From 3716501690fb4e1ddd1af385b4d012cce2d107ac Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Fri, 19 Jun 2015 09:42:55 +0300 Subject: add buffer encryption to "boxes" --- utils/CMakeLists.txt | 12 +++ utils/common_aes.hpp | 132 ++++++++++++++++++++++++++++++++ utils/decrypt_file_aes.cpp | 182 +++++++++++++++++++++++++++++++++++++++++++++ utils/encrypt_file_aes.cpp | 182 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 508 insertions(+) create mode 100644 utils/common_aes.hpp create mode 100644 utils/decrypt_file_aes.cpp create mode 100644 utils/encrypt_file_aes.cpp (limited to 'utils') diff --git a/utils/CMakeLists.txt b/utils/CMakeLists.txt index e1099af..f38eeb8 100644 --- a/utils/CMakeLists.txt +++ b/utils/CMakeLists.txt @@ -6,3 +6,15 @@ endmacro() util(aes128ecb_encrypt_file) util(aes128ecb_decrypt_file) + +find_package(Boost REQUIRED COMPONENTS program_options) + +add_executable(util_encrypt_file_aes encrypt_file_aes.cpp common_aes.hpp) +target_include_directories(util_encrypt_file_aes PRIVATE ${Boost_INCLUDE_DIRS}) +target_link_libraries(util_encrypt_file_aes libaesni libaesnixx ${Boost_LIBRARIES}) +set_target_properties(util_encrypt_file_aes PROPERTIES OUTPUT_NAME encrypt_file_aes) + +add_executable(util_decrypt_file_aes decrypt_file_aes.cpp common_aes.hpp) +target_include_directories(util_decrypt_file_aes PRIVATE ${Boost_INCLUDE_DIRS}) +target_link_libraries(util_decrypt_file_aes libaesni libaesnixx ${Boost_LIBRARIES}) +set_target_properties(util_decrypt_file_aes PROPERTIES OUTPUT_NAME decrypt_file_aes) diff --git a/utils/common_aes.hpp b/utils/common_aes.hpp new file mode 100644 index 0000000..630f143 --- /dev/null +++ b/utils/common_aes.hpp @@ -0,0 +1,132 @@ +/** + * \file + * \author Egor Tensin + * \date 2015 + * \copyright This file is licensed under the terms of the MIT License. + * See LICENSE.txt for details. + */ + +#pragma once + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include + +static std::istream& operator>>(std::istream& is, AesNI_BoxMode& dest) +{ + std::string src; + is >> src; + + if (boost::iequals(src, "ecb")) + dest = AESNI_ECB; + else if (boost::iequals(src, "cbc")) + dest = AESNI_CBC; + else if (boost::iequals(src, "cfb")) + dest = AESNI_CFB; + else if (boost::iequals(src, "ofb")) + dest = AESNI_OFB; + else if (boost::iequals(src, "ctr")) + dest = AESNI_CTR; + else + throw boost::program_options::validation_error(boost::program_options::validation_error::invalid_option_value, "mode", src); + + return is; +} + +static std::istream& operator>>(std::istream& is, AesNI_BoxAlgorithm& dest) +{ + std::string src; + is >> src; + + if (boost::iequals(src, "aes128")) + dest = AESNI_AES128; + else if (boost::iequals(src, "aes192")) + dest = AESNI_AES192; + else if (boost::iequals(src, "aes256")) + dest = AESNI_AES256; + else + throw boost::program_options::validation_error(boost::program_options::validation_error::invalid_option_value, "algorithm", src); + + return is; +} + +namespace +{ + class CommandLineParser + { + public: + CommandLineParser(const std::string& program_name) + : m_program_name(program_name) + , m_options("Options") + { } + + bool parse_options(int argc, char** argv) + { + namespace po = boost::program_options; + + m_options.add_options() + ("help,h", "show this message and exit") + ("mode,m", po::value(&m_mode)->required(), "set mode of operation") + ("algorithm,a", po::value(&m_algorithm)->required(), "set algorithm"); + + po::options_description hidden_options; + hidden_options.add_options() + ("positional", po::value>(&m_args)); + + po::options_description all_options; + all_options.add(m_options).add(hidden_options); + + po::positional_options_description positional_options; + positional_options.add("positional", -1); + + po::variables_map vm; + po::store(po::command_line_parser(argc, argv).options(all_options).positional(positional_options).run(), vm); + + if (vm.count("help")) + { + print_usage(); + return false; + } + + po::notify(vm); + return true; + } + + void print_usage() + { + std::cout << "Usage: " << m_program_name << " [OPTIONS...] KEY [IV] SRC_PATH DEST_PATH\n"; + std::cout << m_options << "\n"; + } + + AesNI_BoxMode get_mode() const + { + return m_mode; + } + + AesNI_BoxAlgorithm get_algorithm() const + { + return m_algorithm; + } + + std::deque get_args() + { + return { std::make_move_iterator(m_args.begin()), std::make_move_iterator(m_args.end()) }; + } + + private: + const std::string m_program_name; + boost::program_options::options_description m_options; + + AesNI_BoxMode m_mode; + AesNI_BoxAlgorithm m_algorithm; + std::vector m_args; + }; +} diff --git a/utils/decrypt_file_aes.cpp b/utils/decrypt_file_aes.cpp new file mode 100644 index 0000000..0112f4a --- /dev/null +++ b/utils/decrypt_file_aes.cpp @@ -0,0 +1,182 @@ +/** + * \file + * \author Egor Tensin + * \date 2015 + * \copyright This file is licensed under the terms of the MIT License. + * See LICENSE.txt for details. + */ + +#include "common_aes.hpp" + +#include + +#include + +#include + +#include + +#include +#include +#include +#include +#include +#include + +namespace +{ + std::ifstream::pos_type get_file_size(const std::string& path) + { + std::ifstream ifs; + ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); + ifs.open(path, std::ifstream::binary | std::ifstream::ate); + return ifs.tellg(); + } + + std::vector read_file(const std::string& path) + { + const auto size = static_cast(get_file_size(path)); + + std::ifstream ifs; + ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); + ifs.open(path, std::ifstream::binary); + + std::vector src_buf; + src_buf.reserve(size); + src_buf.assign(std::istreambuf_iterator(ifs), + std::istreambuf_iterator()); + return src_buf; + } + + void write_file(const std::string& path, const std::vector& src) + { + std::ofstream ofs; + ofs.exceptions(std::ofstream::badbit | std::ofstream::failbit); + ofs.open(path, std::ofstream::binary); + ofs.write(src.data(), src.size()); + } +} + +int main(int argc, char** argv) +{ + try + { + CommandLineParser cmd_parser("encrypt_file_aes.exe"); + + if (!cmd_parser.parse_options(argc, argv)) + return 0; + + auto args = cmd_parser.get_args(); + + if (args.empty()) + { + cmd_parser.print_usage(); + return 1; + } + + AesNI_BoxAlgorithmParams algorithm_params; + + switch (cmd_parser.get_algorithm()) + { + case AESNI_AES128: + aesni::aes::from_string(algorithm_params.aes128_key, args.front()); + break; + + case AESNI_AES192: + aesni::aes::from_string(algorithm_params.aes192_key, args.front()); + break; + + case AESNI_AES256: + aesni::aes::from_string(algorithm_params.aes256_key, args.front()); + break; + } + + args.pop_front(); + + AesNI_BoxBlock iv; + AesNI_BoxBlock* iv_ptr = nullptr; + + switch (cmd_parser.get_mode()) + { + case AESNI_ECB: + break; + + case AESNI_CBC: + case AESNI_CFB: + case AESNI_OFB: + case AESNI_CTR: + if (args.empty()) + { + cmd_parser.print_usage(); + return 1; + } + aesni::aes::from_string(iv.aes_block, args.front()); + iv_ptr = &iv; + args.pop_front(); + break; + } + + if (args.size() != 2) + { + cmd_parser.print_usage(); + return 1; + } + + const auto src_path = args[0]; + const auto dest_path = args[1]; + + const auto src_buf = read_file(src_path); + + AesNI_Box box; + + aesni_box_init( + &box, + cmd_parser.get_algorithm(), + &algorithm_params, + cmd_parser.get_mode(), + iv_ptr, + aesni::ErrorDetailsThrowsInDestructor()); + + std::size_t dest_size; + + aesni_box_decrypt_buffer( + &box, + src_buf.data(), + src_buf.size(), + nullptr, + &dest_size, + aesni::ErrorDetailsThrowsInDestructor()); + + std::vector dest_buf; + dest_buf.resize(dest_size); + + aesni_box_decrypt_buffer( + &box, + src_buf.data(), + src_buf.size(), + dest_buf.data(), + &dest_size, + aesni::ErrorDetailsThrowsInDestructor()); + + dest_buf.resize(dest_size); + + write_file(dest_path, dest_buf); + + return 0; + } + catch (const boost::program_options::error& e) + { + std::cerr << "Usage error: " << e.what() << "\n"; + return 1; + } + catch (const aesni::Error& e) + { + std::cerr << e; + return 1; + } + catch (const std::exception& e) + { + std::cerr << e.what() << "\n"; + return 1; + } +} diff --git a/utils/encrypt_file_aes.cpp b/utils/encrypt_file_aes.cpp new file mode 100644 index 0000000..dae7c57 --- /dev/null +++ b/utils/encrypt_file_aes.cpp @@ -0,0 +1,182 @@ +/** + * \file + * \author Egor Tensin + * \date 2015 + * \copyright This file is licensed under the terms of the MIT License. + * See LICENSE.txt for details. + */ + +#include "common_aes.hpp" + +#include + +#include + +#include + +#include + +#include +#include +#include +#include +#include +#include + +namespace +{ + std::ifstream::pos_type get_file_size(const std::string& path) + { + std::ifstream ifs; + ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); + ifs.open(path, std::ifstream::binary | std::ifstream::ate); + return ifs.tellg(); + } + + std::vector read_file(const std::string& path) + { + const auto size = static_cast(get_file_size(path)); + + std::ifstream ifs; + ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); + ifs.open(path, std::ifstream::binary); + + std::vector src_buf; + src_buf.reserve(size); + src_buf.assign(std::istreambuf_iterator(ifs), + std::istreambuf_iterator()); + return src_buf; + } + + void write_file(const std::string& path, const std::vector& src) + { + std::ofstream ofs; + ofs.exceptions(std::ofstream::badbit | std::ofstream::failbit); + ofs.open(path, std::ofstream::binary); + ofs.write(src.data(), src.size()); + } +} + +int main(int argc, char** argv) +{ + try + { + CommandLineParser cmd_parser("encrypt_file_aes.exe"); + + if (!cmd_parser.parse_options(argc, argv)) + return 0; + + auto args = cmd_parser.get_args(); + + if (args.empty()) + { + cmd_parser.print_usage(); + return 1; + } + + AesNI_BoxAlgorithmParams algorithm_params; + + switch (cmd_parser.get_algorithm()) + { + case AESNI_AES128: + aesni::aes::from_string(algorithm_params.aes128_key, args.front()); + break; + + case AESNI_AES192: + aesni::aes::from_string(algorithm_params.aes192_key, args.front()); + break; + + case AESNI_AES256: + aesni::aes::from_string(algorithm_params.aes256_key, args.front()); + break; + } + + args.pop_front(); + + AesNI_BoxBlock iv; + AesNI_BoxBlock* iv_ptr = nullptr; + + switch (cmd_parser.get_mode()) + { + case AESNI_ECB: + break; + + case AESNI_CBC: + case AESNI_CFB: + case AESNI_OFB: + case AESNI_CTR: + if (args.empty()) + { + cmd_parser.print_usage(); + return 1; + } + aesni::aes::from_string(iv.aes_block, args.front()); + iv_ptr = &iv; + args.pop_front(); + break; + } + + if (args.size() != 2) + { + cmd_parser.print_usage(); + return 1; + } + + const auto src_path = args[0]; + const auto dest_path = args[1]; + + const auto src_buf = read_file(src_path); + + AesNI_Box box; + + aesni_box_init( + &box, + cmd_parser.get_algorithm(), + &algorithm_params, + cmd_parser.get_mode(), + iv_ptr, + aesni::ErrorDetailsThrowsInDestructor()); + + std::size_t dest_size; + + aesni_box_encrypt_buffer( + &box, + src_buf.data(), + src_buf.size(), + nullptr, + &dest_size, + aesni::ErrorDetailsThrowsInDestructor()); + + std::vector dest_buf; + dest_buf.resize(dest_size); + + aesni_box_encrypt_buffer( + &box, + src_buf.data(), + src_buf.size(), + dest_buf.data(), + &dest_size, + aesni::ErrorDetailsThrowsInDestructor()); + + dest_buf.resize(dest_size); + + write_file(dest_path, dest_buf); + + return 0; + } + catch (const boost::program_options::error& e) + { + std::cerr << "Usage error: " << e.what() << "\n"; + return 1; + } + catch (const aesni::Error& e) + { + std::cerr << e; + return 1; + } + catch (const std::exception& e) + { + std::cerr << e.what() << "\n"; + return 1; + } +} -- cgit v1.2.3