using System;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Security
{
	// Token: 0x02001A92 RID: 6802
	[Token(Token = "0x2001A92")]
	public sealed class PublicKeyFactory
	{
		// Token: 0x0600A0FC RID: 41212 RVA: 0x00218510 File Offset: 0x00216710
		[Token(Token = "0x600A0FC")]
		[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
		private PublicKeyFactory()
		{
		}

		// Token: 0x0600A0FD RID: 41213 RVA: 0x00218524 File Offset: 0x00216724
		[Token(Token = "0x600A0FD")]
		[Address(RVA = "0x5E72A0", Offset = "0x5E62A0", VA = "0x1805E72A0")]
		public static AsymmetricKeyParameter CreateKey(byte[] keyInfoData)
		{
			return PublicKeyFactory.CreateKey(SubjectPublicKeyInfo.GetInstance(Asn1Object.FromByteArray(keyInfoData)));
		}

		// Token: 0x0600A0FE RID: 41214 RVA: 0x00218544 File Offset: 0x00216744
		[Token(Token = "0x600A0FE")]
		[Address(RVA = "0x5E5E00", Offset = "0x5E4E00", VA = "0x1805E5E00")]
		public static AsymmetricKeyParameter CreateKey(Stream inStr)
		{
			return PublicKeyFactory.CreateKey(SubjectPublicKeyInfo.GetInstance(Asn1Object.FromStream(inStr)));
		}

		// Token: 0x0600A0FF RID: 41215 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x600A0FF")]
		[Address(RVA = "0x5E5E30", Offset = "0x5E4E30", VA = "0x1805E5E30")]
		public static AsymmetricKeyParameter CreateKey(SubjectPublicKeyInfo keyInfo)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x0600A100 RID: 41216 RVA: 0x00218564 File Offset: 0x00216764
		[Token(Token = "0x600A100")]
		[Address(RVA = "0x5E72D0", Offset = "0x5E62D0", VA = "0x1805E72D0")]
		private static byte[] GetRawKey(SubjectPublicKeyInfo keyInfo, int expectedSize)
		{
			/*
An exception occurred when decompiling this method (0600A100)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Security.PublicKeyFactory::GetRawKey(BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509.SubjectPublicKeyInfo,System.Int32)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stloc:string(var_0_0B, callvirt:string(DerBitString::GetString, ldfld:DerBitString(SubjectPublicKeyInfo::keyData, ldloc:SubjectPublicKeyInfo(keyInfo))))
	stloc:SecurityUtilityException(var_1_16, newobj:SecurityUtilityException(SecurityUtilityException::.ctor, ldstr:string("public key encoding has incorrect length")))
}

   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: 0x0600A101 RID: 41217 RVA: 0x00218588 File Offset: 0x00216788
		[Token(Token = "0x600A101")]
		[Address(RVA = "0x5E7370", Offset = "0x5E6370", VA = "0x1805E7370")]
		private static bool IsPkcsDHParam(Asn1Sequence seq)
		{
			Asn1Encodable asn1Encodable;
			if (asn1Encodable != (ulong)2L)
			{
				Asn1SequenceParser parser = seq.Parser;
				Asn1SequenceParser parser2 = seq.Parser;
				DerInteger derInteger;
				BigInteger value = derInteger.Value;
				DerInteger derInteger2;
				BigInteger bigInteger = BigInteger.ValueOf((long)derInteger2.Value.BitLength);
				return value.CompareTo(bigInteger) <= 0;
			}
			return true;
		}

		// Token: 0x0600A102 RID: 41218 RVA: 0x002185E0 File Offset: 0x002167E0
		[Token(Token = "0x600A102")]
		[Address(RVA = "0x5E74E0", Offset = "0x5E64E0", VA = "0x1805E74E0")]
		private static DHPublicKeyParameters ReadPkcsDHParam(DerObjectIdentifier algOid, BigInteger y, Asn1Sequence seq)
		{
			DHParameter dhparameter = new DHParameter(seq);
			BigInteger l = dhparameter.L;
			if (l == 0)
			{
			}
			int intValue = l.IntValue;
			BigInteger p = dhparameter.P;
			BigInteger g = dhparameter.G;
			int num;
			DHParameters dhparameters = new DHParameters(p, g, num, intValue);
			num = 0;
			return new DHPublicKeyParameters(y, dhparameters, algOid);
		}
	}
}