86 lines
2.1 KiB
C++
86 lines
2.1 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 "config-keepassx.h"
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#include "crypto/SymmetricCipherGcrypt.h"
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SymmetricCipher::SymmetricCipher(SymmetricCipher::Algorithm algo, SymmetricCipher::Mode mode,
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SymmetricCipher::Direction direction)
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: m_backend(createBackend(algo, mode, direction))
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, m_initialized(false)
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{
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}
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SymmetricCipher::~SymmetricCipher()
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{
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}
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bool SymmetricCipher::init(const QByteArray& key, const QByteArray& iv)
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{
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if (!m_backend->init()) {
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return false;
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}
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if (!m_backend->setKey(key)) {
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return false;
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}
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if (!m_backend->setIv(iv)) {
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return false;
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}
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m_initialized = true;
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return true;
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}
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bool SymmetricCipher::isInitalized() const
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{
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return m_initialized;
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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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case SymmetricCipher::Twofish:
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case SymmetricCipher::Salsa20:
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return new SymmetricCipherGcrypt(algo, mode, direction);
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default:
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Q_ASSERT(false);
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return nullptr;
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}
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}
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bool SymmetricCipher::reset()
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{
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return 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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QString SymmetricCipher::errorString() const
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{
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return m_backend->errorString();
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}
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