1 files changed, 87 insertions, 0 deletions
diff --git a/lib/verity/verity.h b/lib/verity/verity.h
new file mode 100644
index 0000000..afc411e
--- /dev/null
+++ b/lib/verity/verity.h
@@ -0,0 +1,87 @@
+/*
+ * dm-verity volume handling
+ *
+ * Copyright (C) 2012-2023 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);
+uint64_t VERITY_FEC_RS_blocks(uint64_t blocks, uint32_t roots);
+
+int VERITY_UUID_generate(char **uuid_string);
+
+int VERITY_dump(struct crypt_device *cd,
+		struct crypt_params_verity *verity_hdr,
+		const char *root_hash,
+		unsigned int root_hash_size,
+		struct device *fec_device);
+
+#endif