Jan2021-Cpp2Il-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Tls/TlsDheKeyExchange.cs

using System;
using System.Collections;
using System.IO;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x02001594 RID: 5524
	[Token(Token = "0x2001594")]
	[StructLayout(3)]
	public class TlsDheKeyExchange : TlsDHKeyExchange
	{
		// Token: 0x060092B3 RID: 37555 RVA: 0x002084F8 File Offset: 0x002066F8
		[Token(Token = "0x60092B3")]
		[Address(RVA = "0x1E95D90", Offset = "0x1E94790", VA = "0x181E95D90")]
		[Obsolete]
		public TlsDheKeyExchange(int keyExchange, IList supportedSignatureAlgorithms, DHParameters dhParameters)
		{
			DefaultTlsDHVerifier defaultTlsDHVerifier = new DefaultTlsDHVerifier();
			base..ctor(keyExchange, supportedSignatureAlgorithms, defaultTlsDHVerifier, dhParameters);
		}

		// Token: 0x060092B4 RID: 37556 RVA: 0x00208518 File Offset: 0x00206718
		[Token(Token = "0x60092B4")]
		[Address(RVA = "0x1E95E30", Offset = "0x1E94830", VA = "0x181E95E30")]
		public TlsDheKeyExchange(int keyExchange, IList supportedSignatureAlgorithms, TlsDHVerifier dhVerifier, DHParameters dhParameters)
		{
		}

		// Token: 0x060092B5 RID: 37557 RVA: 0x00208528 File Offset: 0x00206728
		[Token(Token = "0x60092B5")]
		[Address(RVA = "0x1E95A70", Offset = "0x1E94470", VA = "0x181E95A70", Slot = "23")]
		public override void ProcessServerCredentials(TlsCredentials serverCredentials)
		{
			this.SkipServerCredentials();
		}

		// Token: 0x060092B6 RID: 37558 RVA: 0x0020853C File Offset: 0x0020673C
		[Token(Token = "0x60092B6")]
		[Address(RVA = "0x1E95700", Offset = "0x1E94100", VA = "0x181E95700", Slot = "25")]
		public override byte[] GenerateServerKeyExchange()
		{
			/*
An exception occurred when decompiling this method (060092B6)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsDheKeyExchange::GenerateServerKeyExchange()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stloc:DigestInputBuffer(var_0_05, newobj:DigestInputBuffer(DigestInputBuffer::.ctor))
	stloc:TlsContext(var_1_0C, ldfld:TlsContext(AbstractTlsKeyExchange::mContext, ldloc:TlsDheKeyExchange[exp:AbstractTlsKeyExchange](this)))
	stloc:TlsContext(var_4_15, ldfld:TlsContext(AbstractTlsKeyExchange::mContext, ldloc:TlsDheKeyExchange[exp:AbstractTlsKeyExchange](this)))
	stloc:TlsSignerCredentials(var_5_1D, ldfld:TlsSignerCredentials(TlsDheKeyExchange::mServerCredentials, ldloc:TlsDheKeyExchange(this)))
	stfld:DHPrivateKeyParameters(TlsDHKeyExchange::mDHAgreePrivateKey, ldloc:TlsDheKeyExchange[exp:TlsDHKeyExchange](this), ldloc:DHPrivateKeyParameters(var_3))
	stloc:SignatureAndHashAlgorithm(var_6_2F, call:SignatureAndHashAlgorithm(TlsUtilities::GetSignatureAndHashAlgorithm, ldloc:TlsContext(var_4_15), ldloc:TlsSignerCredentials(var_5_1D)))
	stloc:IDigest(var_7_38, call:IDigest(TlsUtilities::CreateHash, ldloc:SignatureAndHashAlgorithm(var_6_2F)))
	stloc:TlsContext(var_8_40, ldfld:TlsContext(AbstractTlsKeyExchange::mContext, ldloc:TlsDheKeyExchange[exp:AbstractTlsKeyExchange](this)))
	call:void(DigestInputBuffer::UpdateDigest, ldloc:DigestInputBuffer(var_0_05), ldloc:IDigest(var_7_38))
	stloc:uint8[](var_12_51, call:uint8[](DigestUtilities::DoFinal, ldloc:IDigest(var_7_38)))
	stloc:TlsSignerCredentials(var_13_59, ldfld:TlsSignerCredentials(TlsDheKeyExchange::mServerCredentials, ldloc:TlsDheKeyExchange(this)))
	stloc:uint8[](var_14_69, callvirtgetter:uint8[](DigitallySigned::get_Signature, newobj:DigitallySigned(DigitallySigned::.ctor, ldloc:SignatureAndHashAlgorithm(var_6_2F), ldloc:uint8[](var_12_51))))
	call:void(IDisposable::Dispose, ldloc:DigestInputBuffer[exp:IDisposable](var_0_05))
}

   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: 0x060092B7 RID: 37559 RVA: 0x002085BC File Offset: 0x002067BC
		[Token(Token = "0x60092B7")]
		[Address(RVA = "0x1E95B50", Offset = "0x1E94550", VA = "0x181E95B50", Slot = "27")]
		public override void ProcessServerKeyExchange(Stream input)
		{
			int num;
			do
			{
				TlsContext mContext = this.mContext;
				SignerInputBuffer signerInputBuffer = new SignerInputBuffer();
				TeeInputStream teeInputStream = new TeeInputStream(input, signerInputBuffer);
				DHParameters dhparameters = TlsDHUtilities.ReceiveDHParameters(this.mDHVerifier, teeInputStream);
				this.mDHParameters = dhparameters;
				BigInteger bigInteger = TlsDHUtilities.ReadDHParameter(teeInputStream);
				DHParameters mDHParameters = this.mDHParameters;
				DHPublicKeyParameters dhpublicKeyParameters = new DHPublicKeyParameters(bigInteger, mDHParameters);
				this.mDHAgreePublicKey = dhpublicKeyParameters;
				string text = this.GeneratePremasterSecret().ToString();
				byte[] array = this.GeneratePremasterSecret();
				SignerInputBuffer.SigStream sigStream;
				sigStream.s = array;
				Streams.WriteBufTo(signerInputBuffer, sigStream);
			}
			while (num == 0);
		}

		// Token: 0x060092B8 RID: 37560 RVA: 0x00208640 File Offset: 0x00206840
		[Token(Token = "0x60092B8")]
		[Address(RVA = "0x1E95990", Offset = "0x1E94390", VA = "0x181E95990", Slot = "35")]
		protected virtual ISigner InitVerifyer(TlsSigner tlsSigner, SignatureAndHashAlgorithm algorithm, SecurityParameters securityParameters)
		{
			AsymmetricKeyParameter mServerPublicKey = this.mServerPublicKey;
			int length = securityParameters.clientRandom.Length;
			int length2 = securityParameters.serverRandom.Length;
			throw new NullReferenceException();
		}

		// Token: 0x040061CD RID: 25037
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x60")]
		[Token(Token = "0x40061CD")]
		protected TlsSignerCredentials mServerCredentials;
	}
}