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Tutorial Unity How to edit/decrypt EasySave 3(.es3) Save Files

alberto64674yt

alberto64674yt

Newbie
Mar 27, 2020
20
13
Henry1887 said:
Is your game Mono or IL2CPP? What game are you trying it on? What error do you get?
Click to expand...
it was IL2CPP called denizen demo on steam, finally i managed with another unity explorer version to decrypt the save but i cant see the money variable on like 20k code lines so i just drop it :C and stopped trying to cheat
 
R

Rum1A

New Member
Aug 31, 2018
1
0
colinpyy said:
I got the password 'CYW0TLdJAGV7E3Hvh12f' of 廃トレーダーはサキュちゃんを救う by using dnspy, but the decrypted txt file is still garbled.
Oops, sorry, i forgot the GZip compression.
Click to expand...
Been trying to do the same thing for the game using that password, it works but when I put it in the game files it's a black screen
 
Last edited:
Henry1887

Henry1887

Member
Aug 2, 2020
348
354
zerosix06 said:
How you guys get the .es3 password? i want to know it and learn how to do it thanks.
Click to expand...
Well, my method of obtaining this password is by adding a "hook" to the games code( in my case just a Console.WriteLine) using DnSpy on Mono and UnityExplorer on IL2Cpp in combination with BepInEx to see the console output. This hook is added to a method that decrypts/encrypts your save file and the hook just prints an argument that is passed to this method(in this case the key to de/encrypt your save file) to the console.
 
Z

zerosix06

New Member
Nov 4, 2023
6
0
Henry1887 said:
Well, my method of obtaining this password is by adding a "hook" to the games code( in my case just a Console.WriteLine) using DnSpy on Mono and UnityExplorer on IL2Cpp in combination with BepInEx to see the console output. This hook is added to a method that decrypts/encrypts your save file and the hook just prints an argument that is passed to this method(in this case the key to de/encrypt your save file) to the console.
Click to expand...
I dont understand what you saying this time but im trying to learn about it. I wnat to learn about modding game data so i can easily finish the game in my offer wall and earn little cash from it. I hope you help me in my journey. Any recommendation or tips to start learning about this topic?
 
Henry1887

Henry1887

Member
Aug 2, 2020
348
354
zerosix06 said:
I dont understand what you saying this time but im trying to learn about it. I wnat to learn about modding game data so i can easily finish the game in my offer wall and earn little cash from it. I hope you help me in my journey. Any recommendation or tips to start learning about this topic?
Click to expand...
Well i dont claim to know much about it, i just set my goal and learnt on the way. If you wanna learn about unity game modding a starting point would probably be to learn C# and try to learn what BepInEx does and how you could use it. Oh and some knowledge about unity itself.
 
Z

zerosix06

New Member
Nov 4, 2023
6
0
Henry1887 said:
Well i dont claim to know much about it, i just set my goal and learnt on the way. If you wanna learn about unity game modding a starting point would probably be to learn C# and try to learn what BepInEx does and how you could use it. Oh and some knowledge about unity itself.
Click to expand...
thanks bro . can i pm you ?
 
leechurch

leechurch

Member
Oct 28, 2020
192
229
I've tried this with both unity explorer and the savehook method, for this game https://f95zone.to/threads/ukiyo-fantasy-fair-demo-fantasy-lab.184297/, but with the unity explorer I don't get a console opening up on launch, and with the savehook I get a console, but I don't see a password anywhere

I get this error in the console window

Code: 
[Error  :   BepInEx] Error loading [ES3SaveHook 1.0.0]: System.IO.FileNotFoundException: Could not load file or assembly 'EasySave3, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
File name: 'EasySave3, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'
   at System.Reflection.CustomAttribute._CreateCaObject(RuntimeModule pModule, RuntimeType type, IRuntimeMethodInfo pCtor, Byte** ppBlob, Byte* pEndBlob, Int32* pcNamedArgs)
   at System.Reflection.CustomAttribute.CreateCaObject(RuntimeModule module, RuntimeType type, IRuntimeMethodInfo ctor, IntPtr& blob, IntPtr blobEnd, Int32& namedArgs)
   at System.Reflection.CustomAttribute.AddCustomAttributes(ListBuilder`1& attributes, RuntimeModule decoratedModule, Int32 decoratedMetadataToken, RuntimeType attributeFilterType, Boolean mustBeInheritable, ListBuilder`1 derivedAttributes)
   at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeType type, RuntimeType caType, Boolean inherit)
   at System.RuntimeType.GetCustomAttributes(Boolean inherit)
   at HarmonyLib.HarmonyMethodExtensions.GetFromType(Type type)
   at HarmonyLib.PatchClassProcessor..ctor(Harmony instance, Type type, Boolean allowUnannotatedType)
   at HarmonyLib.PatchClassProcessor..ctor(Harmony instance, Type type)
   at HarmonyLib.Harmony.CreateClassProcessor(Type type)
   at HarmonyLib.Harmony.<PatchAll>b__11_0(Type type)
   at HarmonyLib.CollectionExtensions.Do[T](IEnumerable`1 sequence, Action`1 action)
   at HarmonyLib.Harmony.PatchAll(Assembly assembly)
   at HarmonyLib.Harmony.PatchAll()
   at MyBepInExPlugin.MyPlugin.Load()
   at BepInEx.Unity.IL2CPP.IL2CPPChainloader.LoadPlugin(PluginInfo pluginInfo, Assembly pluginAssembly) in /home/runner/work/BepInEx/BepInEx/Runtimes/Unity/BepInEx.Unity.IL2CPP/IL2CPPChainloader.cs:line 134
   at BepInEx.Bootstrap.BaseChainloader`1.LoadPlugins(IList`1 plugins) in /home/runner/work/BepInEx/BepInEx/BepInEx.Core/Bootstrap/BaseChainloader.cs:line 411
 
Henry1887

Henry1887

Member
Aug 2, 2020
348
354
leechurch said:
I've tried this with both unity explorer and the savehook method, for this game https://f95zone.to/threads/ukiyo-fantasy-fair-demo-fantasy-lab.184297/, but with the unity explorer I don't get a console opening up on launch, and with the savehook I get a console, but I don't see a password anywhere

I get this error in the console window

Code: 
[Error  :   BepInEx] Error loading [ES3SaveHook 1.0.0]: System.IO.FileNotFoundException: Could not load file or assembly 'EasySave3, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
File name: 'EasySave3, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'
   at System.Reflection.CustomAttribute._CreateCaObject(RuntimeModule pModule, RuntimeType type, IRuntimeMethodInfo pCtor, Byte** ppBlob, Byte* pEndBlob, Int32* pcNamedArgs)
   at System.Reflection.CustomAttribute.CreateCaObject(RuntimeModule module, RuntimeType type, IRuntimeMethodInfo ctor, IntPtr& blob, IntPtr blobEnd, Int32& namedArgs)
   at System.Reflection.CustomAttribute.AddCustomAttributes(ListBuilder`1& attributes, RuntimeModule decoratedModule, Int32 decoratedMetadataToken, RuntimeType attributeFilterType, Boolean mustBeInheritable, ListBuilder`1 derivedAttributes)
   at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeType type, RuntimeType caType, Boolean inherit)
   at System.RuntimeType.GetCustomAttributes(Boolean inherit)
   at HarmonyLib.HarmonyMethodExtensions.GetFromType(Type type)
   at HarmonyLib.PatchClassProcessor..ctor(Harmony instance, Type type, Boolean allowUnannotatedType)
   at HarmonyLib.PatchClassProcessor..ctor(Harmony instance, Type type)
   at HarmonyLib.Harmony.CreateClassProcessor(Type type)
   at HarmonyLib.Harmony.<PatchAll>b__11_0(Type type)
   at HarmonyLib.CollectionExtensions.Do[T](IEnumerable`1 sequence, Action`1 action)
   at HarmonyLib.Harmony.PatchAll(Assembly assembly)
   at HarmonyLib.Harmony.PatchAll()
   at MyBepInExPlugin.MyPlugin.Load()
   at BepInEx.Unity.IL2CPP.IL2CPPChainloader.LoadPlugin(PluginInfo pluginInfo, Assembly pluginAssembly) in /home/runner/work/BepInEx/BepInEx/Runtimes/Unity/BepInEx.Unity.IL2CPP/IL2CPPChainloader.cs:line 134
   at BepInEx.Bootstrap.BaseChainloader`1.LoadPlugins(IList`1 plugins) in /home/runner/work/BepInEx/BepInEx/BepInEx.Core/Bootstrap/BaseChainloader.cs:line 411
Click to expand...
Decryption Key for that game is: "dgs3FaghPoFjw3fgdUGE"

My mistake, i compiled the Plugin with references to "EasySave3.dll" which can be different for other games as it was for this game. The ES3 Stuff was in "Assembly-CSharp-firstpass.dll". I will upload the plugin for these games and update the tutorial. Thanks for reporting this!
 
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