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