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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:44:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:44:12 +0000
commit1be69c2c660b70ac2f4de2a5326e27e3e60eb82d (patch)
treebb299ab6f411f4fccd735907035de710e4ec6abc /lib/tcrypt/tcrypt.h
parentInitial commit. (diff)
downloadcryptsetup-upstream/2%2.3.7.tar.xz
cryptsetup-upstream/2%2.3.7.zip
Adding upstream version 2:2.3.7.upstream/2%2.3.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/tcrypt/tcrypt.h')
-rw-r--r--lib/tcrypt/tcrypt.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/lib/tcrypt/tcrypt.h b/lib/tcrypt/tcrypt.h
new file mode 100644
index 0000000..ff12cbd
--- /dev/null
+++ b/lib/tcrypt/tcrypt.h
@@ -0,0 +1,121 @@
+/*
+ * TCRYPT (TrueCrypt-compatible) header definition
+ *
+ * Copyright (C) 2012-2021 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2012-2021 Milan Broz
+ *
+ * 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 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
+ * Lesser General Public License for more details.
+ *
+ * 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.
+ */
+
+#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)
+#define TCRYPT_HDR_FLAG_NONSYSTEM (1 << 1)
+
+struct tcrypt_phdr {
+ char salt[TCRYPT_HDR_SALT_LEN];
+
+ /* encrypted part, TCRYPT_HDR_LEN bytes */
+ union {
+ struct __attribute__((__packed__)) {
+ char magic[TCRYPT_HDR_MAGIC_LEN];
+ uint16_t version;
+ uint16_t version_tc;
+ uint32_t keys_crc32;
+ uint64_t _reserved1[2]; /* data/header ctime */
+ uint64_t hidden_volume_size;
+ uint64_t volume_size;
+ uint64_t mk_offset;
+ uint64_t mk_size;
+ uint32_t flags;
+ uint32_t sector_size;
+ uint8_t _reserved2[120];
+ uint32_t header_crc32;
+ char keys[256];
+ } d;
+ char e[TCRYPT_HDR_LEN];
+ };
+} __attribute__((__packed__));
+
+struct crypt_device;
+struct crypt_params_tcrypt;
+struct crypt_dm_active_device;
+struct dm_target;
+struct volume_key;
+struct device;
+
+int TCRYPT_read_phdr(struct crypt_device *cd,
+ struct tcrypt_phdr *hdr,
+ struct crypt_params_tcrypt *params);
+
+int TCRYPT_init_by_name(struct crypt_device *cd, const char *name,
+ const char *uuid,
+ const struct dm_target *tgt,
+ struct device **device,
+ struct crypt_params_tcrypt *tcrypt_params,
+ struct tcrypt_phdr *tcrypt_hdr);
+
+int TCRYPT_activate(struct crypt_device *cd,
+ const char *name,
+ struct tcrypt_phdr *hdr,
+ struct crypt_params_tcrypt *params,
+ uint32_t flags);
+
+int TCRYPT_deactivate(struct crypt_device *cd,
+ 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_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