mirror of
https://github.com/keepassxreboot/keepassxc.git
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60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
/*
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* Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 or (at your option)
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* version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Random.h"
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#include <gcrypt.h>
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#include "crypto/Crypto.h"
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void Random::randomize(QByteArray& ba)
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{
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randomize(ba.data(), ba.size());
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}
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QByteArray Random::randomArray(int len)
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{
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QByteArray ba;
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ba.resize(len);
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randomize(ba);
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return ba;
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}
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quint32 Random::randomUInt(quint32 limit)
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{
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quint32 rand;
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randomize(&rand, 4);
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return (rand % limit);
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}
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quint32 Random::randomUIntRange(quint32 min, quint32 max)
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{
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return min + randomUInt(max - min);
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}
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void Random::randomize(void* data, int len)
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{
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Q_ASSERT(Crypto::initalized());
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gcry_randomize(data, len, GCRY_STRONG_RANDOM);
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}
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Random::Random()
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{
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}
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