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64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/* Copyright (C) 2014 eperi GmbH.
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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; version 2 of the License.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/******************************************************************//**
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@file KeySingleton.cc
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Implementation of single pattern to keep keys for encrypting/decrypting pages.
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Created 09/13/2014
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***********************************************************************/
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#include <my_global.h>
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#include <sql_class.h>
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#include "KeySingleton.h"
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bool KeySingleton::instanceInited = false;
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KeySingleton KeySingleton::theInstance;
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EncKeys KeySingleton::encKeys;
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KeySingleton & KeySingleton::getInstance()
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{
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#ifndef DBUG_OFF
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if( !instanceInited)
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{
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sql_print_error("Encryption / decryption keys were not initialized. "
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"You can not read encrypted tables or columns\n");
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}
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#endif /* DBUG_OFF */
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return theInstance;
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}
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KeySingleton & KeySingleton::getInstance(const char *filename,
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const char *filekey)
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{
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if (!instanceInited)
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{
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if (!(instanceInited = encKeys.initKeys(filename, filekey)))
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sql_print_error("Could not initialize any of the encryption / "
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"decryption keys. You can not read encrypted tables");
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}
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return theInstance;
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}
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keyentry *KeySingleton::getKeys(int id)
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{
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return encKeys.getKeys(id);
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}
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bool KeySingleton::hasKey(int id)
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{
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return encKeys.getKeys(id) != NULL;
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}
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