using System;
using System.Collections;
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: 0x02001A47 RID: 6727
	[Token(Token = "0x2001A47")]
	public class TspUtil
	{
		// Token: 0x06009E57 RID: 40535 RVA: 0x00208DE8 File Offset: 0x00206FE8
		[Token(Token = "0x6009E57")]
		[Address(RVA = "0x4F2E40", Offset = "0x4F1E40", VA = "0x1804F2E40")]
		static TspUtil()
		{
			HashSet hashSet = new HashSet();
			Hashtable hashtable = new Hashtable();
			hashSet.impl = hashtable;
			UnmodifiableSetProxy unmodifiableSetProxy;
			unmodifiableSetProxy.s = hashSet;
			TspUtil.EmptySet = unmodifiableSetProxy;
			ArrayList arrayList = new ArrayList();
			UnmodifiableListProxy unmodifiableListProxy;
			unmodifiableListProxy.l = arrayList;
			TspUtil.EmptyList = unmodifiableListProxy;
			TspUtil.digestLengths = new Hashtable();
			TspUtil.digestNames = new Hashtable();
			IDictionary dictionary = TspUtil.digestLengths;
			DerObjectIdentifier md = PkcsObjectIdentifiers.MD5;
			IDictionary dictionary2 = TspUtil.digestLengths;
			DerObjectIdentifier idSha = OiwObjectIdentifiers.IdSha1;
			IDictionary dictionary3 = TspUtil.digestLengths;
			DerObjectIdentifier idSha2 = NistObjectIdentifiers.IdSha224;
			IDictionary dictionary4 = TspUtil.digestLengths;
			DerObjectIdentifier idSha3 = NistObjectIdentifiers.IdSha256;
			IDictionary dictionary5 = TspUtil.digestLengths;
			DerObjectIdentifier idSha4 = NistObjectIdentifiers.IdSha384;
			IDictionary dictionary6 = TspUtil.digestLengths;
			DerObjectIdentifier idSha5 = NistObjectIdentifiers.IdSha512;
			IDictionary dictionary7 = TspUtil.digestLengths;
			DerObjectIdentifier ripeMD = TeleTrusTObjectIdentifiers.RipeMD128;
			IDictionary dictionary8 = TspUtil.digestLengths;
			DerObjectIdentifier ripeMD2 = TeleTrusTObjectIdentifiers.RipeMD160;
			IDictionary dictionary9 = TspUtil.digestLengths;
			DerObjectIdentifier ripeMD3 = TeleTrusTObjectIdentifiers.RipeMD256;
			IDictionary dictionary10 = TspUtil.digestLengths;
			DerObjectIdentifier gostR = CryptoProObjectIdentifiers.GostR3411;
			IDictionary dictionary11 = TspUtil.digestLengths;
			DerObjectIdentifier id_tc26_gost_3411_12_ = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256;
			IDictionary dictionary12 = TspUtil.digestLengths;
			DerObjectIdentifier id_tc26_gost_3411_12_2 = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512;
			IDictionary dictionary13 = TspUtil.digestLengths;
			DerObjectIdentifier sm = GMObjectIdentifiers.sm3;
			IDictionary dictionary14 = TspUtil.digestNames;
			DerObjectIdentifier md2 = PkcsObjectIdentifiers.MD5;
			IDictionary dictionary15 = TspUtil.digestNames;
			DerObjectIdentifier idSha6 = OiwObjectIdentifiers.IdSha1;
			IDictionary dictionary16 = TspUtil.digestNames;
			DerObjectIdentifier idSha7 = NistObjectIdentifiers.IdSha224;
			IDictionary dictionary17 = TspUtil.digestNames;
			DerObjectIdentifier idSha8 = NistObjectIdentifiers.IdSha256;
			IDictionary dictionary18 = TspUtil.digestNames;
			DerObjectIdentifier idSha9 = NistObjectIdentifiers.IdSha384;
			IDictionary dictionary19 = TspUtil.digestNames;
			DerObjectIdentifier idSha10 = NistObjectIdentifiers.IdSha512;
			IDictionary dictionary20 = TspUtil.digestNames;
			DerObjectIdentifier md5WithRsaEncryption = PkcsObjectIdentifiers.MD5WithRsaEncryption;
			IDictionary dictionary21 = TspUtil.digestNames;
			DerObjectIdentifier sha1WithRsaEncryption = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
			IDictionary dictionary22 = TspUtil.digestNames;
			DerObjectIdentifier sha224WithRsaEncryption = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
			IDictionary dictionary23 = TspUtil.digestNames;
			DerObjectIdentifier sha256WithRsaEncryption = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
			IDictionary dictionary24 = TspUtil.digestNames;
			DerObjectIdentifier sha384WithRsaEncryption = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
			IDictionary dictionary25 = TspUtil.digestNames;
			DerObjectIdentifier sha512WithRsaEncryption = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
			IDictionary dictionary26 = TspUtil.digestNames;
			DerObjectIdentifier ripeMD4 = TeleTrusTObjectIdentifiers.RipeMD128;
			IDictionary dictionary27 = TspUtil.digestNames;
			DerObjectIdentifier ripeMD5 = TeleTrusTObjectIdentifiers.RipeMD160;
			IDictionary dictionary28 = TspUtil.digestNames;
			DerObjectIdentifier ripeMD6 = TeleTrusTObjectIdentifiers.RipeMD256;
			IDictionary dictionary29 = TspUtil.digestNames;
			DerObjectIdentifier gostR2 = CryptoProObjectIdentifiers.GostR3411;
			IDictionary dictionary30 = TspUtil.digestNames;
			DerObjectIdentifier dsaWithSha = OiwObjectIdentifiers.DsaWithSha1;
			IDictionary dictionary31 = TspUtil.digestNames;
			DerObjectIdentifier sha1WithRsa = OiwObjectIdentifiers.Sha1WithRsa;
			IDictionary dictionary32 = TspUtil.digestNames;
			DerObjectIdentifier md5WithRsa = OiwObjectIdentifiers.MD5WithRsa;
			IDictionary dictionary33 = TspUtil.digestNames;
			DerObjectIdentifier id_tc26_gost_3411_12_3 = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256;
			IDictionary dictionary34 = TspUtil.digestNames;
			DerObjectIdentifier id_tc26_gost_3411_12_4 = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512;
			IDictionary dictionary35 = TspUtil.digestNames;
			DerObjectIdentifier sm2 = GMObjectIdentifiers.sm3;
		}

		// Token: 0x06009E58 RID: 40536 RVA: 0x00209030 File Offset: 0x00207230
		[Token(Token = "0x6009E58")]
		[Address(RVA = "0x4F25B0", Offset = "0x4F15B0", VA = "0x1804F25B0")]
		public static ICollection GetSignatureTimestamps(SignerInformation signerInfo)
		{
			byte[] array;
			do
			{
				ArrayList arrayList = new ArrayList();
				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_EF;
					}
					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[] messageImprintDigest = tstInfo.GetMessageImprintDigest();
					if (!Arrays.ConstantTimeAreEqual(array, messageImprintDigest))
					{
						goto IL_A7;
					}
					if ((uint)(-1) != 0U)
					{
					}
					if (array != 0)
					{
						goto IL_E9;
					}
					while ((ulong)((uint)(-1)) == (ulong)(-1L))
					{
					}
				}
				if ((uint)(-1) != 0U)
				{
				}
			}
			while (array != 0);
			throw new NullReferenceException();
			IL_A7:
			TspValidationException ex = new TspValidationException("Incorrect digest in message imprint");
			throw new NullReferenceException();
			IL_E9:
			throw new NullReferenceException();
			IL_EF:
			throw new NullReferenceException();
		}

		// Token: 0x06009E59 RID: 40537 RVA: 0x00209138 File Offset: 0x00207338
		[Token(Token = "0x6009E59")]
		[Address(RVA = "0x4F2B60", Offset = "0x4F1B60", VA = "0x1804F2B60")]
		public static void ValidateCertificate(X509Certificate cert)
		{
			/*
An exception occurred when decompiling this method (06009E59)

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: 0x06009E5A RID: 40538 RVA: 0x002091A8 File Offset: 0x002073A8
		[Token(Token = "0x6009E5A")]
		[Address(RVA = "0x4F21D0", Offset = "0x4F11D0", VA = "0x1804F21D0")]
		internal static string GetDigestAlgName(string digestAlgOID)
		{
			IDictionary dictionary = TspUtil.digestNames;
			return digestAlgOID;
		}

		// Token: 0x06009E5B RID: 40539 RVA: 0x002091C4 File Offset: 0x002073C4
		[Token(Token = "0x6009E5B")]
		[Address(RVA = "0x4F2280", Offset = "0x4F1280", VA = "0x1804F2280")]
		internal static int GetDigestLength(string digestAlgOID)
		{
			IDictionary dictionary = TspUtil.digestLengths;
			IDictionary dictionary2 = TspUtil.digestLengths;
			ISet emptySet = TspUtil.EmptySet;
			throw new NullReferenceException();
		}

		// Token: 0x06009E5C RID: 40540 RVA: 0x002091F8 File Offset: 0x002073F8
		[Token(Token = "0x6009E5C")]
		[Address(RVA = "0x4F2070", Offset = "0x4F1070", VA = "0x1804F2070")]
		internal static IDigest CreateDigestInstance(string digestAlgOID)
		{
			return DigestUtilities.GetDigest(TspUtil.GetDigestAlgName(digestAlgOID));
		}

		// Token: 0x06009E5D RID: 40541 RVA: 0x00209210 File Offset: 0x00207410
		[Token(Token = "0x6009E5D")]
		[Address(RVA = "0x4F20F0", Offset = "0x4F10F0", VA = "0x1804F20F0")]
		internal static ISet GetCriticalExtensionOids(X509Extensions extensions)
		{
			if (extensions != 0)
			{
				HashSet hashSet = new HashSet(extensions.GetCriticalExtensionOids());
				UnmodifiableSetProxy unmodifiableSetProxy;
				unmodifiableSetProxy.s = hashSet;
			}
			return TspUtil.EmptySet;
		}

		// Token: 0x06009E5E RID: 40542 RVA: 0x0020923C File Offset: 0x0020743C
		[Token(Token = "0x6009E5E")]
		[Address(RVA = "0x4F24D0", Offset = "0x4F14D0", VA = "0x1804F24D0")]
		internal static ISet GetNonCriticalExtensionOids(X509Extensions extensions)
		{
			if (extensions != 0)
			{
				HashSet hashSet = new HashSet(extensions.GetNonCriticalExtensionOids());
				UnmodifiableSetProxy unmodifiableSetProxy;
				unmodifiableSetProxy.s = hashSet;
			}
			return TspUtil.EmptySet;
		}

		// Token: 0x06009E5F RID: 40543 RVA: 0x00209268 File Offset: 0x00207468
		[Token(Token = "0x6009E5F")]
		[Address(RVA = "0x4F23B0", Offset = "0x4F13B0", VA = "0x1804F23B0")]
		internal static IList GetExtensionOids(X509Extensions extensions)
		{
			if (extensions != 0)
			{
				ArrayList arrayList = new ArrayList(extensions.GetExtensionOids());
				UnmodifiableListProxy unmodifiableListProxy;
				unmodifiableListProxy.l = arrayList;
			}
			return TspUtil.EmptyList;
		}

		// Token: 0x06009E60 RID: 40544 RVA: 0x00209294 File Offset: 0x00207494
		[Token(Token = "0x6009E60")]
		[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
		public TspUtil()
		{
		}

		// Token: 0x04006A63 RID: 27235
		[Token(Token = "0x4006A63")]
		private static ISet EmptySet;

		// Token: 0x04006A64 RID: 27236
		[Token(Token = "0x4006A64")]
		private static IList EmptyList;

		// Token: 0x04006A65 RID: 27237
		[Token(Token = "0x4006A65")]
		private static readonly IDictionary digestLengths;

		// Token: 0x04006A66 RID: 27238
		[Token(Token = "0x4006A66")]
		private static readonly IDictionary digestNames;
	}
}