├── .gitignore ├── AESCrypt.sln ├── AESCrypt ├── AESCrypt.cpp ├── AESCrypt.vcxproj └── AESCrypt.vcxproj.filters └── README.md /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Ww][Ii][Nn]32/ 27 | [Aa][Rr][Mm]/ 28 | [Aa][Rr][Mm]64/ 29 | bld/ 30 | [Bb]in/ 31 | [Oo]bj/ 32 | [Ll]og/ 33 | [Ll]ogs/ 34 | 35 | # Visual Studio 2015/2017 cache/options directory 36 | .vs/ 37 | # Uncomment if you have tasks that create the project's static files in wwwroot 38 | #wwwroot/ 39 | 40 | # Visual Studio 2017 auto generated files 41 | Generated\ Files/ 42 | 43 | # MSTest test Results 44 | [Tt]est[Rr]esult*/ 45 | [Bb]uild[Ll]og.* 46 | 47 | # NUnit 48 | *.VisualState.xml 49 | TestResult.xml 50 | nunit-*.xml 51 | 52 | # Build Results of an ATL Project 53 | [Dd]ebugPS/ 54 | [Rr]eleasePS/ 55 | dlldata.c 56 | 57 | # Benchmark Results 58 | BenchmarkDotNet.Artifacts/ 59 | 60 | # .NET Core 61 | project.lock.json 62 | project.fragment.lock.json 63 | artifacts/ 64 | 65 | # ASP.NET Scaffolding 66 | ScaffoldingReadMe.txt 67 | 68 | # StyleCop 69 | StyleCopReport.xml 70 | 71 | # Files built by Visual Studio 72 | *_i.c 73 | *_p.c 74 | *_h.h 75 | *.ilk 76 | *.meta 77 | *.obj 78 | *.iobj 79 | *.pch 80 | *.pdb 81 | *.ipdb 82 | *.pgc 83 | *.pgd 84 | *.rsp 85 | *.sbr 86 | *.tlb 87 | *.tli 88 | *.tlh 89 | *.tmp 90 | *.tmp_proj 91 | *_wpftmp.csproj 92 | *.log 93 | *.tlog 94 | *.vspscc 95 | *.vssscc 96 | .builds 97 | *.pidb 98 | *.svclog 99 | *.scc 100 | 101 | # Chutzpah Test files 102 | _Chutzpah* 103 | 104 | # Visual C++ cache files 105 | ipch/ 106 | *.aps 107 | *.ncb 108 | *.opendb 109 | *.opensdf 110 | *.sdf 111 | *.cachefile 112 | *.VC.db 113 | *.VC.VC.opendb 114 | 115 | # Visual Studio profiler 116 | *.psess 117 | *.vsp 118 | *.vspx 119 | *.sap 120 | 121 | # Visual Studio Trace Files 122 | *.e2e 123 | 124 | # TFS 2012 Local Workspace 125 | $tf/ 126 | 127 | # Guidance Automation Toolkit 128 | *.gpState 129 | 130 | # ReSharper is a .NET coding add-in 131 | _ReSharper*/ 132 | *.[Rr]e[Ss]harper 133 | *.DotSettings.user 134 | 135 | # TeamCity is a build add-in 136 | _TeamCity* 137 | 138 | # DotCover is a Code Coverage Tool 139 | *.dotCover 140 | 141 | # AxoCover is a Code Coverage Tool 142 | .axoCover/* 143 | !.axoCover/settings.json 144 | 145 | # Coverlet is a free, cross platform Code Coverage Tool 146 | coverage*.json 147 | coverage*.xml 148 | coverage*.info 149 | 150 | # Visual Studio code coverage results 151 | *.coverage 152 | *.coveragexml 153 | 154 | # NCrunch 155 | _NCrunch_* 156 | .*crunch*.local.xml 157 | nCrunchTemp_* 158 | 159 | # MightyMoose 160 | *.mm.* 161 | AutoTest.Net/ 162 | 163 | # Web workbench (sass) 164 | .sass-cache/ 165 | 166 | # Installshield output folder 167 | [Ee]xpress/ 168 | 169 | # DocProject is a documentation generator add-in 170 | DocProject/buildhelp/ 171 | DocProject/Help/*.HxT 172 | DocProject/Help/*.HxC 173 | DocProject/Help/*.hhc 174 | DocProject/Help/*.hhk 175 | DocProject/Help/*.hhp 176 | DocProject/Help/Html2 177 | DocProject/Help/html 178 | 179 | # Click-Once directory 180 | publish/ 181 | 182 | # Publish Web Output 183 | *.[Pp]ublish.xml 184 | *.azurePubxml 185 | # Note: Comment the next line if you want to checkin your web deploy settings, 186 | # but database connection strings (with potential passwords) will be unencrypted 187 | *.pubxml 188 | *.publishproj 189 | 190 | # Microsoft Azure Web App publish settings. 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auto-generated XML schema 377 | FodyWeavers.xsd 378 | 379 | # VS Code files for those working on multiple tools 380 | .vscode/* 381 | !.vscode/settings.json 382 | !.vscode/tasks.json 383 | !.vscode/launch.json 384 | !.vscode/extensions.json 385 | *.code-workspace 386 | 387 | # Local History for Visual Studio Code 388 | .history/ 389 | 390 | # Windows Installer files from build outputs 391 | *.cab 392 | *.msi 393 | *.msix 394 | *.msm 395 | *.msp 396 | 397 | # JetBrains Rider 398 | *.sln.iml 399 | -------------------------------------------------------------------------------- /AESCrypt.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 17 4 | VisualStudioVersion = 17.7.34202.233 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "AESCrypt", "AESCrypt\AESCrypt.vcxproj", "{CB18BD1F-815F-4B97-B5FF-213E337D41C0}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|x64 = Debug|x64 11 | Debug|x86 = Debug|x86 12 | Release|x64 = Release|x64 13 | Release|x86 = Release|x86 14 | EndGlobalSection 15 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 16 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Debug|x64.ActiveCfg = Debug|x64 17 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Debug|x64.Build.0 = Debug|x64 18 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Debug|x86.ActiveCfg = Debug|Win32 19 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Debug|x86.Build.0 = Debug|Win32 20 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Release|x64.ActiveCfg = Release|x64 21 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Release|x64.Build.0 = Release|x64 22 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Release|x86.ActiveCfg = Release|Win32 23 | {CB18BD1F-815F-4B97-B5FF-213E337D41C0}.Release|x86.Build.0 = Release|Win32 24 | EndGlobalSection 25 | GlobalSection(SolutionProperties) = preSolution 26 | HideSolutionNode = FALSE 27 | EndGlobalSection 28 | GlobalSection(ExtensibilityGlobals) = postSolution 29 | SolutionGuid = {C6162175-8FAD-40D7-9EA0-D9405DDBD817} 30 | EndGlobalSection 31 | EndGlobal 32 | -------------------------------------------------------------------------------- /AESCrypt/AESCrypt.cpp: -------------------------------------------------------------------------------- 1 | /* AESCrypt 2 | * ======== 3 | * Takes a file on the command line and encrypts it with AES-256 4 | * using a password and Microsoft Cryptography API. It can also 5 | * take a password and decrypt the file. 6 | * 7 | * https://hacker.house 8 | */ 9 | #ifndef ENCRYPTION_TOOL_H 10 | #define ENCRYPTION_TOOL_H 11 | 12 | #include 13 | #include 14 | #include 15 | #include 16 | #include 17 | #include 18 | #include 19 | 20 | #pragma comment(lib, "bcrypt.lib") 21 | 22 | #define NT_SUCCESS(Status) ((NTSTATUS)(Status) >= 0) 23 | 24 | class AESCrypt { 25 | public: 26 | AESCrypt(const wchar_t* filename, const std::wstring& password, const std::wstring& action) : 27 | filename(filename), password(password), action(action) {} 28 | 29 | void Run() { 30 | try { 31 | if (action == L"encrypt") { 32 | EncryptFile(); 33 | } 34 | else if (action == L"decrypt") { 35 | DecryptFile(); 36 | } 37 | else { 38 | std::wcerr << L"Invalid action. Use 'encrypt' or 'decrypt'." << std::endl; 39 | } 40 | } 41 | catch (const std::exception& ex) { 42 | std::cerr << "Error: " << ex.what() << std::endl; 43 | } 44 | } 45 | 46 | private: 47 | const wchar_t* filename; 48 | std::wstring password; 49 | std::wstring action; 50 | 51 | void PrintError(const wchar_t* msg, NTSTATUS status) { 52 | std::wcerr << L"Error: " << msg << L" (Error code: 0x" << std::hex << status << L")" << std::endl; 53 | } 54 | 55 | void CheckStatus(const wchar_t* msg, NTSTATUS status) { 56 | if (!NT_SUCCESS(status)) { 57 | PrintError(msg, status); 58 | throw std::runtime_error("Operation failed."); 59 | } 60 | } 61 | 62 | void PrintOperationDetails(const wchar_t* operation) { 63 | std::wcout << L"Performing operation: " << operation << std::endl; 64 | } 65 | 66 | void PrintHexDump(const void* data, size_t size) { 67 | const uint8_t* byteData = static_cast(data); 68 | for (size_t i = 0; i < size; ++i) { 69 | std::wcout << std::hex << std::setw(2) << std::setfill(L'0') << static_cast(byteData[i]) << L" "; 70 | if ((i + 1) % 16 == 0) { 71 | std::wcout << std::endl; 72 | } 73 | } 74 | if (size % 16 != 0) { 75 | std::wcout << std::endl; 76 | } 77 | } 78 | 79 | void GenerateRandomBytes(std::vector& buffer) { 80 | PrintOperationDetails(L"Generating random bytes"); 81 | BCRYPT_ALG_HANDLE randAlgHandle; 82 | CheckStatus(L"BCryptOpenAlgorithmProvider failed", BCryptOpenAlgorithmProvider(&randAlgHandle, BCRYPT_RNG_ALGORITHM, NULL, 0)); 83 | if (!buffer.empty()) { 84 | CheckStatus(L"BCryptGenRandom failed", BCryptGenRandom(randAlgHandle, buffer.data(), static_cast(buffer.size()), 0)); 85 | } 86 | BCryptCloseAlgorithmProvider(randAlgHandle, 0); 87 | std::wcout << L"Random bytes generated: " << std::endl; 88 | PrintHexDump(buffer.data(), buffer.size()); 89 | } 90 | 91 | std::vector DeriveKey() { 92 | PrintOperationDetails(L"Deriving key from password"); 93 | BCRYPT_ALG_HANDLE algHandle; 94 | CheckStatus(L"BCryptOpenAlgorithmProvider failed", BCryptOpenAlgorithmProvider(&algHandle, BCRYPT_SHA256_ALGORITHM, NULL, 0)); 95 | BCRYPT_HASH_HANDLE hashHandle; 96 | CheckStatus(L"BCryptCreateHash failed", BCryptCreateHash(algHandle, &hashHandle, NULL, 0, NULL, 0, 0)); 97 | CheckStatus(L"BCryptHashData failed", BCryptHashData(hashHandle, reinterpret_cast(const_cast(password.c_str())), static_cast(password.size() * sizeof(wchar_t)), 0)); 98 | std::vector keyBuffer(32); // 256 bits for AES-256 99 | CheckStatus(L"BCryptFinishHash failed", BCryptFinishHash(hashHandle, keyBuffer.data(), static_cast(keyBuffer.size()), 0)); 100 | BCryptDestroyHash(hashHandle); 101 | BCryptCloseAlgorithmProvider(algHandle, 0); 102 | std::wcout << L"Derived key: " << std::endl; 103 | PrintHexDump(keyBuffer.data(), keyBuffer.size()); 104 | return keyBuffer; 105 | } 106 | 107 | std::vector ReadFileContent() { 108 | std::ifstream file(filename, std::ios::binary); 109 | if (!file.is_open()) { 110 | throw std::runtime_error("Error opening file for reading content."); 111 | } 112 | std::vector content((std::istreambuf_iterator(file)), std::istreambuf_iterator()); 113 | return content; 114 | } 115 | 116 | void WriteFileContent(const std::vector& content, const wchar_t* outputFilename) { 117 | std::ofstream file(outputFilename, std::ios::binary); 118 | if (!file.is_open()) { 119 | throw std::runtime_error("Error opening file for writing content."); 120 | } 121 | file.write(reinterpret_cast(content.data()), content.size()); 122 | } 123 | 124 | void EncryptFile() { 125 | PrintOperationDetails(L"Encrypting file"); 126 | std::vector fileContent = ReadFileContent(); 127 | std::vector key = DeriveKey(); 128 | std::vector iv(16); 129 | GenerateRandomBytes(iv); 130 | std::vector originalIV = iv; 131 | BCRYPT_ALG_HANDLE encAlgHandle; 132 | CheckStatus(L"BCryptOpenAlgorithmProvider failed", BCryptOpenAlgorithmProvider(&encAlgHandle, BCRYPT_AES_ALGORITHM, NULL, 0)); 133 | CheckStatus(L"BCryptSetProperty failed", BCryptSetProperty(encAlgHandle, BCRYPT_CHAINING_MODE, (PBYTE)BCRYPT_CHAIN_MODE_CBC, sizeof(BCRYPT_CHAIN_MODE_CBC), 0)); 134 | BCRYPT_KEY_HANDLE keyHandle; 135 | CheckStatus(L"BCryptGenerateSymmetricKey failed", BCryptGenerateSymmetricKey(encAlgHandle, &keyHandle, NULL, 0, key.data(), static_cast(key.size()), 0)); 136 | DWORD cbCipherText = 0; 137 | CheckStatus(L"BCryptEncrypt (determine size) failed", BCryptEncrypt( 138 | keyHandle, 139 | fileContent.data(), 140 | static_cast(fileContent.size()), 141 | NULL, 142 | iv.data(), 143 | static_cast(iv.size()), 144 | NULL, 145 | 0, 146 | &cbCipherText, 147 | BCRYPT_BLOCK_PADDING 148 | )); 149 | std::vector cipherText(cbCipherText); 150 | CheckStatus(L"BCryptEncrypt failed", BCryptEncrypt( 151 | keyHandle, 152 | fileContent.data(), 153 | static_cast(fileContent.size()), 154 | NULL, 155 | iv.data(), 156 | static_cast(iv.size()), 157 | cipherText.data(), 158 | cbCipherText, 159 | &cbCipherText, 160 | BCRYPT_BLOCK_PADDING 161 | )); 162 | BCryptDestroyKey(keyHandle); 163 | BCryptCloseAlgorithmProvider(encAlgHandle, 0); 164 | std::vector encryptedContent; 165 | encryptedContent.insert(encryptedContent.end(), originalIV.begin(), originalIV.end()); 166 | encryptedContent.insert(encryptedContent.end(), cipherText.begin(), cipherText.end()); 167 | std::wstring outputFilename = std::wstring(filename) + L".enc"; 168 | WriteFileContent(encryptedContent, outputFilename.c_str()); 169 | std::wcout << L"Encryption successful." << std::endl; 170 | } 171 | 172 | void DecryptFile() { 173 | PrintOperationDetails(L"Decrypting file"); 174 | std::vector encryptedContentBytes = ReadFileContent(); 175 | if (encryptedContentBytes.size() < 16) { 176 | throw std::runtime_error("Invalid file format"); 177 | } 178 | std::vector iv(encryptedContentBytes.begin(), encryptedContentBytes.begin() + 16); 179 | std::wcout << L"IV: " << std::endl; 180 | PrintHexDump(iv.data(), iv.size()); 181 | std::vector cipherText(encryptedContentBytes.begin() + 16, encryptedContentBytes.end()); 182 | std::vector key = DeriveKey(); 183 | BCRYPT_ALG_HANDLE decAlgHandle; 184 | CheckStatus(L"BCryptOpenAlgorithmProvider failed", BCryptOpenAlgorithmProvider(&decAlgHandle, BCRYPT_AES_ALGORITHM, NULL, 0)); 185 | CheckStatus(L"BCryptSetProperty failed", BCryptSetProperty(decAlgHandle, BCRYPT_CHAINING_MODE, (PBYTE)BCRYPT_CHAIN_MODE_CBC, sizeof(BCRYPT_CHAIN_MODE_CBC), 0)); 186 | BCRYPT_KEY_HANDLE keyHandle; 187 | CheckStatus(L"BCryptGenerateSymmetricKey failed", BCryptGenerateSymmetricKey(decAlgHandle, &keyHandle, NULL, 0, key.data(), static_cast(key.size()), 0)); 188 | std::vector decryptedText(cipherText.size()); 189 | DWORD cbData = 0; 190 | NTSTATUS status = BCryptDecrypt( 191 | keyHandle, 192 | cipherText.data(), 193 | static_cast(cipherText.size()), 194 | NULL, 195 | iv.data(), 196 | static_cast(iv.size()), 197 | decryptedText.data(), 198 | static_cast(decryptedText.size()), 199 | &cbData, 200 | BCRYPT_BLOCK_PADDING 201 | ); 202 | if (NT_SUCCESS(status)) { 203 | BCryptDestroyKey(keyHandle); 204 | BCryptCloseAlgorithmProvider(decAlgHandle, 0); 205 | decryptedText.resize(cbData); 206 | std::wstring outputFilename = std::wstring(filename) + L".dec"; 207 | WriteFileContent(decryptedText, outputFilename.c_str()); 208 | std::wcout << L"Decryption successful." << std::endl; 209 | return; 210 | } 211 | BCryptDestroyKey(keyHandle); 212 | BCryptCloseAlgorithmProvider(decAlgHandle, 0); 213 | PrintError(L"BCryptDecrypt failed", status); 214 | throw std::runtime_error("Decryption failed."); 215 | } 216 | }; 217 | 218 | int wmain(int argc, wchar_t* argv[]) { 219 | try { 220 | if (argc != 4) { 221 | std::wcerr << L"Usage: " << argv[0] << L" " << std::endl; 222 | return 1; 223 | } 224 | AESCrypt aesCrypt(argv[1], argv[2], argv[3]); 225 | aesCrypt.Run(); 226 | } 227 | catch (const std::exception& ex) { 228 | std::cerr << "Error: " << ex.what() << std::endl; 229 | return 1; 230 | } 231 | 232 | return 0; 233 | } 234 | #endif // ENCRYPTION_TOOL_H -------------------------------------------------------------------------------- /AESCrypt/AESCrypt.vcxproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | Debug 6 | Win32 7 | 8 | 9 | Release 10 | Win32 11 | 12 | 13 | Debug 14 | x64 15 | 16 | 17 | Release 18 | x64 19 | 20 | 21 | 22 | 17.0 23 | Win32Proj 24 | {cb18bd1f-815f-4b97-b5ff-213e337d41c0} 25 | AESCrypt 26 | 10.0 27 | 28 | 29 | 30 | Application 31 | true 32 | v143 33 | Unicode 34 | 35 | 36 | Application 37 | false 38 | v143 39 | true 40 | Unicode 41 | 42 | 43 | Application 44 | true 45 | v143 46 | Unicode 47 | 48 | 49 | Application 50 | false 51 | v143 52 | true 53 | Unicode 54 | false 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | Level3 77 | true 78 | WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) 79 | true 80 | 81 | 82 | Console 83 | true 84 | 85 | 86 | 87 | 88 | Level3 89 | true 90 | true 91 | true 92 | WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) 93 | true 94 | 95 | 96 | Console 97 | true 98 | true 99 | true 100 | 101 | 102 | 103 | 104 | Level3 105 | true 106 | _DEBUG;_CONSOLE;%(PreprocessorDefinitions) 107 | true 108 | 109 | 110 | Console 111 | true 112 | 113 | 114 | 115 | 116 | Level3 117 | true 118 | true 119 | true 120 | NDEBUG;_CONSOLE;%(PreprocessorDefinitions) 121 | true 122 | 123 | 124 | Console 125 | true 126 | true 127 | true 128 | Bcrypt.lib 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | -------------------------------------------------------------------------------- /AESCrypt/AESCrypt.vcxproj.filters: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | {4FC737F1-C7A5-4376-A066-2A32D752A2FF} 6 | cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx 7 | 8 | 9 | {93995380-89BD-4b04-88EB-625FBE52EBFB} 10 | h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd 11 | 12 | 13 | {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} 14 | rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms 15 | 16 | 17 | 18 | 19 | Source Files 20 | 21 | 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/hackerhouse-opensource/AESCrypt/3f3194abdea83d1320ee2558285523bbf7172337/README.md --------------------------------------------------------------------------------