mirror of
https://github.com/keepassxreboot/keepassxc.git
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89 lines
2.4 KiB
C++
89 lines
2.4 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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#ifndef KEEPASSX_SYMMETRICCIPHER_H
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#define KEEPASSX_SYMMETRICCIPHER_H
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#include <QByteArray>
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#include <QScopedPointer>
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#include <QString>
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#include "crypto/SymmetricCipherBackend.h"
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#include "format/KeePass2.h"
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class SymmetricCipher
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{
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public:
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enum Algorithm
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{
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Aes256,
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Twofish,
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Salsa20
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};
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enum Mode
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{
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Cbc,
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Ctr,
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Ecb,
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Stream
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};
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enum Direction
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{
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Decrypt,
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Encrypt
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};
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SymmetricCipher(SymmetricCipher::Algorithm algo, SymmetricCipher::Mode mode,
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SymmetricCipher::Direction direction);
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~SymmetricCipher();
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bool init(const QByteArray& key, const QByteArray& iv);
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bool isInitalized() const;
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inline QByteArray process(const QByteArray& data, bool* ok) {
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return m_backend->process(data, ok);
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}
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Q_REQUIRED_RESULT inline bool processInPlace(QByteArray& data) {
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return m_backend->processInPlace(data);
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}
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Q_REQUIRED_RESULT inline bool processInPlace(QByteArray& data, quint64 rounds) {
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Q_ASSERT(rounds > 0);
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return m_backend->processInPlace(data, rounds);
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}
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bool reset();
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int blockSize() const;
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QString errorString() const;
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static SymmetricCipher::Algorithm cipherToAlgorithm(Uuid cipher);
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static Uuid algorithmToCipher(SymmetricCipher::Algorithm algo);
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private:
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static SymmetricCipherBackend* createBackend(SymmetricCipher::Algorithm algo, SymmetricCipher::Mode mode,
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SymmetricCipher::Direction direction);
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const QScopedPointer<SymmetricCipherBackend> m_backend;
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bool m_initialized;
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Q_DISABLE_COPY(SymmetricCipher)
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};
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#endif // KEEPASSX_SYMMETRICCIPHER_H
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