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HenryLeCHenryLeC
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Program to encrypt and decrypt custom map .info files for Onward 1.7
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‎.gitignore‎

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.vs
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bin
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obj

‎CustomMapCracker.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎CustomMapCracker.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.14.36221.1 d17.14
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CustomMapCracker", "CustomMapCracker.csproj", "{EE45DE83-315B-2825-B964-8DCBE7854B27}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{EE45DE83-315B-2825-B964-8DCBE7854B27}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{EE45DE83-315B-2825-B964-8DCBE7854B27}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{EE45DE83-315B-2825-B964-8DCBE7854B27}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{EE45DE83-315B-2825-B964-8DCBE7854B27}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {2EDBB646-6DB9-4048-A5AE-B6298CE7057E}
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EndGlobalSection
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EndGlobal

‎Program.cs‎

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using System.Buffers.Text;
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using System.Text;
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static string Rot13(string value)
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{
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int shift = 13;
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char[] array = value.ToCharArray();
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for (int i = 0; i < array.Length; i++)
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{
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int num = array[i];
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switch (num)
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{
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case 110:
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case 111:
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case 112:
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case 113:
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case 114:
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case 115:
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case 116:
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case 117:
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case 118:
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case 119:
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case 120:
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case 121:
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case 122:
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num -= shift;
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break;
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case 97:
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case 98:
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case 99:
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case 100:
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case 101:
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case 102:
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case 103:
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case 104:
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case 105:
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case 106:
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case 107:
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case 108:
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case 109:
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num += shift;
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break;
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default:
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switch (num)
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{
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case 78:
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case 79:
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case 80:
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case 81:
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case 82:
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case 83:
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case 84:
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case 85:
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case 86:
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case 87:
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case 88:
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case 89:
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case 90:
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num -= shift;
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break;
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case 65:
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case 66:
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case 67:
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case 68:
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case 69:
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case 70:
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case 71:
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case 72:
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case 73:
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case 74:
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case 75:
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case 76:
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case 77:
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num += shift;
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break;
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}
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break;
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}
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array[i] = (char)num;
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}
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return new string(array);
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}
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static string DecryptInfo(string path)
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{
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var s = File.ReadAllText(path);
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s = Rot13(s.Substring(1));
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s = Encoding.UTF8.GetString(Convert.FromBase64String(s));
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return s;
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}
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static string EncryptInfo(string path)
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{
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var json = File.ReadAllText(path);
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var utf8 = Encoding.UTF8.GetBytes(json);
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var base64 = Convert.ToBase64String(utf8);
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var shifted = Rot13(base64);
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return "\0" + shifted;
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}
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string[] cli_args = Environment.GetCommandLineArgs();
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if (cli_args.Length == 4 && cli_args[1] == "decrypt")
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{
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string json = DecryptInfo(cli_args[2]);
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File.WriteAllText(cli_args[3], json);
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Console.WriteLine(json);
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} else if (cli_args.Length == 4 && cli_args[1] == "encrypt")
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{
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string bin = EncryptInfo(cli_args[2]);
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File.WriteAllText(cli_args[3], bin);
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} else
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{
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Console.WriteLine($"Command Line Usage: {cli_args[0]} (encrpyt|decrypt) in out");
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}

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