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gowongowon
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Initial scaffolding.
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‎README.md‎

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# kryptera
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# kryptera
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Kryptera is a quick-and-dirty .NET Core Tool to encrypt and decrypt files using AEAD AES-256-GCM, as well as an encryption key generator. Kryptera means "encrypt" in Swedish.
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## Usage
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## License
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MIT

‎kryptera.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 = 16.0.31005.135
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kryptera.Tools", "src\Kryptera.Tools\Kryptera.Tools.csproj", "{7A3A3CE9-0F53-4CA7-BBD9-FFE63ECB3A64}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{730BE3AF-871D-4F7B-A5DB-B46D01A5BBA9}"
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ProjectSection(SolutionItems) = preProject
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README.md = README.md
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EndProjectSection
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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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{7A3A3CE9-0F53-4CA7-BBD9-FFE63ECB3A64}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{7A3A3CE9-0F53-4CA7-BBD9-FFE63ECB3A64}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{7A3A3CE9-0F53-4CA7-BBD9-FFE63ECB3A64}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{7A3A3CE9-0F53-4CA7-BBD9-FFE63ECB3A64}.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 = {D2AF9F7A-452F-484F-9812-2CA2C0461DA3}
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EndGlobalSection
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EndGlobal

‎kryptera.sln.DotSettings‎

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<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
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<s:Boolean x:Key="/Default/UserDictionary/Words/=Kryptera/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

‎src/Kryptera.Tools/CommandLine/CommandHandlerFactory.cs‎

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namespace Kryptera.Tools.CommandLine
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{
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using System.CommandLine.Invocation;
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using System.CommandLine.Parsing;
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using Commands;
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using MediatR;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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public static class CommandHandlerFactory
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{
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public static ICommandHandler CreateFor<TRequest>() where TRequest : ICommandLineRequest, new()
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{
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return CommandHandler.Create(async (IHost host, ParseResult parseResult) =>
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{
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var mediator = host.Services.GetRequiredService<IMediator>();
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var request = new TRequest();
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request.Map(parseResult);
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// ReSharper disable once SuspiciousTypeConversion.Global
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if (request is IRequest<int> returnRequest)
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{
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return await mediator.Send(returnRequest);
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}
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request.Map(parseResult);
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await mediator.Send(request);
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return 0;
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});
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}
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}
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}

‎src/Kryptera.Tools/CommandLine/DecryptCommand.cs‎

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namespace Kryptera.Tools.CommandLine
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{
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using System.CommandLine;
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using System.IO;
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using Commands;
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public class DecryptCommand : Command
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{
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internal static string CommandName = "decrypt";
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public DecryptCommand() : base(CommandName, "Decrypt a file or directory using AES-256-GCM")
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{
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Initialize();
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}
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protected void Initialize()
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{
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// arguments
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AddArgument(new Argument<FileSystemInfo>("source",
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"Specify the source file or directory")
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{Arity = ArgumentArity.ExactlyOne});
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// options
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AddOption(new Option<string>(new[] {"-k", "/k", "--key"},
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"Specify encryption key"));
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AddOption(new Option<FileSystemInfo>(new[] {"-o", "/o", "--output"},
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"Specify output file or directory"));
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AddOption(new Option<bool>(new[] {"-f", "/f", "--force"},
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"Overwrite existing files"));
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AddOption(new Option<bool>(new[] {"-c", "/c", "--console-only"},
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"Output the results to the console only"));
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// handler
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Handler = CommandHandlerFactory.CreateFor<DecryptFiles>();
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}
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}
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}

‎src/Kryptera.Tools/CommandLine/EncryptCommand.cs‎

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namespace Kryptera.Tools.CommandLine
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{
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using System.CommandLine;
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using System.IO;
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using Commands;
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public class EncryptCommand : Command
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{
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public static string CommandName = "encrypt";
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public EncryptCommand() : base(CommandName, "Encrypt a file or directory using AES-256-GCM")
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{
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Initialize();
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}
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protected void Initialize()
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{
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// arguments
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AddArgument(new Argument<FileSystemInfo>("source",
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"Specify the source file or directory")
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{Arity = ArgumentArity.ExactlyOne});
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// options
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AddOption(new Option<string>(new[] {"-k", "/k", "--key"},
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"Specify encryption key"));
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AddOption(new Option<FileSystemInfo>(new[] {"-o", "/o", "--output"},
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"Specify output file or directory"));
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AddOption(new Option<bool>(new[] {"-f", "/f", "--force"},
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"Overwrite existing files"));
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AddOption(new Option<bool>(new[] {"-c", "/c", "--console-only"},
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"Output the results to the console only"));
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// handler
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Handler = CommandHandlerFactory.CreateFor<EncryptFiles>();
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}
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}
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}

‎src/Kryptera.Tools/CommandLine/GenerateCommand.cs‎

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namespace Kryptera.Tools.CommandLine
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{
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using System.CommandLine;
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using Commands;
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public class GenerateCommand : Command
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{
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public static string CommandName = "generate";
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public GenerateCommand() : base(CommandName, "Generate a new AES-256 key")
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{
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Initialize();
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}
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protected void Initialize()
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{
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// handler
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Handler = CommandHandlerFactory.CreateFor<GenerateEncryptionKey>();
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}
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}
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}

‎src/Kryptera.Tools/CommandLine/KrypteraHelpBuilder.cs‎

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namespace Kryptera.Tools.CommandLine
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{
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using System;
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using System.CommandLine;
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using System.CommandLine.Help;
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using System.Drawing;
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using System.Reflection;
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using Pastel;
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public class KrypteraHelpBuilder : HelpBuilder
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{
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public static readonly Lazy<string> AssemblyVersion =
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new(() =>
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{
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var assembly = Assembly.GetEntryAssembly() ?? Assembly.GetExecutingAssembly();
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var assemblyVersionAttribute = assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
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return assemblyVersionAttribute is null
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? assembly.GetName().Version?.ToString()
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: assemblyVersionAttribute.InformationalVersion;
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});
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public KrypteraHelpBuilder(IConsole console) : base(console)
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{
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}
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public override void Write(ICommand command)
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{
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var color = Color.FromArgb(0, 119, 102); // teal
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var asciiArtStrings = new[]
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{
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"",
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$" {"@w".Pastel(color)}",
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$" {"\"".Pastel(color)}"
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};
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if (command.Name.Equals(KrypteraRootCommand.AssemblyName, StringComparison.OrdinalIgnoreCase))
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{
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//foreach (var line in asciiArtStrings)
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//{
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// System.Console.WriteLine(line);
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//}
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System.Console.WriteLine($"Kryptera {AssemblyVersion.Value.Pastel(Color.DarkOrange)}\n");
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}
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base.Write(command);
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}
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}
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}

‎src/Kryptera.Tools/CommandLine/KrypteraOptions.cs‎

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namespace Kryptera.Tools.CommandLine
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{
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using Microsoft.Extensions.Logging;
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public class KrypteraOptions
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{
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public LogLevel Verbosity { get; set; } = LogLevel.Warning;
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}
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}

‎src/Kryptera.Tools/CommandLine/KrypteraRootCommand.cs‎

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namespace Kryptera.Tools.CommandLine
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{
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using System.CommandLine;
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using System.CommandLine.Invocation;
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public class KrypteraRootCommand : RootCommand
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{
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public static string AssemblyName => typeof(KrypteraRootCommand).Assembly.GetName().Name!.ToLowerInvariant();
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public KrypteraRootCommand()
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{
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Initialize();
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}
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protected void Initialize()
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{
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Name = AssemblyName;
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AddCommand(new EncryptCommand());
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AddCommand(new DecryptCommand());
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AddCommand(new GenerateCommand());
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Handler = CommandHandler.Create<IConsole>(console =>
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{
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new KrypteraHelpBuilder(console).Write(this);
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});
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}
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}
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}

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