mirror of
https://github.com/debauchee/barrier.git
synced 2025-07-21 10:27:36 +02:00
100 lines
2 KiB
C++
100 lines
2 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2013 Synergy Si Ltd.
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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 "io/CryptoMode.h"
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#include "io/XIO.h"
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using namespace CryptoPP;
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CryptoMode::CryptoMode(ECryptoMode mode, bool encryption) :
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m_mode(mode),
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m_crypto(NULL),
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m_encryption(encryption)
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{
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if (m_encryption) {
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switch (m_mode) {
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case kCfb:
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m_crypto = new CfbModeEnc;
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break;
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case kDisabled:
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break;
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default:
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throw XIOBadCryptoMode();
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}
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}
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else {
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switch (m_mode) {
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case kCfb:
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m_crypto = new CfbModeDec;
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break;
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case kDisabled:
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break;
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default:
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throw XIOBadCryptoMode();
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}
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}
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}
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CryptoMode::~CryptoMode()
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{
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if (m_crypto == NULL) {
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return;
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}
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if (m_encryption) {
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delete reinterpret_cast<CfbModeEnc*>(m_crypto);
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}
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else {
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delete reinterpret_cast<CfbModeDec*>(m_crypto);
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}
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}
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void
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CryptoMode::processData(byte* out, const byte* in, size_t length)
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{
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if (m_crypto == NULL) {
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return;
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}
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if (m_encryption) {
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reinterpret_cast<CfbModeEnc*>(m_crypto)->ProcessData(out, in, length);
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}
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else {
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reinterpret_cast<CfbModeDec*>(m_crypto)->ProcessData(out, in, length);
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}
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}
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void
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CryptoMode::setKeyWithIv(const byte* key, size_t length, const byte* iv)
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{
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if (m_crypto == NULL) {
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return;
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}
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if (m_encryption) {
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reinterpret_cast<CfbModeEnc*>(m_crypto)->SetKeyWithIV(key, length, iv);
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}
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else {
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reinterpret_cast<CfbModeDec*>(m_crypto)->SetKeyWithIV(key, length, iv);
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}
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}
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