C# KerberosTestClient.ExpectKrbError方法代码示例

        public void KrbErrorBadProtocolVersionNum()
        {
            base.Logging();

            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            BaseTestSite.Log.Add(LogEntryKind.Comment, "Construct Kerberos client for testing.");

            //Create and send AS request
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            long badPvno = 255;
            client.SendAsRequest(options, null, badPvno);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with no PA data.");
            KerberosKrbError krbError = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KRB_AP_ERR_BADVERSION, krbError.ErrorCode,
                "If the requested protocol version number mismatches, then an error message with a KRD_AP_ERR_BADVERSION is returned.");
        }

        public void AdFxFastArmorInAuthenticator()
        {
            base.Logging();

            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.ClientComputer.NetBiosName,
                this.testConfig.LocalRealm.ClientComputer.Password,
                KerberosAccountType.Device,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid,
               testConfig.LocalRealm.ClientComputer.AccountSalt);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            // AS_REQ and KRB-ERROR using device principal
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);
            METHOD_DATA methodData;
            KerberosKrbError krbError1 = client.ExpectPreauthRequiredError(out methodData);

            // AS_REQ and AS_REP using device principal
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(
                timeStamp,
                0,
                client.Context.SelectedEType,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data });
            client.SendAsRequest(options, seqOfPaData);
            KerberosAsResponse asResponse = client.ExpectAsResponse();
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("The type of AS-REP encrypted part is {0}.", asResponse.EncPart.GetType().Name));

            AdFxFastArmor adFxFastArmor = new AdFxFastArmor();
            AuthorizationData authData = new AuthorizationData(new AuthorizationDataElement[] { adFxFastArmor.AuthDataElement });
            client.SendTgsRequest(testConfig.LocalRealm.ClientComputer.DefaultServiceName, options, null, null, authData);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Receive TGS Error, KDC MUST reject the request.");
            KerberosKrbError krbError = client.ExpectKrbError();
        }

        public void StrengthenKey()
        {
            base.Logging();

            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.ClientComputer.NetBiosName,
                this.testConfig.LocalRealm.ClientComputer.Password,
                KerberosAccountType.Device,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid,
                testConfig.LocalRealm.ClientComputer.AccountSalt);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            // AS_REQ and KRB-ERROR using device principal
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with no PA data.");
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve preauthentication required error.");
            METHOD_DATA methodData;
            KerberosKrbError krbError1 = client.ExpectPreauthRequiredError(out methodData);

            // AS_REQ and AS_REP using device principal
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with PaEncTimeStamp.");
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(
                timeStamp,
                0,
                client.Context.SelectedEType,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data });
            client.SendAsRequest(options, seqOfPaData);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve AS response.");
            KerberosAsResponse asResponse = client.ExpectAsResponse();
            BaseTestSite.Assert.IsNotNull(asResponse.Response.ticket, "AS response should contain a TGT.");
            BaseTestSite.Assert.IsNotNull(asResponse.EncPart, "The encrypted part of AS response is decrypted.");
            BaseTestSite.Assert.IsNotNull(asResponse.EncPart.key, "AS response should contain a session key.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("The type of AS-REP encrypted part is {0}.", asResponse.EncPart.GetType().Name));

            // Switch to user principal
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Switch to user principal.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("Construct Kerberos client using user account: {0}.",
                this.testConfig.LocalRealm.User[1].Username));
            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                client.Context.Ticket,
                client.Context.SessionKey,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            // FAST armored AS_REQ and KRB-ERROR using user principal
            //Create a "random" key.
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send FAST armored AS request with no pre-authentication padata.");
            var subkey = KerberosUtility.MakeKey(client.Context.SelectedEType, "Password02!", "this is a salt");
            var fastOptions = new Protocols.TestTools.StackSdk.Security.KerberosV5.Preauth.FastOptions(KerberosUtility.ConvertInt2Flags((int)0));
            var apOptions = ApOptions.None;

            Asn1SequenceOf<PA_DATA> seqOfPaData2 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { new PA_DATA(new KerbInt32((long)PaDataType.PA_FX_FAST), null) });
            client.SendAsRequestWithFast(options, seqOfPaData2, null, subkey, fastOptions, apOptions);
            KerberosKrbError krbError2 = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(krbError2.ErrorCode, KRB_ERROR_CODE.KDC_ERR_PREAUTH_REQUIRED, "Pre-authentication required.");

            // FAST armored AS_REQ and AS_REP using user principal
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with PaEncryptedChallenge.");
            var userKey = KerberosUtility.MakeKey(
                client.Context.SelectedEType,
                client.Context.CName.Password,
                client.Context.CName.Salt);
            PaEncryptedChallenge paEncTimeStamp3 = new PaEncryptedChallenge(
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            BaseTestSite.Assert.IsNotNull(asResponse.EncPart.key, "AS response should contain a session key.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("The type of AS-REP encrypted part is {0}.", asResponse.EncPart.GetType().Name));

            // Switch to user principal
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Switch to user principal.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("Construct kerberos client using user account: {0}.",
                this.testConfig.LocalRealm.User[1].Username));
            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                client.Context.Ticket,
                client.Context.SessionKey,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Define user principal client supported encryption type
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Set user principal client supported encryption type as RC4_HMAC.");
            client.SetSupportedEType(rc4HmacType);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            // FAST armored AS_REQ and KRB-ERROR using user principal
            //Create a "random" key.
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send FAST armored AS request with no pre-authentication padata.");
            var subkey = KerberosUtility.MakeKey(client.Context.SelectedEType, "Password02!", "this is a salt");
            var fastOptions = new Protocols.TestTools.StackSdk.Security.KerberosV5.Preauth.FastOptions(KerberosUtility.ConvertInt2Flags((int)0));
            var apOptions = ApOptions.None;

            Asn1SequenceOf<PA_DATA> seqOfPaData2 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { new PA_DATA(new KerbInt32((long)PaDataType.PA_FX_FAST), null) });
            client.SendAsRequestWithFast(options, seqOfPaData2, null, subkey, fastOptions, apOptions);
            KerberosKrbError krbError2 = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(EncryptionType.RC4_HMAC, client.Context.SelectedEType, "Client selected encryption type should be RC4_HMAC.");
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KDC_ERR_PREAUTH_REQUIRED, krbError2.ErrorCode, "Pre-authentication required.");

            // FAST armored AS_REQ and AS_REP using user principal
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with PaEncryptedChallenge.");
            var userKey = KerberosUtility.MakeKey(
                client.Context.SelectedEType,
                client.Context.CName.Password,
                client.Context.CName.Salt);

            PaEncryptedChallenge paEncTimeStamp3 = new PaEncryptedChallenge(
                client.Context.SelectedEType,
                KerberosUtility.CurrentKerberosTime.Value,
                0,
                client.Context.FastArmorkey,
                userKey);
            Asn1SequenceOf<PA_DATA> seqOfPaData3 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp3.Data });
            client.SendAsRequestWithFast(options, seqOfPaData3, null, subkey, fastOptions, apOptions);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve AS response.");
            KerberosAsResponse userKrbAsRep = client.ExpectAsResponse();
            BaseTestSite.Assert.AreEqual(EncryptionType.RC4_HMAC, client.Context.SelectedEType, "Client selected encryption type should be RC4_HMAC.");
            BaseTestSite.Assert.IsNotNull(userKrbAsRep.Response.ticket, "AS response should contain a TGT.");
            BaseTestSite.Assert.IsNotNull(userKrbAsRep.EncPart, "The encrypted part of AS response is decrypted.");
            BaseTestSite.Assert.IsNotNull(userKrbAsRep.EncPart.key, "AS response should contain a session key.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("The type of AS-REP encrypted part is {0}.", userKrbAsRep.EncPart.GetType().Name));
            // FAST armored TGS_REQ and TGS_REP using user principal
            subkey = KerberosUtility.MakeKey(client.Context.SelectedEType, "Password03!", "this is a salt");
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send explicit FAST armored TGS request.");
            client.SendTgsRequestWithExplicitFast(testConfig.LocalRealm.ClientComputer.DefaultServiceName, options, null, null, subkey, fastOptions, apOptions);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve TGS response.");
            KerberosTgsResponse userKrbTgsRep = client.ExpectTgsResponse(KeyUsageNumber.TGS_REP_encrypted_part_subkey);
            BaseTestSite.Assert.IsNotNull(userKrbTgsRep.EncPart, "The encrypted part of TGS-REP is decrypted.");

            BaseTestSite.Assert.AreEqual(this.testConfig.LocalRealm.RealmName.ToLower(),
                userKrbTgsRep.Response.ticket.realm.Value.ToLower(),
                "The realm in ticket should match expected.");
            BaseTestSite.Assert.AreEqual(this.testConfig.LocalRealm.ClientComputer.DefaultServiceName,
               KerberosUtility.PrincipalName2String(userKrbTgsRep.Response.ticket.sname),
               "The Service principal name in ticket should match expected.");

            EncryptionKey key = testConfig.QueryKey(this.testConfig.LocalRealm.ClientComputer.DefaultServiceName, this.testConfig.LocalRealm.RealmName, this.client.Context.SelectedEType);
            userKrbTgsRep.DecryptTicket(key);

            //userKrbTgsRep.DecryptTicket(this.testConfig.LocalRealm.ClientComputer.Password, this.testConfig.LocalRealm.ClientComputer.ServiceSalt);
            BaseTestSite.Assert.AreEqual(this.testConfig.LocalRealm.RealmName.ToLower(),
               userKrbTgsRep.TicketEncPart.crealm.Value.ToLower(),
               "The realm in ticket encrypted part should match expected.");
            BaseTestSite.Assert.AreEqual(this.testConfig.LocalRealm.User[1].Username.ToLower(),
                KerberosUtility.PrincipalName2String(userKrbTgsRep.TicketEncPart.cname).ToLower(),
                "The client principal name in ticket encrypted part should match expected.");
        }

        public void AdFxFastUsedInAuthenticator()
        {
            base.Logging();

            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.ClientComputer.NetBiosName,
                this.testConfig.LocalRealm.ClientComputer.Password,
                KerberosAccountType.Device,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid,
               testConfig.LocalRealm.ClientComputer.AccountSalt);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            // AS_REQ and KRB-ERROR using device principal
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);
            METHOD_DATA methodData;
            KerberosKrbError krbError1 = client.ExpectPreauthRequiredError(out methodData);

            // AS_REQ and AS_REP using device principal
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(
                timeStamp,
                0,
                client.Context.SelectedEType,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data });
            client.SendAsRequest(options, seqOfPaData);
            KerberosAsResponse asResponse = client.ExpectAsResponse();
            BaseTestSite.Assert.IsNotNull(asResponse.Response.ticket, "AS response should contain a TGT.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("The type of AS-REP encrypted part is {0}.", asResponse.EncPart.GetType().Name));

            // Switch to user principal
            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                client.Context.Ticket,
                client.Context.SessionKey,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            // FAST armored AS_REQ and KRB-ERROR using user principal
            //Create a "random" key.
            var subkey = KerberosUtility.MakeKey(client.Context.SelectedEType, "Password02!", "this is a salt");
            var fastOptions = new Protocols.TestTools.StackSdk.Security.KerberosV5.Preauth.FastOptions(KerberosUtility.ConvertInt2Flags((int)0));
            var apOptions = ApOptions.None;

            Asn1SequenceOf<PA_DATA> seqOfPaData2 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { new PA_DATA(new KerbInt32((long)PaDataType.PA_FX_FAST), null) });
            client.SendAsRequestWithFast(options, seqOfPaData2, null, subkey, fastOptions, apOptions);
            KerberosKrbError krbError2 = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(krbError2.ErrorCode, KRB_ERROR_CODE.KDC_ERR_PREAUTH_REQUIRED, "Pre-authentication required.");

            // FAST armored AS_REQ and AS_REP using user principal
            var userKey = KerberosUtility.MakeKey(
                client.Context.SelectedEType,
                client.Context.CName.Password,
                client.Context.CName.Salt);
            PaEncryptedChallenge paEncTimeStamp3 = new PaEncryptedChallenge(
                client.Context.SelectedEType,
                KerberosUtility.CurrentKerberosTime.Value,
                0,
                client.Context.FastArmorkey,
                userKey);
            Asn1SequenceOf<PA_DATA> seqOfPaData3 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp3.Data });
            client.SendAsRequestWithFast(options, seqOfPaData3, null, subkey, fastOptions, apOptions);
            KerberosAsResponse userKrbAsRep = client.ExpectAsResponse();
            BaseTestSite.Assert.IsNotNull(userKrbAsRep.Response.ticket, "AS response should contain a TGT.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("The type of AS-REP encrypted part is {0}.", userKrbAsRep.EncPart.GetType().Name));

//.........这里部分代码省略.........

        public void Protected_Users_Interactive_Logon_User_A2AF_Succeed()
        {
            base.Logging();

            //Section 3.3.5.6: Authentication Policies are not supported by Windows 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012 KDCs.
            if (int.Parse(this.testConfig.LocalRealm.DomainControllerFunctionality) < 6)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Section 3.3.5.6: Authentication Policies are not supported by Windows 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012 KDCs.");
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Will exit the case immediately.");
                return;
            }

            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.ClientComputer.NetBiosName,
                this.testConfig.LocalRealm.ClientComputer.Password,
                KerberosAccountType.Device,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid,
               testConfig.LocalRealm.ClientComputer.AccountSalt);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

             //AS_REQ and KRB-ERROR using device principal
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);
            METHOD_DATA methodData;
            KerberosKrbError krbError1 = client.ExpectPreauthRequiredError(out methodData);

            // AS_REQ and AS_REP using device principal
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(
                timeStamp,
                0,
                client.Context.SelectedEType,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            PaPacRequest paPacRequest = new PaPacRequest(true);
            PaPacOptions paPacOptions = new PaPacOptions(PacOptions.Claims | PacOptions.ForwardToFullDc);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data, paPacRequest.Data, paPacOptions.Data });
            client.SendAsRequest(options, seqOfPaData);
            KerberosAsResponse asResponse = client.ExpectAsResponse();
            BaseTestSite.Assert.IsNotNull(asResponse.Response.ticket, "AS response should contain a TGT.");
            BaseTestSite.Log.Add(
                LogEntryKind.Comment,
                string.Format("The type of AS-REP encrypted part is {0}.", asResponse.EncPart.GetType().Name));

            // Switch to user principal
            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[16].Username,
                this.testConfig.LocalRealm.User[16].Password,
                KerberosAccountType.User,
                client.Context.Ticket,
                client.Context.SessionKey,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            // FAST armored AS_REQ and KRB-ERROR using user principal
            //Create a "random" key.
            var subkey = KerberosUtility.MakeKey(client.Context.SelectedEType, "Password02!", "this is a salt");
            var fastOptions = new Protocols.TestTools.StackSdk.Security.KerberosV5.Preauth.FastOptions(KerberosUtility.ConvertInt2Flags((int)0));
            var apOptions = ApOptions.None;

            Asn1SequenceOf<PA_DATA> seqOfPaData2 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paPacRequest.Data, paPacOptions.Data });
            client.SendAsRequestWithFast(options, seqOfPaData2, null, subkey, fastOptions, apOptions);
            KerberosKrbError krbError2 = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KDC_ERR_PREAUTH_REQUIRED, krbError2.ErrorCode, "Pre-authentication required.");

            // FAST armored AS_REQ and AS_REP using user principal
            var userKey = KerberosUtility.MakeKey(
                client.Context.SelectedEType,
                client.Context.CName.Password,
                client.Context.CName.Salt);
            PaEncryptedChallenge paEncTimeStamp3 = new PaEncryptedChallenge(
                client.Context.SelectedEType,
                KerberosUtility.CurrentKerberosTime.Value,
                0,
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                    KerberosAccountType.User,
                    client.Context.Ticket,
                    client.Context.SessionKey,
                    testConfig.LocalRealm.KDC[0].IPAddress,
                    testConfig.LocalRealm.KDC[0].Port,
                    testConfig.TransportType,
                    testConfig.SupportedOid);

                // Define user principal client supported encryption type
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Set user principal client supported encryption type as RC4_HMAC.");
                client.SetSupportedEType(rc4HmacType);

                // Kerberos Proxy Service is used
                if (this.testConfig.UseProxy)
                {
                    BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                    KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                    proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                    client.UseProxy = true;
                    client.ProxyClient = proxyClient;
                }

                // FAST armored AS_REQ and KRB-ERROR using user principal
                //Create a "random" key.
                var subkey = KerberosUtility.MakeKey(client.Context.SelectedEType, "Password02!", "this is a salt");

                var fastOptions = new Protocols.TestTools.StackSdk.Security.KerberosV5.Preauth.FastOptions(KerberosUtility.ConvertInt2Flags((int)0));
                var apOptions = ApOptions.None;
                string timeStamp2 = KerberosUtility.CurrentKerberosTime.Value;
                PaFxFastReq paFxFastReq = new PaFxFastReq(null);
                Asn1SequenceOf<PA_DATA> seqOfPaData2 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { (paFxFastReq.Data) });

                client.SendAsRequestWithFast(options, seqOfPaData2, null, subkey, fastOptions, apOptions);
                KerberosKrbError krbError2 = client.ExpectKrbError();
                BaseTestSite.Assert.AreEqual(krbError2.ErrorCode, KRB_ERROR_CODE.KDC_ERR_PREAUTH_REQUIRED, "Pre-authentication required.");
                BaseTestSite.Assert.AreEqual(EncryptionType.RC4_HMAC, client.Context.SelectedEType, "Client selected encryption type should be RC4_HMAC.");

                // FAST armored AS_REQ and AS_REP using user principal
                var userKey = KerberosUtility.MakeKey(
                    client.Context.SelectedEType,
                    client.Context.CName.Password,
                    client.Context.CName.Salt);
                PaEncryptedChallenge paEncTimeStamp3 = new PaEncryptedChallenge(
                    client.Context.SelectedEType,
                    KerberosUtility.CurrentKerberosTime.Value,
                    0,
                    client.Context.FastArmorkey,
                    userKey);

                Asn1SequenceOf<PA_DATA> seqOfPaData3 = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp3.Data });
                paPacRequest = new PaPacRequest(true);
                PaPacOptions paPacOptions = new PaPacOptions(PacOptions.Claims | PacOptions.ForwardToFullDc);
                Asn1SequenceOf<PA_DATA> outerSeqPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paPacRequest.Data, paPacOptions.Data });
                client.SendAsRequestWithFast(options, seqOfPaData3, outerSeqPaData, subkey, fastOptions, apOptions);
                KerberosAsResponse userKrbAsRep = client.ExpectAsResponse();
                BaseTestSite.Assert.AreEqual(EncryptionType.RC4_HMAC, client.Context.SelectedEType, "Client selected encryption type should be RC4_HMAC.");

                if (testConfig.IsClaimSupported)
                {
                    PaSupportedEncTypes paSupportedEncTypes = null;
                    foreach (var padata in userKrbAsRep.EncPart.pa_datas.Elements)
                    {
                        var parsedPadata = PaDataParser.ParseRepPaData(padata);
                        if (parsedPadata is PaSupportedEncTypes)
                            paSupportedEncTypes = parsedPadata as PaSupportedEncTypes;
                    }

        public void KrbErrorMsgType()
        {
            base.Logging();

            client = new KerberosTestClient(
                this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            BaseTestSite.Log.Add(LogEntryKind.Comment, "Construct Kerberos client for testing.");

            //Create and send AS request
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            //Send AsRequest with invalid type
            client.SendAsRequest(options, null, 5, MsgType.None);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with no PA data.");
            KerberosKrbError krbError = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KRB_AP_ERR_MSG_TYPE, krbError.ErrorCode,
                "If the message type is not invalid, the server returns the KRB_AP_ERR_MSG_TYPE error.");
        }

        public void KrbErrorPreauthFailed()
        {
            base.Logging();

            //Create kerberos test client and connect
            client = new KerberosTestClient(this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                "WrongPassword",
                KerberosAccountType.User,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);
            //Recieve preauthentication required error
            METHOD_DATA methodData;
            KerberosKrbError krbError = client.ExpectPreauthRequiredError(out methodData);

            //Create sequence of PA data
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(timeStamp,
                0,
                this.client.Context.SelectedEType,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            PaPacRequest paPacRequest = new PaPacRequest(true);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data, paPacRequest.Data });
            //Create and send AS request
            client.SendAsRequest(options, seqOfPaData);
            krbError = client.ExpectKrbError();
            BaseTestSite.Assert.IsTrue(krbError.ErrorCode == KRB_ERROR_CODE.KDC_ERR_PREAUTH_FAILED || krbError.ErrorCode == KRB_ERROR_CODE.KRB_AP_ERR_BAD_INTEGRITY,
                "If the pre-authentication check fails, an error message with the code KDC_ERR_PREAUTH_FAILED is returned.");
        }

        public void KrbErrorFieldTooLong()
        {
            base.Logging();

            client = new KerberosTestClient(this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client.");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            //Create and send AS request
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);
            //Recieve preauthentication required error
            METHOD_DATA methodData;
            KerberosKrbError krbError = client.ExpectPreauthRequiredError(out methodData);

            //Create sequence of PA data
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(timeStamp,
                0,
                client.Context.SelectedEType,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            PaPacRequest paPacRequest = new PaPacRequest(true);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data, paPacRequest.Data });

            //Create and send AS request
            client.SendAsRequest(options, seqOfPaData);
            KerberosAsResponse asResponse = client.ExpectAsResponse();
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request.");
            //Create and send TGS request with MsgType as KRB_AS_REQ
            client.SendTgsRequest(this.testConfig.LocalRealm.FileServer[0].Smb2ServiceName, options, MsgType.KRB_AS_REQ);
            krbError = client.ExpectKrbError();
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve Kerberos error.");
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KRB_ERR_FIELD_TOOLONG, krbError.ErrorCode,
                "If KDC does not understand how to interpret a set high bit of the length encoding receives " +
                "a request with the high order bit of the length set, it MUST return KRB_ERR_FIELD_TOOLONG.");
        }

        public void KrbErrorBadIntegrity()
        {
            base.Logging();

            client = new KerberosTestClient(this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            //Create and send AS request
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);
            //Recieve preauthentication required error
            METHOD_DATA methodData;
            KerberosKrbError krbError = client.ExpectPreauthRequiredError(out methodData);

            //Create sequence of PA data
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(timeStamp,
                0,
                client.Context.SelectedEType,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            PaPacRequest paPacRequest = new PaPacRequest(true);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data, paPacRequest.Data });
            //Create and send AS request
            client.SendAsRequest(options, seqOfPaData);
            KerberosAsResponse asResponse = client.ExpectAsResponse();

            // Modify ciphertext of TGT
            byte originalFirstByte = (byte)client.Context.Ticket.Ticket.enc_part.cipher.ByteArrayValue.GetValue(0);
            client.Context.Ticket.Ticket.enc_part.cipher.ByteArrayValue.SetValue((byte)(originalFirstByte + 1), 0);

            //Create and send TGS request
            client.SendTgsRequest(this.testConfig.LocalRealm.FileServer[0].Smb2ServiceName, options);
            krbError = client.ExpectKrbError();
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve Kerberos error.");
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KRB_AP_ERR_BAD_INTEGRITY, krbError.ErrorCode,
                "If decrypting the authenticator using the session key shows that it has been modified, " +
                "the KRB_AP_ERR_BAD_INTEGRITY error is returned");
        }

        public void KrbErrorETypeNoSupp()
        {
            base.Logging();

            //Create kerberos test client
            client = new KerberosTestClient(this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password,
                KerberosAccountType.User,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            EncryptionType[] encryptionTypes = new EncryptionType[] { EncryptionType.None };

            Microsoft.Protocols.TestTools.StackSdk.Security.KerberosLib.KerbInt32[] etypes =
                new Microsoft.Protocols.TestTools.StackSdk.Security.KerberosLib.KerbInt32[encryptionTypes.Length];
            for (int i = 0; i < encryptionTypes.Length; i++)
            {
                etypes[i] = new Microsoft.Protocols.TestTools.StackSdk.Security.KerberosLib.KerbInt32((int)encryptionTypes[i]);
            }

            client.Context.SupportedEType = new Asn1SequenceOf<KerbInt32>(etypes);

            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);

            KerberosKrbError krbError = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KDC_ERR_ETYPE_NOTSUPP,
                krbError.ErrorCode,
                "If the server cannot accommodate any encryption type requested by the client, an error message with the code KDC_ERR_ETYPE_NOTSUPP is returned.");
        }

        public void KrbErrorClientPrincipalUnknown()
        {
            base.Logging();

            client = new KerberosTestClient(this.testConfig.LocalRealm.RealmName,
                "UnknownUser",
                 this.testConfig.LocalRealm.User[0].Password,
                 KerberosAccountType.User,
                 testConfig.LocalRealm.KDC[0].IPAddress,
                 testConfig.LocalRealm.KDC[0].Port,
                 testConfig.TransportType,
                 testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            KdcOptions options = KdcOptions.RENEWABLE;
            Asn1SequenceOf<PA_DATA> seqOfPaData = null;
            //Create and send AS request
            client.SendAsRequest(options, seqOfPaData);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with unknown principal.");
            KerberosKrbError krbError = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KDC_ERR_C_PRINCIPAL_UNKNOWN,
                krbError.ErrorCode,
                "If the requested client principal named in the request is unknown because it doesn't exist in the KDC's principal database, then an error message with a KDC_ERR_C_PRINCIPAL_UNKNOWN is returned.");
        }

        public void KrbErrorCannotPostdate()
        {
            base.Logging();

            client = new KerberosTestClient(this.testConfig.LocalRealm.RealmName, this.testConfig.LocalRealm.User[1].Username,
                this.testConfig.LocalRealm.User[1].Password, KerberosAccountType.User, testConfig.LocalRealm.KDC[0].IPAddress, testConfig.LocalRealm.KDC[0].Port, testConfig.TransportType,
                testConfig.SupportedOid);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Construct Kerberos client for testing.");

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            //Create and send AS request
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            KerberosTime from = new KerberosTime("20370811035805Z");
            KerberosTime till = new KerberosTime("20370810035805Z");
            client.SendAsRequest(options, null, from, till);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with no PA data.");
            //Recieve preauthentication required error
            METHOD_DATA methodData;
            KerberosKrbError krbError = client.ExpectPreauthRequiredError(out methodData);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve preauthentication required error.");

            //Create sequence of PA data
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(timeStamp, 0, client.Context.SelectedEType, this.client.Context.CName.Password, this.client.Context.CName.Salt);
            PaPacRequest paPacRequest = new PaPacRequest(true);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data, paPacRequest.Data });
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create a sequence of PA data.");
            //Create and send AS request
            client.SendAsRequest(options, seqOfPaData, from, till);
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Create and send AS request with PA data.");

            krbError = client.ExpectKrbError();
            BaseTestSite.Log.Add(LogEntryKind.Comment, "Recieve Kerberos error.");
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KDC_ERR_CANNOT_POSTDATE, krbError.ErrorCode, "If the requested starttime indicates a time in the future beyond the acceptable clock skew but the POSTDATED option has not been specified, an error message with code KDC_ERR_CANNOT_POSTDATE is returned.");
        }

        public void Protected_Users_DES_PreAuthentication_Fail()
        {
            base.Logging();
            //Section 3.3.5.6: PROTECTED_USERS is not supported by Windows 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012 KDCs.
            if (int.Parse(this.testConfig.LocalRealm.DomainControllerFunctionality) < 6)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Section 3.3.5.6: PROTECTED_USERS is not supported in Windows 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012 KDCs.");
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Will exit the case immediately.");
                return;
            }

            //Create kerberos test client and connect
            client = new KerberosTestClient(this.testConfig.LocalRealm.RealmName,
                this.testConfig.LocalRealm.User[15].Username,
                this.testConfig.LocalRealm.User[15].Password,
                KerberosAccountType.User,
                testConfig.LocalRealm.KDC[0].IPAddress,
                testConfig.LocalRealm.KDC[0].Port,
                testConfig.TransportType,
                testConfig.SupportedOid);

            // Kerberos Proxy Service is used
            if (this.testConfig.UseProxy)
            {
                BaseTestSite.Log.Add(LogEntryKind.Comment, "Initialize KKDCP Client .");
                KKDCPClient proxyClient = new KKDCPClient(proxyClientConfig);
                proxyClient.TargetDomain = this.testConfig.LocalRealm.RealmName;
                client.UseProxy = true;
                client.ProxyClient = proxyClient;
            }

            //Send AS request
            KdcOptions options = KdcOptions.FORWARDABLE | KdcOptions.CANONICALIZE | KdcOptions.RENEWABLE;
            client.SendAsRequest(options, null);

            KerberosKrbError krbError;

            //Recieve preauthentication required error
            METHOD_DATA methodData;
             krbError = client.ExpectPreauthRequiredError(out methodData);

            //Create sequence of PA data
            string timeStamp = KerberosUtility.CurrentKerberosTime.Value;

               //pre-authentication use DES
            PaEncTimeStamp paEncTimeStamp = new PaEncTimeStamp(timeStamp,
                0,
                EncryptionType.DES_CBC_MD5,
                this.client.Context.CName.Password,
                this.client.Context.CName.Salt);
            PaPacRequest paPacRequest = new PaPacRequest(true);
            PaPacOptions paPacOptions = new PaPacOptions(PacOptions.Claims | PacOptions.ForwardToFullDc);
            Asn1SequenceOf<PA_DATA> seqOfPaData = new Asn1SequenceOf<PA_DATA>(new PA_DATA[] { paEncTimeStamp.Data, paPacRequest.Data, paPacOptions.Data });

            //Create and send AS request with DES as pre-authentication
            client.SendAsRequest(options, seqOfPaData);

            //PROTECTED_USERS is not supported in Windows 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012 KDCs.

            //Receive KDC_ERR_ETYPE_NOTSUPP error from KDC
            krbError = client.ExpectKrbError();
            BaseTestSite.Assert.AreEqual(KRB_ERROR_CODE.KDC_ERR_ETYPE_NOTSUPP, krbError.ErrorCode, "Section 3.3.5.6 AS Exchange:" +
                "If domainControllerFunctionality returns a value >= 6 ([MS-ADTS] section 3.1.1.3.2.25), the KDC MUST check whether the account is a member of PROTECTED_USERS ([MS-DTYP] section 2.4.2.4). " +
                "If it is a member of PROTECTED_USERS, then:<50>" +
                "If pre-authentication used DES or RC4, the KDC MUST return KDC_ERR_ETYPE_NOTSUPP.");
        }