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66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*****************************************************************************
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Copyright (C) 2014 eperi GmbH. All Rights Reserved.
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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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/******************************************************************//**
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@file include/fsp0pageencryption.h
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Helper functions for extracting/storing page encryption information to file space.
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Created 08/28/2014
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***********************************************************************/
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#ifndef FSP0PAGEENCRYPTION_H_
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#define FSP0PAGEENCRYPTION_H_
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#define FIL_PAGE_ENCRYPTION_AES_128 16 /*!< Encryption algorithm AES-128. */
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#define FIL_PAGE_ENCRYPTION_AES_196 24 /*!< Encryption algorithm AES-196. */
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#define FIL_PAGE_ENCRYPTION_AES_256 32 /*!< Encryption algorithm AES-256. */
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#define FIL_PAGE_ENCRYPTED_SIZE 2 /*!< Number of bytes used to store
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actual payload data size on encrypted pages. */
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/********************************************************************//**
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Determine if the tablespace is page encrypted from dict_table_t::flags.
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@return TRUE if page encrypted, FALSE if not page encrypted */
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UNIV_INLINE
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ibool
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fsp_flags_is_page_encrypted(
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/*=========================*/
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ulint flags); /*!< in: tablespace flags */
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/********************************************************************//**
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Extract the page encryption key from tablespace flags.
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A tablespace has only one physical page encryption key
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whether that page is encrypted or not.
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@return page encryption key of the file-per-table tablespace,
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or zero if the table is not encrypted. */
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UNIV_INLINE
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ulint
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fsp_flags_get_page_encryption_key(
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/*=================================*/
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ulint flags); /*!< in: tablespace flags */
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#ifndef UNIV_NONINL
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#include "fsp0pageencryption.ic"
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#endif
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#endif /* FSP0PAGEENCRYPTION_H_ */
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