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/**
* \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.
*/
#pragma once
#include <aesnixx/all.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/program_options.hpp>
#include <istream>
#include <map>
#include <string>
static std::istream& operator>>(std::istream& is, aesni::Mode& dest)
{
static const char* const argument_name = "mode";
std::string src;
is >> src;
static std::map<std::string, aesni::Mode> lookup_table =
{
{ "ecb", AESNI_ECB },
{ "cbc", AESNI_CBC },
{ "cfb", AESNI_CFB },
{ "ofb", AESNI_OFB },
{ "ctr", AESNI_CTR },
};
const auto it = lookup_table.find(boost::algorithm::to_lower_copy(src));
if (it == lookup_table.cend())
throw boost::program_options::invalid_option_value(src);
dest = it->second;
return is;
}
static std::istream& operator>>(std::istream& is, aesni::Algorithm& dest)
{
static const char* const argument_name = "algorithm";
std::string src;
is >> src;
static std::map<std::string, aesni::Algorithm> lookup_table =
{
{ "aes128", AESNI_AES128 },
{ "aes192", AESNI_AES192 },
{ "aes256", AESNI_AES256 },
};
const auto it = lookup_table.find(boost::algorithm::to_lower_copy(src));
if (it == lookup_table.cend())
throw boost::program_options::invalid_option_value(src);
dest = it->second;
return is;
}
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