initial code commit
This commit is contained in:
parent
621c4d8ec6
commit
79dd09da1a
10
caesarcrypt.licenseheader
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10
caesarcrypt.licenseheader
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extensions: .c .h
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/*
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* Filename: %FileName%
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* Authors(s): %UserName% (%UserName%@example.com)
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* Description: Short description here
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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25
caesarcrypt.sln
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25
caesarcrypt.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.2.32602.215
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "caesarcrypt", "caesarcrypt.vcxproj", "{BFB0CF25-00F6-4352-9057-5349E4B0BDFA}"
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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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Release|x64 = Release|x64
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{BFB0CF25-00F6-4352-9057-5349E4B0BDFA}.Debug|x64.ActiveCfg = Debug|x64
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{BFB0CF25-00F6-4352-9057-5349E4B0BDFA}.Debug|x64.Build.0 = Debug|x64
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{BFB0CF25-00F6-4352-9057-5349E4B0BDFA}.Release|x64.ActiveCfg = Release|x64
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{BFB0CF25-00F6-4352-9057-5349E4B0BDFA}.Release|x64.Build.0 = Release|x64
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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 = {3168F4B4-5B29-4F5A-A29C-77AA5D538D1F}
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EndGlobalSection
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EndGlobal
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99
caesarcrypt.vcxproj
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99
caesarcrypt.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|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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<ItemGroup>
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<ClCompile Include="src\caesarcrypt.c" />
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<ClCompile Include="src\crypt.c" />
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</ItemGroup>
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<ItemGroup>
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<None Include="caesarcrypt.licenseheader" />
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="src\crypt.h" />
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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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<ProjectGuid>{bfb0cf25-00f6-4352-9057-5349e4b0bdfa}</ProjectGuid>
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<RootNamespace>caesarcrypt</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)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(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|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|x64'">
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<OutDir>$(SolutionDir)out\$(Configuration)\</OutDir>
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<IntDir>out\$(Configuration)\</IntDir>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<OutDir>$(SolutionDir)out\$(Configuration)\</OutDir>
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<IntDir>out\$(Configuration)\</IntDir>
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</PropertyGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level4</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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<LanguageStandard>stdcpp20</LanguageStandard>
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<LanguageStandard_C>stdc17</LanguageStandard_C>
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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>Level4</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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<LanguageStandard>stdcpp20</LanguageStandard>
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<LanguageStandard_C>stdc17</LanguageStandard_C>
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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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<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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33
caesarcrypt.vcxproj.filters
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33
caesarcrypt.vcxproj.filters
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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="Source Files">
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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="Header Files">
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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="Resource Files">
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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="src\caesarcrypt.c">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="src\crypt.c">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<None Include="caesarcrypt.licenseheader" />
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="src\crypt.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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</Project>
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60
src/caesarcrypt.c
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60
src/caesarcrypt.c
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/*
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* Filename: caesarcrypt.c
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* Authors(s): Roland (r.weirhowell@gmail.com)
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* Description: Encrypt and decrypt text using the Caesar Cipher algorithm
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "crypt.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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int main()
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{
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fputs(
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"1. Encrypt message\n"
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"2. Decrypt message\n"
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"Pick operation mode: "
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,stdout
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);
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char buf[4];
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fgets(buf, 3, stdin);
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int choice = strtol(buf, NULL, 10);
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char* msg = calloc(128, sizeof(char));
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fputs("Enter your message text: ", stdout);
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if (msg) fgets(msg, 128, stdin);
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fputs("Enter your key (shift value): ", stdout);
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fgets(buf, 4, stdin);
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int key = strtol(buf, NULL, 10);
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if (choice == 1)
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{
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caesar_encrypt(msg, 128, key);
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puts("\nYour encrypted message is:");
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for (int i = 0; i < 128 && msg[i]; i++)
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{
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putchar(msg[i]);
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}
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}
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else if (choice == 2)
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{
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caesar_decrypt(msg, 128, key);
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puts("\nYour decrypted message is:");
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for (int i = 0; i < 128 && msg[i]; i++)
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{
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putchar(msg[i]);
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}
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}
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return 0;
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}
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25
src/crypt.c
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25
src/crypt.c
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/*
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* Filename: crypt.c
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* Authors(s): Roland (r.weirhowell@gmail.com)
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* Description: Perform caesar cipher cryptographic operations
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "crypt.h"
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void caesar_encrypt(char* str, int size, int key)
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{
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for (int i = 0; i < size && str[i] != '\n'; i++)
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if (str[i] != ' ') str[i] += key % 26;
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}
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void caesar_decrypt(char* str, int size, int key)
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{
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for (int i = 0; i < size && str[i] != '\n'; i++)
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if (str[i] != ' ') str[i] -= key % 26;
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}
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16
src/crypt.h
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16
src/crypt.h
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/*
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* Filename: crypt.h
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* Authors(s): Roland (r.weirhowell@gmail.com)
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* Description: Header file for crypt.c
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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void caesar_encrypt(char* str, int size, int key);
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void caesar_decrypt(char* str, int size, int key);
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