Moved git root and added deggl-build environment
This commit is contained in:
Leonetienne
parent
719bd5b7db
commit
13d2e87ebd
156
ExampleApp/ExampleApp.vcxproj
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156
ExampleApp/ExampleApp.vcxproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<VCProjectVersion>16.0</VCProjectVersion>
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<Keyword>Win32Proj</Keyword>
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||||||
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<ProjectGuid>{b9a390ac-f382-42e6-92dd-3321293e7c27}</ProjectGuid>
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<RootNamespace>ExampleApp</RootNamespace>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="Shared">
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<LinkIncremental>true</LinkIncremental>
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<IncludePath>$(SolutionDir)/GhettoCrypt;$(VC_IncludePath);$(WindowsSDK_IncludePath)</IncludePath>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<LinkIncremental>false</LinkIncremental>
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<IncludePath>$(SolutionDir)/GhettoCrypt;$(VC_IncludePath);$(WindowsSDK_IncludePath)</IncludePath>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<LinkIncremental>true</LinkIncremental>
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<IncludePath>$(SolutionDir)/GhettoCrypt;$(VC_IncludePath);$(WindowsSDK_IncludePath)</IncludePath>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<LinkIncremental>false</LinkIncremental>
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<IncludePath>$(SolutionDir)/GhettoCrypt;$(VC_IncludePath);$(WindowsSDK_IncludePath)</IncludePath>
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</PropertyGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="main.cpp" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\GhettoCrypt\GhettoCrypt.vcxproj">
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<Project>{2b2cf665-f5e6-44db-961f-fc81c88a356d}</Project>
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</ProjectReference>
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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22
ExampleApp/ExampleApp.vcxproj.filters
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22
ExampleApp/ExampleApp.vcxproj.filters
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@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
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<Filter Include="Quelldateien">
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<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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<Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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</Filter>
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<Filter Include="Headerdateien">
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<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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<Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
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</Filter>
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<Filter Include="Ressourcendateien">
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<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="main.cpp">
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<Filter>Quelldateien</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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45
ExampleApp/main.cpp
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ExampleApp/main.cpp
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#pragma once
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#include <iostream>
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#include <GhettoCipherWrapper.h>
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using namespace GhettoCipher;
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void ExampleString()
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{
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std::cout << "Example on how to encrypt & decrypt a string:" << std::endl;
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// Get some string
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const std::string input = "I am a super secret message!";
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std::cout << input << std::endl;
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// Encrypt
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const std::string encrypted = GhettoCryptWrapper::EncryptString(input, "password1");
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std::cout << encrypted << std::endl;
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// Decrypt
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const std::string decrypted = GhettoCryptWrapper::DecryptString(encrypted, "password1");
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std::cout << decrypted << std::endl;
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return;
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}
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void ExampleFiles()
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{
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std::cout << "Example on how to encrypt & decrypt any file:" << std::endl;
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// Encrypt
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GhettoCryptWrapper::EncryptFile("main.cpp", "main.cpp.crypt", "password1");
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// Decrypt
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GhettoCryptWrapper::DecryptFile("main.cpp.crypt", "main.cpp.clear", "password1");
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return;
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}
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int main()
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{
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ExampleString();
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ExampleFiles();
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return 0;
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}
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41
GhettoCrypt.sln
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41
GhettoCrypt.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 = 16.0.30907.101
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "GhettoCrypt", "GhettoCrypt\GhettoCrypt.vcxproj", "{2B2CF665-F5E6-44DB-961F-FC81C88A356D}"
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ExampleApp", "ExampleApp\ExampleApp.vcxproj", "{B9A390AC-F382-42E6-92DD-3321293E7C27}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Debug|x64.ActiveCfg = Debug|x64
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Debug|x64.Build.0 = Debug|x64
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Debug|x86.ActiveCfg = Debug|Win32
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Debug|x86.Build.0 = Debug|Win32
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Release|x64.ActiveCfg = Release|x64
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Release|x64.Build.0 = Release|x64
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Release|x86.ActiveCfg = Release|Win32
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{2B2CF665-F5E6-44DB-961F-FC81C88A356D}.Release|x86.Build.0 = Release|Win32
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Debug|x64.ActiveCfg = Debug|x64
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Debug|x64.Build.0 = Debug|x64
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Debug|x86.ActiveCfg = Debug|Win32
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Debug|x86.Build.0 = Debug|Win32
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Release|x64.ActiveCfg = Release|x64
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Release|x64.Build.0 = Release|x64
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Release|x86.ActiveCfg = Release|Win32
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{B9A390AC-F382-42E6-92DD-3321293E7C27}.Release|x86.Build.0 = Release|Win32
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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 = {418C3728-070A-4171-8A02-17FEE780E015}
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EndGlobalSection
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EndGlobal
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@ -22,7 +22,7 @@
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<VCProjectVersion>16.0</VCProjectVersion>
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<VCProjectVersion>16.0</VCProjectVersion>
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<Keyword>Win32Proj</Keyword>
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<Keyword>Win32Proj</Keyword>
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<ProjectGuid>{2b2cf665-f5e6-44db-961f-fc81c88a356d}</ProjectGuid>
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<ProjectGuid>{2b2cf665-f5e6-44db-961f-fc81c88a356d}</ProjectGuid>
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||||||
<RootNamespace>Feistel</RootNamespace>
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<RootNamespace>GhettoCrypt</RootNamespace>
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||||||
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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<ProjectName>GhettoCrypt</ProjectName>
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<ProjectName>GhettoCrypt</ProjectName>
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</PropertyGroup>
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</PropertyGroup>
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425
INCLUDE/GhettoCipher.cpp
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425
INCLUDE/GhettoCipher.cpp
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#include "GhettoCipher.h"
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/*** ./../Feistel/Cipher.cpp ***/
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#include <iostream>
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GhettoCipher::Cipher::Cipher(const Block& key)
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:
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key { key }
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{
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return;
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}
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GhettoCipher::Cipher::Cipher(const std::string& password)
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{
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key = PasswordToKey(password);
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return;
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}
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GhettoCipher::Cipher::~Cipher()
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{
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// Clear key memory
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ZeroKeyMemory();
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return;
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}
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void GhettoCipher::Cipher::SetKey(const Block& key)
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{
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ZeroKeyMemory();
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this->key = key;
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return;
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}
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void GhettoCipher::Cipher::SetPassword(const std::string& password)
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{
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ZeroKeyMemory();
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key = PasswordToKey(password);
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return;
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}
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GhettoCipher::Flexblock GhettoCipher::Cipher::Encipher(const Flexblock& data, bool printProgress) const
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{
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// Split cleartext into blocks
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std::vector<Block> blocks;
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|
|
||||||
|
for (std::size_t i = 0; i < data.size(); i += BLOCK_SIZE)
|
||||||
|
blocks.push_back(Block(
|
||||||
|
PadStringToLength(data.substr(i, BLOCK_SIZE), BLOCK_SIZE, '0', false))
|
||||||
|
);
|
||||||
|
|
||||||
|
// Encrypt individual blocks using cipher block chaining
|
||||||
|
Feistel feistel(key);
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < blocks.size(); i++)
|
||||||
|
{
|
||||||
|
// Print reports if desired. If we have > 1000 blocks, print one report every 100 blocks. Otherwise for every 10th block.
|
||||||
|
if ((i % ((blocks.size() > 1000)? 100 : 10) == 0) && (printProgress))
|
||||||
|
std::cout << "Encrypting... (Block " << i << " / " << blocks.size() << " - " << ((float)i*100 / blocks.size()) << "%)" << std::endl;
|
||||||
|
|
||||||
|
const Block& lastBlock = (i>0) ? blocks[i-1] : emptyBlock;
|
||||||
|
blocks[i] = feistel.Encipher(blocks[i] ^ lastBlock);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Concatenate ciphertext blocks back into a flexblock
|
||||||
|
std::stringstream ss;
|
||||||
|
for (Block& b : blocks)
|
||||||
|
ss << b;
|
||||||
|
|
||||||
|
// Return it
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Flexblock GhettoCipher::Cipher::Decipher(const Flexblock& data, bool printProgress) const
|
||||||
|
{
|
||||||
|
// Split ciphertext into blocks
|
||||||
|
std::vector<Block> blocks;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < data.size(); i += BLOCK_SIZE)
|
||||||
|
blocks.push_back(Block(
|
||||||
|
PadStringToLength(data.substr(i, BLOCK_SIZE), BLOCK_SIZE, '0', false))
|
||||||
|
);
|
||||||
|
|
||||||
|
// Decrypt individual blocks
|
||||||
|
Feistel feistel(key);
|
||||||
|
|
||||||
|
// We can't do this in-loop for decryption, because we are decrypting the blocks in-place.
|
||||||
|
Block lastBlock = emptyBlock;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < blocks.size(); i++)
|
||||||
|
{
|
||||||
|
// Print reports if desired. If we have > 1000 blocks, print one report every 100 blocks. Otherwise for every 10th block.
|
||||||
|
if ((i % ((blocks.size() > 1000) ? 100 : 10) == 0) && (printProgress))
|
||||||
|
std::cout << "Decrypting... (Block " << i << " / " << blocks.size() << " - " << ((float)i*100/ blocks.size()) << "%)" << std::endl;
|
||||||
|
|
||||||
|
Block tmpCopy = blocks[i];
|
||||||
|
|
||||||
|
blocks[i] = feistel.Decipher(blocks[i]) ^ lastBlock;
|
||||||
|
|
||||||
|
lastBlock = std::move(tmpCopy);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Concatenate ciphertext blocks back into a flexblock
|
||||||
|
std::stringstream ss;
|
||||||
|
for (Block& b : blocks)
|
||||||
|
ss << b;
|
||||||
|
|
||||||
|
// Return it
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
#if defined _WIN32 || defined _WIN64
|
||||||
|
#pragma optimize("", off )
|
||||||
|
#endif
|
||||||
|
void GhettoCipher::Cipher::ZeroKeyMemory()
|
||||||
|
{
|
||||||
|
key.reset();
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
#if defined _WIN32 || defined _WIN64
|
||||||
|
#pragma optimize("", on )
|
||||||
|
#endif
|
||||||
|
|
||||||
|
const GhettoCipher::Block GhettoCipher::Cipher::emptyBlock;
|
||||||
|
|
||||||
|
|
||||||
|
/*** ./../Feistel/Feistel.cpp ***/
|
||||||
|
|
||||||
|
|
||||||
|
GhettoCipher::Feistel::Feistel(const Block& key)
|
||||||
|
{
|
||||||
|
SetKey(key);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Feistel::~Feistel()
|
||||||
|
{
|
||||||
|
ZeroKeyMemory();
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void GhettoCipher::Feistel::SetKey(const Block& key)
|
||||||
|
{
|
||||||
|
GenerateRoundKeys(key);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Block GhettoCipher::Feistel::Encipher(const Block& data) const
|
||||||
|
{
|
||||||
|
return Run(data, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Block GhettoCipher::Feistel::Decipher(const Block& data) const
|
||||||
|
{
|
||||||
|
return Run(data, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Block GhettoCipher::Feistel::Run(const Block& data, bool reverseKeys) const
|
||||||
|
{
|
||||||
|
const auto splitData = FeistelSplit(data);
|
||||||
|
GhettoCipher::Halfblock l = splitData.first;
|
||||||
|
GhettoCipher::Halfblock r = splitData.second;
|
||||||
|
|
||||||
|
Halfblock tmp;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < N_ROUNDS; i++)
|
||||||
|
{
|
||||||
|
// Calculate key index
|
||||||
|
std::size_t keyIndex;
|
||||||
|
if (reverseKeys)
|
||||||
|
keyIndex = N_ROUNDS - i - 1;
|
||||||
|
else
|
||||||
|
keyIndex = i;
|
||||||
|
|
||||||
|
// Do a feistel round
|
||||||
|
tmp = r;
|
||||||
|
r = l ^ F(r, roundKeys[keyIndex]);
|
||||||
|
l = tmp;
|
||||||
|
}
|
||||||
|
|
||||||
|
return FeistelCombine(r, l);
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Halfblock GhettoCipher::Feistel::F(Halfblock m, const Block& key)
|
||||||
|
{
|
||||||
|
// Made-up F function
|
||||||
|
|
||||||
|
// Expand to full bitwidth
|
||||||
|
Block m_expanded = ExpansionFunction(m);
|
||||||
|
|
||||||
|
// Shift to left by 1
|
||||||
|
m_expanded = Shiftl(m_expanded, 1);
|
||||||
|
|
||||||
|
// Xor with key
|
||||||
|
m_expanded ^= key;
|
||||||
|
|
||||||
|
// Non-linearly apply subsitution boxes
|
||||||
|
std::stringstream ss;
|
||||||
|
const std::string m_str = m_expanded.to_string();
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < m_str.size(); i += 4)
|
||||||
|
{
|
||||||
|
ss << SBox(m_str.substr(i, 4));
|
||||||
|
}
|
||||||
|
|
||||||
|
m_expanded = Block(ss.str());
|
||||||
|
|
||||||
|
// Return the compressed version
|
||||||
|
return CompressionFunction(m_expanded);
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<GhettoCipher::Halfblock, GhettoCipher::Halfblock> GhettoCipher::Feistel::FeistelSplit(const Block& block)
|
||||||
|
{
|
||||||
|
const std::string bits = block.to_string();
|
||||||
|
|
||||||
|
Halfblock l(bits.substr(0, bits.size() / 2));
|
||||||
|
Halfblock r(bits.substr(bits.size() / 2));
|
||||||
|
|
||||||
|
return std::make_pair(l, r);
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Block GhettoCipher::Feistel::FeistelCombine(const Halfblock& l, const Halfblock& r)
|
||||||
|
{
|
||||||
|
return Block(l.to_string() + r.to_string());
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Block GhettoCipher::Feistel::ExpansionFunction(const Halfblock& block)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
const std::string bits = block.to_string();
|
||||||
|
|
||||||
|
// We have to double the bits!
|
||||||
|
for (std::size_t i = 0; i < bits.size(); i += 2)
|
||||||
|
{
|
||||||
|
const std::string sub = bits.substr(i, 2);
|
||||||
|
|
||||||
|
if (sub == "00") ss << "1101";
|
||||||
|
else if (sub == "01") ss << "1000";
|
||||||
|
else if (sub == "10") ss << "0010";
|
||||||
|
else if (sub == "11") ss << "0111";
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
return Block(ss.str());
|
||||||
|
}
|
||||||
|
|
||||||
|
GhettoCipher::Halfblock GhettoCipher::Feistel::CompressionFunction(const Block& block)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
const std::string bits = block.to_string();
|
||||||
|
|
||||||
|
// We have to double the bits!
|
||||||
|
for (std::size_t i = 0; i < bits.size(); i += 4)
|
||||||
|
{
|
||||||
|
const std::string sub = bits.substr(i, 4);
|
||||||
|
|
||||||
|
if (sub == "0000") ss << "10";
|
||||||
|
else if (sub == "0001") ss << "01";
|
||||||
|
else if (sub == "0010") ss << "10";
|
||||||
|
else if (sub == "0011") ss << "10";
|
||||||
|
else if (sub == "0100") ss << "11";
|
||||||
|
else if (sub == "0101") ss << "01";
|
||||||
|
else if (sub == "0110") ss << "00";
|
||||||
|
else if (sub == "0111") ss << "11";
|
||||||
|
else if (sub == "1000") ss << "01";
|
||||||
|
else if (sub == "1001") ss << "00";
|
||||||
|
else if (sub == "1010") ss << "11";
|
||||||
|
else if (sub == "1011") ss << "00";
|
||||||
|
else if (sub == "1100") ss << "11";
|
||||||
|
else if (sub == "1101") ss << "10";
|
||||||
|
else if (sub == "1110") ss << "00";
|
||||||
|
else if (sub == "1111") ss << "01";
|
||||||
|
}
|
||||||
|
|
||||||
|
return Halfblock(ss.str());
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string GhettoCipher::Feistel::SBox(const std::string& in)
|
||||||
|
{
|
||||||
|
if (in == "0000") return "1100";
|
||||||
|
else if (in == "0001") return "1000";
|
||||||
|
else if (in == "0010") return "0001";
|
||||||
|
else if (in == "0011") return "0111";
|
||||||
|
else if (in == "0100") return "1011";
|
||||||
|
else if (in == "0101") return "0011";
|
||||||
|
else if (in == "0110") return "1101";
|
||||||
|
else if (in == "0111") return "1111";
|
||||||
|
else if (in == "1000") return "0000";
|
||||||
|
else if (in == "1001") return "1010";
|
||||||
|
else if (in == "1010") return "0100";
|
||||||
|
else if (in == "1011") return "1001";
|
||||||
|
else if (in == "1100") return "0010";
|
||||||
|
else if (in == "1101") return "1110";
|
||||||
|
else if (in == "1110") return "0101";
|
||||||
|
else /*if (in == "1111")*/ return "0110";
|
||||||
|
}
|
||||||
|
|
||||||
|
void GhettoCipher::Feistel::GenerateRoundKeys(const Block& seedKey)
|
||||||
|
{
|
||||||
|
// Generate round keys via output feedback modus (OFM) method
|
||||||
|
|
||||||
|
// Clear initial key memory
|
||||||
|
ZeroKeyMemory();
|
||||||
|
roundKeys = Keyset();
|
||||||
|
|
||||||
|
// Generate new keys from the seed key
|
||||||
|
roundKeys[0] = seedKey;
|
||||||
|
roundKeys[1] = (Shiftl(seedKey, 32) ^ roundKeys[0]);
|
||||||
|
|
||||||
|
for (std::size_t i = 2; i < roundKeys.size(); i++)
|
||||||
|
{
|
||||||
|
roundKeys[i] = Shiftl(roundKeys[i - 1], i + 32) ^ roundKeys[i - 2];
|
||||||
|
}
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
// These pragmas only work for MSVC, as far as i know. Beware!!!
|
||||||
|
#if defined _WIN32 || defined _WIN64
|
||||||
|
#pragma optimize("", off )
|
||||||
|
#endif
|
||||||
|
void GhettoCipher::Feistel::ZeroKeyMemory()
|
||||||
|
{
|
||||||
|
for (Block& key : roundKeys)
|
||||||
|
key.reset();
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
#if defined _WIN32 || defined _WIN64
|
||||||
|
#pragma optimize("", on )
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
/*** ./../Feistel/GhettoCipherWrapper.cpp ***/
|
||||||
|
|
||||||
|
|
||||||
|
std::string GhettoCipher::GhettoCryptWrapper::EncryptString(const std::string& cleartext, const std::string& password)
|
||||||
|
{
|
||||||
|
// Instanciate our cipher and supply a key
|
||||||
|
Cipher cipher(password);
|
||||||
|
|
||||||
|
// Recode the ascii-string to bits
|
||||||
|
const Flexblock cleartext_bits = StringToBits(cleartext);
|
||||||
|
|
||||||
|
// Encrypt our cleartext bits
|
||||||
|
const Flexblock ciphertext_bits = cipher.Encipher(cleartext_bits);
|
||||||
|
|
||||||
|
// Recode the ciphertext bits to a hex-string
|
||||||
|
const std::string ciphertext = BitsToHexstring(ciphertext_bits);
|
||||||
|
|
||||||
|
// Return it
|
||||||
|
return ciphertext;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string GhettoCipher::GhettoCryptWrapper::DecryptString(const std::string& ciphertext, const std::string& password)
|
||||||
|
{
|
||||||
|
// Instanciate our cipher and supply a key
|
||||||
|
Cipher cipher(password);
|
||||||
|
|
||||||
|
// Recode the hex-string to bits
|
||||||
|
const Flexblock ciphertext_bits = HexstringToBits(ciphertext);
|
||||||
|
|
||||||
|
// Decrypt the ciphertext bits
|
||||||
|
const std::string cleartext_bits = cipher.Decipher(ciphertext_bits);
|
||||||
|
|
||||||
|
// Recode the cleartext bits to an ascii-string
|
||||||
|
const std::string cleartext = BitsToString(cleartext_bits);
|
||||||
|
|
||||||
|
// Return it
|
||||||
|
return cleartext;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool GhettoCipher::GhettoCryptWrapper::EncryptFile(const std::string& filename_in, const std::string& filename_out, const std::string& password)
|
||||||
|
{
|
||||||
|
try
|
||||||
|
{
|
||||||
|
// Read the file to bits
|
||||||
|
const Flexblock cleartext_bits = ReadFileToBits(filename_in);
|
||||||
|
|
||||||
|
// Instanciate our cipher and supply a key
|
||||||
|
Cipher cipher(password);
|
||||||
|
|
||||||
|
// Encrypt our cleartext bits
|
||||||
|
const Flexblock ciphertext_bits = cipher.Encipher(cleartext_bits);
|
||||||
|
|
||||||
|
// Write our ciphertext bits to file
|
||||||
|
WriteBitsToFile(filename_out, ciphertext_bits);
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
catch (std::runtime_error&)
|
||||||
|
{
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool GhettoCipher::GhettoCryptWrapper::DecryptFile(const std::string& filename_in, const std::string& filename_out, const std::string& password)
|
||||||
|
{
|
||||||
|
try
|
||||||
|
{
|
||||||
|
// Read the file to bits
|
||||||
|
const Flexblock ciphertext_bits = ReadFileToBits(filename_in);
|
||||||
|
|
||||||
|
// Instanciate our cipher and supply a key
|
||||||
|
Cipher cipher(password);
|
||||||
|
|
||||||
|
// Decrypt the ciphertext bits
|
||||||
|
const Flexblock cleartext_bits = cipher.Decipher(ciphertext_bits);
|
||||||
|
|
||||||
|
// Write our cleartext bits to file
|
||||||
|
WriteBitsToFile(filename_out, cleartext_bits);
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
catch (std::runtime_error&)
|
||||||
|
{
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
447
INCLUDE/GhettoCipher.h
Normal file
447
INCLUDE/GhettoCipher.h
Normal file
@ -0,0 +1,447 @@
|
|||||||
|
#pragma once
|
||||||
|
|
||||||
|
/*** ./../Feistel/GhettoCipherWrapper.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
#include <string>
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
/** This class is a wrapper to make working with the GhettoCipher super easy with a python-like syntax
|
||||||
|
*/
|
||||||
|
class GhettoCryptWrapper
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
//! Will encrypt a string and return it hexadecimally encoded.
|
||||||
|
static std::string EncryptString(const std::string& cleartext, const std::string& password);
|
||||||
|
|
||||||
|
//! Will decrypt a hexadecimally encoded string.
|
||||||
|
static std::string DecryptString(const std::string& ciphertext, const std::string& password);
|
||||||
|
|
||||||
|
//! Will encrypt a file.
|
||||||
|
//! Returns false if anything goes wrong (like, file-access).
|
||||||
|
//! @filename_in The file to be read.
|
||||||
|
//! @filename_out The file the encrypted version should be saved in.
|
||||||
|
static bool EncryptFile(const std::string& filename_in, const std::string& filename_out, const std::string& password);
|
||||||
|
|
||||||
|
//! Will decrypt a file.
|
||||||
|
//! Returns false if anything goes wrong (like, file-access).
|
||||||
|
//! @filename_in The file to be read.
|
||||||
|
//! @filename_out The file the decrypted version should be saved in.
|
||||||
|
static bool DecryptFile(const std::string& filename_in, const std::string& filename_out, const std::string& password);
|
||||||
|
|
||||||
|
private:
|
||||||
|
// No instanciation! >:(
|
||||||
|
GhettoCryptWrapper();
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Flexblock.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
#include <vector>
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
//! A "bitset" of variable length
|
||||||
|
typedef std::string Flexblock;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Config.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
constexpr int BLOCK_SIZE = 128;
|
||||||
|
constexpr int N_ROUNDS = 64;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Halfblock.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
#include <bitset>
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
constexpr int HALFBLOCK_SIZE = (BLOCK_SIZE / 2);
|
||||||
|
typedef std::bitset<HALFBLOCK_SIZE> Halfblock;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Block.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
#include <bitset>
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
typedef std::bitset<BLOCK_SIZE> Block;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Util.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
#include <bitset>
|
||||||
|
#include <sstream>
|
||||||
|
#include <fstream>
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
//! Mod-operator that works with negative values
|
||||||
|
inline int Mod(int numerator, int denominator)
|
||||||
|
{
|
||||||
|
return (denominator + (numerator % denominator)) % denominator;
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will perform a wrapping left-bitshift on a bitset
|
||||||
|
template <std::size_t T>
|
||||||
|
inline std::bitset<T> Shiftl(const std::bitset<T>& bits, std::size_t amount)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
const std::string bitss = bits.to_string();
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < bitss.size(); i++)
|
||||||
|
ss << bitss[Mod((i + amount), bitss.size())];
|
||||||
|
|
||||||
|
return std::bitset<T>(ss.str());
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will perform a wrapping right-bitshift on a bitset
|
||||||
|
template <std::size_t T>
|
||||||
|
inline std::bitset<T> Shiftr(const std::bitset<T>& bits, std::size_t amount)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
const std::string bitss = bits.to_string();
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < bitss.size(); i++)
|
||||||
|
ss << bitss[Mod((i - amount), bitss.size())];
|
||||||
|
|
||||||
|
return std::bitset<T>(ss.str());
|
||||||
|
}
|
||||||
|
|
||||||
|
inline std::string PadStringToLength(const std::string& str, const std::size_t len, const char pad, const bool padLeft = true)
|
||||||
|
{
|
||||||
|
// Fast-reject: Already above padded length
|
||||||
|
if (str.length() >= len)
|
||||||
|
return str;
|
||||||
|
|
||||||
|
std::stringstream ss;
|
||||||
|
|
||||||
|
// Pad left:
|
||||||
|
if (padLeft)
|
||||||
|
{
|
||||||
|
for (std::size_t i = 0; i < len - str.size(); i++)
|
||||||
|
ss << pad;
|
||||||
|
ss << str;
|
||||||
|
}
|
||||||
|
// Pad right:
|
||||||
|
else
|
||||||
|
{
|
||||||
|
ss << str;
|
||||||
|
for (std::size_t i = 0; i < len - str.size(); i++)
|
||||||
|
ss << pad;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will convert a string to a fixed data block
|
||||||
|
inline Block StringToBitblock(const std::string& s)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < s.size(); i++)
|
||||||
|
ss << std::bitset<8>(s[i]);
|
||||||
|
|
||||||
|
// Pad rest with zeores
|
||||||
|
return Block(PadStringToLength(ss.str(), 128, '0', false));
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will convert a string to a flexible data block
|
||||||
|
inline Flexblock StringToBits(const std::string& s)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < s.size(); i++)
|
||||||
|
ss << std::bitset<8>(s[i]);
|
||||||
|
|
||||||
|
return Flexblock(ss.str());
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will convert a fixed data block to a string
|
||||||
|
inline std::string BitblockToString(const Block& bits)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
|
||||||
|
const std::string bitstring = bits.to_string();
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < BLOCK_SIZE; i += 8)
|
||||||
|
{
|
||||||
|
ss << (char)std::bitset<8>(bitstring.substr(i, 8)).to_ulong();
|
||||||
|
}
|
||||||
|
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will convert a flexible data block to a string
|
||||||
|
inline std::string BitsToString(const Flexblock& bits)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
|
||||||
|
const std::string bitstring = bits;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < bits.size(); i += 8)
|
||||||
|
{
|
||||||
|
ss << (char)std::bitset<8>(bitstring.substr(i, 8)).to_ulong();
|
||||||
|
}
|
||||||
|
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Turns a fixed data block into a hex-string
|
||||||
|
inline std::string BitblockToHexstring(const Block& b)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
const std::string charset = "0123456789abcdef";
|
||||||
|
const std::string bstr = b.to_string();
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < bstr.size(); i += 4)
|
||||||
|
ss << charset[std::bitset<4>(bstr.substr(i, 4)).to_ulong()];
|
||||||
|
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Turns a flexible data block into a hex-string
|
||||||
|
inline std::string BitsToHexstring(const Flexblock& b)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
const std::string charset = "0123456789abcdef";
|
||||||
|
const std::string bstr = b;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < bstr.size(); i += 4)
|
||||||
|
ss << charset[std::bitset<4>(bstr.substr(i, 4)).to_ulong()];
|
||||||
|
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
//! Turns a hex string into a fixed data block
|
||||||
|
inline Block HexstringToBitblock(const std::string& hexstring)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < hexstring.size(); i++)
|
||||||
|
{
|
||||||
|
const char c = hexstring[i];
|
||||||
|
|
||||||
|
// Get value
|
||||||
|
std::size_t value;
|
||||||
|
if ((c >= '0') && (c <= '9'))
|
||||||
|
// Is it a number?
|
||||||
|
value = (c - '0') + 0;
|
||||||
|
else if ((c >= 'a') && (c <= 'f'))
|
||||||
|
// Else, it is a lowercase letter
|
||||||
|
value = (c - 'a') + 10;
|
||||||
|
else
|
||||||
|
throw std::logic_error("non-hex string detected in HexstringToBits()");
|
||||||
|
|
||||||
|
// Append to our bits
|
||||||
|
ss << std::bitset<4>(value);
|
||||||
|
}
|
||||||
|
|
||||||
|
return Block(ss.str());
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Turns a hex string into a flexible data block
|
||||||
|
inline Flexblock HexstringToBits(const std::string& hexstring)
|
||||||
|
{
|
||||||
|
std::stringstream ss;
|
||||||
|
|
||||||
|
for (std::size_t i = 0; i < hexstring.size(); i++)
|
||||||
|
{
|
||||||
|
const char c = hexstring[i];
|
||||||
|
|
||||||
|
// Get value
|
||||||
|
std::size_t value;
|
||||||
|
if ((c >= '0') && (c <= '9'))
|
||||||
|
// Is it a number?
|
||||||
|
value = (c - '0') + 0;
|
||||||
|
else if ((c >= 'a') && (c <= 'f'))
|
||||||
|
// Else, it is a lowercase letter
|
||||||
|
value = (c - 'a') + 10;
|
||||||
|
else
|
||||||
|
throw std::logic_error("non-hex string detected in HexstringToBits()");
|
||||||
|
|
||||||
|
// Append to our bits
|
||||||
|
ss << std::bitset<4>(value);
|
||||||
|
}
|
||||||
|
|
||||||
|
return ss.str();
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Creates a key of size key-size from a password of arbitrary length.
|
||||||
|
inline Block PasswordToKey(const std::string& in)
|
||||||
|
{
|
||||||
|
Block b;
|
||||||
|
|
||||||
|
// Segment the password in segments of key-size, and xor them together.
|
||||||
|
for (std::size_t i = 0; i < in.size(); i += BLOCK_SIZE / 8)
|
||||||
|
b ^= StringToBitblock(in.substr(i, BLOCK_SIZE / 8));
|
||||||
|
|
||||||
|
return b;
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will read a file into a flexblock
|
||||||
|
inline Flexblock ReadFileToBits(const std::string& filepath)
|
||||||
|
{
|
||||||
|
// Read file
|
||||||
|
std::ifstream ifs(filepath, std::ios::binary);
|
||||||
|
|
||||||
|
if (!ifs.good())
|
||||||
|
throw std::runtime_error("Unable to open ifilestream!");
|
||||||
|
|
||||||
|
std::stringstream ss;
|
||||||
|
std::copy(
|
||||||
|
std::istreambuf_iterator<char>(ifs),
|
||||||
|
std::istreambuf_iterator<char>(),
|
||||||
|
std::ostreambuf_iterator<char>(ss)
|
||||||
|
);
|
||||||
|
|
||||||
|
ifs.close();
|
||||||
|
|
||||||
|
const std::string bytes = ss.str();
|
||||||
|
|
||||||
|
// Convert bytes to bits
|
||||||
|
return StringToBits(bytes);
|
||||||
|
}
|
||||||
|
|
||||||
|
//! Will save bits to a binary file
|
||||||
|
inline void WriteBitsToFile(const std::string& filepath, const Flexblock& bits)
|
||||||
|
{
|
||||||
|
// Convert bits to bytes
|
||||||
|
const std::string bytes = BitsToString(bits);
|
||||||
|
|
||||||
|
// Write bits to file
|
||||||
|
std::ofstream ofs(filepath, std::ios::binary);
|
||||||
|
|
||||||
|
if (!ofs.good())
|
||||||
|
throw std::runtime_error("Unable to open ofilestream!");
|
||||||
|
|
||||||
|
ofs.write(bytes.data(), bytes.length());
|
||||||
|
ofs.close();
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Keyset.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
#include <array>
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
typedef std::array<Block, N_ROUNDS> Keyset;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Feistel.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
/** Class to perform a feistel block chipher
|
||||||
|
*/
|
||||||
|
class Feistel
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
explicit Feistel(const Block& key);
|
||||||
|
|
||||||
|
Feistel(const Feistel& other) = delete;
|
||||||
|
Feistel(Feistel&& other) noexcept = delete;
|
||||||
|
|
||||||
|
~Feistel();
|
||||||
|
|
||||||
|
//! Will set the seed-key for this feistel network.
|
||||||
|
//! Roundkeys will be derived from this.
|
||||||
|
void SetKey(const Block& key);
|
||||||
|
|
||||||
|
//! Will encipher a data block via the set seed-key
|
||||||
|
Block Encipher(const Block& data) const;
|
||||||
|
|
||||||
|
//! Will decipher a data block via the set seed-key
|
||||||
|
Block Decipher(const Block& data) const;
|
||||||
|
|
||||||
|
private:
|
||||||
|
//! Will run the feistel rounds, with either regular key order or reversed key order
|
||||||
|
Block Run(const Block& data, bool reverseKeys) const;
|
||||||
|
|
||||||
|
//! Arbitrary cipher function
|
||||||
|
static Halfblock F(Halfblock m, const Block& key);
|
||||||
|
|
||||||
|
//! Split a data block into two half blocks (into L and R)
|
||||||
|
static std::pair<Halfblock, Halfblock> FeistelSplit(const Block& block);
|
||||||
|
|
||||||
|
//! Combine two half blocks (L and R) into a regular data block
|
||||||
|
static Block FeistelCombine(const Halfblock& l, const Halfblock& r);
|
||||||
|
|
||||||
|
//! Will expand a halfblock to a fullblock
|
||||||
|
static Block ExpansionFunction(const Halfblock& block);
|
||||||
|
|
||||||
|
//! Will compress a fullblock to a halfblock
|
||||||
|
static Halfblock CompressionFunction(const Block& block);
|
||||||
|
|
||||||
|
//! Substitutes four bits by static random others
|
||||||
|
static std::string SBox(const std::string& in);
|
||||||
|
|
||||||
|
//! Will generate a the round keys
|
||||||
|
void GenerateRoundKeys(const Block& seedKey);
|
||||||
|
|
||||||
|
//! Will zero the memory used by the keyset
|
||||||
|
void ZeroKeyMemory();
|
||||||
|
|
||||||
|
Keyset roundKeys;
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
/*** ./../Feistel/Cipher.h ***/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
namespace GhettoCipher
|
||||||
|
{
|
||||||
|
/** Class to apply a block cipher to messages of arbitrary length in a distributed manner
|
||||||
|
*/
|
||||||
|
class Cipher
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
explicit Cipher(const Block& key);
|
||||||
|
explicit Cipher(const std::string& password);
|
||||||
|
|
||||||
|
Cipher(const Cipher& other) = delete;
|
||||||
|
Cipher(Cipher&& other) noexcept = delete;
|
||||||
|
|
||||||
|
~Cipher();
|
||||||
|
|
||||||
|
//! Will set the key
|
||||||
|
void SetKey(const Block& key);
|
||||||
|
|
||||||
|
//! Will set the key from a password
|
||||||
|
void SetPassword(const std::string& password);
|
||||||
|
|
||||||
|
//! Will encipher a flexblock of data
|
||||||
|
Flexblock Encipher(const Flexblock& data, bool printProgress = false) const;
|
||||||
|
|
||||||
|
//! Will decipher a flexblock of data
|
||||||
|
Flexblock Decipher(const Flexblock& data, bool printProgress = false) const;
|
||||||
|
|
||||||
|
private:
|
||||||
|
Block key;
|
||||||
|
|
||||||
|
//! Will zero the memory used by the key
|
||||||
|
void ZeroKeyMemory();
|
||||||
|
|
||||||
|
// Initial value for cipher block chaining
|
||||||
|
static const Block emptyBlock;
|
||||||
|
};
|
||||||
|
}
|
||||||
BIN
INCLUDE/deggl
Normal file
BIN
INCLUDE/deggl
Normal file
Binary file not shown.
7
INCLUDE/generate.sh
Normal file
7
INCLUDE/generate.sh
Normal file
@ -0,0 +1,7 @@
|
|||||||
|
# Compile single-header
|
||||||
|
deggl -i ../Feistel/*.cpp --out GhettoCipher --loc
|
||||||
|
|
||||||
|
# Verify that this builds cleanly via g++
|
||||||
|
echo "Verifying build..."
|
||||||
|
g++ GhettoCipher.cpp -c -S -o - -Wall > /dev/null
|
||||||
|
echo "If you saw no compiler errors, everything's good!"
|
||||||
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Reference in New Issue
Block a user