Encrypt and Decrypt Routine is added

SourceCodeDeleted · Aug 1, 2021 · a497e8d · a497e8d
1 parent d50ab4e
commit a497e8d
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Showing 12 changed files with 933 additions and 3 deletions.
diff --git a/Crypto.cpp b/Crypto.cpp
@@ -0,0 +1,34 @@
+#include "aes.hpp"
+#include "Crypto.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+
+void randomBytes(unsigned char* output, size_t length) {
+ for (int i = 0; i < length; i++) {
+ output[i] = rand() % 256;
+ }
+}
+
+unsigned char *paddingForInput(unsigned char *dataBuffer, size_t originalSize) {
+ int paddingLength = 16-originalSize % 16;
+ unsigned char* newBuffer = (unsigned char*)malloc(originalSize + paddingLength);
+ memcpy(newBuffer, dataBuffer, originalSize);
+ memset(newBuffer + originalSize, 0x00, paddingLength);
+ return newBuffer;
+}
+
+void encryptData(unsigned char *dataBuffer,size_t dataLength, unsigned char *keyBuffer, unsigned char *IVBuffer) {
+ struct AES_ctx ctx;
+ randomBytes(keyBuffer, KEYSIZE);
+ randomBytes(IVBuffer, 16);
+ AES_init_ctx_iv(&ctx, keyBuffer, IVBuffer);
+ AES_CBC_encrypt_buffer(&ctx, dataBuffer, dataLength);
+}
+
+void decryptData(unsigned char *dataBuffer, size_t dataLength, unsigned char *keyBuffer, unsigned char *IVBuffer) {
+ struct AES_ctx ctx;
+ AES_init_ctx_iv(&ctx, keyBuffer, IVBuffer);
+ AES_CBC_decrypt_buffer(&ctx, dataBuffer, dataLength);
+}
diff --git a/Crypto.h b/Crypto.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#define KEYSIZE 16
+void encryptData(unsigned char* dataBuffer, size_t dataLength, unsigned char* keyBuffer, unsigned char* IVBuffer);
+void decryptData(unsigned char* dataBuffer, size_t dataLength, unsigned char* keyBuffer, unsigned char* IVBuffer);
+unsigned char* paddingForInput(unsigned char* dataBuffer, size_t originalSize);
diff --git a/Huan.sln b/Huan.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 16.0.31229.75
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Huan", "Huan.vcxproj", "{DB5465F0-98B9-497C-BE03-AC3276E7DF46}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "HuanLoader", "HuanLoader\HuanLoader.vcxproj", "{2234DF93-108C-41FA-A284-25D78FBBBD5E}"
+EndProject
 Global
  GlobalSection(SolutionConfigurationPlatforms) = preSolution
  Debug|x64 = Debug|x64
@@ -21,6 +23,14 @@ Global
  {DB5465F0-98B9-497C-BE03-AC3276E7DF46}.Release|x64.Build.0 = Release|x64
  {DB5465F0-98B9-497C-BE03-AC3276E7DF46}.Release|x86.ActiveCfg = Release|Win32
  {DB5465F0-98B9-497C-BE03-AC3276E7DF46}.Release|x86.Build.0 = Release|Win32
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Debug|x64.ActiveCfg = Debug|x64
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Debug|x64.Build.0 = Debug|x64
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Debug|x86.ActiveCfg = Debug|Win32
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Debug|x86.Build.0 = Debug|Win32
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Release|x64.ActiveCfg = Release|x64
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Release|x64.Build.0 = Release|x64
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Release|x86.ActiveCfg = Release|Win32
+ {2234DF93-108C-41FA-A284-25D78FBBBD5E}.Release|x86.Build.0 = Release|Win32
  EndGlobalSection
  GlobalSection(SolutionProperties) = preSolution
  HideSolutionNode = FALSE

diff --git a/Huan.vcxproj b/Huan.vcxproj
@@ -114,7 +114,7 @@
  <ClCompile>
  <WarningLevel>Level3</WarningLevel>
  <SDLCheck>true</SDLCheck>
- <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <PreprocessorDefinitions>_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
  <ConformanceMode>true</ConformanceMode>
  </ClCompile>
  <Link>
@@ -140,10 +140,15 @@
  </Link>
  </ItemDefinitionGroup>
  <ItemGroup>
+ <ClCompile Include="aes.c" />
+ <ClCompile Include="Crypto.cpp" />
  <ClCompile Include="Main.cpp" />
  <ClCompile Include="NewSection.cpp" />
  </ItemGroup>
  <ItemGroup>
+ <ClInclude Include="aes.h" />
+ <ClInclude Include="aes.hpp" />
+ <ClInclude Include="Crypto.h" />
  <ClInclude Include="NewSection.h" />
  </ItemGroup>
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

diff --git a/Huan.vcxproj.filters b/Huan.vcxproj.filters
@@ -21,10 +21,25 @@
  <ClCompile Include="NewSection.cpp">
  <Filter>Source Files</Filter>
  </ClCompile>
+ <ClCompile Include="Crypto.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="aes.c">
+ <Filter>Source Files</Filter>
+ </ClCompile>
  </ItemGroup>
  <ItemGroup>
  <ClInclude Include="NewSection.h">
  <Filter>Header Files</Filter>
  </ClInclude>
+ <ClInclude Include="Crypto.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="aes.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="aes.hpp">
+ <Filter>Header Files</Filter>
+ </ClInclude>
  </ItemGroup>
 </Project>
diff --git a/HuanLoader/HuanLoader.vcxproj b/HuanLoader/HuanLoader.vcxproj
@@ -0,0 +1,150 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup Label="ProjectConfigurations">
+ <ProjectConfiguration Include="Debug|Win32">
+ <Configuration>Debug</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Debug|x64">
+ <Configuration>Debug</Configuration>
+ <Platform>x64</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|x64">
+ <Configuration>Release</Configuration>
+ <Platform>x64</Platform>
+ </ProjectConfiguration>
+
+ </ItemGroup>
+ <PropertyGroup Label="Globals">
+ <VCProjectVersion>16.0</VCProjectVersion>
+ <Keyword>Win32Proj</Keyword>
+ <ProjectGuid>{2234df93-108c-41fa-a284-25d78fbbbd5e}</ProjectGuid>
+ <RootNamespace>HuanLoader</RootNamespace>
+ <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+ <ConfigurationType>Application</ConfigurationType>
+ <UseDebugLibraries>true</UseDebugLibraries>
+ <PlatformToolset>v142</PlatformToolset>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+ <ConfigurationType>Application</ConfigurationType>
+ <UseDebugLibraries>false</UseDebugLibraries>
+ <PlatformToolset>v142</PlatformToolset>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+ <ConfigurationType>Application</ConfigurationType>
+ <UseDebugLibraries>true</UseDebugLibraries>
+ <PlatformToolset>v142</PlatformToolset>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+ <ConfigurationType>Application</ConfigurationType>
+ <UseDebugLibraries>false</UseDebugLibraries>
+ <PlatformToolset>v142</PlatformToolset>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+ <ImportGroup Label="ExtensionSettings">
+ </ImportGroup>
+ <ImportGroup Label="Shared" >
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ </ImportGroup>
+
+ <PropertyGroup Label="UserMacros" />
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <LinkIncremental>true</LinkIncremental>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <LinkIncremental>false</LinkIncremental>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+ <LinkIncremental>true</LinkIncremental>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+ <LinkIncremental>false</LinkIncremental>
+ </PropertyGroup>
+
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <ClCompile>
+ <WarningLevel>Level3</WarningLevel>
+ <SDLCheck>true</SDLCheck>
+ <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <ConformanceMode>true</ConformanceMode>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation>true</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <ClCompile>
+ <WarningLevel>Level3</WarningLevel>
+ <FunctionLevelLinking>true</FunctionLevelLinking>
+ <IntrinsicFunctions>true</IntrinsicFunctions>
+ <SDLCheck>true</SDLCheck>
+ <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <ConformanceMode>true</ConformanceMode>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
+ <OptimizeReferences>true</OptimizeReferences>
+ <GenerateDebugInformation>true</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+ <ClCompile>
+ <WarningLevel>Level3</WarningLevel>
+ <SDLCheck>true</SDLCheck>
+ <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <ConformanceMode>true</ConformanceMode>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation>true</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+ <ClCompile>
+ <WarningLevel>Level3</WarningLevel>
+ <FunctionLevelLinking>true</FunctionLevelLinking>
+ <IntrinsicFunctions>true</IntrinsicFunctions>
+ <SDLCheck>true</SDLCheck>
+ <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <ConformanceMode>true</ConformanceMode>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
+ <OptimizeReferences>true</OptimizeReferences>
+ <GenerateDebugInformation>true</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemGroup></ItemGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+ <ImportGroup Label="ExtensionTargets">
+ </ImportGroup>
+</Project>
diff --git a/HuanLoader/HuanLoader.vcxproj.filters b/HuanLoader/HuanLoader.vcxproj.filters
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <Filter Include="Source Files">
+ <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+ <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+ </Filter>
+ <Filter Include="Header Files">
+ <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+ <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+ </Filter>
+ <Filter Include="Resource Files">
+ <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+ <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+ </Filter>
+ </ItemGroup>
+</Project>
diff --git a/HuanLoader/HuanLoader.vcxproj.user b/HuanLoader/HuanLoader.vcxproj.user
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <PropertyGroup />
+</Project>
diff --git a/Main.cpp b/Main.cpp
@@ -1,8 +1,8 @@
 #include <Windows.h>
-#include "NewSection.h"
 #include <iostream>
 #include <string>
-
+#include "NewSection.h"
+#include "Crypto.h"
 
 
 void printBanner() {
@@ -33,7 +33,21 @@ void printHelp(const char *exeName) {
 int main(int argc, char *argv[]) {
  printBanner();
  if (argc != 3) {
+ /*
+ DEBUG for Crypto
+ 
+ unsigned char dataBuffer[17] = { '1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','g','h'};
+ size_t originalDataLength = 17;
+ unsigned char keyBuffer[KEYSIZE] = { 0x00 };
+ unsigned char IVBuffer[16] = { 0x00 };
+ unsigned char* newBuffer = paddingForInput(dataBuffer, originalDataLength);
+ size_t dataLength = (originalDataLength / 16 + 1) * 16;
+ encryptData(newBuffer, dataLength, keyBuffer, IVBuffer);
+ std::cout << "Data Buffer Encrypted ! " << std::endl;
+ decryptData(newBuffer, dataLength, keyBuffer, IVBuffer);
+ printf("%17s\n", newBuffer);
  printHelp(argv[0]);
+ */
  return 0;
  }
  size_t fileSize = 0;