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-rw-r--r--lib/verity/verity.h80
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diff --git a/lib/verity/verity.h b/lib/verity/verity.h
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+/*
+ * dm-verity volume handling
+ *
+ * Copyright (C) 2012-2021 Red Hat, Inc. All rights reserved.
+ *
+ * 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 _VERITY_H
+#define _VERITY_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define VERITY_MAX_HASH_TYPE 1
+#define VERITY_BLOCK_SIZE_OK(x) ((x) % 512 || (x) < 512 || \
+ (x) > (512 * 1024) || (x) & ((x)-1))
+
+struct crypt_device;
+struct crypt_params_verity;
+struct device;
+
+int VERITY_read_sb(struct crypt_device *cd,
+ uint64_t sb_offset,
+ char **uuid,
+ struct crypt_params_verity *params);
+
+int VERITY_write_sb(struct crypt_device *cd,
+ uint64_t sb_offset,
+ const char *uuid_string,
+ struct crypt_params_verity *params);
+
+int VERITY_activate(struct crypt_device *cd,
+ const char *name,
+ const char *root_hash,
+ size_t root_hash_size,
+ const char *signature_description,
+ struct device *fec_device,
+ struct crypt_params_verity *verity_hdr,
+ uint32_t activation_flags);
+
+int VERITY_verify(struct crypt_device *cd,
+ struct crypt_params_verity *verity_hdr,
+ const char *root_hash,
+ size_t root_hash_size);
+
+int VERITY_create(struct crypt_device *cd,
+ struct crypt_params_verity *verity_hdr,
+ const char *root_hash,
+ size_t root_hash_size);
+
+int VERITY_FEC_process(struct crypt_device *cd,
+ struct crypt_params_verity *params,
+ struct device *fec_device,
+ int check_fec,
+ unsigned int *errors);
+
+uint64_t VERITY_hash_offset_block(struct crypt_params_verity *params);
+
+uint64_t VERITY_hash_blocks(struct crypt_device *cd, struct crypt_params_verity *params);
+
+uint64_t VERITY_FEC_blocks(struct crypt_device *cd,
+ struct device *fec_device,
+ struct crypt_params_verity *params);
+
+int VERITY_UUID_generate(struct crypt_device *cd, char **uuid_string);
+
+#endif