62 lines
1.9 KiB
C++
62 lines
1.9 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_SYMMETRICCIPHERGCRYPT_H
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#define KEEPASSX_SYMMETRICCIPHERGCRYPT_H
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#include <gcrypt.h>
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#include "crypto/SymmetricCipher.h"
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#include "crypto/SymmetricCipherBackend.h"
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class SymmetricCipherGcrypt : public SymmetricCipherBackend
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{
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public:
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SymmetricCipherGcrypt(SymmetricCipher::Algorithm algo, SymmetricCipher::Mode mode,
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SymmetricCipher::Direction direction);
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~SymmetricCipherGcrypt();
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bool init();
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bool setKey(const QByteArray& key);
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bool setIv(const QByteArray& iv);
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QByteArray process(const QByteArray& data, bool* ok);
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Q_REQUIRED_RESULT bool processInPlace(QByteArray& data);
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Q_REQUIRED_RESULT bool processInPlace(QByteArray& data, quint64 rounds);
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bool reset();
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int blockSize() const;
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QString errorString() const;
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private:
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static int gcryptAlgo(SymmetricCipher::Algorithm algo);
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static int gcryptMode(SymmetricCipher::Mode mode);
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void setErrorString(gcry_error_t err);
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gcry_cipher_hd_t m_ctx;
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const int m_algo;
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const int m_mode;
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const SymmetricCipher::Direction m_direction;
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QByteArray m_key;
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QByteArray m_iv;
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int m_blockSize;
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QString m_errorString;
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};
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#endif // KEEPASSX_SYMMETRICCIPHERGCRYPT_H
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