blob: 0119ed2e03171b79487667d1cc0f6e5126b20477 [file] [log] [blame]
/*
* Copyright (c) 2015-2019, 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>
/*
* 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;
auth_method_desc_t img_auth_methods[AUTH_METHOD_NUM];
auth_param_desc_t authenticated_data[COT_MAX_VERIFIED_PARAMS];
} 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 cot_desc_ptr = \
(const auth_img_desc_t **const)_cot; \
unsigned int auth_img_flags[MAX_NUMBER_IDS]
extern const auth_img_desc_t **const cot_desc_ptr;
extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
#endif /* TRUSTED_BOARD_BOOT */
#endif /* AUTH_MOD_H */