Jan2021-Cpp2Il-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Tls/TlsRsaKeyExchange.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.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x020015AD RID: 5549
	[Token(Token = "0x20015AD")]
	[StructLayout(3)]
	public class TlsRsaKeyExchange : AbstractTlsKeyExchange
	{
		// Token: 0x060093C7 RID: 37831 RVA: 0x0020B684 File Offset: 0x00209884
		[Token(Token = "0x60093C7")]
		[Address(RVA = "0x1E04810", Offset = "0x1E03210", VA = "0x181E04810")]
		public TlsRsaKeyExchange(IList supportedSignatureAlgorithms)
			: base(1, supportedSignatureAlgorithms)
		{
		}

		// Token: 0x060093C8 RID: 37832 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x60093C8")]
		[Address(RVA = "0x1E04680", Offset = "0x1E03080", VA = "0x181E04680", Slot = "21")]
		public override void SkipServerCredentials()
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x060093C9 RID: 37833 RVA: 0x0020B69C File Offset: 0x0020989C
		[Token(Token = "0x60093C9")]
		[Address(RVA = "0x1E045A0", Offset = "0x1E02FA0", VA = "0x181E045A0", Slot = "23")]
		public override void ProcessServerCredentials(TlsCredentials serverCredentials)
		{
			this.SkipServerCredentials();
		}

		// Token: 0x060093CA RID: 37834 RVA: 0x0020B6B0 File Offset: 0x002098B0
		[Token(Token = "0x60093CA")]
		[Address(RVA = "0x1E04390", Offset = "0x1E02D90", VA = "0x181E04390", Slot = "22")]
		public override void ProcessServerCertificate(Certificate serverCertificate)
		{
			X509CertificateStructure[] certificateList;
			for (;;)
			{
				if (serverCertificate.Length == 0)
				{
					certificateList = serverCertificate.GetCertificateList();
					AsymmetricKeyParameter asymmetricKeyParameter = PublicKeyFactory.CreateKey(certificateList.SubjectPublicKeyInfo);
					this.mServerPublicKey = asymmetricKeyParameter;
					if (!asymmetricKeyParameter.privateKey)
					{
						if (asymmetricKeyParameter == 0)
						{
						}
						if (asymmetricKeyParameter != 0)
						{
							break;
						}
					}
				}
			}
			byte[] array = this.GeneratePremasterSecret();
			this.mRsaServerPublicKey = array;
			TlsUtilities.ValidateKeyUsage(certificateList, 32);
			base..ctor();
		}

		// Token: 0x060093CB RID: 37835 RVA: 0x0020B718 File Offset: 0x00209918
		[Token(Token = "0x60093CB")]
		[Address(RVA = "0x1E046D0", Offset = "0x1E030D0", VA = "0x181E046D0", Slot = "28")]
		public override void ValidateCertificateRequest(CertificateRequest certificateRequest)
		{
			int num;
			do
			{
				string text = certificateRequest.ToString();
				num = 0;
			}
			while (18446744073709551615UL > (ulong)1L && num != 64);
			num++;
		}

		// Token: 0x060093CC RID: 37836 RVA: 0x0020B740 File Offset: 0x00209940
		[Token(Token = "0x60093CC")]
		[Address(RVA = "0x1E04210", Offset = "0x1E02C10", VA = "0x181E04210", Slot = "30")]
		public override void ProcessClientCredentials(TlsCredentials clientCredentials)
		{
		}

		// Token: 0x060093CD RID: 37837 RVA: 0x0020B750 File Offset: 0x00209950
		[Token(Token = "0x60093CD")]
		[Address(RVA = "0x1E04170", Offset = "0x1E02B70", VA = "0x181E04170", Slot = "32")]
		public override void GenerateClientKeyExchange(Stream output)
		{
			RsaKeyParameters rsaKeyParameters = this.mRsaServerPublicKey;
			byte[] array = TlsRsaUtilities.GenerateEncryptedPreMasterSecret(this.mContext, rsaKeyParameters, output);
			this.mPremasterSecret = array;
		}

		// Token: 0x060093CE RID: 37838 RVA: 0x0020B77C File Offset: 0x0020997C
		[Token(Token = "0x60093CE")]
		[Address(RVA = "0x1E04280", Offset = "0x1E02C80", VA = "0x181E04280", Slot = "33")]
		public override void ProcessClientKeyExchange(Stream input)
		{
			TlsContext mContext = this.mContext;
			bool flag;
			if (!flag)
			{
				byte[] array = TlsUtilities.ReadOpaque16(input);
			}
			byte[] array2 = Streams.ReadAll(input);
			TlsEncryptionCredentials tlsEncryptionCredentials = this.mServerCredentials;
			this.mPremasterSecret = array2;
		}

		// Token: 0x060093CF RID: 37839 RVA: 0x0020B7B8 File Offset: 0x002099B8
		[Token(Token = "0x60093CF")]
		[Address(RVA = "0x1E041A0", Offset = "0x1E02BA0", VA = "0x181E041A0", Slot = "34")]
		public override byte[] GeneratePremasterSecret()
		{
			byte[] array;
			do
			{
				array = this.mPremasterSecret;
			}
			while (array == 0);
			this.mPremasterSecret = (ulong)0L;
			return array;
		}

		// Token: 0x060093D0 RID: 37840 RVA: 0x0020B7DC File Offset: 0x002099DC
		[Token(Token = "0x60093D0")]
		[Address(RVA = "0x1E04790", Offset = "0x1E03190", VA = "0x181E04790", Slot = "35")]
		protected virtual RsaKeyParameters ValidateRsaPublicKey(RsaKeyParameters key)
		{
			while (!key.exponent.IsProbablePrime(2))
			{
			}
			return key;
		}

		// Token: 0x04006225 RID: 25125
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006225")]
		protected AsymmetricKeyParameter mServerPublicKey;

		// Token: 0x04006226 RID: 25126
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4006226")]
		protected RsaKeyParameters mRsaServerPublicKey;

		// Token: 0x04006227 RID: 25127
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4006227")]
		protected TlsEncryptionCredentials mServerCredentials;

		// Token: 0x04006228 RID: 25128
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4006228")]
		protected byte[] mPremasterSecret;
	}
}