

		// Token: 0x04005A68 RID: 23144
		[Token(Token = "0x4005A68")]
		private static IList EmptyList;

		// Token: 0x04005A69 RID: 23145
		[Token(Token = "0x4005A69")]
		private static readonly IDictionary digestLengths;

		// Token: 0x04005A6A RID: 23146
		[Token(Token = "0x4005A6A")]
		private static readonly IDictionary digestNames;
	}
}