1 files changed, 81 insertions, 0 deletions
diff --git a/storage/innobase/include/fil0crypt.inl b/storage/innobase/include/fil0crypt.inl
new file mode 100644
index 00000000..cc59b394
--- /dev/null
+++ b/storage/innobase/include/fil0crypt.inl
@@ -0,0 +1,81 @@
+/*****************************************************************************
+
+Copyright (c) 2015, 2017, MariaDB Corporation.
+
+This program 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 2 of the License.
+
+This program 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
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
+
+*****************************************************************************/
+
+/**************************************************//**
+@file include/fil0crypt.ic
+The low-level file system encryption support functions
+
+Created 04/01/2015 Jan Lindström
+*******************************************************/
+
+/*******************************************************************//**
+Find out whether the page is page encrypted
+@return	true if page is page encrypted, false if not */
+UNIV_INLINE
+bool
+fil_page_is_encrypted(
+/*==================*/
+	const byte *buf)	/*!< in: page */
+{
+	return(mach_read_from_4(buf+FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION) != 0);
+}
+
+/*******************************************************************//**
+Get current encryption mode from crypt_data.
+@return string representation */
+UNIV_INLINE
+const char *
+fil_crypt_get_mode(
+/*===============*/
+	const fil_space_crypt_t* crypt_data)
+{
+	switch (crypt_data->encryption) {
+	case FIL_ENCRYPTION_DEFAULT:
+		return("Default tablespace encryption mode");
+	case FIL_ENCRYPTION_ON:
+		return("Tablespace encrypted");
+	case FIL_ENCRYPTION_OFF:
+		return("Tablespace not encrypted");
+	}
+
+	ut_error;
+	return ("NULL");
+}
+
+/*******************************************************************//**
+Get current encryption type from crypt_data.
+@return string representation */
+UNIV_INLINE
+const char *
+fil_crypt_get_type(
+	const fil_space_crypt_t* crypt_data)
+{
+	ut_ad(crypt_data != NULL);
+	switch (crypt_data->type) {
+	case CRYPT_SCHEME_UNENCRYPTED:
+		return("scheme unencrypted");
+		break;
+	case CRYPT_SCHEME_1:
+		return("scheme encrypted");
+		break;
+	default:
+		ut_error;
+	}
+
+	return ("NULL");
+}