27Aug2021-Cpp2IL-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Tls/TlsRsaKeyExchange.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.Security;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x02001C6A RID: 7274
	[Token(Token = "0x2001C6A")]
	public class TlsRsaKeyExchange : AbstractTlsKeyExchange
	{
		// Token: 0x0600B36F RID: 45935 RVA: 0x0026BF64 File Offset: 0x0026A164
		[Token(Token = "0x600B36F")]
		[Address(RVA = "0x4602B0", Offset = "0x45F2B0", VA = "0x1804602B0")]
		public TlsRsaKeyExchange(IList supportedSignatureAlgorithms)
			: base(1, supportedSignatureAlgorithms)
		{
		}

		// Token: 0x0600B370 RID: 45936 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x600B370")]
		[Address(RVA = "0x460120", Offset = "0x45F120", VA = "0x180460120", Slot = "21")]
		public override void SkipServerCredentials()
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x0600B371 RID: 45937 RVA: 0x0026BF7C File Offset: 0x0026A17C
		[Token(Token = "0x600B371")]
		[Address(RVA = "0x460040", Offset = "0x45F040", VA = "0x180460040", Slot = "23")]
		public override void ProcessServerCredentials(TlsCredentials serverCredentials)
		{
			this.SkipServerCredentials();
		}

		// Token: 0x0600B372 RID: 45938 RVA: 0x0026BF90 File Offset: 0x0026A190
		[Token(Token = "0x600B372")]
		[Address(RVA = "0x45FE30", Offset = "0x45EE30", VA = "0x18045FE30", 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: 0x0600B373 RID: 45939 RVA: 0x0026BFF8 File Offset: 0x0026A1F8
		[Token(Token = "0x600B373")]
		[Address(RVA = "0x460170", Offset = "0x45F170", VA = "0x180460170", 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: 0x0600B374 RID: 45940 RVA: 0x0026C020 File Offset: 0x0026A220
		[Token(Token = "0x600B374")]
		[Address(RVA = "0x45FCB0", Offset = "0x45ECB0", VA = "0x18045FCB0", Slot = "30")]
		public override void ProcessClientCredentials(TlsCredentials clientCredentials)
		{
		}

		// Token: 0x0600B375 RID: 45941 RVA: 0x0026C030 File Offset: 0x0026A230
		[Token(Token = "0x600B375")]
		[Address(RVA = "0x45FC10", Offset = "0x45EC10", VA = "0x18045FC10", Slot = "32")]
		public override void GenerateClientKeyExchange(Stream output)
		{
			RsaKeyParameters rsaKeyParameters = this.mRsaServerPublicKey;
			byte[] array = TlsRsaUtilities.GenerateEncryptedPreMasterSecret(this.mContext, rsaKeyParameters, output);
			this.mPremasterSecret = array;
		}

		// Token: 0x0600B376 RID: 45942 RVA: 0x0026C05C File Offset: 0x0026A25C
		[Token(Token = "0x600B376")]
		[Address(RVA = "0x45FD20", Offset = "0x45ED20", VA = "0x18045FD20", 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: 0x0600B377 RID: 45943 RVA: 0x0026C098 File Offset: 0x0026A298
		[Token(Token = "0x600B377")]
		[Address(RVA = "0x45FC40", Offset = "0x45EC40", VA = "0x18045FC40", Slot = "34")]
		public override byte[] GeneratePremasterSecret()
		{
			byte[] array;
			do
			{
				array = this.mPremasterSecret;
			}
			while (array == 0);
			this.mPremasterSecret = (ulong)0L;
			return array;
		}

		// Token: 0x0600B378 RID: 45944 RVA: 0x0026C0BC File Offset: 0x0026A2BC
		[Token(Token = "0x600B378")]
		[Address(RVA = "0x460230", Offset = "0x45F230", VA = "0x180460230", Slot = "35")]
		protected virtual RsaKeyParameters ValidateRsaPublicKey(RsaKeyParameters key)
		{
			while (!key.exponent.IsProbablePrime(2))
			{
			}
			return key;
		}

		// Token: 0x04007221 RID: 29217
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007221")]
		protected AsymmetricKeyParameter mServerPublicKey;

		// Token: 0x04007222 RID: 29218
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007222")]
		protected RsaKeyParameters mRsaServerPublicKey;

		// Token: 0x04007223 RID: 29219
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4007223")]
		protected TlsEncryptionCredentials mServerCredentials;

		// Token: 0x04007224 RID: 29220
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4007224")]
		protected byte[] mPremasterSecret;
	}
}