Apr2020-Cpp2Il-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Tls/TlsDHKeyExchange.cs

using System;
using System.Collections;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
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: 0x02001B6C RID: 7020
	[Token(Token = "0x2001B6C")]
	public class TlsDHKeyExchange : AbstractTlsKeyExchange
	{
		// Token: 0x0600AE5F RID: 44639 RVA: 0x0025F364 File Offset: 0x0025D564
		[Token(Token = "0x600AE5F")]
		[Address(RVA = "0x1982040", Offset = "0x1980E40", VA = "0x181982040")]
		[Obsolete]
		public TlsDHKeyExchange(int keyExchange, IList supportedSignatureAlgorithms, DHParameters dhParameters)
		{
			DefaultTlsDHVerifier defaultTlsDHVerifier = new DefaultTlsDHVerifier();
		}

		// Token: 0x0600AE60 RID: 44640 RVA: 0x0025F378 File Offset: 0x0025D578
		[Token(Token = "0x600AE60")]
		[Address(RVA = "0x1981F20", Offset = "0x1980D20", VA = "0x181981F20")]
		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: 0x0600AE61 RID: 44641 RVA: 0x0025F3BC File Offset: 0x0025D5BC
		[Token(Token = "0x600AE61")]
		[Address(RVA = "0x19817E0", Offset = "0x19805E0", VA = "0x1819817E0", Slot = "20")]
		public override void Init(TlsContext context)
		{
			base.Init(context);
			if (this.mTlsSigner != 0)
			{
			}
		}

		// Token: 0x0600AE62 RID: 44642 RVA: 0x0025F3DC File Offset: 0x0025D5DC
		[Token(Token = "0x600AE62")]
		[Address(RVA = "0x1981DC0", Offset = "0x1980BC0", VA = "0x181981DC0", Slot = "21")]
		public override void SkipServerCredentials()
		{
		}

		// Token: 0x0600AE63 RID: 44643 RVA: 0x0025F3EC File Offset: 0x0025D5EC
		[Token(Token = "0x600AE63")]
		[Address(RVA = "0x1981A50", Offset = "0x1980850", VA = "0x181981A50", 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: 0x17001BAF RID: 7087
		// (get) Token: 0x0600AE64 RID: 44644 RVA: 0x0025F450 File Offset: 0x0025D650
		[Token(Token = "0x17001BAF")]
		public override bool RequiresServerKeyExchange
		{
			[Token(Token = "0x600AE64")]
			[Address(RVA = "0x19820E0", Offset = "0x1980EE0", VA = "0x1819820E0", Slot = "24")]
			get
			{
				if (this.mKeyExchange != 11)
				{
				}
				return true;
			}
		}

		// Token: 0x0600AE65 RID: 44645 RVA: 0x0025F46C File Offset: 0x0025D66C
		[Token(Token = "0x600AE65")]
		[Address(RVA = "0x19816E0", Offset = "0x19804E0", VA = "0x1819816E0", 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: 0x0600AE66 RID: 44646 RVA: 0x0025F49C File Offset: 0x0025D69C
		[Token(Token = "0x600AE66")]
		[Address(RVA = "0x1981CC0", Offset = "0x1980AC0", VA = "0x181981CC0", 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: 0x0600AE67 RID: 44647 RVA: 0x0025F4DC File Offset: 0x0025D6DC
		[Token(Token = "0x600AE67")]
		[Address(RVA = "0x1981E20", Offset = "0x1980C20", VA = "0x181981E20", 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: 0x0600AE68 RID: 44648 RVA: 0x0025F504 File Offset: 0x0025D704
		[Token(Token = "0x600AE68")]
		[Address(RVA = "0x19818A0", Offset = "0x19806A0", VA = "0x1819818A0", Slot = "30")]
		public override void ProcessClientCredentials(TlsCredentials clientCredentials)
		{
			if (clientCredentials == 0)
			{
			}
		}

		// Token: 0x0600AE69 RID: 44649 RVA: 0x0025F518 File Offset: 0x0025D718
		[Token(Token = "0x600AE69")]
		[Address(RVA = "0x1981570", Offset = "0x1980370", VA = "0x181981570", Slot = "32")]
		public override void GenerateClientKeyExchange(Stream output)
		{
			if (this.mAgreementCredentials == (ulong)0L)
			{
				TlsContext mContext = this.mContext;
				DHPrivateKeyParameters dhprivateKeyParameters;
				this.mDHAgreePrivateKey = dhprivateKeyParameters;
			}
		}

		// Token: 0x0600AE6A RID: 44650 RVA: 0x0025F544 File Offset: 0x0025D744
		[Token(Token = "0x600AE6A")]
		[Address(RVA = "0x1981840", Offset = "0x1980640", VA = "0x181981840", Slot = "31")]
		public override void ProcessClientCertificate(Certificate clientCertificate)
		{
		}

		// Token: 0x0600AE6B RID: 44651 RVA: 0x0025F554 File Offset: 0x0025D754
		[Token(Token = "0x600AE6B")]
		[Address(RVA = "0x19819A0", Offset = "0x19807A0", VA = "0x1819819A0", 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: 0x0600AE6C RID: 44652 RVA: 0x0025F58C File Offset: 0x0025D78C
		[Token(Token = "0x600AE6C")]
		[Address(RVA = "0x1981620", Offset = "0x1980420", VA = "0x181981620", Slot = "34")]
		public override byte[] GeneratePremasterSecret()
		{
			DHPrivateKeyParameters dhprivateKeyParameters;
			for (;;)
			{
				if (this.mAgreementCredentials == 0)
				{
					dhprivateKeyParameters = this.mDHAgreePrivateKey;
					if (dhprivateKeyParameters != 0)
					{
						break;
					}
				}
			}
			return TlsDHUtilities.CalculateDHBasicAgreement(this.mDHAgreePublicKey, dhprivateKeyParameters);
		}

		// Token: 0x04006FF8 RID: 28664
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006FF8")]
		protected TlsSigner mTlsSigner;

		// Token: 0x04006FF9 RID: 28665
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4006FF9")]
		protected TlsDHVerifier mDHVerifier;

		// Token: 0x04006FFA RID: 28666
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4006FFA")]
		protected DHParameters mDHParameters;

		// Token: 0x04006FFB RID: 28667
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4006FFB")]
		protected AsymmetricKeyParameter mServerPublicKey;

		// Token: 0x04006FFC RID: 28668
		[FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4006FFC")]
		protected TlsAgreementCredentials mAgreementCredentials;

		// Token: 0x04006FFD RID: 28669
		[FieldOffset(Offset = "0x50")]
		[Token(Token = "0x4006FFD")]
		protected DHPrivateKeyParameters mDHAgreePrivateKey;

		// Token: 0x04006FFE RID: 28670
		[FieldOffset(Offset = "0x58")]
		[Token(Token = "0x4006FFE")]
		protected DHPublicKeyParameters mDHAgreePublicKey;
	}
}