mirror of
https://github.com/biergaizi/codecrypt
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77 lines
1.9 KiB
C++
77 lines
1.9 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_matrix_h_
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#define _ccr_matrix_h_
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#include <vector>
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#include "types.h"
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#include "bvector.h"
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#include "vector_item.h"
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/*
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* matrix over GF(2) is a vector of columns
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*/
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class permutation;
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class prng;
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class matrix : public std::vector<bvector>
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{
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protected:
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_ccr_declare_vector_item
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_ccr_declare_matrix_item
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public:
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uint width() const {
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return size();
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}
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uint height() const {
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if (size()) return item (0).size();
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return 0;
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}
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void resize2 (uint w, uint h, bool def = 0);
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matrix operator* (const matrix&);
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void mult (const matrix&); //right multiply - this*param
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void zero ();
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void unit (uint);
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void compute_transpose (matrix&);
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bool compute_inversion (matrix&,
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bool upper_tri = false,
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bool lower_tri = false);
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bool set_block (uint, uint, const matrix&);
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bool get_right_square (matrix&);
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bool strip_right_square (matrix&);
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void extend_left_compact (matrix&);
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bool create_goppa_generator (matrix&, permutation&, prng&);
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bool create_goppa_generator (matrix&, const permutation&);
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sencode* serialize();
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bool unserialize (sencode*);
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};
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#endif
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