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// Copyright (c) 2015 Egor Tensin <egor@tensin.name>
// This file is part of the "AES tools" project.
// For details, see https://github.com/egor-tensin/aes-tools.
// Distributed under the MIT License.
#pragma once
#include "cmd_parser.hpp"
#include "data_parsers.hpp"
#include <aesxx/all.hpp>
#include <boost/optional.hpp>
#include <boost/program_options.hpp>
#include <optional>
#include <string>
#include <string_view>
class FileSettings : public SettingsParser {
public:
explicit FileSettings(std::string_view argv0) : SettingsParser{argv0} {
namespace po = boost::program_options;
visible.add_options()(
"algorithm,a", po::value(&algorithm)->required()->value_name("NAME"), "set algorithm"
);
visible.add_options()(
"mode,m", po::value(&mode)->required()->value_name("MODE"), "set mode of operation"
);
visible.add_options()(
"key,k", po::value(&key)->required()->value_name("KEY"), "set encryption key"
);
visible.add_options()(
"iv,v", po::value(&iv)->value_name("BLOCK"), "set initialization vector"
);
visible.add_options()(
"input,i", po::value(&input_path)->required()->value_name("PATH"), "set input file path"
);
visible.add_options()(
"output,o",
po::value(&output_path)->required()->value_name("PATH"),
"set output file path"
);
}
const char* get_short_description() const override {
return "[-h|--help] [-a|--algorithm NAME] [-m|--mode MODE]"
" [-k|--key KEY] [-v|--iv BLOCK]"
" [-i|--input PATH] [-o|--output PATH]";
}
void parse(int argc, char** argv) override {
SettingsParser::parse(argc, argv);
if (exit_with_usage())
return;
}
aes::Algorithm get_algorithm() const {
return algorithm;
}
aes::Mode get_mode() const {
return mode;
}
std::string get_input_path() const {
return input_path;
}
std::string get_output_path() const {
return output_path;
}
std::string get_key() const {
return key;
}
std::optional<aes::Block> get_iv() const {
if (iv)
return {*iv};
return {};
}
private:
aes::Algorithm algorithm;
aes::Mode mode;
std::string input_path;
std::string output_path;
std::string key;
boost::optional<aes::Block> iv;
};
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