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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2017 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#include "key-params.hpp"
namespace ndn {
static const uint32_t MIN_RSA_KEY_SIZE = 1024;
static const uint32_t DEFAULT_RSA_KEY_SIZE = 2048;
static const uint32_t EC_KEY_SIZES[] = {256, 384};
static const uint32_t AES_KEY_SIZES[] = {128, 192, 256};
KeyParams::KeyParams(KeyType keyType, KeyIdType keyIdType)
: m_keyType(keyType)
, m_keyIdType(keyIdType)
{
BOOST_ASSERT(keyIdType != KeyIdType::USER_SPECIFIED);
}
KeyParams::KeyParams(KeyType keyType, const name::Component& keyId)
: m_keyType(keyType)
, m_keyIdType(KeyIdType::USER_SPECIFIED)
, m_keyId(keyId)
{
BOOST_ASSERT(!keyId.empty());
}
KeyParams::~KeyParams() = default;
namespace detail {
uint32_t
RsaKeyParamsInfo::checkKeySize(uint32_t size)
{
if (size < MIN_RSA_KEY_SIZE)
BOOST_THROW_EXCEPTION(KeyParams::Error("Unsupported RSA key size"));
return size;
}
uint32_t
RsaKeyParamsInfo::getDefaultSize()
{
return DEFAULT_RSA_KEY_SIZE;
}
uint32_t
EcKeyParamsInfo::checkKeySize(uint32_t size)
{
for (size_t i = 0; i < (sizeof(EC_KEY_SIZES) / sizeof(EC_KEY_SIZES[0])); i++) {
if (EC_KEY_SIZES[i] == size)
return size;
}
BOOST_THROW_EXCEPTION(KeyParams::Error("Unsupported EC key size"));
}
uint32_t
EcKeyParamsInfo::getDefaultSize()
{
return EC_KEY_SIZES[0];
}
uint32_t
AesKeyParamsInfo::checkKeySize(uint32_t size)
{
for (size_t i = 0; i < (sizeof(AES_KEY_SIZES) / sizeof(AES_KEY_SIZES[0])); i++) {
if (AES_KEY_SIZES[i] == size)
return size;
}
BOOST_THROW_EXCEPTION(KeyParams::Error("Unsupported AES key size"));
}
uint32_t
AesKeyParamsInfo::getDefaultSize()
{
return AES_KEY_SIZES[0];
}
} // namespace detail
} // namespace ndn