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Juan Castillo8e55d932015-04-02 09:48:16 +01001/*
Roberto Vargasbe126ed2018-02-12 12:36:17 +00002 * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
Juan Castillo8e55d932015-04-02 09:48:16 +01003 *
dp-armfa3cf0b2017-05-03 09:38:09 +01004 * SPDX-License-Identifier: BSD-3-Clause
Juan Castillo8e55d932015-04-02 09:48:16 +01005 */
6
Antonio Nino Diaz5eb88372018-11-08 10:20:19 +00007#ifndef AUTH_MOD_H
8#define AUTH_MOD_H
Juan Castillo8e55d932015-04-02 09:48:16 +01009
10#if TRUSTED_BOARD_BOOT
11
12#include <auth_common.h>
13#include <cot_def.h>
14#include <img_parser_mod.h>
Roberto Vargasbe126ed2018-02-12 12:36:17 +000015#include <tbbr_img_def.h>
Juan Castillo8e55d932015-04-02 09:48:16 +010016
17/*
18 * Image flags
19 */
20#define IMG_FLAG_AUTHENTICATED (1 << 0)
21
22
23/*
24 * Authentication image descriptor
25 */
26typedef struct auth_img_desc_s {
27 unsigned int img_id;
Juan Castillo8e55d932015-04-02 09:48:16 +010028 img_type_t img_type;
Soby Mathew6d4f2622016-01-12 10:30:59 +000029 const struct auth_img_desc_s *parent;
Juan Castillo8e55d932015-04-02 09:48:16 +010030 auth_method_desc_t img_auth_methods[AUTH_METHOD_NUM];
31 auth_param_desc_t authenticated_data[COT_MAX_VERIFIED_PARAMS];
32} auth_img_desc_t;
33
34/* Public functions */
35void auth_mod_init(void);
36int auth_mod_get_parent_id(unsigned int img_id, unsigned int *parent_id);
37int auth_mod_verify_img(unsigned int img_id,
38 void *img_ptr,
39 unsigned int img_len);
40
41/* Macro to register a CoT defined as an array of auth_img_desc_t */
42#define REGISTER_COT(_cot) \
43 const auth_img_desc_t *const cot_desc_ptr = \
44 (const auth_img_desc_t *const)&_cot[0]; \
Roberto Vargasbe126ed2018-02-12 12:36:17 +000045 unsigned int auth_img_flags[MAX_NUMBER_IDS]
Juan Castillo8e55d932015-04-02 09:48:16 +010046
Roberto Vargas52f707f2018-02-12 12:36:17 +000047extern const auth_img_desc_t *const cot_desc_ptr;
48extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
49
Juan Castillo8e55d932015-04-02 09:48:16 +010050#endif /* TRUSTED_BOARD_BOOT */
51
Antonio Nino Diaz5eb88372018-11-08 10:20:19 +000052#endif /* AUTH_MOD_H */