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generated by cgit (git 2.34.1) at 2026-01-06 11:03:14 +0000
usterfs-snapshot.git/tree/xlators/encryption/crypt/src/metadata.h?id=dc646153c1a9733b44c78550e4b28ec0c9898b4f'>xlators/encryption/crypt/src/metadata.h
@@ -0,0 +1,74 @@
+/*
+ Copyright (c) 2008-2013 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#ifndef __METADATA_H__
+#define __METADATA_H__
+
+#define NMTD_8_MAC_SIZE (8)
+#define EMTD_8_MAC_SIZE (8)
+
+typedef uint8_t nmtd_8_mac_t[NMTD_8_MAC_SIZE];
+typedef uint8_t emtd_8_mac_t[EMTD_8_MAC_SIZE] ;
+
+/*
+ * Version "v1" of file's metadata.
+ * Metadata of this version has 4 components:
+ *
+ * 1) EMTD (Encrypted part of MeTaData);
+ * 2) NMTD (Non-encrypted part of MeTaData);
+ * 3) EMTD_MAC; (EMTD Message Authentication Code);
+ * 4) Array of per-link NMTD MACs (for every (hard)link it includes
+ * exactly one MAC)
+ */
+struct mtd_format_v1 {
+ /* EMTD, encrypted part of meta-data */
+ uint8_t alg_id; /* cipher algorithm id (only AES for now) */
+ uint8_t mode_id; /* cipher mode id; (only XTS for now) */
+ uint8_t block_bits; /* encoded block si