64 lines
1.5 KiB
C++
64 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_hash_h_
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#define _ccr_hash_h_
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#include <vector>
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#include <string>
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#include <map>
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#include "types.h"
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#include "factoryof.h"
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/*
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* hash-providing functor class, meant to be instantiated by user.
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*/
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class hash_func
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{
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public:
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virtual std::vector<byte> operator() (const std::vector<byte>&) = 0;
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virtual uint size() = 0; //in bytes
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};
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class hash_proc
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{
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public:
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virtual uint size() = 0;
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virtual void init() = 0;
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virtual void eat (const byte*begin, const byte*end) = 0;
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virtual std::vector<byte> finish() = 0;
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virtual ~hash_proc() {}
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void eat (const std::vector<byte>&a) {
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return eat (& (a[0]), & (a[a.size()]));
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}
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typedef std::map<std::string, factoryof<hash_proc>*> suite_t;
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static suite_t& suite();
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virtual bool cryptographically_significant() {
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return true;
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}
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};
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#endif
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