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https://github.com/MariaDB/server.git
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81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/*****************************************************************************
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Copyright (c) 2015, 2017, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/fil0crypt.ic
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The low-level file system encryption support functions
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Created 04/01/2015 Jan Lindström
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*******************************************************/
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/*******************************************************************//**
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Find out whether the page is page encrypted
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@return true if page is page encrypted, false if not */
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UNIV_INLINE
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bool
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fil_page_is_encrypted(
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/*==================*/
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const byte *buf) /*!< in: page */
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{
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return(mach_read_from_4(buf+FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION) != 0);
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}
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/*******************************************************************//**
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Get current encryption mode from crypt_data.
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@return string representation */
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UNIV_INLINE
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const char *
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fil_crypt_get_mode(
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/*===============*/
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const fil_space_crypt_t* crypt_data)
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{
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switch (crypt_data->encryption) {
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case FIL_ENCRYPTION_DEFAULT:
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return("Default tablespace encryption mode");
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case FIL_ENCRYPTION_ON:
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return("Tablespace encrypted");
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case FIL_ENCRYPTION_OFF:
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return("Tablespace not encrypted");
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}
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ut_error;
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return ("NULL");
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}
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/*******************************************************************//**
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Get current encryption type from crypt_data.
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@return string representation */
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UNIV_INLINE
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const char *
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fil_crypt_get_type(
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const fil_space_crypt_t* crypt_data)
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{
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ut_ad(crypt_data != NULL);
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switch (crypt_data->type) {
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case CRYPT_SCHEME_UNENCRYPTED:
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return("scheme unencrypted");
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break;
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case CRYPT_SCHEME_1:
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return("scheme encrypted");
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break;
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default:
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ut_error;
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}
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return ("NULL");
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}
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