Mirek Kratochvil
e687629323
A minor bug was discovered in padding of short message signatures. If is silently fixed, causing some (very minor) incompatibility of signatures with previous versions.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
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/*
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* This file is part of Codecrypt.
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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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#include "generator.h"
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#include <fstream>
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#include <vector>
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static inline uint bytes (uint bits)
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{
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return (bits >> 3) + ( (bits & 7) ? 1 : 0);
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}
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void arcfour_rng::seed (uint bits, bool quick)
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{
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std::vector<byte> s;
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std::ifstream f;
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uint b = bytes (bits);
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if (b > 256) b = 256;
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f.open (quick ? "/dev/urandom" : "/dev/random",
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std::ios::in | std::ios::binary);
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s.resize (b);
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for (uint i = 0; i < b; ++i) f >> s[i];
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f.close();
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r.load_key (s);
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}
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