71 lines
2.0 KiB
C++
71 lines
2.0 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 "SymmetricCipher.h"
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#include "crypto/SymmetricCipherGcrypt.h"
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#include "crypto/SymmetricCipherSalsa20.h"
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SymmetricCipher::SymmetricCipher(SymmetricCipher::Algorithm algo, SymmetricCipher::Mode mode,
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SymmetricCipher::Direction direction, const QByteArray& key, const QByteArray& iv)
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: m_backend(createBackend(algo, mode, direction))
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{
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m_backend->init();
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m_backend->setKey(key);
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m_backend->setIv(iv);
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}
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SymmetricCipher::~SymmetricCipher()
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{
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}
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SymmetricCipherBackend* SymmetricCipher::createBackend(SymmetricCipher::Algorithm algo, SymmetricCipher::Mode mode,
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SymmetricCipher::Direction direction)
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{
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switch (algo) {
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case SymmetricCipher::Aes256:
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return new SymmetricCipherGcrypt(algo, mode, direction);
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case SymmetricCipher::Salsa20:
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return new SymmetricCipherSalsa20(algo, mode, direction);
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default:
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Q_ASSERT(false);
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return 0;
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}
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}
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QByteArray SymmetricCipher::process(const QByteArray& data)
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{
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return m_backend->process(data);
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}
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void SymmetricCipher::processInPlace(QByteArray& data)
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{
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m_backend->processInPlace(data);
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}
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void SymmetricCipher::reset()
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{
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m_backend->reset();
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}
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int SymmetricCipher::blockSize() const
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{
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return m_backend->blockSize();
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}
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