feat: initial LicenseGenerator -- keygen, fingerprint, sign commands
Standalone .NET 4.7.2 console tool for NcProgramManager offline licensing. - keygen: RSA 2048-bit key pair generation - fingerprint: WMI machine fingerprint (Windows only) - sign: RSA-SHA256 sign fingerprint, write .lic file Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
dtrentin
commit
2ef68dd477
10 changed files with 284 additions and 0 deletions
7
.gitignore
vendored
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7
.gitignore
vendored
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bin/
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obj/
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.vs/
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*.user
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private.key.xml
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*.lic
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packages/
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44
Commands/FingerprintCommand.cs
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44
Commands/FingerprintCommand.cs
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using System;
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using System.Management;
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namespace LicenseGenerator.Commands
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{
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internal static class FingerprintCommand
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{
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// Windows + WMI only. Matches MachineFingerprint.GetFingerprint() logic.
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internal static void Execute()
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{
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try
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{
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string pcInfo = string.Empty;
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using (var mc = new ManagementClass("win32_processor"))
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using (ManagementObjectCollection moc = mc.GetInstances())
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{
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foreach (ManagementObject mo in moc)
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{
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pcInfo = mo.Properties["processorID"].Value.ToString();
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break;
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}
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}
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using (var searcher = new ManagementObjectSearcher(
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"root\\CIMV2", "SELECT * FROM Win32_BaseBoard"))
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{
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foreach (ManagementObject obj in searcher.Get())
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{
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pcInfo += obj["SerialNumber"].ToString();
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break;
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}
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}
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Console.WriteLine(pcInfo);
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}
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catch (Exception ex)
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{
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Console.Error.WriteLine("Error reading fingerprint (Windows + WMI required): " + ex.Message);
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Environment.Exit(1);
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}
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}
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}
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}
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24
Commands/KeygenCommand.cs
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24
Commands/KeygenCommand.cs
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using System;
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using System.IO;
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using System.Security.Cryptography;
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namespace LicenseGenerator.Commands
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{
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internal static class KeygenCommand
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{
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internal static void Execute()
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{
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using (var rsa = new RSACryptoServiceProvider(2048))
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{
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string privateXml = rsa.ToXmlString(true);
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string publicXml = rsa.ToXmlString(false);
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File.WriteAllText("private.key.xml", privateXml);
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Console.WriteLine("=== PUBLIC KEY XML -- paste into LicenseValidator.cs ===");
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Console.WriteLine(publicXml);
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Console.WriteLine("========================================================");
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Console.WriteLine("Private key saved: private.key.xml");
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Console.WriteLine("KEEP private.key.xml SECRET -- never distribute it.");
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}
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}
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}
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}
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36
Commands/SignCommand.cs
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36
Commands/SignCommand.cs
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using System;
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using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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namespace LicenseGenerator.Commands
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{
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internal static class SignCommand
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{
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internal static void Execute(InputArgs args)
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{
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if (string.IsNullOrEmpty(args.KeyPath))
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{
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Console.Error.WriteLine("Missing: -key=<path-to-private.key.xml>");
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Environment.Exit(1);
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}
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if (string.IsNullOrEmpty(args.Fingerprint))
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{
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Console.Error.WriteLine("Missing: -fingerprint=<machine-fingerprint>");
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Environment.Exit(1);
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}
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string privateXml = File.ReadAllText(args.KeyPath);
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byte[] data = Encoding.UTF8.GetBytes(args.Fingerprint);
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using (var rsa = new RSACryptoServiceProvider())
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{
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rsa.FromXmlString(privateXml);
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byte[] signature = rsa.SignData(data, new SHA256CryptoServiceProvider());
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string base64 = Convert.ToBase64String(signature);
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File.WriteAllText(args.OutPath, base64);
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Console.WriteLine("License written: " + args.OutPath);
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}
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}
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}
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}
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8
Dockerfile.build
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8
Dockerfile.build
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FROM mono:6.12
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WORKDIR /build
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RUN cert-sync /etc/ssl/certs/ca-certificates.crt
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COPY LicenseGenerator.csproj ./
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RUN nuget restore LicenseGenerator.csproj -NonInteractive 2>/dev/null || true
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COPY . .
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RUN msbuild LicenseGenerator.csproj /p:Configuration=Release /p:Platform=AnyCPU /v:minimal /nologo
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CMD mono bin/Release/LicenseGenerator.exe keygen
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38
InputArgs.cs
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38
InputArgs.cs
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namespace LicenseGenerator
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{
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internal class InputArgs
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{
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internal string Command { get; private set; }
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internal string KeyPath { get; private set; }
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internal string Fingerprint { get; private set; }
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internal string OutPath { get; private set; }
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private InputArgs() { }
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internal static InputArgs Parse(string[] args)
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{
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var result = new InputArgs
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{
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Command = args.Length > 0 ? args[0].ToLowerInvariant() : string.Empty,
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OutPath = "license.lic"
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};
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for (int i = 1; i < args.Length; i++)
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{
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string arg = args[i];
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int eq = arg.IndexOf('=');
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if (eq < 0) continue;
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string key = arg.Substring(0, eq).TrimStart('-').ToLowerInvariant();
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string val = arg.Substring(eq + 1);
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switch (key)
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{
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case "key": result.KeyPath = val; break;
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case "fingerprint": result.Fingerprint = val; break;
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case "out": result.OutPath = val; break;
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}
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}
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return result;
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}
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}
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}
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49
LicenseGenerator.csproj
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49
LicenseGenerator.csproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{A7B3C4D5-E6F7-4801-9ABC-DEF012345678}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<RootNamespace>LicenseGenerator</RootNamespace>
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<AssemblyName>LicenseGenerator</AssemblyName>
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<TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
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<Deterministic>true</Deterministic>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Management" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="InputArgs.cs" />
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="Commands\KeygenCommand.cs" />
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<Compile Include="Commands\FingerprintCommand.cs" />
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<Compile Include="Commands\SignCommand.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>
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22
LicenseGenerator.sln
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22
LicenseGenerator.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.28701.123
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LicenseGenerator", "LicenseGenerator.csproj", "{A7B3C4D5-E6F7-4801-9ABC-DEF012345678}"
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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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{A7B3C4D5-E6F7-4801-9ABC-DEF012345678}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{A7B3C4D5-E6F7-4801-9ABC-DEF012345678}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{A7B3C4D5-E6F7-4801-9ABC-DEF012345678}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{A7B3C4D5-E6F7-4801-9ABC-DEF012345678}.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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EndGlobal
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46
Program.cs
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46
Program.cs
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using System;
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using LicenseGenerator.Commands;
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namespace LicenseGenerator
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{
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internal class Program
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{
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private static void Main(string[] args)
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{
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var input = InputArgs.Parse(args);
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switch (input.Command)
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{
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case "keygen":
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KeygenCommand.Execute();
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break;
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case "fingerprint":
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FingerprintCommand.Execute();
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break;
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case "sign":
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SignCommand.Execute(input);
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break;
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default:
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PrintUsage();
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Environment.Exit(1);
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break;
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}
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}
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private static void PrintUsage()
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{
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Console.WriteLine("LicenseGenerator — NcProgramManager license tool");
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Console.WriteLine();
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Console.WriteLine("Commands:");
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Console.WriteLine(" keygen");
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Console.WriteLine(" Generate RSA 2048-bit key pair.");
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Console.WriteLine(" Writes private.key.xml to current dir.");
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Console.WriteLine(" Prints public key XML to stdout.");
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Console.WriteLine();
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Console.WriteLine(" fingerprint");
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Console.WriteLine(" Print machine fingerprint (Windows + WMI required).");
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Console.WriteLine();
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Console.WriteLine(" sign -key=<private.key.xml> -fingerprint=<fp> [-out=<license.lic>]");
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Console.WriteLine(" Sign machine fingerprint, write .lic file.");
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}
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}
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}
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10
Properties/AssemblyInfo.cs
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10
Properties/AssemblyInfo.cs
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using System.Reflection;
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using System.Runtime.InteropServices;
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[assembly: AssemblyTitle("LicenseGenerator")]
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[assembly: AssemblyDescription("NcProgramManager license generator tool")]
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[assembly: AssemblyProduct("LicenseGenerator")]
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[assembly: AssemblyCopyright("")]
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[assembly: ComVisible(false)]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]
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