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// Copyright (c) 2014, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2006-2013, Andrey N. Sabelnikov
#ifndef _CRYPTED_STORAGE_H_
#define _CRYPTED_STORAGE_H_
#include "cryptopp_helper.h"
namespace epee
{
template<class t_base_storage, class crypt_provider, class t_key_provider>
class crypted_storage: public t_base_storage
{
public:
size_t PackToSolidBuffer(std::string& targetObj)
{
size_t res = t_base_storage::PackToSolidBuffer(targetObj);
if(res <= 0)
return res;
if(!crypt_provider::encrypt(targetObj, t_key_provider::get_storage_default_key()))
return 0;
return targetObj.size();
}
size_t LoadFromSolidBuffer(const std::string& pTargetObj)
{
std::string buff_to_decrypt = pTargetObj;
if(crypt_provider::decrypt(buff_to_decrypt, t_key_provider::get_storage_default_key()))
return t_base_storage::LoadFromSolidBuffer(buff_to_decrypt);
return 0;
}
};
}
#endif //_CRYPTED_STORAGE_H_
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