Blowfish key is now generate from client's handshake packet.

FFXIVClassic_Lobby_Server/Database.cs

@@ -128,9 +128,9 @@ namespace FFXIVClassic_Lobby_Server
                                         WHERE userId=@userId AND id=@cid;
             
                                         INSERT INTO characters_appearance
-                                        (characterId, baseId, size, voice, skinColor, hairStyle, hairColor, hairHighlightColor, eyeColor, faceType, faceEyebrows, faceEyeShape, faceIrisSize, faceNose, faceMouth, faceFeatures, ears, characteristics, characteristicsColor, mainhand, head, body, hands, legs, feet)
+                                        (characterId, baseId, size, voice, skinColor, hairStyle, hairColor, hairHighlightColor, eyeColor, faceType, faceEyebrows, faceEyeShape, faceIrisSize, faceNose, faceMouth, faceFeatures, ears, characteristics, characteristicsColor, mainhand, head, body, hands, legs, feet, waist)
                                         VALUES
-                                        (@cid, 4294967295, @size, @voice, @skinColor, @hairStyle, @hairColor, @hairHighlightColor, @eyeColor, @faceType, @faceEyebrows, @faceEyeShape, @faceIrisSize, @faceNose, @faceMouth, @faceFeatures, @ears, @characteristics, @characteristicsColor, @mainhand, @head, @body, @hands, @legs, @feet)
+                                        (@cid, 4294967295, @size, @voice, @skinColor, @hairStyle, @hairColor, @hairHighlightColor, @eyeColor, @faceType, @faceEyebrows, @faceEyeShape, @faceIrisSize, @faceNose, @faceMouth, @faceFeatures, @ears, @characteristics, @characteristicsColor, @mainhand, @head, @body, @hands, @legs, @feet, @waist)
                                         ";
                     cmd.Parameters.AddWithValue("@userId", accountId);
                     cmd.Parameters.AddWithValue("@cid", cid);
@@ -172,6 +172,7 @@ namespace FFXIVClassic_Lobby_Server
                     cmd.Parameters.AddWithValue("@legs", charaInfo.legs);
                     cmd.Parameters.AddWithValue("@hands", charaInfo.hands);                    
                     cmd.Parameters.AddWithValue("@feet", charaInfo.feet);
+                    cmd.Parameters.AddWithValue("@waist", charaInfo.belt);
                     
                     cmd.ExecuteNonQuery();
 

FFXIVClassic_Lobby_Server/FFXIVClassic_Lobby_Server.csproj

@@ -72,6 +72,7 @@
     <Compile Include="PacketProcessor.cs" />
     <Compile Include="packets\BasePacket.cs" />
     <Compile Include="packets\receive\CharacterModifyPacket.cs" />
+    <Compile Include="packets\receive\SecurityHandshakePacket.cs" />
     <Compile Include="packets\receive\SelectCharacterPacket.cs" />
     <Compile Include="packets\receive\SessionPacket.cs" />
     <Compile Include="packets\send\CharaCreatorPacket.cs" />

FFXIVClassic_Lobby_Server/PacketProcessor.cs

@@ -9,6 +9,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
+using System.Security.Cryptography;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -23,6 +24,7 @@ namespace FFXIVClassic_Lobby_Server
 
             if ((packet.header.packetSize == 0x288) && (packet.data[0x34] == 'T'))		//Test Ticket Data
             {
+                packet.debugPrintPacket();
                 //Crypto handshake
                 ProcessStartSession(client, packet);
                 return;
@@ -65,13 +67,12 @@ namespace FFXIVClassic_Lobby_Server
 
         private void ProcessStartSession(ClientConnection client, BasePacket packet)
         {
-            UInt32 clientTime = BitConverter.ToUInt32(packet.data, 0x74);
+            SecurityHandshakePacket securityHandshake = new SecurityHandshakePacket(packet.data);
 
-            //We assume clientTime is 0x50E0E812, but we need to generate a proper key later
+            byte[] blowfishKey = GenerateKey(securityHandshake.ticketPhrase, securityHandshake.clientNumber);
-            byte[] blowfishKey = { 0xB4, 0xEE, 0x3F, 0x6C, 0x01, 0x6F, 0x5B, 0xD9, 0x71, 0x50, 0x0D, 0xB1, 0x85, 0xA2, 0xAB, 0x43};
             client.blowfish = new Blowfish(blowfishKey);
 
-            Log.info(String.Format("Received encryption key: 0x{0:X}", clientTime));
+            Log.info(String.Format("SecCNum: 0x{0:X}", securityHandshake.clientNumber));
 
             //Respond with acknowledgment
             BasePacket outgoingPacket = new BasePacket(HardCoded_Packets.g_secureConnectionAcknowledgment);
@@ -242,21 +243,21 @@ namespace FFXIVClassic_Lobby_Server
                     //Set Initial Position
                     switch (info.initialTown)
                     {
-                        case 1:
+                        case 1: //ocn0Battle02 (Limsa)
                             info.zoneId = 193;
                             info.x = 0.016f;
                             info.y = 10.35f;
                             info.z = -36.91f;
                             info.rot = 0.025f;
                             break;
-                        case 2:
+                        case 2: //fst0Battle03 (Gridania)
                             info.zoneId = 166;
                             info.x = 356.09f;
                             info.y = 3.74f;
                             info.z = -701.62f;
                             info.rot = -1.4f;
                             break;
-                        case 3:
+                        case 3: //wil0Battle01 (Ul'dah)
                             info.zoneId = 184;
                             info.x = 12.63f;
                             info.y = 196.05f;
@@ -357,5 +358,32 @@ namespace FFXIVClassic_Lobby_Server
             client.queuePacket(basePacket);
         }
 
+        private byte[] GenerateKey(string ticketPhrase, uint clientNumber)
+        {
+            byte[] key;
+            using (MemoryStream memStream = new MemoryStream(0x2C))
+            {
+                using (BinaryWriter binWriter = new BinaryWriter(memStream))
+                {
+                    binWriter.Write((Byte)0x78);
+                    binWriter.Write((Byte)0x56);
+                    binWriter.Write((Byte)0x34);
+                    binWriter.Write((Byte)0x12);
+                    binWriter.Write((UInt32)clientNumber);
+                    binWriter.Write((Byte)0xE8);
+                    binWriter.Write((Byte)0x03);
+                    binWriter.Write((Byte)0x00);
+                    binWriter.Write((Byte)0x00);
+                    binWriter.Write(Encoding.ASCII.GetBytes(ticketPhrase), 0, Encoding.ASCII.GetByteCount(ticketPhrase) >= 0x20 ? 0x20 : Encoding.ASCII.GetByteCount(ticketPhrase));                    
+                }
+                byte[] nonMD5edKey = memStream.GetBuffer();
+
+                using (MD5 md5Hash = MD5.Create())
+                {
+                    key = md5Hash.ComputeHash(nonMD5edKey);
+                }
+            }
+            return key;
+        }
     }
 }

FFXIVClassic_Lobby_Server/packets/receive/SecurityHandshakePacket.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Lobby_Server.packets.receive
+{
+    class SecurityHandshakePacket
+    {
+        public string ticketPhrase;
+        public uint clientNumber;
+
+        public bool invalidPacket = false;
+
+        public SecurityHandshakePacket(byte[] data)
+        {
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryReader binReader = new BinaryReader(mem))
+                {
+                    try
+                    {
+                        binReader.BaseStream.Seek(0x34, SeekOrigin.Begin);
+                        ticketPhrase = Encoding.ASCII.GetString(binReader.ReadBytes(0x40)).Trim(new[] { '\0' });
+                        clientNumber = binReader.ReadUInt32();
+                    }
+                    catch (Exception){
+                        invalidPacket = true;
+                    }
+                }
+            }
+        }
+    }
+}

FFXIVClassic_Lobby_Server/utils/CharacterCreatorUtils.cs

@@ -14,7 +14,7 @@ namespace FFXIVClassic_Lobby_Server.utils
             { 3, new uint[]{79692890,0,0,0,0,0,0,0,31776,4448,1024,25824,6144,0,0,0,0,0,0,0,0,0} },                 //GLA
             { 4, new uint[]{147850310,0,0,0,0,0,0,23713,1184,10016,5472,1152,6144,0,0,0,0,0,0,0,0,0} },             //MRD
             { 7, new uint[]{210764860,236979210,0,0,0,231736320,0,0,9888,9984,1024,25824,6144,0,0,0,0,0,0,0,0,0} }, //ARC
-            { 8, new uint[]{210764860,0,0,0,0,0,0,0,13920,7200,1024,10656,6144,0,0,0,0,0,0,0,0,0} },                //LNC
+            { 8, new uint[]{168823858,0,0,0,0,0,0,0,13920,7200,1024,10656,6144,0,0,0,0,0,0,0,0,0} },                //LNC
 
             { 22, new uint[]{294650980,0,0,0,0,0,0,0,7744,5472,1024,5504,4096,0,0,0,0,0,0,0,0,0} },                 //THM
             { 23, new uint[]{347079700,0,0,0,0,0,0,0,4448,2240,1024,4416,4096,0,0,0,0,0,0,0,0,0} },                 //CNJ