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authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-24 05:59:11 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-24 05:59:11 +0300
commit225ef13cc7f58b69ef4c4db6308a225c726359f7 (patch)
tree75454aa3d5b4042ddacbf22ddab2680c47caf405 /utils/aes_decrypt_bmp.cpp
parenttest: locate executables in PATH (diff)
downloadaes-tools-225ef13cc7f58b69ef4c4db6308a225c726359f7.tar.gz
aes-tools-225ef13cc7f58b69ef4c4db6308a225c726359f7.zip
move executables from test/ to utils/
Diffstat (limited to 'utils/aes_decrypt_bmp.cpp')
-rw-r--r--utils/aes_decrypt_bmp.cpp191
1 files changed, 0 insertions, 191 deletions
diff --git a/utils/aes_decrypt_bmp.cpp b/utils/aes_decrypt_bmp.cpp
deleted file mode 100644
index 85dffe5..0000000
--- a/utils/aes_decrypt_bmp.cpp
+++ /dev/null
@@ -1,191 +0,0 @@
-/**
- * \file
- * \author Egor Tensin <Egor.Tensin@gmail.com>
- * \date 2015
- * \copyright This file is licensed under the terms of the MIT License.
- * See LICENSE.txt for details.
- */
-
-#include "aes_common.hpp"
-
-#include <aesni/all.h>
-
-#include <aesnixx/all.hpp>
-
-#include <boost/program_options.hpp>
-
-#include <cstdlib>
-#include <cstring>
-
-#include <exception>
-#include <fstream>
-#include <iostream>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include <Windows.h>
-
-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<char> read_file(const std::string& path)
- {
- const auto size = static_cast<std::size_t>(get_file_size(path));
-
- std::ifstream ifs;
- ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit);
- ifs.open(path, std::ifstream::binary);
-
- std::vector<char> src_buf;
- src_buf.reserve(size);
- src_buf.assign(std::istreambuf_iterator<char>(ifs),
- std::istreambuf_iterator<char>());
- return src_buf;
- }
-
- void write_file(const std::string& path, const std::vector<char>& 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("aes_decrypt_bmp.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);
-
- const auto bmp_header = reinterpret_cast<const BITMAPFILEHEADER*>(src_buf.data());
-
- const auto header_size = bmp_header->bfOffBits;
- const auto cipherpixels = src_buf.data() + header_size;
- const auto cipherpixels_size = src_buf.size() - header_size;
-
- AesNI_Box box;
-
- aesni_box_init(
- &box,
- cmd_parser.get_algorithm(),
- &algorithm_params,
- cmd_parser.get_mode(),
- iv_ptr,
- aesni::ErrorDetailsThrowsInDestructor());
-
- std::size_t pixels_size;
-
- aesni_box_decrypt_buffer(
- &box,
- cipherpixels,
- cipherpixels_size,
- nullptr,
- &pixels_size,
- aesni::ErrorDetailsThrowsInDestructor());
-
- std::vector<char> dest_buf;
- dest_buf.resize(header_size + pixels_size);
- std::memcpy(dest_buf.data(), src_buf.data(), header_size);
-
- aesni_box_decrypt_buffer(
- &box,
- cipherpixels,
- cipherpixels_size,
- dest_buf.data() + header_size,
- &pixels_size,
- aesni::ErrorDetailsThrowsInDestructor());
-
- dest_buf.resize(header_size + pixels_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;
- }
-}