using System; using System.Collections; using System.IO; 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: 0x02001C54 RID: 7252 [Token(Token = "0x2001C54")] public class TlsECDHKeyExchange : AbstractTlsKeyExchange { // Token: 0x0600B26E RID: 45678 RVA: 0x00268FD4 File Offset: 0x002671D4 [Token(Token = "0x600B26E")] [Address(RVA = "0x4A38E0", Offset = "0x4A28E0", VA = "0x1804A38E0")] public TlsECDHKeyExchange(int keyExchange, IList supportedSignatureAlgorithms, int[] namedCurves, byte[] clientECPointFormats, byte[] serverECPointFormats) { /* An exception occurred when decompiling this method (0600B26E) ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsECDHKeyExchange::.ctor(System.Int32,System.Collections.IList,System.Int32[],System.Byte[],System.Byte[]) ---> System.Exception: Basic block has to end with unconditional control flow. { IL_49: stloc:InvalidOperationException(var_3_53, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("unsupported key exchange algorithm"))) } at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88 --- End of inner exception stack trace --- at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92 at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663 */; } // Token: 0x0600B26F RID: 45679 RVA: 0x00269034 File Offset: 0x00267234 [Token(Token = "0x600B26F")] [Address(RVA = "0x4A3160", Offset = "0x4A2160", VA = "0x1804A3160", Slot = "20")] public override void Init(TlsContext context) { base.Init(context); if (this.mTlsSigner != 0) { } } // Token: 0x0600B270 RID: 45680 RVA: 0x00269054 File Offset: 0x00267254 [Token(Token = "0x600B270")] [Address(RVA = "0x4A3770", Offset = "0x4A2770", VA = "0x1804A3770", Slot = "21")] public override void SkipServerCredentials() { } // Token: 0x0600B271 RID: 45681 RVA: 0x00269064 File Offset: 0x00267264 [Token(Token = "0x600B271")] [Address(RVA = "0x4A33F0", Offset = "0x4A23F0", VA = "0x1804A33F0", Slot = "22")] public override void ProcessServerCertificate(Certificate serverCertificate) { X509CertificateStructure[] certificateList; AsymmetricKeyParameter asymmetricKeyParameter; for (;;) { if (serverCertificate.Length == 0) { certificateList = serverCertificate.GetCertificateList(); asymmetricKeyParameter = PublicKeyFactory.CreateKey(certificateList.SubjectPublicKeyInfo); this.mServerPublicKey = asymmetricKeyParameter; if (this.mTlsSigner == 0 || asymmetricKeyParameter != 0) { break; } } } this.mECAgreePublicKey = asymmetricKeyParameter; TlsUtilities.ValidateKeyUsage(certificateList, 8); base.ProcessServerCertificate(serverCertificate); } // Token: 0x17001C4F RID: 7247 // (get) Token: 0x0600B272 RID: 45682 RVA: 0x002690B8 File Offset: 0x002672B8 [Token(Token = "0x17001C4F")] public override bool RequiresServerKeyExchange { [Token(Token = "0x600B272")] [Address(RVA = "0x4A39E0", Offset = "0x4A29E0", VA = "0x1804A39E0", Slot = "24")] get { for (;;) { int num = this.mKeyExchange; if (num != 17) { num += -19; if (num > 1) { return; } } } } } // Token: 0x0600B273 RID: 45683 RVA: 0x002690DC File Offset: 0x002672DC [Token(Token = "0x600B273")] [Address(RVA = "0x4A3040", Offset = "0x4A2040", VA = "0x1804A3040", Slot = "25")] public override byte[] GenerateServerKeyExchange() { MemoryStream memoryStream = new MemoryStream(); TlsContext mContext = this.mContext; ECPrivateKeyParameters ecprivateKeyParameters; this.mECAgreePrivateKey = ecprivateKeyParameters; ((IDisposable)memoryStream).Dispose(); throw new NullReferenceException(); } // Token: 0x0600B274 RID: 45684 RVA: 0x0026910C File Offset: 0x0026730C [Token(Token = "0x600B274")] [Address(RVA = "0x4A3660", Offset = "0x4A2660", VA = "0x1804A3660", Slot = "27")] public override void ProcessServerKeyExchange(Stream input) { int[] array = this.mNamedCurves; byte[] array2 = this.mClientECPointFormats; ECDomainParameters ecdomainParameters = TlsEccUtilities.ReadECParameters(array, array2, input); byte[] array3 = TlsUtilities.ReadOpaque8(input); ECPublicKeyParameters ecpublicKeyParameters = TlsEccUtilities.DeserializeECPublicKey(this.mClientECPointFormats, ecdomainParameters, array3); this.mECAgreePublicKey = ecpublicKeyParameters; } // Token: 0x0600B275 RID: 45685 RVA: 0x00269150 File Offset: 0x00267350 [Token(Token = "0x600B275")] [Address(RVA = "0x4A37D0", Offset = "0x4A27D0", VA = "0x1804A37D0", Slot = "28")] public override void ValidateCertificateRequest(CertificateRequest certificateRequest) { int num; do { string text = certificateRequest.ToString(); num = 0; } while (18446744073709551615UL > (ulong)1L && 18446744073709551552UL > (ulong)2L); num++; } // Token: 0x0600B276 RID: 45686 RVA: 0x00269178 File Offset: 0x00267378 [Token(Token = "0x600B276")] [Address(RVA = "0x4A3220", Offset = "0x4A2220", VA = "0x1804A3220", Slot = "30")] public override void ProcessClientCredentials(TlsCredentials clientCredentials) { if (clientCredentials == 0) { } } // Token: 0x0600B277 RID: 45687 RVA: 0x0026918C File Offset: 0x0026738C [Token(Token = "0x600B277")] [Address(RVA = "0x4A2E00", Offset = "0x4A1E00", VA = "0x1804A2E00", Slot = "32")] public override void GenerateClientKeyExchange(Stream output) { if (this.mAgreementCredentials == (ulong)0L) { TlsContext mContext = this.mContext; ECPublicKeyParameters ecpublicKeyParameters = this.mECAgreePublicKey; ECPrivateKeyParameters ecprivateKeyParameters; this.mECAgreePrivateKey = ecprivateKeyParameters; } } // Token: 0x0600B278 RID: 45688 RVA: 0x002691C0 File Offset: 0x002673C0 [Token(Token = "0x600B278")] [Address(RVA = "0x4A31C0", Offset = "0x4A21C0", VA = "0x1804A31C0", Slot = "31")] public override void ProcessClientCertificate(Certificate clientCertificate) { } // Token: 0x0600B279 RID: 45689 RVA: 0x002691D0 File Offset: 0x002673D0 [Token(Token = "0x600B279")] [Address(RVA = "0x4A3320", Offset = "0x4A2320", VA = "0x1804A3320", Slot = "33")] public override void ProcessClientKeyExchange(Stream input) { if (this.mECAgreePublicKey == (ulong)0L) { byte[] array = TlsUtilities.ReadOpaque8(input); ECPrivateKeyParameters ecprivateKeyParameters = this.mECAgreePrivateKey; byte[] array2 = this.mServerECPointFormats; ECDomainParameters parameters = ecprivateKeyParameters.parameters; ECPublicKeyParameters ecpublicKeyParameters = TlsEccUtilities.DeserializeECPublicKey(array2, parameters, array); this.mECAgreePublicKey = ecpublicKeyParameters; } } // Token: 0x0600B27A RID: 45690 RVA: 0x0026921C File Offset: 0x0026741C [Token(Token = "0x600B27A")] [Address(RVA = "0x4A2EE0", Offset = "0x4A1EE0", VA = "0x1804A2EE0", Slot = "34")] public override byte[] GeneratePremasterSecret() { ECPrivateKeyParameters ecprivateKeyParameters; for (;;) { if (this.mAgreementCredentials == 0) { ecprivateKeyParameters = this.mECAgreePrivateKey; if (ecprivateKeyParameters != 0) { break; } } } ECDHBasicAgreement ecdhbasicAgreement = new ECDHBasicAgreement(); BigInteger bigInteger = ecdhbasicAgreement.CalculateAgreement(ecprivateKeyParameters); int fieldSize = ecdhbasicAgreement.GetFieldSize(); byte[] array; return array; } // Token: 0x040071CA RID: 29130 [FieldOffset(Offset = "0x28")] [Token(Token = "0x40071CA")] protected TlsSigner mTlsSigner; // Token: 0x040071CB RID: 29131 [FieldOffset(Offset = "0x30")] [Token(Token = "0x40071CB")] protected int[] mNamedCurves; // Token: 0x040071CC RID: 29132 [FieldOffset(Offset = "0x38")] [Token(Token = "0x40071CC")] protected byte[] mClientECPointFormats; // Token: 0x040071CD RID: 29133 [FieldOffset(Offset = "0x40")] [Token(Token = "0x40071CD")] protected byte[] mServerECPointFormats; // Token: 0x040071CE RID: 29134 [FieldOffset(Offset = "0x48")] [Token(Token = "0x40071CE")] protected AsymmetricKeyParameter mServerPublicKey; // Token: 0x040071CF RID: 29135 [FieldOffset(Offset = "0x50")] [Token(Token = "0x40071CF")] protected TlsAgreementCredentials mAgreementCredentials; // Token: 0x040071D0 RID: 29136 [FieldOffset(Offset = "0x58")] [Token(Token = "0x40071D0")] protected ECPrivateKeyParameters mECAgreePrivateKey; // Token: 0x040071D1 RID: 29137 [FieldOffset(Offset = "0x60")] [Token(Token = "0x40071D1")] protected ECPublicKeyParameters mECAgreePublicKey; } }