blob: 1dc9ff441de87d95c5c3121e6f1d37dcfcbec65f [file] [log] [blame]
/*
* Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef AUTH_MOD_H
#define AUTH_MOD_H
#if TRUSTED_BOARD_BOOT
#include <common/tbbr/cot_def.h>
#include <common/tbbr/tbbr_img_def.h>
#include <drivers/auth/auth_common.h>
#include <drivers/auth/img_parser_mod.h>
#include <lib/utils_def.h>
/*
* Image flags
*/
#define IMG_FLAG_AUTHENTICATED (1 << 0)
/*
* Authentication image descriptor
*/
typedef struct auth_img_desc_s {
unsigned int img_id;
img_type_t img_type;
const struct auth_img_desc_s *parent;
const auth_method_desc_t *const img_auth_methods;
const auth_param_desc_t *const authenticated_data;
} auth_img_desc_t;
/* Public functions */
void auth_mod_init(void);
int auth_mod_get_parent_id(unsigned int img_id, unsigned int *parent_id);
int auth_mod_verify_img(unsigned int img_id,
void *img_ptr,
unsigned int img_len);
/* Macro to register a CoT defined as an array of auth_img_desc_t pointers */
#define REGISTER_COT(_cot) \
const auth_img_desc_t *const *const cot_desc_ptr = (_cot); \
const size_t cot_desc_size = ARRAY_SIZE(_cot); \
unsigned int auth_img_flags[MAX_NUMBER_IDS]
extern const auth_img_desc_t *const *const cot_desc_ptr;
extern const size_t cot_desc_size;
extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
#endif /* TRUSTED_BOARD_BOOT */
#endif /* AUTH_MOD_H */