/* * Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM) * * Copyright (C) 2013 Open Education Foundation * * Copyright (C) 2010-2013 Groupement d'Intérêt Public pour * l'Education Numérique en Afrique (GIP ENA) * * This file is part of OpenBoard. * * OpenBoard is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3 of the License, * with a specific linking exception for the OpenSSL project's * "OpenSSL" library (or with modified versions of it that use the * same license as the "OpenSSL" library). * * OpenBoard is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OpenBoard. If not, see <http://www.gnu.org/licenses/>. */ #ifndef UBCRYPTOUTILS_H_ #define UBCRYPTOUTILS_H_ #include <QtCore> #include <openssl/evp.h> #include "core/UBApplication.h" class UBCryptoUtils : public QObject { Q_OBJECT; public: static UBCryptoUtils* instance(); static void destroy(); QString symetricEncrypt(const QString& clear); QString symetricDecrypt(const QString& encrypted); private: UBCryptoUtils(QObject * pParent = 0); virtual ~UBCryptoUtils(); static UBCryptoUtils* sInstance; static QString sAESKey; static QString sAESSalt; void aesInit(); #if OPENSSL_VERSION_NUMBER >= 10100000L EVP_CIPHER_CTX *mAesEncryptContext; EVP_CIPHER_CTX *mAesDecryptContext; #else EVP_CIPHER_CTX mAesEncryptContext; EVP_CIPHER_CTX mAesDecryptContext; #endif }; #endif /* UBCRYPTOUTILS_H_ */