mirror of
https://github.com/biergaizi/codecrypt
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61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
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/*
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* This file is part of Codecrypt.
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*
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* Copyright (C) 2013-2016 Mirek Kratochvil <exa.exa@gmail.com>
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*
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* Codecrypt is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* Codecrypt is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Codecrypt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ccr_sc_h_
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#define _ccr_sc_h_
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#include "types.h"
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#include "factoryof.h"
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#include <sys/types.h>
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#include <vector>
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#include <map>
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#include <string>
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class streamcipher
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{
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public:
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virtual void init() = 0;
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virtual void clear() = 0;
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virtual void load_key (const byte*begin, const byte*end) = 0;
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virtual byte gen() = 0;
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virtual void gen (size_t n, byte*out) = 0;
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//advisory values for effective usage
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virtual size_t key_size() = 0;
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virtual size_t block_size() = 0;
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virtual ~streamcipher() {}
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void discard (size_t n) {
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gen (n, 0);
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}
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void load_key_vector (const std::vector<byte>&K) {
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load_key (& (K[0]), & (K[K.size()]));
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}
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typedef std::map<std::string, factoryof<streamcipher>*> suite_t;
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static suite_t& suite();
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};
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#endif
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