oh dear

Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Tls/TlsRsaKeyExchange.cs

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+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: 0x02001B8A RID: 7050
+	[Token(Token = "0x2001B8A")]
+	public class TlsRsaKeyExchange : AbstractTlsKeyExchange
+	{
+		// Token: 0x0600AFA1 RID: 44961 RVA: 0x00262D5C File Offset: 0x00260F5C
+		[Token(Token = "0x600AFA1")]
+		[Address(RVA = "0x19918B0", Offset = "0x19906B0", VA = "0x1819918B0")]
+		public TlsRsaKeyExchange(IList supportedSignatureAlgorithms)
+			: base(1, supportedSignatureAlgorithms)
+		{
+		}
+
+		// Token: 0x0600AFA2 RID: 44962 RVA: 0x0000220F File Offset: 0x0000040F
+		[Token(Token = "0x600AFA2")]
+		[Address(RVA = "0x1991720", Offset = "0x1990520", VA = "0x181991720", Slot = "21")]
+		public override void SkipServerCredentials()
+		{
+			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
+		}
+
+		// Token: 0x0600AFA3 RID: 44963 RVA: 0x00262D74 File Offset: 0x00260F74
+		[Token(Token = "0x600AFA3")]
+		[Address(RVA = "0x1991640", Offset = "0x1990440", VA = "0x181991640", Slot = "23")]
+		public override void ProcessServerCredentials(TlsCredentials serverCredentials)
+		{
+			this.SkipServerCredentials();
+		}
+
+		// Token: 0x0600AFA4 RID: 44964 RVA: 0x00262D88 File Offset: 0x00260F88
+		[Token(Token = "0x600AFA4")]
+		[Address(RVA = "0x1991430", Offset = "0x1990230", VA = "0x181991430", 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: 0x0600AFA5 RID: 44965 RVA: 0x00262DF0 File Offset: 0x00260FF0
+		[Token(Token = "0x600AFA5")]
+		[Address(RVA = "0x1991770", Offset = "0x1990570", VA = "0x181991770", 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: 0x0600AFA6 RID: 44966 RVA: 0x00262E18 File Offset: 0x00261018
+		[Token(Token = "0x600AFA6")]
+		[Address(RVA = "0x19912F0", Offset = "0x19900F0", VA = "0x1819912F0", Slot = "30")]
+		public override void ProcessClientCredentials(TlsCredentials clientCredentials)
+		{
+		}
+
+		// Token: 0x0600AFA7 RID: 44967 RVA: 0x00262E28 File Offset: 0x00261028
+		[Token(Token = "0x600AFA7")]
+		[Address(RVA = "0x1991250", Offset = "0x1990050", VA = "0x181991250", Slot = "32")]
+		public override void GenerateClientKeyExchange(Stream output)
+		{
+			RsaKeyParameters rsaKeyParameters = this.mRsaServerPublicKey;
+			byte[] array = TlsRsaUtilities.GenerateEncryptedPreMasterSecret(this.mContext, rsaKeyParameters, output);
+			this.mPremasterSecret = array;
+		}
+
+		// Token: 0x0600AFA8 RID: 44968 RVA: 0x00262E54 File Offset: 0x00261054
+		[Token(Token = "0x600AFA8")]
+		[Address(RVA = "0x1991360", Offset = "0x1990160", VA = "0x181991360", Slot = "33")]
+		public override void ProcessClientKeyExchange(Stream input)
+		{
+			if (!TlsUtilities.IsSsl(this.mContext))
+			{
+				byte[] array = TlsUtilities.ReadOpaque16(input);
+			}
+			byte[] array2 = Streams.ReadAll(input);
+			TlsEncryptionCredentials tlsEncryptionCredentials = this.mServerCredentials;
+			this.mPremasterSecret = array2;
+		}
+
+		// Token: 0x0600AFA9 RID: 44969 RVA: 0x00262E94 File Offset: 0x00261094
+		[Token(Token = "0x600AFA9")]
+		[Address(RVA = "0x1991280", Offset = "0x1990080", VA = "0x181991280", Slot = "34")]
+		public override byte[] GeneratePremasterSecret()
+		{
+			byte[] array;
+			do
+			{
+				array = this.mPremasterSecret;
+			}
+			while (array == 0);
+			this.mPremasterSecret = (ulong)0L;
+			return array;
+		}
+
+		// Token: 0x0600AFAA RID: 44970 RVA: 0x00262EB8 File Offset: 0x002610B8
+		[Token(Token = "0x600AFAA")]
+		[Address(RVA = "0x1991830", Offset = "0x1990630", VA = "0x181991830", Slot = "35")]
+		protected virtual RsaKeyParameters ValidateRsaPublicKey(RsaKeyParameters key)
+		{
+			while (!key.exponent.IsProbablePrime(2))
+			{
+			}
+			return key;
+		}
+
+		// Token: 0x04007068 RID: 28776
+		[FieldOffset(Offset = "0x28")]
+		[Token(Token = "0x4007068")]
+		protected AsymmetricKeyParameter mServerPublicKey;
+
+		// Token: 0x04007069 RID: 28777
+		[FieldOffset(Offset = "0x30")]
+		[Token(Token = "0x4007069")]
+		protected RsaKeyParameters mRsaServerPublicKey;
+
+		// Token: 0x0400706A RID: 28778
+		[FieldOffset(Offset = "0x38")]
+		[Token(Token = "0x400706A")]
+		protected TlsEncryptionCredentials mServerCredentials;
+
+		// Token: 0x0400706B RID: 28779
+		[FieldOffset(Offset = "0x40")]
+		[Token(Token = "0x400706B")]
+		protected byte[] mPremasterSecret;
+	}
+}