Imported Upstream version 2.6.1

[platform/upstream/cryptsetup.git] / lib / tcrypt / tcrypt.h

diff --git a/lib/tcrypt/tcrypt.h b/lib/tcrypt/tcrypt.h
index 61afa7d..b95d74d 100644 (file)
--- a/lib/tcrypt/tcrypt.h
+++ b/lib/tcrypt/tcrypt.h
@@ -1,39 +1,48 @@
 /*
- * TCRYPT - header defitinion
+ * TCRYPT (TrueCrypt-compatible)  header definition
  *
- * Copyright (C) 2012, Red Hat, Inc. All rights reserved.
- * Copyright (C) 2012, Milan Broz
+ * Copyright (C) 2012-2023 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2012-2023 Milan Broz
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
+ * This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This program is distributed in the hope that it will be useful,
+ * This file 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser 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
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this file; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "libcryptsetup.h"
-
 #ifndef _CRYPTSETUP_TCRYPT_H
 #define _CRYPTSETUP_TCRYPT_H
 
+#include <stdint.h>
+
 #define TCRYPT_HDR_SALT_LEN 64
 #define TCRYPT_HDR_IV_LEN   16
 #define TCRYPT_HDR_LEN     448
 #define TCRYPT_HDR_KEY_LEN 192
 #define TCRYPT_HDR_MAGIC "TRUE"
+#define VCRYPT_HDR_MAGIC "VERA"
 #define TCRYPT_HDR_MAGIC_LEN 4
 
+#define TCRYPT_HDR_HIDDEN_OFFSET_OLD -1536
 #define TCRYPT_HDR_HIDDEN_OFFSET 65536
 
+#define TCRYPT_HDR_HIDDEN_OFFSET_BCK -65536
+#define TCRYPT_HDR_OFFSET_BCK -131072
+
+#define TCRYPT_HDR_SYSTEM_OFFSET 31744
+
 #define TCRYPT_LRW_IKEY_LEN 16
 #define TCRYPT_KEY_POOL_LEN 64
+#define VCRYPT_KEY_POOL_LEN 128
 #define TCRYPT_KEYFILE_LEN  1048576
 
 #define TCRYPT_HDR_FLAG_SYSTEM    (1 << 0)
@@ -64,7 +73,9 @@ struct tcrypt_phdr {
        };
 } __attribute__((__packed__));
 
-struct crypt_dm_active_device;
+struct crypt_device;
+struct crypt_params_tcrypt;
+struct dm_target;
 struct volume_key;
 struct device;
 
@@ -73,7 +84,8 @@ int TCRYPT_read_phdr(struct crypt_device *cd,
                     struct crypt_params_tcrypt *params);
 
 int TCRYPT_init_by_name(struct crypt_device *cd, const char *name,
-                       const struct crypt_dm_active_device *dmd,
+                       const char *uuid,
+                       const struct dm_target *tgt,
                        struct device **device,
                        struct crypt_params_tcrypt *tcrypt_params,
                        struct tcrypt_phdr *tcrypt_hdr);
@@ -85,14 +97,24 @@ int TCRYPT_activate(struct crypt_device *cd,
                     uint32_t flags);
 
 int TCRYPT_deactivate(struct crypt_device *cd,
-                     const char *name);
+                     const char *name,
+                     uint32_t flags);
+
+uint64_t TCRYPT_get_data_offset(struct crypt_device *cd,
+                               struct tcrypt_phdr *hdr,
+                               struct crypt_params_tcrypt *params);
 
-uint64_t TCRYPT_get_data_offset(struct tcrypt_phdr *hdr);
-uint64_t TCRYPT_get_iv_offset(struct tcrypt_phdr *hdr);
+uint64_t TCRYPT_get_iv_offset(struct crypt_device *cd,
+                             struct tcrypt_phdr *hdr,
+                             struct crypt_params_tcrypt *params);
 
 int TCRYPT_get_volume_key(struct crypt_device *cd,
                          struct tcrypt_phdr *hdr,
                          struct crypt_params_tcrypt *params,
                          struct volume_key **vk);
 
+int TCRYPT_dump(struct crypt_device *cd,
+               struct tcrypt_phdr *hdr,
+               struct crypt_params_tcrypt *params);
+
 #endif