Findings

3 files changed, 49 insertions, 46 deletions

diff --git a/Scripts/010 Editor/ctb_decrypted.bt b/Scripts/010 Editor/ctb_decrypted.bt
index a30b8fc..85ff9b7 100644
--- a/Scripts/010 Editor/ctb_decrypted.bt
+++ b/Scripts/010 Editor/ctb_decrypted.bt
@@ -26,11 +26,11 @@ struct HEADER {
 FSeek(header.HeaderOffset);
 
 struct DECRYPTED_HEADER {
-    uint64 checksumValue;
+    uint64 ChecksumValue;
     uint LayerTableOffset;
-    float SizeX;
-    float SizeY;
-    float SizeZ;
+    float DisplayWidth;
+    float DisplayHeight;
+    float MachineZ;
     uint Padding1;
 	uint Padding2;
     float TotalHeightMilimeter;
@@ -45,7 +45,7 @@ struct DECRYPTED_HEADER {
     uint LargePreviewOffset;
     uint SmallPreviewOffset;
     uint PrintTime;
-    uint unknown5;
+    uint ProjectorType;
     float BottomLiftHeight;
     float BottomLiftSpeed;
     float LiftHeight;
@@ -76,10 +76,10 @@ struct DECRYPTED_HEADER {
     uint unknown15;
     float BottomRetractSpeed;
     float BottomRetractSpeed2;
-    uint unknown15;
-    float unknown16;
-    uint unknown17;
-    float unknown18;
+    uint Four1;
+    float Padding1;
+    uint Four2;
+    float Padding2;
     float RestTimeAfterRetract;
     float RestTimeAfterLift;
     float RestTimeBeforeLift;
diff --git a/UVtools.Core/FileFormats/CTBEncryptedFile.cs b/UVtools.Core/FileFormats/CTBEncryptedFile.cs
index 800ecb0..e7f9a17 100644
--- a/UVtools.Core/FileFormats/CTBEncryptedFile.cs
+++ b/UVtools.Core/FileFormats/CTBEncryptedFile.cs
@@ -28,11 +28,10 @@ namespace UVtools.Core.FileFormats
         private const string CTB_DISCLAIMER = "Layout and record format for the ctb and cbddlp file types are the copyrighted programs or codes of CBD Technology (China) Inc..The Customer or User shall not in any manner reproduce, distribute, modify, decompile, disassemble, decrypt, extract, reverse engineer, lease, assign, or sublicense the said programs or codes.";
         private const ushort CTB_DISCLAIMER_SIZE = 320;
 
-        public const byte HashLength = 32;
-        public const uint LayerXorKey = 0xEFBEADDE;
-
-        public static readonly byte[] ThinK = new byte[0x20];
+        public const byte HASH_LENGTH = 32;
+        public const uint LAYER_XOR_KEY = 0xEFBEADDE;
 
+        public static readonly byte[] Kong = new byte[0x20];
         public static readonly byte[] CookieMonster = new byte[0x10];
 
         #endregion
@@ -65,7 +64,10 @@ namespace UVtools.Core.FileFormats
         {
             private string _machineName;
 
-            [FieldOrder(0)] public ulong ChecksumValue { get; set; }
+            /// <summary>
+            /// Checksum of unix timestamp
+            /// </summary>
+            [FieldOrder(0)] public ulong ChecksumValue { get; set; } = 0xCAFEBABE;
             [FieldOrder(1)] public uint LayerTableOffset { get; set; }
             [FieldOrder(2)] public float DisplayWidth { get; set; }
             [FieldOrder(3)] public float DisplayHeight { get; set; }
@@ -84,7 +86,7 @@ namespace UVtools.Core.FileFormats
             [FieldOrder(16)] public uint LargePreviewOffset { get; set; }
             [FieldOrder(17)] public uint SmallPreviewOffset { get; set; }
             [FieldOrder(18)] public uint PrintTime { get; set; }
-            [FieldOrder(19)] public uint Unknown5 { get; set; } = 1;
+            [FieldOrder(19)] public uint ProjectorType { get; set; }
             [FieldOrder(20)] public float BottomLiftHeight { get; set; }
             [FieldOrder(21)] public float BottomLiftSpeed { get; set; }
             [FieldOrder(22)] public float LiftHeight { get; set; }
@@ -112,31 +114,31 @@ namespace UVtools.Core.FileFormats
             [FieldOrder(44)] public uint Unknown14 { get; set; } = 8;
             [FieldOrder(45)] public float RestTimeAfterRetract { get; set; }
             [FieldOrder(46)] public float RestTimeAfterLift2 { get; set; }
-            [FieldOrder(47)] public uint Unknown15;
+            [FieldOrder(47)] public uint Unknown15 { get; set; }
             [FieldOrder(48)] public float BottomRetractSpeed { get; set; }
             [FieldOrder(49)] public float BottomRetractSpeed2 { get; set; }
-            [FieldOrder(50)] public uint Unknown16 { get; set; } = 4;
-            [FieldOrder(51)] public float Unknown17 { get; set; }
-            [FieldOrder(52)] public uint Unknown18 { get; set; } = 4;
-            [FieldOrder(53)] public float Unknown19 { get; set; }
+            [FieldOrder(50)] public uint Four1 { get; set; } = 4; // Same as CTBv4.PrintParametersV4.Four1)
+            [FieldOrder(51)] public float Padding1 { get; set; }
+            [FieldOrder(52)] public uint Four2 { get; set; } = 4; // Same as CTBv4.PrintParametersV4.Four2)
+            [FieldOrder(53)] public float Padding2 { get; set; }
             [FieldOrder(54)] public float RestTimeAfterRetract2 { get; set; }
             [FieldOrder(55)] public float RestTimeAfterLift3 { get; set; }
             [FieldOrder(56)] public float RestTimeBeforeLift { get; set; }
             [FieldOrder(57)] public float BottomRetractHeight2 { get; set; }
-            [FieldOrder(58)] public float Unknown23 { get; set; }
-            [FieldOrder(59)] public uint Unknown24 { get; set; }
-            [FieldOrder(60)] public uint Unknown25 { get; set; } = 4;
+            [FieldOrder(58)] public float Unknown23 { get; set; } // Same as CTBv4.PrintParametersV4.Unknown1)
+            [FieldOrder(59)] public uint Unknown24 { get; set; } //  Same as  CTBv4.PrintParametersV4.Unknown2)
+            [FieldOrder(60)] public uint Unknown25 { get; set; } = 4; // Same as CTBv4.PrintParametersV4.Unknown3)
             [FieldOrder(61)] public uint LastLayerIndex { get; set; }
-            [FieldOrder(62)] public uint Padding1 { get; set; }
-            [FieldOrder(63)] public uint Padding2 { get; set; }
-            [FieldOrder(64)] public uint Padding3 { get; set; }
-            [FieldOrder(65)] public uint Padding4 { get; set; }
+            [FieldOrder(62)] public uint Padding3 { get; set; }
+            [FieldOrder(63)] public uint Padding4 { get; set; }
+            [FieldOrder(64)] public uint Padding5 { get; set; }
+            [FieldOrder(65)] public uint Padding6 { get; set; }
             [FieldOrder(66)] public uint DisclaimerOffset { get; set; }
             [FieldOrder(67)] public uint DisclaimerSize { get; set; }
-            [FieldOrder(68)] public uint Padding5 { get; set; }
-            [FieldOrder(69)] public uint Padding6 { get; set; }
-            [FieldOrder(70)] public uint Padding7 { get; set; }
-            [FieldOrder(71)] public uint Padding8 { get; set; }
+            [FieldOrder(68)] public uint Padding7 { get; set; }
+            [FieldOrder(69)] public uint Padding8 { get; set; }
+            [FieldOrder(70)] public uint Padding9 { get; set; }
+            [FieldOrder(71)] public uint Padding10 { get; set; }
 
             [Ignore]
             public string MachineName
@@ -151,7 +153,7 @@ namespace UVtools.Core.FileFormats
 
             public override string ToString()
             {
-                return $"{nameof(_machineName)}: {_machineName}, {nameof(Unknown15)}: {Unknown15}, {nameof(ChecksumValue)}: {ChecksumValue}, {nameof(LayerTableOffset)}: {LayerTableOffset}, {nameof(DisplayWidth)}: {DisplayWidth}, {nameof(DisplayHeight)}: {DisplayHeight}, {nameof(MachineZ)}: {MachineZ}, {nameof(Unknown1)}: {Unknown1}, {nameof(Unknown2)}: {Unknown2}, {nameof(TotalHeightMillimeter)}: {TotalHeightMillimeter}, {nameof(LayerHeight)}: {LayerHeight}, {nameof(ExposureTime)}: {ExposureTime}, {nameof(BottomExposureTime)}: {BottomExposureTime}, {nameof(LightOffDelay)}: {LightOffDelay}, {nameof(BottomLayerCount)}: {BottomLayerCount}, {nameof(ResolutionX)}: {ResolutionX}, {nameof(ResolutionY)}: {ResolutionY}, {nameof(LayerCount)}: {LayerCount}, {nameof(LargePreviewOffset)}: {LargePreviewOffset}, {nameof(SmallPreviewOffset)}: {SmallPreviewOffset}, {nameof(PrintTime)}: {PrintTime}, {nameof(Unknown5)}: {Unknown5}, {nameof(BottomLiftHeight)}: {BottomLiftHeight}, {nameof(BottomLiftSpeed)}: {BottomLiftSpeed}, {nameof(LiftHeight)}: {LiftHeight}, {nameof(LiftSpeed)}: {LiftSpeed}, {nameof(RetractSpeed)}: {RetractSpeed}, {nameof(MaterialMilliliters)}: {MaterialMilliliters}, {nameof(MaterialGrams)}: {MaterialGrams}, {nameof(MaterialCost)}: {MaterialCost}, {nameof(BottomLightOffDelay)}: {BottomLightOffDelay}, {nameof(Unknown9)}: {Unknown9}, {nameof(LightPWM)}: {LightPWM}, {nameof(BottomLightPWM)}: {BottomLightPWM}, {nameof(LayerXorKey)}: {LayerXorKey}, {nameof(BottomLiftHeight2)}: {BottomLiftHeight2}, {nameof(BottomLiftSpeed2)}: {BottomLiftSpeed2}, {nameof(LiftHeight2)}: {LiftHeight2}, {nameof(LiftSpeed2)}: {LiftSpeed2}, {nameof(RetractHeight2)}: {RetractHeight2}, {nameof(RetractSpeed2)}: {RetractSpeed2}, {nameof(RestTimeAfterLift)}: {RestTimeAfterLift}, {nameof(MachineNameOffset)}: {MachineNameOffset}, {nameof(MachineNameSize)}: {MachineNameSize}, {nameof(Unknown12)}: {Unknown12}, {nameof(Unknown13)}: {Unknown13}, {nameof(Unknown14)}: {Unknown14}, {nameof(RestTimeAfterRetract)}: {RestTimeAfterRetract}, {nameof(RestTimeAfterLift2)}: {RestTimeAfterLift2}, {nameof(BottomRetractSpeed)}: {BottomRetractSpeed}, {nameof(BottomRetractSpeed2)}: {BottomRetractSpeed2}, {nameof(Unknown16)}: {Unknown16}, {nameof(Unknown17)}: {Unknown17}, {nameof(Unknown18)}: {Unknown18}, {nameof(Unknown19)}: {Unknown19}, {nameof(RestTimeAfterRetract2)}: {RestTimeAfterRetract2}, {nameof(RestTimeAfterLift3)}: {RestTimeAfterLift3}, {nameof(RestTimeBeforeLift)}: {RestTimeBeforeLift}, {nameof(BottomRetractHeight2)}: {BottomRetractHeight2}, {nameof(Unknown23)}: {Unknown23}, {nameof(Unknown24)}: {Unknown24}, {nameof(Unknown25)}: {Unknown25}, {nameof(LastLayerIndex)}: {LastLayerIndex}, {nameof(Padding1)}: {Padding1}, {nameof(Padding2)}: {Padding2}, {nameof(Padding3)}: {Padding3}, {nameof(Padding4)}: {Padding4}, {nameof(DisclaimerOffset)}: {DisclaimerOffset}, {nameof(DisclaimerSize)}: {DisclaimerSize}, {nameof(Padding5)}: {Padding5}, {nameof(Padding6)}: {Padding6}, {nameof(Padding7)}: {Padding7}, {nameof(Padding8)}: {Padding8}, {nameof(MachineName)}: {MachineName}";
+                return $"{nameof(_machineName)}: {_machineName}, {nameof(Unknown15)}: {Unknown15}, {nameof(ChecksumValue)}: {ChecksumValue}, {nameof(LayerTableOffset)}: {LayerTableOffset}, {nameof(DisplayWidth)}: {DisplayWidth}, {nameof(DisplayHeight)}: {DisplayHeight}, {nameof(MachineZ)}: {MachineZ}, {nameof(Unknown1)}: {Unknown1}, {nameof(Unknown2)}: {Unknown2}, {nameof(TotalHeightMillimeter)}: {TotalHeightMillimeter}, {nameof(LayerHeight)}: {LayerHeight}, {nameof(ExposureTime)}: {ExposureTime}, {nameof(BottomExposureTime)}: {BottomExposureTime}, {nameof(LightOffDelay)}: {LightOffDelay}, {nameof(BottomLayerCount)}: {BottomLayerCount}, {nameof(ResolutionX)}: {ResolutionX}, {nameof(ResolutionY)}: {ResolutionY}, {nameof(LayerCount)}: {LayerCount}, {nameof(LargePreviewOffset)}: {LargePreviewOffset}, {nameof(SmallPreviewOffset)}: {SmallPreviewOffset}, {nameof(PrintTime)}: {PrintTime}, {nameof(ProjectorType)}: {ProjectorType}, {nameof(BottomLiftHeight)}: {BottomLiftHeight}, {nameof(BottomLiftSpeed)}: {BottomLiftSpeed}, {nameof(LiftHeight)}: {LiftHeight}, {nameof(LiftSpeed)}: {LiftSpeed}, {nameof(RetractSpeed)}: {RetractSpeed}, {nameof(MaterialMilliliters)}: {MaterialMilliliters}, {nameof(MaterialGrams)}: {MaterialGrams}, {nameof(MaterialCost)}: {MaterialCost}, {nameof(BottomLightOffDelay)}: {BottomLightOffDelay}, {nameof(Unknown9)}: {Unknown9}, {nameof(LightPWM)}: {LightPWM}, {nameof(BottomLightPWM)}: {BottomLightPWM}, {nameof(LayerXorKey)}: {LayerXorKey}, {nameof(BottomLiftHeight2)}: {BottomLiftHeight2}, {nameof(BottomLiftSpeed2)}: {BottomLiftSpeed2}, {nameof(LiftHeight2)}: {LiftHeight2}, {nameof(LiftSpeed2)}: {LiftSpeed2}, {nameof(RetractHeight2)}: {RetractHeight2}, {nameof(RetractSpeed2)}: {RetractSpeed2}, {nameof(RestTimeAfterLift)}: {RestTimeAfterLift}, {nameof(MachineNameOffset)}: {MachineNameOffset}, {nameof(MachineNameSize)}: {MachineNameSize}, {nameof(Unknown12)}: {Unknown12}, {nameof(Unknown13)}: {Unknown13}, {nameof(Unknown14)}: {Unknown14}, {nameof(RestTimeAfterRetract)}: {RestTimeAfterRetract}, {nameof(RestTimeAfterLift2)}: {RestTimeAfterLift2}, {nameof(BottomRetractSpeed)}: {BottomRetractSpeed}, {nameof(BottomRetractSpeed2)}: {BottomRetractSpeed2}, {nameof(Four1)}: {Four1}, {nameof(Padding1)}: {Padding1}, {nameof(Four2)}: {Four2}, {nameof(Padding2)}: {Padding2}, {nameof(RestTimeAfterRetract2)}: {RestTimeAfterRetract2}, {nameof(RestTimeAfterLift3)}: {RestTimeAfterLift3}, {nameof(RestTimeBeforeLift)}: {RestTimeBeforeLift}, {nameof(BottomRetractHeight2)}: {BottomRetractHeight2}, {nameof(Unknown23)}: {Unknown23}, {nameof(Unknown24)}: {Unknown24}, {nameof(Unknown25)}: {Unknown25}, {nameof(LastLayerIndex)}: {LastLayerIndex}, {nameof(Padding3)}: {Padding3}, {nameof(Padding4)}: {Padding4}, {nameof(Padding5)}: {Padding5}, {nameof(Padding6)}: {Padding6}, {nameof(DisclaimerOffset)}: {DisclaimerOffset}, {nameof(DisclaimerSize)}: {DisclaimerSize}, {nameof(Padding7)}: {Padding7}, {nameof(Padding8)}: {Padding8}, {nameof(Padding9)}: {Padding9}, {nameof(Padding10)}: {Padding10}, {nameof(MachineName)}: {MachineName}";
             }
         }
 
@@ -713,16 +715,15 @@ namespace UVtools.Core.FileFormats
             set => base.MachineZ = Settings.MachineZ = (float)Math.Round(value, 2);
         }
 
-        /* TODO: Find ProjectorType in file */
-        /* public override bool DisplayMirror
+        public override bool DisplayMirror
         {
-            get => HeaderSettings.ProjectorType > 0;
+            get => Settings.ProjectorType > 0;
             set
             {
-                HeaderSettings.ProjectorType = value ? 1u : 0;
+                Settings.ProjectorType = value ? 1u : 0;
                 RaisePropertyChanged();
             }
-        }*/
+        }
 
         /* TODO: Find AntiAliasLevel in file */
         /*
@@ -1069,7 +1070,7 @@ namespace UVtools.Core.FileFormats
             inputFile.Seek(Header.SettingsOffset, SeekOrigin.Begin);
             
             var encryptedBlock = inputFile.ReadBytes(Header.SettingsSize); 
-            using (var ms = CryptExtensions.AesCryptMemoryStream(encryptedBlock, ThinK, CipherMode.CBC, PaddingMode.None, false, CookieMonster))
+            using (var ms = CryptExtensions.AesCryptMemoryStream(encryptedBlock, Kong, CipherMode.CBC, PaddingMode.None, false, CookieMonster))
             {
                 Settings = Helpers.Deserialize<SlicerSettings>(ms);
                 BottomLayerCount = (ushort)Settings.BottomLayerCount;
@@ -1083,10 +1084,10 @@ namespace UVtools.Core.FileFormats
             /* validate hash */
             var checksumBytes = BitExtensions.ToBytesLittleEndian(Settings.ChecksumValue);
             var checksumHash = CryptExtensions.ComputeSHA256Hash(checksumBytes);
-            var encryptedHash = CryptExtensions.AesCryptBytes(checksumHash, ThinK, CipherMode.CBC, PaddingMode.None, true, CookieMonster);
+            var encryptedHash = CryptExtensions.AesCryptBytes(checksumHash, Kong, CipherMode.CBC, PaddingMode.None, true, CookieMonster);
 
-            inputFile.Seek(-HashLength, SeekOrigin.End);
-            var hash = inputFile.ReadBytes(HashLength);
+            inputFile.Seek(-HASH_LENGTH, SeekOrigin.End);
+            var hash = inputFile.ReadBytes(HASH_LENGTH);
             if (!hash.SequenceEqual(encryptedHash))
             {
                 throw new FileLoadException("The file checksum does not match, malformed file.", fileFullPath);
@@ -1165,7 +1166,7 @@ namespace UVtools.Core.FileFormats
                         var byteBuffer = new byte[layerDef.EncryptedDataLength];
                         Array.Copy(layerDef.RLEData, (int)layerDef.EncryptedDataOffset, byteBuffer, 0, (int)layerDef.EncryptedDataLength);
 
-                        byteBuffer = CryptExtensions.AesCryptBytes(byteBuffer, ThinK, CipherMode.CBC, PaddingMode.None, false, CookieMonster);
+                        byteBuffer = CryptExtensions.AesCryptBytes(byteBuffer, Kong, CipherMode.CBC, PaddingMode.None, false, CookieMonster);
                         Array.Copy(byteBuffer, 0, layerDef.RLEData, layerDef.EncryptedDataOffset, layerDef.EncryptedDataLength);
                     }
 
@@ -1236,7 +1237,7 @@ namespace UVtools.Core.FileFormats
             Header.Magic = MAGIC_CBT_ENCRYPTED;
             Header.SettingsSize = (uint)Helpers.Serializer.SizeOf(Settings);
             Header.SettingsOffset = (uint)Helpers.Serializer.SizeOf(Header);
-            Header.Unknown2 = 0x4;
+            Header.Unknown2 = 4;
             Header.Unknown4 = 1;
             Header.Unknown5 = 1;
             Header.Unknown5 = 42;
@@ -1244,7 +1245,7 @@ namespace UVtools.Core.FileFormats
 
             if (Settings.LayerXorKey == 0)
             {
-                Settings.LayerXorKey = LayerXorKey;
+                Settings.LayerXorKey = LAYER_XOR_KEY;
             }
 
             outputFile.Seek(Header.SettingsOffset + Header.SettingsSize, SeekOrigin.Begin);
@@ -1328,7 +1329,7 @@ namespace UVtools.Core.FileFormats
             
             /* write the final hash */
             var hash = CryptExtensions.ComputeSHA256Hash(BitExtensions.ToBytesLittleEndian(Settings.ChecksumValue));
-            var encryptedHash = CryptExtensions.AesCryptBytes(hash, ThinK, CipherMode.CBC, PaddingMode.None, true, CookieMonster);
+            var encryptedHash = CryptExtensions.AesCryptBytes(hash, Kong, CipherMode.CBC, PaddingMode.None, true, CookieMonster);
             Header.SignatureOffset = (uint)outputFile.Position;
             Header.SignatureSize = (uint)encryptedHash.Length;
             outputFile.WriteBytes(encryptedHash);
@@ -1340,7 +1341,7 @@ namespace UVtools.Core.FileFormats
             // Settings
             outputFile.Seek(Header.SettingsOffset, SeekOrigin.Begin);
             var settingsBytes = Helpers.Serialize(Settings).ToArray();
-            var encryptedSettings = CryptExtensions.AesCryptBytes(settingsBytes, ThinK, CipherMode.CBC, PaddingMode.None, true, CookieMonster);
+            var encryptedSettings = CryptExtensions.AesCryptBytes(settingsBytes, Kong, CipherMode.CBC, PaddingMode.None, true, CookieMonster);
             outputFile.WriteBytes(encryptedSettings);
             
             // Layer table
diff --git a/UVtools.Core/FileFormats/FileFormat.cs b/UVtools.Core/FileFormats/FileFormat.cs
index 4bf769c..c7b6c17 100644
--- a/UVtools.Core/FileFormats/FileFormat.cs
+++ b/UVtools.Core/FileFormats/FileFormat.cs
@@ -278,7 +278,9 @@ namespace UVtools.Core.FileFormats
             new SL1File(),      // Prusa SL1
             new ChituboxZipFile(), // Zip
             new ChituboxFile(), // cbddlp, cbt, photon
+#if DEBUG
             new CTBEncryptedFile(), // Mars 3, Epax 5k
+#endif
             new PhotonSFile(), // photons
             new PHZFile(), // phz
             new FDGFile(), // fdg