wolfBoot/include/wolfboot/wolfboot.h

766 lines
26 KiB
C

/* wolfboot.h
*
* The wolfBoot API definitions.
*
* Copyright (C) 2026 wolfSSL Inc.
*
* This file is part of wolfBoot.
*
* wolfBoot is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfBoot 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef WOLFBOOT_H
#define WOLFBOOT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#ifdef __WOLFBOOT
/* Either hand-craft a device target.h file in [WOLFBOOT_ROOT]/include
* or let build process auto-create one from .config file or cmake presets.
*
* See template: [WOLFBOOT_ROOT]/include/target.h.in
* or unit test: [WOLFBOOT_ROOT]/tools/unit-tests/target.h
*/
#include "target.h"
#endif
#include "wolfboot/version.h"
#include "wolfboot/wc_secure.h"
#ifndef RAMFUNCTION
# if defined(__WOLFBOOT) && defined(RAM_CODE)
# if defined(ARCH_ARM)
# if defined(__has_attribute)
# if __has_attribute(long_call)
# define RAMFUNCTION __attribute__((used,section(".ramcode"),long_call))
# else
# define RAMFUNCTION __attribute__((used,section(".ramcode")))
# endif
# elif defined(__GNUC__)
# define RAMFUNCTION __attribute__((used,section(".ramcode"),long_call))
# else
# define RAMFUNCTION __attribute__((used,section(".ramcode")))
# endif
# elif defined(ARCH_PPC)
# define RAMFUNCTION __attribute__((used,section(".ramcode"),longcall))
# else
# define RAMFUNCTION __attribute__((used,section(".ramcode")))
# endif
# else
# define RAMFUNCTION
#endif
#endif
#ifndef WEAKFUNCTION
# if defined(__GNUC__) || defined(__CC_ARM)
# define WEAKFUNCTION __attribute__((weak))
# else
# define WEAKFUNCTION
# endif
#endif
#ifndef UNUSEDFUNCTION
# if defined(__GNUC__) || defined(__CC_ARM)
# define UNUSEDFUNCTION __attribute__((unused))
# else
# define UNUSEDFUNCTION
# endif
#endif
#ifndef NOINLINEFUNCTION
# if defined(__has_attribute)
# if __has_attribute(noinline)
# define NOINLINEFUNCTION __attribute__((noinline))
# else
# define NOINLINEFUNCTION
# endif
# elif defined(__GNUC__) || defined(__CC_ARM)
# define NOINLINEFUNCTION __attribute__((noinline))
# else
# define NOINLINEFUNCTION
# endif
#endif
/* Helpers for memory alignment */
#ifndef XALIGNED
#if defined(__GNUC__) || defined(__llvm__) || \
defined(__IAR_SYSTEMS_ICC__)
#define XALIGNED(x) __attribute__ ( (aligned (x)))
#elif defined(__KEIL__)
#define XALIGNED(x) __align(x)
#elif defined(_MSC_VER)
/* disable align warning, we want alignment ! */
#pragma warning(disable: 4324)
#define XALIGNED(x) __declspec (align (x))
#else
#define XALIGNED(x) /* null expansion */
#endif
#endif
#ifndef XALIGNED_STACK
/* Don't enforce stack alignment on IAR */
#if defined(__IAR_SYSTEMS_ICC__)
#define XALIGNED_STACK(x)
#else
#define XALIGNED_STACK(x) XALIGNED(x)
#endif
#endif
#ifndef IMAGE_HEADER_SIZE
/* Largest cases first */
# if defined(WOLFBOOT_SIGN_RSA4096) || defined(WOLFBOOT_SIGN_RSAPSS4096)
# define IMAGE_HEADER_SIZE 1024
/* RSA3072/RSAPSS3072 + strong hash */
# elif ((defined(WOLFBOOT_SIGN_RSA3072) || defined(WOLFBOOT_SIGN_RSAPSS3072)) && \
(defined(WOLFBOOT_HASH_SHA384) || defined(WOLFBOOT_HASH_SHA3_384)))
# define IMAGE_HEADER_SIZE 1024
/* RSA2048/RSAPSS2048 + SHA256 */
# elif (defined(WOLFBOOT_SIGN_RSA2048) || defined(WOLFBOOT_SIGN_RSAPSS2048)) && defined(WOLFBOOT_HASH_SHA256)
# define IMAGE_HEADER_SIZE 512
/* ECC384 requires 512 with SHA256 */
# elif defined(WOLFBOOT_SIGN_ECC384) && defined(WOLFBOOT_HASH_SHA256)
# define IMAGE_HEADER_SIZE 512
/* ED25519 + any 384-bit or SHA3 hash */
# elif defined(WOLFBOOT_SIGN_ED25519) && \
(defined(WOLFBOOT_HASH_SHA384) || \
defined(WOLFBOOT_HASH_SHA3) || \
defined(WOLFBOOT_HASH_SHA3_384))
# define IMAGE_HEADER_SIZE 256
/* ECC256 + any 384-bit hash */
# elif defined(WOLFBOOT_SIGN_ECC256) && \
(defined(WOLFBOOT_HASH_SHA384) || defined(WOLFBOOT_HASH_SHA3_384))
# define IMAGE_HEADER_SIZE 256
/* Secondary 512-byte fallbacks */
# elif defined(WOLFBOOT_SIGN_RSA3072) || defined(WOLFBOOT_SIGN_RSAPSS3072) || \
defined(WOLFBOOT_SIGN_ECC521) || \
defined(WOLFBOOT_SIGN_ED448) || \
defined(WOLFBOOT_HASH_SHA384) || \
defined(WOLFBOOT_HASH_SHA3_384)
# define IMAGE_HEADER_SIZE 512
/* Default header size */
# else
# define IMAGE_HEADER_SIZE 256
# endif
#endif /* IMAGE_HEADER_SIZE */
#define IMAGE_HEADER_OFFSET (2 * sizeof(uint32_t))
#ifndef FLASHBUFFER_SIZE
# ifdef NVM_FLASH_WRITEONCE
# define FLASHBUFFER_SIZE WOLFBOOT_SECTOR_SIZE
# else
# define FLASHBUFFER_SIZE IMAGE_HEADER_SIZE
# endif
#endif
#ifdef WOLFBOOT_SELF_HEADER
#ifndef WOLFBOOT_SELF_HEADER_SIZE
#define WOLFBOOT_SELF_HEADER_SIZE IMAGE_HEADER_SIZE
#endif
#if (WOLFBOOT_SELF_HEADER_SIZE < IMAGE_HEADER_SIZE)
#error "WOLFBOOT_SELF_HEADER_SIZE must be at least IMAGE_HEADER_SIZE"
#endif
#ifdef __WOLFBOOT
#if !defined(WOLFBOOT_PART_USE_ARCH_OFFSET)
#if (WOLFBOOT_PARTITION_SELF_HEADER_ADDRESS % WOLFBOOT_SECTOR_SIZE)
#error "WOLFBOOT_PARTITION_SELF_HEADER_ADDRESS must be sector aligned"
#endif
#endif
#endif
#ifdef WOLFBOOT_SELF_HEADER_EXT
#ifndef EXT_FLASH
#error "WOLFBOOT_SELF_HEADER_EXT requires EXT_FLASH"
#endif
#endif
#endif /* WOLFBOOT_SELF_HEADER */
#if defined(WOLFBOOT_SKIP_BOOT_VERIFY) && !defined(WOLFBOOT_SELF_HEADER)
#error "WOLFBOOT_SKIP_BOOT_VERIFY requires WOLFBOOT_SELF_HEADER"
#endif
#if defined(WOLFBOOT_SKIP_BOOT_VERIFY) && \
!defined(WOLFBOOT_SELF_UPDATE_MONOLITHIC)
#error "WOLFBOOT_SKIP_BOOT_VERIFY requires WOLFBOOT_SELF_UPDATE_MONOLITHIC"
#endif
#ifdef BIG_ENDIAN_ORDER
# define WOLFBOOT_MAGIC 0x574F4C46 /* WOLF */
# define WOLFBOOT_MAGIC_TRAIL 0x424F4F54 /* BOOT */
#else
# define WOLFBOOT_MAGIC 0x464C4F57 /* WOLF */
# define WOLFBOOT_MAGIC_TRAIL 0x544F4F42 /* BOOT */
#endif
#define HDR_END 0x00
#define HDR_VERSION 0x01
#define HDR_TIMESTAMP 0x02
#define HDR_SHA256 0x03
#define HDR_IMG_TYPE 0x04
#define HDR_IMG_DELTA_BASE 0x05
#define HDR_IMG_DELTA_SIZE 0x06
#define HDR_IMG_DELTA_BASE_HASH 0x07
#define HDR_PUBKEY 0x10
#define HDR_SECONDARY_CIPHER 0x11
#define HDR_SECONDARY_PUBKEY 0x12
#define HDR_SHA3_384 0x13
#define HDR_SHA384 0x14
#define HDR_IMG_DELTA_INVERSE 0x15
#define HDR_IMG_DELTA_INVERSE_SIZE 0x16
#define HDR_SIGNATURE 0x20
#define HDR_POLICY_SIGNATURE 0x21
#define HDR_SECONDARY_SIGNATURE 0x22
#define HDR_CERT_CHAIN 0x23
/* OS command line (ASCII), a wolfBoot-reserved tag in the custom range
* (0x0030-0xFEFE). Signature-covered, unlike an external cmdline file; consumed
* by the EFI targets and passed to the kernel via LoadOptions. */
#define HDR_CMDLINE 0x0034
/* Signature-covered digest of a raw (non-FIT) device tree, binding it to this
* image. Length = image hash size (WOLFBOOT_SHA_DIGEST_SIZE). */
#define HDR_DEVICE_TREE_DIGEST 0x35
#define HDR_PADDING 0xFF
/* Auth Key types */
#define AUTH_KEY_NONE 0x00
#define AUTH_KEY_ED25519 0x01
#define AUTH_KEY_ECC256 0x02
#define AUTH_KEY_RSA2048 0x03
#define AUTH_KEY_RSA4096 0x04
#define AUTH_KEY_ED448 0x05
#define AUTH_KEY_ECC384 0x06
#define AUTH_KEY_ECC521 0x07
#define AUTH_KEY_RSA3072 0x08
#define AUTH_KEY_LMS 0x09
#define AUTH_KEY_XMSS 0x0A
#define AUTH_KEY_ML_DSA 0x0B
#define AUTH_KEY_RSAPSS2048 0x0C
#define AUTH_KEY_RSAPSS3072 0x0D
#define AUTH_KEY_RSAPSS4096 0x0E
#define AUTH_KEY_NUM 0x0F
/*
* 8 bits: auth type
* 4 bits: extra features
* 4 bits: partition id (0 = bootloader)
*
*/
#define HDR_IMG_TYPE_AUTH_MASK 0xFF00
#define HDR_IMG_TYPE_AUTH_NONE 0xFF00
#define HDR_IMG_TYPE_AUTH_ED25519 (AUTH_KEY_ED25519 << 8)
#define HDR_IMG_TYPE_AUTH_ECC256 (AUTH_KEY_ECC256 << 8)
#define HDR_IMG_TYPE_AUTH_RSA2048 (AUTH_KEY_RSA2048 << 8)
#define HDR_IMG_TYPE_AUTH_RSA4096 (AUTH_KEY_RSA4096 << 8)
#define HDR_IMG_TYPE_AUTH_ED448 (AUTH_KEY_ED448 << 8)
#define HDR_IMG_TYPE_AUTH_ECC384 (AUTH_KEY_ECC384 << 8)
#define HDR_IMG_TYPE_AUTH_ECC521 (AUTH_KEY_ECC521 << 8)
#define HDR_IMG_TYPE_AUTH_RSA3072 (AUTH_KEY_RSA3072 << 8)
#define HDR_IMG_TYPE_AUTH_LMS (AUTH_KEY_LMS << 8)
#define HDR_IMG_TYPE_AUTH_XMSS (AUTH_KEY_XMSS << 8)
#define HDR_IMG_TYPE_AUTH_ML_DSA (AUTH_KEY_ML_DSA << 8)
#define HDR_IMG_TYPE_AUTH_RSAPSS2048 (AUTH_KEY_RSAPSS2048 << 8)
#define HDR_IMG_TYPE_AUTH_RSAPSS3072 (AUTH_KEY_RSAPSS3072 << 8)
#define HDR_IMG_TYPE_AUTH_RSAPSS4096 (AUTH_KEY_RSAPSS4096 << 8)
#define HDR_IMG_TYPE_DIFF 0x00D0
#define HDR_IMG_TYPE_PART_MASK 0x000F
#define HDR_IMG_TYPE_WOLFBOOT 0x0000
#ifndef HDR_IMG_TYPE_APP
#define HDR_IMG_TYPE_APP 0x0001
#endif
#define KEYSTORE_PUBKEY_SIZE_NONE 0
#define KEYSTORE_PUBKEY_SIZE_ED25519 32
#define KEYSTORE_PUBKEY_SIZE_ED448 57
#define KEYSTORE_PUBKEY_SIZE_ECC256 64
#define KEYSTORE_PUBKEY_SIZE_ECC384 96
#define KEYSTORE_PUBKEY_SIZE_ECC521 132
#define KEYSTORE_PUBKEY_SIZE_RSA2048 320
#define KEYSTORE_PUBKEY_SIZE_RSA3072 448
#define KEYSTORE_PUBKEY_SIZE_RSA4096 576
#define KEYSTORE_PUBKEY_SIZE_RSAPSS2048 KEYSTORE_PUBKEY_SIZE_RSA2048
#define KEYSTORE_PUBKEY_SIZE_RSAPSS3072 KEYSTORE_PUBKEY_SIZE_RSA3072
#define KEYSTORE_PUBKEY_SIZE_RSAPSS4096 KEYSTORE_PUBKEY_SIZE_RSA4096
#define KEYSTORE_PUBKEY_SIZE_LMS 60
#define KEYSTORE_PUBKEY_SIZE_XMSS 68
/* ML-DSA pub key size is a function of parameters. */
#define ML_DSA_L2_PUBKEY_SIZE 1312
#define ML_DSA_L3_PUBKEY_SIZE 1952
#define ML_DSA_L5_PUBKEY_SIZE 2592
/* Configure using ML_DSA_LEVEL: Default is security category 2. */
#ifndef ML_DSA_LEVEL
#define ML_DSA_LEVEL 2
#endif
#if ML_DSA_LEVEL == 2
#define KEYSTORE_PUBKEY_SIZE_ML_DSA ML_DSA_L2_PUBKEY_SIZE
#elif ML_DSA_LEVEL == 3
#define KEYSTORE_PUBKEY_SIZE_ML_DSA ML_DSA_L3_PUBKEY_SIZE
#elif ML_DSA_LEVEL == 5
#define KEYSTORE_PUBKEY_SIZE_ML_DSA ML_DSA_L5_PUBKEY_SIZE
#endif
/* Mask for key permissions */
#define KEY_VERIFY_ALL (0xFFFFFFFFU)
#define KEY_VERIFY_ONLY_ID(X) (1U << X)
#define KEY_VERIFY_SELF_ONLY KEY_VERIFY_ONLY_ID(0)
#define KEY_VERIFY_APP_ONLY KEY_VERIFY_ONLY_ID(1)
/* HAL crypto device ID abstraction.
* Override per-class via build system -D flags.
* Defaults to INVALID_DEVID (software-only). */
#ifndef WOLFBOOT_DEVID_HASH
#define WOLFBOOT_DEVID_HASH (-2) /* INVALID_DEVID */
#endif
#ifndef WOLFBOOT_DEVID_PUBKEY
#define WOLFBOOT_DEVID_PUBKEY (-2) /* INVALID_DEVID */
#endif
#ifndef WOLFBOOT_DEVID_CRYPT
#define WOLFBOOT_DEVID_CRYPT (-2) /* INVALID_DEVID */
#endif
#if defined(__WOLFBOOT) || defined(UNIT_TEST_AUTH)
#include "wolfssl/wolfcrypt/settings.h"
#include "wolfssl/wolfcrypt/visibility.h"
#include "wolfssl/wolfcrypt/wc_port.h"
#include "wolfssl/wolfcrypt/types.h"
#ifdef WOLFBOOT_RENESAS_TSIP
/* Include these before any algorithm headers */
#include "mcu/all/r_bsp_common.h"
#include "r_bsp_config.h"
#include "r_tsip_rx_if.h"
#include "wolfssl/wolfcrypt/port/Renesas/renesas_tsip_types.h"
#endif
/* Hashing configuration */
#if defined(WOLFBOOT_HASH_SHA256)
# ifdef WOLFBOOT_HASH_SHA384
# error "Found WOLFBOOT_HASH_SHA384 with WOLFBOOT_HASH_SHA256. Pick one"
# endif
# ifdef WOLFBOOT_HASH_SHA3_384
# error "Found WOLFBOOT_HASH_SHA3_384 with WOLFBOOT_HASH_SHA256. Pick one"
# endif
#include "wolfssl/wolfcrypt/sha256.h"
# ifndef WOLFBOOT_SHA_BLOCK_SIZE
# define WOLFBOOT_SHA_BLOCK_SIZE (256)
# endif
# define WOLFBOOT_SHA_HDR HDR_SHA256
# define WOLFBOOT_SHA_DIGEST_SIZE (32)
# define image_hash image_sha256
# define header_hash header_sha256
# define update_hash wc_Sha256Update
# define key_hash key_sha256
# define self_hash self_sha256
# define final_hash wc_Sha256Final
typedef wc_Sha256 wolfBoot_hash_t;
# define HDR_HASH HDR_SHA256
#elif defined(WOLFBOOT_HASH_SHA384)
# ifdef WOLFBOOT_HASH_SHA256
# error "Found WOLFBOOT_HASH_SHA256 with WOLFBOOT_HASH_SHA384. Pick one"
# endif
# ifdef WOLFBOOT_HASH_SHA3_384
# error "Found WOLFBOOT_HASH_SHA3_384 with WOLFBOOT_HASH_SHA384. Pick one"
# endif
#include "wolfssl/wolfcrypt/sha512.h"
# ifndef WOLFBOOT_SHA_BLOCK_SIZE
# define WOLFBOOT_SHA_BLOCK_SIZE (256)
# endif
# define WOLFBOOT_SHA_HDR HDR_SHA384
# define WOLFBOOT_SHA_DIGEST_SIZE (48)
# define image_hash image_sha384
# define header_hash header_sha384
# define update_hash wc_Sha384Update
# define key_hash key_sha384
# define self_hash self_sha384
# define final_hash wc_Sha384Final
typedef wc_Sha384 wolfBoot_hash_t;
# define HDR_HASH HDR_SHA384
#elif defined(WOLFBOOT_HASH_SHA3_384)
# ifdef WOLFBOOT_HASH_SHA256
# error "Found WOLFBOOT_HASH_SHA256 with WOLFBOOT_HASH_SHA3_384. Pick one"
# endif
# ifdef WOLFBOOT_HASH_SHA384
# error "Found WOLFBOOT_HASH_SHA384 with WOLFBOOT_HASH_SHA3_384. Pick one"
# endif
#include "wolfssl/wolfcrypt/sha3.h"
# ifndef WOLFBOOT_SHA_BLOCK_SIZE
# define WOLFBOOT_SHA_BLOCK_SIZE (256)
# endif
# define WOLFBOOT_SHA_HDR HDR_SHA3_384
# define WOLFBOOT_SHA_DIGEST_SIZE (48)
# define image_hash image_sha3_384
# define header_hash header_sha3_384
# define update_hash wc_Sha3Update
# define final_hash wc_Sha3Final
# define key_hash key_sha3_384
typedef wc_Sha3 wolfBoot_hash_t;
# define HDR_HASH HDR_SHA3_384
#else
# error "No valid hash algorithm defined!"
#endif
#ifdef WOLFBOOT_TPM
#if defined(WOLFBOOT_HASH_SHA256)
#define WOLFBOOT_TPM_HASH_ALG TPM_ALG_SHA256
#elif defined(WOLFBOOT_HASH_SHA384)
#define WOLFBOOT_TPM_HASH_ALG TPM_ALG_SHA384
#else
#error TPM does not support hash algorithm selection
#endif
#endif
#endif
#if defined(__WOLFBOOT) || defined (__FLASH_OTP_PRIMER) || \
defined (UNIT_TEST_AUTH) || defined(WOLFBOOT_TPM)
/* Authentication configuration */
#if defined(WOLFBOOT_NO_SIGN)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_NONE
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_NONE
# endif
#elif defined(WOLFBOOT_SIGN_ED25519)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_ED25519
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_ED25519
# endif
#elif defined(WOLFBOOT_SIGN_ED448)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_ED448
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_ED448
# endif
#elif defined(WOLFBOOT_SIGN_ECC256)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_ECC256
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_ECC256
# endif
#elif defined(WOLFBOOT_SIGN_ECC384)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_ECC384
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_ECC384
# endif
#elif defined(WOLFBOOT_SIGN_ECC521)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_ECC521
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_ECC521
# endif
#elif defined(WOLFBOOT_SIGN_RSA2048) || defined(WOLFBOOT_SIGN_RSA2048ENC)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_RSA2048
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_RSA2048
# endif
#elif defined(WOLFBOOT_SIGN_RSA3072) || defined(WOLFBOOT_SIGN_RSA3072ENC)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_RSA3072
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_RSA3072
# endif
#elif defined(WOLFBOOT_SIGN_RSA4096) || defined(WOLFBOOT_SIGN_RSA4096ENC)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_RSA4096
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_RSA4096
# endif
#elif defined(WOLFBOOT_SIGN_RSAPSS2048)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_RSAPSS2048
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_RSA2048
# endif
#elif defined(WOLFBOOT_SIGN_RSAPSS3072)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_RSAPSS3072
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_RSA3072
# endif
#elif defined(WOLFBOOT_SIGN_RSAPSS4096)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_RSAPSS4096
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_RSA4096
# endif
#elif defined(WOLFBOOT_SIGN_LMS)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_LMS
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_LMS
# endif
#elif defined(WOLFBOOT_SIGN_XMSS)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_XMSS
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_XMSS
# endif
#elif defined(WOLFBOOT_SIGN_ML_DSA)
# define HDR_IMG_TYPE_AUTH HDR_IMG_TYPE_AUTH_ML_DSA
# ifndef WOLFBOOT_UNIVERSAL_KEYSTORE
# define KEYSTORE_PUBKEY_SIZE KEYSTORE_PUBKEY_SIZE_ML_DSA
# endif
#else
# error "No valid authentication mechanism selected. " \
"Please select a valid SIGN= option."
#endif /* authentication options */
#include "keystore.h"
#endif /* defined WOLFBOOT */
/* Monolithic self-update: imply DISABLE_BACKUP and enforce prerequisites */
#ifdef WOLFBOOT_SELF_UPDATE_MONOLITHIC
#ifndef DISABLE_BACKUP
#define DISABLE_BACKUP
#endif
#ifdef DELTA_UPDATES
#error "DELTA_UPDATES is not compatible with WOLFBOOT_SELF_UPDATE_MONOLITHIC"
#endif
#ifdef NVM_FLASH_WRITEONCE
#error "NVM_FLASH_WRITEONCE is not compatible with WOLFBOOT_SELF_UPDATE_MONOLITHIC"
#endif
#ifndef RAM_CODE
#error "WOLFBOOT_SELF_UPDATE_MONOLITHIC requires RAM_CODE"
#endif
#endif
#if defined(DISABLE_BACKUP) && defined(DELTA_UPDATES)
#error "DELTA_UPDATES requires swap partition (incompatible with DISABLE_BACKUP)"
#endif
#define PART_BOOT 0
#define PART_UPDATE 1
#define PART_SWAP 2
#define PART_SELF 3
#define PART_NONE 0xFF
#define PART_DTS (0x10)
#define PART_DTS_BOOT (PART_DTS | PART_BOOT)
#define PART_DTS_UPDATE (PART_DTS | PART_UPDATE)
#ifndef WOLFBOOT_FLAGS_INVERT
#define IMG_STATE_NEW 0xFF
#define IMG_STATE_UPDATING 0x70
/* now just an intermediary state, update state will always be either new or
* updating before the application boots*/
#define IMG_STATE_FINAL_FLAGS 0x30
/* ELF loading state - only valid on boot partition so doesn't conflict with
* IMAGE_STATE_UPDATING */
#define IMG_STATE_TESTING 0x10
#define IMG_STATE_SUCCESS 0x00
#define FLASH_BYTE_ERASED 0xFF
#define FLASH_WORD_ERASED 0xFFFFFFFFUL
#else
#define IMG_STATE_NEW 0x00
#define IMG_STATE_UPDATING 0x8F
#define IMG_STATE_TESTING 0xEF
#define IMG_STATE_FINAL_FLAGS 0xBF
#define IMG_STATE_SUCCESS 0xFF
#define FLASH_BYTE_ERASED 0x00
#define FLASH_WORD_ERASED 0x00000000UL
#endif
#ifdef __WOLFBOOT
/* include after PART_* are defined */
/* for wolfBoot_verify_integrity and wolfBoot_verify_authenticity */
#include "image.h"
#endif
void wolfBoot_update_trigger(void);
void wolfBoot_success(void);
uint32_t wolfBoot_image_size(uint8_t *image);
uint32_t wolfBoot_get_blob_version(uint8_t *blob);
uint16_t wolfBoot_get_blob_type(uint8_t *blob);
uint32_t wolfBoot_get_blob_diffbase_version(uint8_t *blob);
#ifdef WOLFBOOT_SELF_HEADER
uint8_t* wolfBoot_get_self_header(void);
uint32_t wolfBoot_get_self_version(void);
#endif
uint16_t wolfBoot_find_header(uint8_t *haystack, uint16_t type, uint8_t **ptr);
/* Get partition ID from manifest header */
static inline uint8_t wolfBoot_get_blob_partition_id(uint8_t *blob) {
return wolfBoot_get_blob_type(blob) & HDR_IMG_TYPE_PART_MASK;
}
#ifdef WOLFBOOT_FIXED_PARTITIONS
void wolfBoot_erase_partition(uint8_t part);
uint32_t wolfBoot_get_image_version(uint8_t part);
uint16_t wolfBoot_get_image_type(uint8_t part);
uint32_t wolfBoot_get_diffbase_version(uint8_t part);
#define wolfBoot_current_firmware_version() \
wolfBoot_get_image_version(PART_BOOT)
#define wolfBoot_update_firmware_version() \
wolfBoot_get_image_version(PART_UPDATE)
#endif
int wolfBoot_fallback_is_possible(void);
int wolfBoot_dualboot_candidate(void);
int wolfBoot_dualboot_candidate_addr(void**);
int wolfBoot_get_partition_state(uint8_t part, uint8_t *st);
#ifdef WOLFBOOT_PERSIST_FAILURE_STATUS
/* Phase in which the failure was detected */
#define WOLFBOOT_FAILURE_PHASE_UPDATE 1 /* update image rejected before swap */
#define WOLFBOOT_FAILURE_PHASE_BOOT 2 /* boot image failed verification */
#define WOLFBOOT_FAILURE_PHASE_ROLLBACK 3 /* rolled back to a previous image */
#define WOLFBOOT_FAILURE_PHASE_RECOVERY 4 /* emergency-update image also failed
* verification (device unbootable) */
#define WOLFBOOT_FAILURE_PHASE_SELF_UPDATE 5 /* bootloader self-update image
* rejected */
/* Cause of the failure */
#define WOLFBOOT_FAILURE_CAUSE_HEADER 1 /* bad/invalid image header */
#define WOLFBOOT_FAILURE_CAUSE_HASH 2 /* hash/integrity check failed */
#define WOLFBOOT_FAILURE_CAUSE_SIGNATURE 3 /* signature/auth check failed */
#define WOLFBOOT_FAILURE_CAUSE_NOT_CONFIRMED 4 /* image never confirmed via
* wolfBoot_success() */
/* Persisted failure record. */
struct wolfBoot_failure_record {
uint32_t seq; /* monotonic sequence number (higher = newer) */
uint8_t phase; /* WOLFBOOT_FAILURE_PHASE_* */
uint8_t cause; /* WOLFBOOT_FAILURE_CAUSE_* */
uint8_t partition; /* PART_BOOT / PART_UPDATE */
uint8_t reserved;
uint32_t fw_version; /* version of the offending image, 0 if unknown */
uint32_t crc; /* CRC32 over the preceding 12 bytes */
};
/* Public API */
int wolfBoot_get_failure_count(void);
int wolfBoot_get_failure(int index, struct wolfBoot_failure_record *out);
int wolfBoot_clear_failures(void);
#if defined(__WOLFBOOT) || defined(UNIT_TEST)
/* Internal API */
int wolfBoot_record_failure(uint8_t phase, uint8_t cause, uint8_t partition,
uint32_t fw_version);
#endif
#endif /* WOLFBOOT_PERSIST_FAILURE_STATUS */
/* Encryption algorithm constants - always available for tools */
#define ENCRYPT_BLOCK_SIZE_CHACHA 64
#define ENCRYPT_BLOCK_SIZE_AES 16
#define ENCRYPT_KEY_SIZE_CHACHA 32 /* ChaCha20 - 256bit */
#define ENCRYPT_KEY_SIZE_AES128 16 /* AES128 */
#define ENCRYPT_KEY_SIZE_AES256 32 /* AES256 */
#define ENCRYPT_NONCE_SIZE_CHACHA 12 /* 96 bit */
#define ENCRYPT_NONCE_SIZE_AES 16 /* AES IV size */
#ifdef EXT_ENCRYPTED
/* Encryption support - compile-time algorithm selection */
#if defined(ENCRYPT_WITH_CHACHA)
#define ENCRYPT_BLOCK_SIZE ENCRYPT_BLOCK_SIZE_CHACHA
#define ENCRYPT_KEY_SIZE ENCRYPT_KEY_SIZE_CHACHA
#define ENCRYPT_NONCE_SIZE ENCRYPT_NONCE_SIZE_CHACHA
#elif defined(ENCRYPT_WITH_AES128)
#define ENCRYPT_BLOCK_SIZE ENCRYPT_BLOCK_SIZE_AES
#define ENCRYPT_KEY_SIZE ENCRYPT_KEY_SIZE_AES128
#define ENCRYPT_NONCE_SIZE ENCRYPT_NONCE_SIZE_AES
#elif defined(ENCRYPT_WITH_AES256)
#define ENCRYPT_BLOCK_SIZE ENCRYPT_BLOCK_SIZE_AES
#define ENCRYPT_KEY_SIZE ENCRYPT_KEY_SIZE_AES256
#define ENCRYPT_NONCE_SIZE ENCRYPT_NONCE_SIZE_AES
#elif defined(ENCRYPT_PKCS11)
#define ENCRYPT_BLOCK_SIZE ENCRYPT_PKCS11_BLOCK_SIZE
/* In this case, the key ID is stored in flash rather than the key itself */
#define ENCRYPT_KEY_SIZE ENCRYPT_PKCS11_KEY_ID_SIZE
#define ENCRYPT_NONCE_SIZE ENCRYPT_PKCS11_NONCE_SIZE
#else
# error "Encryption ON, but no encryption algorithm selected."
#endif
#endif /* EXT_ENCRYPTED */
#if defined(EXT_ENCRYPTED) && defined(MMU)
int wolfBoot_ram_decrypt(uint8_t *src, uint8_t *dst);
#endif
#ifdef DELTA_UPDATES
int wolfBoot_get_diffbase_hdr(uint8_t part, uint8_t **ptr);
#endif
int wolfBoot_initialize_encryption(void);
int wolfBoot_set_encrypt_key(const uint8_t *key, const uint8_t *nonce);
int wolfBoot_get_encrypt_key(uint8_t *key, uint8_t *nonce);
int wolfBoot_erase_encrypt_key(void);
#if !defined(__WOLFBOOT) && defined(TZEN)
/* Applications can access update success/trigger and flash erase/write
* via non-secure callable, to facilitate updates
*/
/* Call wolfBoot_success from non-secure application */
CSME_NSE_API
void wolfBoot_nsc_success(void);
/* Call wolfBoot_update_trigger from non-secure application */
CSME_NSE_API
void wolfBoot_nsc_update_trigger(void);
/* Call wolfBoot_get_image_version from non-secure application */
CSME_NSE_API
uint32_t wolfBoot_nsc_get_image_version(uint8_t part);
#define wolfBoot_nsc_current_firmware_version() wolfBoot_nsc_get_image_version(PART_BOOT)
#define wolfBoot_nsc_update_firmware_version() wolfBoot_nsc_get_image_version(PART_UPDATE)
/* Call wolfBoot_get_partition_state from non-secure application */
CSME_NSE_API
int wolfBoot_nsc_get_partition_state(uint8_t part, uint8_t *st);
/* Erase one or more sectors in the update partition.
* - address: offset within the update partition ('0' corresponds to PARTITION_UPDATE_ADDRESS)
* - len: size, in bytes
*/
CSME_NSE_API
int wolfBoot_nsc_erase_update(uint32_t address, uint32_t len);
/* Write the content of buffer `buf` and size `len` to the update partition,
* at offset address, from non-secure application
* - address: offset within the update partition ('0' corresponds to PARTITION_UPDATE_ADDRESS)
* - len: size, in bytes
*/
CSME_NSE_API
int wolfBoot_nsc_write_update(uint32_t address, const uint8_t *buf, uint32_t len);
#endif /* !__WOLFBOOT && TZEN */
#ifdef __cplusplus
}
#endif
#endif /* !WOLFBOOT_H */