mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2025-07-12 09:39:38 -04:00
8a3985959d
This adds the ability to parse and validate (but not use) authentication factor information contained within the KDBX outer header. Use authentication factor headers if present for opening database Saving the database will still discard the header information, but read-only access works.
86 lines
2.2 KiB
C++
86 lines
2.2 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 <QSharedPointer>
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#include <QString>
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namespace Botan
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{
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class Cipher_Mode;
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}
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class SymmetricCipher
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{
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public:
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enum Mode
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{
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Aes128_CBC,
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Aes256_CBC,
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Aes128_CTR,
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Aes256_CTR,
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Twofish_CBC,
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ChaCha20,
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Salsa20,
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Aes256_GCM,
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Aes256_CBC_UNPADDED,
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InvalidMode = -1,
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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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explicit SymmetricCipher() = default;
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~SymmetricCipher() = default;
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bool isInitialized() const;
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Q_REQUIRED_RESULT bool init(Mode mode, Direction direction, const QByteArray& key, const QByteArray& iv);
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Q_REQUIRED_RESULT bool process(char* data, int len);
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Q_REQUIRED_RESULT bool process(QByteArray& data);
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Q_REQUIRED_RESULT bool finish(QByteArray& data);
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static bool aesKdf(const QByteArray& key, int rounds, QByteArray& data);
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void reset();
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Mode mode();
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QString errorString() const;
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static Mode cipherUuidToMode(const QUuid& uuid);
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static Mode stringToMode(const QString& cipher);
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static int defaultIvSize(Mode mode);
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static int keySize(Mode mode);
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static int blockSize(Mode mode);
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static int ivSize(Mode mode);
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private:
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static QString modeToString(const Mode mode);
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QString m_error;
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Mode m_mode;
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QSharedPointer<Botan::Cipher_Mode> m_cipher;
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Q_DISABLE_COPY(SymmetricCipher)
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};
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#endif // KEEPASSX_SYMMETRICCIPHER_H
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