keepassxc

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/*
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 *  Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
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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 "Kdf.h"
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#include "crypto/Random.h"
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Kdf::Kdf(const QUuid& uuid)
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    : m_rounds(KDF_DEFAULT_ROUNDS)
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    , m_seed(QByteArray(KDF_MAX_SEED_SIZE, 0))
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    , m_uuid(uuid)
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{
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}
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const QUuid& Kdf::uuid() const
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{
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    return m_uuid;
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}
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int Kdf::rounds() const
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{
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    return m_rounds;
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}
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QByteArray Kdf::seed() const
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{
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    return m_seed;
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}
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bool Kdf::setRounds(int rounds)
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{
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    if (rounds >= 1 && rounds < INT_MAX) {
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        m_rounds = rounds;
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        return true;
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    }
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    m_rounds = 1;
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    return false;
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}
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bool Kdf::setSeed(const QByteArray& seed)
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{
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    if (seed.size() < KDF_MIN_SEED_SIZE || seed.size() > KDF_MAX_SEED_SIZE) {
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        return false;
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    }
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    m_seed = seed;
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    return true;
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}
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void Kdf::randomizeSeed()
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{
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    setSeed(randomGen()->randomArray(m_seed.size()));
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}
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