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

using System;
using System.Collections;
using System.IO;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x0200158F RID: 5519
	[Token(Token = "0x200158F")]
	[StructLayout(3)]
	public class TlsDHKeyExchange : AbstractTlsKeyExchange
	{
		// Token: 0x06009285 RID: 37509 RVA: 0x00207C7C File Offset: 0x00205E7C
		[Token(Token = "0x6009285")]
		[Address(RVA = "0x1E939F0", Offset = "0x1E923F0", VA = "0x181E939F0")]
		[Obsolete]
		public TlsDHKeyExchange(int keyExchange, IList supportedSignatureAlgorithms, DHParameters dhParameters)
		{
			DefaultTlsDHVerifier defaultTlsDHVerifier = new DefaultTlsDHVerifier();
		}

		// Token: 0x06009286 RID: 37510 RVA: 0x00207C90 File Offset: 0x00205E90
		[Token(Token = "0x6009286")]
		[Address(RVA = "0x1E938D0", Offset = "0x1E922D0", VA = "0x181E938D0")]
		public TlsDHKeyExchange(int keyExchange, IList supportedSignatureAlgorithms, TlsDHVerifier dhVerifier, DHParameters dhParameters)
			: base(keyExchange, supportedSignatureAlgorithms)
		{
			TlsDssSigner tlsDssSigner = new TlsDssSigner();
			TlsRsaSigner tlsRsaSigner = new TlsRsaSigner();
			int num = 0;
			this.mTlsSigner = num;
			this.mDHVerifier = dhVerifier;
			this.mDHParameters = 0;
		}

		// Token: 0x06009287 RID: 37511 RVA: 0x00207CD4 File Offset: 0x00205ED4
		[Token(Token = "0x6009287")]
		[Address(RVA = "0x1E93190", Offset = "0x1E91B90", VA = "0x181E93190", Slot = "20")]
		public override void Init(TlsContext context)
		{
			base.Init(context);
			if (this.mTlsSigner != 0)
			{
			}
		}

		// Token: 0x06009288 RID: 37512 RVA: 0x00207CF4 File Offset: 0x00205EF4
		[Token(Token = "0x6009288")]
		[Address(RVA = "0x1E93770", Offset = "0x1E92170", VA = "0x181E93770", Slot = "21")]
		public override void SkipServerCredentials()
		{
		}

		// Token: 0x06009289 RID: 37513 RVA: 0x00207D04 File Offset: 0x00205F04
		[Token(Token = "0x6009289")]
		[Address(RVA = "0x1E93400", Offset = "0x1E91E00", VA = "0x181E93400", Slot = "22")]
		public override void ProcessServerCertificate(Certificate serverCertificate)
		{
			while (serverCertificate.Length != 0)
			{
			}
			X509CertificateStructure[] certificateList = serverCertificate.GetCertificateList();
			AsymmetricKeyParameter asymmetricKeyParameter = PublicKeyFactory.CreateKey(certificateList.SubjectPublicKeyInfo);
			this.mServerPublicKey = asymmetricKeyParameter;
			if (this.mTlsSigner == 0 || asymmetricKeyParameter != 0)
			{
				this.mDHAgreePublicKey = asymmetricKeyParameter;
				this.mDHParameters = asymmetricKeyParameter;
				TlsUtilities.ValidateKeyUsage(certificateList, 8);
				base.ProcessServerCertificate(serverCertificate);
				return;
			}
			throw new NullReferenceException();
		}

		// Token: 0x170017AE RID: 6062
		// (get) Token: 0x0600928A RID: 37514 RVA: 0x00207D68 File Offset: 0x00205F68
		[Token(Token = "0x170017AE")]
		public override bool RequiresServerKeyExchange
		{
			[Token(Token = "0x600928A")]
			[Address(RVA = "0x1E93A90", Offset = "0x1E92490", VA = "0x181E93A90", Slot = "24")]
			get
			{
				if (this.mKeyExchange != 11)
				{
				}
				return true;
			}
		}

		// Token: 0x0600928B RID: 37515 RVA: 0x00207D84 File Offset: 0x00205F84
		[Token(Token = "0x600928B")]
		[Address(RVA = "0x1E93090", Offset = "0x1E91A90", VA = "0x181E93090", Slot = "25")]
		public override byte[] GenerateServerKeyExchange()
		{
			MemoryStream memoryStream = new MemoryStream();
			TlsContext mContext = this.mContext;
			DHPrivateKeyParameters dhprivateKeyParameters;
			this.mDHAgreePrivateKey = dhprivateKeyParameters;
			((IDisposable)memoryStream).Dispose();
			throw new NullReferenceException();
		}

		// Token: 0x0600928C RID: 37516 RVA: 0x00207DB4 File Offset: 0x00205FB4
		[Token(Token = "0x600928C")]
		[Address(RVA = "0x1E93670", Offset = "0x1E92070", VA = "0x181E93670", Slot = "27")]
		public override void ProcessServerKeyExchange(Stream input)
		{
			DHParameters dhparameters = TlsDHUtilities.ReceiveDHParameters(this.mDHVerifier, input);
			this.mDHParameters = dhparameters;
			BigInteger bigInteger = TlsDHUtilities.ReadDHParameter(input);
			DHParameters dhparameters2 = this.mDHParameters;
			DHPublicKeyParameters dhpublicKeyParameters = new DHPublicKeyParameters(bigInteger, dhparameters2);
			this.mDHAgreePublicKey = dhpublicKeyParameters;
		}

		// Token: 0x0600928D RID: 37517 RVA: 0x00207DF4 File Offset: 0x00205FF4
		[Token(Token = "0x600928D")]
		[Address(RVA = "0x1E937D0", Offset = "0x1E921D0", VA = "0x181E937D0", Slot = "28")]
		public override void ValidateCertificateRequest(CertificateRequest certificateRequest)
		{
			int num;
			do
			{
				string text = certificateRequest.ToString();
				num = 0;
			}
			while (18446744073709551615UL > (ulong)3L && num != 64);
			num++;
		}

		// Token: 0x0600928E RID: 37518 RVA: 0x00207E1C File Offset: 0x0020601C
		[Token(Token = "0x600928E")]
		[Address(RVA = "0x1E93250", Offset = "0x1E91C50", VA = "0x181E93250", Slot = "30")]
		public override void ProcessClientCredentials(TlsCredentials clientCredentials)
		{
			if (clientCredentials == 0)
			{
			}
		}

		// Token: 0x0600928F RID: 37519 RVA: 0x00207E30 File Offset: 0x00206030
		[Token(Token = "0x600928F")]
		[Address(RVA = "0x1E92EA0", Offset = "0x1E918A0", VA = "0x181E92EA0", Slot = "32")]
		public override void GenerateClientKeyExchange(Stream output)
		{
			if (this.mAgreementCredentials == (ulong)0L)
			{
				TlsContext mContext = this.mContext;
				DHPrivateKeyParameters dhprivateKeyParameters;
				this.mDHAgreePrivateKey = dhprivateKeyParameters;
			}
		}

		// Token: 0x06009290 RID: 37520 RVA: 0x00207E5C File Offset: 0x0020605C
		[Token(Token = "0x6009290")]
		[Address(RVA = "0x1E931F0", Offset = "0x1E91BF0", VA = "0x181E931F0", Slot = "31")]
		public override void ProcessClientCertificate(Certificate clientCertificate)
		{
		}

		// Token: 0x06009291 RID: 37521 RVA: 0x00207E6C File Offset: 0x0020606C
		[Token(Token = "0x6009291")]
		[Address(RVA = "0x1E93350", Offset = "0x1E91D50", VA = "0x181E93350", Slot = "33")]
		public override void ProcessClientKeyExchange(Stream input)
		{
			if (this.mDHAgreePublicKey == (ulong)0L)
			{
				BigInteger bigInteger = TlsDHUtilities.ReadDHParameter(input);
				DHParameters dhparameters = this.mDHParameters;
				DHPublicKeyParameters dhpublicKeyParameters = new DHPublicKeyParameters(bigInteger, dhparameters);
				this.mDHAgreePublicKey = dhpublicKeyParameters;
			}
		}

		// Token: 0x06009292 RID: 37522 RVA: 0x00207EA4 File Offset: 0x002060A4
		[Token(Token = "0x6009292")]
		[Address(RVA = "0x1E92F50", Offset = "0x1E91950", VA = "0x181E92F50", Slot = "34")]
		public override byte[] GeneratePremasterSecret()
		{
			DHPrivateKeyParameters dhprivateKeyParameters;
			for (;;)
			{
				if (this.mAgreementCredentials == 0)
				{
					dhprivateKeyParameters = this.mDHAgreePrivateKey;
					if (dhprivateKeyParameters != 0)
					{
						break;
					}
				}
			}
			DHBasicAgreement dhbasicAgreement = new DHBasicAgreement();
			BigInteger bigInteger = dhbasicAgreement.CalculateAgreement(dhprivateKeyParameters);
			int fieldSize = dhbasicAgreement.GetFieldSize();
			byte[] array;
			return array;
		}

		// Token: 0x040061B5 RID: 25013
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40061B5")]
		protected TlsSigner mTlsSigner;

		// Token: 0x040061B6 RID: 25014
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40061B6")]
		protected TlsDHVerifier mDHVerifier;

		// Token: 0x040061B7 RID: 25015
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40061B7")]
		protected DHParameters mDHParameters;

		// Token: 0x040061B8 RID: 25016
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x40061B8")]
		protected AsymmetricKeyParameter mServerPublicKey;

		// Token: 0x040061B9 RID: 25017
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
		[Token(Token = "0x40061B9")]
		protected TlsAgreementCredentials mAgreementCredentials;

		// Token: 0x040061BA RID: 25018
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x50")]
		[Token(Token = "0x40061BA")]
		protected DHPrivateKeyParameters mDHAgreePrivateKey;

		// Token: 0x040061BB RID: 25019
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x58")]
		[Token(Token = "0x40061BB")]
		protected DHPublicKeyParameters mDHAgreePublicKey;
	}
}