From 1be69c2c660b70ac2f4de2a5326e27e3e60eb82d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 19:44:12 +0200 Subject: Adding upstream version 2:2.3.7. Signed-off-by: Daniel Baumann --- lib/integrity/integrity.h | 103 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 lib/integrity/integrity.h (limited to 'lib/integrity/integrity.h') diff --git a/lib/integrity/integrity.h b/lib/integrity/integrity.h new file mode 100644 index 0000000..1f49612 --- /dev/null +++ b/lib/integrity/integrity.h @@ -0,0 +1,103 @@ +/* + * Integrity header definition + * + * Copyright (C) 2016-2021 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_INTEGRITY_H +#define _CRYPTSETUP_INTEGRITY_H + +#include + +struct crypt_device; +struct device; +struct crypt_params_integrity; +struct volume_key; +struct crypt_dm_active_device; + +/* dm-integrity helper */ +#define SB_MAGIC "integrt" +#define SB_VERSION_1 1 +#define SB_VERSION_2 2 +#define SB_VERSION_3 3 +#define SB_VERSION_4 4 +#define SB_VERSION_5 5 + +#define SB_FLAG_HAVE_JOURNAL_MAC (1 << 0) +#define SB_FLAG_RECALCULATING (1 << 1) /* V2 only */ +#define SB_FLAG_DIRTY_BITMAP (1 << 2) /* V3 only */ +#define SB_FLAG_FIXED_PADDING (1 << 3) /* V4 only */ +#define SB_FLAG_FIXED_HMAC (1 << 4) /* V5 only */ + +struct superblock { + uint8_t magic[8]; + uint8_t version; + int8_t log2_interleave_sectors; + uint16_t integrity_tag_size; + uint32_t journal_sections; + uint64_t provided_data_sectors; + uint32_t flags; + uint8_t log2_sectors_per_block; + uint8_t log2_blocks_per_bitmap_bit; /* V3 only */ + uint8_t pad[2]; + uint64_t recalc_sector; /* V2 only */ +} __attribute__ ((packed)); + +int INTEGRITY_read_sb(struct crypt_device *cd, + struct crypt_params_integrity *params, + uint32_t *flags); + +int INTEGRITY_dump(struct crypt_device *cd, struct device *device, uint64_t offset); + +int INTEGRITY_data_sectors(struct crypt_device *cd, + struct device *device, uint64_t offset, + uint64_t *data_sectors); +int INTEGRITY_key_size(struct crypt_device *cd, + const char *integrity); +int INTEGRITY_tag_size(struct crypt_device *cd, + const char *integrity, + const char *cipher, + const char *cipher_mode); +int INTEGRITY_hash_tag_size(const char *integrity); + +int INTEGRITY_format(struct crypt_device *cd, + const struct crypt_params_integrity *params, + struct volume_key *journal_crypt_key, + struct volume_key *journal_mac_key); + +int INTEGRITY_activate(struct crypt_device *cd, + const char *name, + const struct crypt_params_integrity *params, + struct volume_key *vk, + struct volume_key *journal_crypt_key, + struct volume_key *journal_mac_key, + uint32_t flags, uint32_t sb_flags); + +int INTEGRITY_create_dmd_device(struct crypt_device *cd, + const struct crypt_params_integrity *params, + struct volume_key *vk, + struct volume_key *journal_crypt_key, + struct volume_key *journal_mac_key, + struct crypt_dm_active_device *dmd, + uint32_t flags, uint32_t sb_flags); + +int INTEGRITY_activate_dmd_device(struct crypt_device *cd, + const char *name, + const char *type, + struct crypt_dm_active_device *dmd, + uint32_t sb_flags); +#endif -- cgit v1.2.3