1 files changed, 80 insertions, 0 deletions
diff --git a/lib/fvault2/fvault2.h b/lib/fvault2/fvault2.h
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+++ b/lib/fvault2/fvault2.h
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+/*
+ * FVAULT2 (FileVault2-compatible) volume handling
+ *
+ * Copyright (C) 2021-2022 Pavel Tobias
+ *
+ * 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_FVAULT2_H
+#define _CRYPTSETUP_FVAULT2_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define FVAULT2_WRAPPED_KEY_SIZE 24
+#define FVAULT2_PBKDF2_SALT_SIZE 16
+#define FVAULT2_UUID_LEN 37
+
+struct crypt_device;
+struct volume_key;
+
+struct fvault2_params {
+	const char *cipher;
+	const char *cipher_mode;
+	uint16_t key_size;
+	uint32_t pbkdf2_iters;
+	char pbkdf2_salt[FVAULT2_PBKDF2_SALT_SIZE];
+	char wrapped_kek[FVAULT2_WRAPPED_KEY_SIZE];
+	char wrapped_vk[FVAULT2_WRAPPED_KEY_SIZE];
+	char family_uuid[FVAULT2_UUID_LEN];
+	char ph_vol_uuid[FVAULT2_UUID_LEN];
+	uint64_t log_vol_off;
+	uint64_t log_vol_size;
+};
+
+int FVAULT2_read_metadata(
+	struct crypt_device *cd,
+	struct fvault2_params *params);
+
+int FVAULT2_get_volume_key(
+	struct crypt_device *cd,
+	const char *passphrase,
+	size_t passphrase_len,
+	const struct fvault2_params *params,
+	struct volume_key **vol_key);
+
+int FVAULT2_dump(
+	struct crypt_device *cd,
+	struct device *device,
+	const struct fvault2_params *params);
+
+int FVAULT2_activate_by_passphrase(
+	struct crypt_device *cd,
+	const char *name,
+	const char *passphrase,
+	size_t passphrase_len,
+	const struct fvault2_params *params,
+	uint32_t flags);
+
+int FVAULT2_activate_by_volume_key(
+	struct crypt_device *cd,
+	const char *name,
+	const char *key,
+	size_t key_size,
+	const struct fvault2_params *params,
+	uint32_t flags);
+
+#endif