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David Brown902d6172017-05-05 09:37:41 -06001/*
David Brownaac71112020-02-03 16:13:42 -07002 * SPDX-License-Identifier: Apache-2.0
3 *
David Brown902d6172017-05-05 09:37:41 -06004 * Copyright (c) 2017 Linaro Limited
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19#include <bootutil/caps.h>
Marti Bolivarf91bca52018-04-12 12:40:46 -040020#include "mcuboot_config/mcuboot_config.h"
David Brown902d6172017-05-05 09:37:41 -060021
22uint32_t bootutil_get_caps(void)
23{
David Brown74b161e2019-04-16 15:41:07 -060024 uint32_t res = 0;
David Brown902d6172017-05-05 09:37:41 -060025
Fabio Utzig3488eef2017-06-12 10:25:43 -030026#if defined(MCUBOOT_SIGN_RSA)
Fabio Utzig39297432019-05-08 18:51:10 -030027#if MCUBOOT_SIGN_RSA_LEN == 2048
David Brown74b161e2019-04-16 15:41:07 -060028 res |= BOOTUTIL_CAP_RSA2048;
David Brown902d6172017-05-05 09:37:41 -060029#endif
Fabio Utzig39297432019-05-08 18:51:10 -030030#if MCUBOOT_SIGN_RSA_LEN == 3072
31 res |= BOOTUTIL_CAP_RSA3072;
32#endif
33#endif
Fabio Utzig3488eef2017-06-12 10:25:43 -030034#if defined(MCUBOOT_SIGN_EC)
David Brown74b161e2019-04-16 15:41:07 -060035 res |= BOOTUTIL_CAP_ECDSA_P224;
David Brown902d6172017-05-05 09:37:41 -060036#endif
Fabio Utzig3488eef2017-06-12 10:25:43 -030037#if defined(MCUBOOT_SIGN_EC256)
David Brown74b161e2019-04-16 15:41:07 -060038 res |= BOOTUTIL_CAP_ECDSA_P256;
David Brown902d6172017-05-05 09:37:41 -060039#endif
Fabio Utzig97710282019-05-24 17:44:49 -030040#if defined(MCUBOOT_SIGN_ED25519)
41 res |= BOOTUTIL_CAP_ED25519;
42#endif
Fabio Utzig3488eef2017-06-12 10:25:43 -030043#if defined(MCUBOOT_OVERWRITE_ONLY)
David Brown74b161e2019-04-16 15:41:07 -060044 res |= BOOTUTIL_CAP_OVERWRITE_UPGRADE;
Fabio Utzigf5480c72019-11-28 10:41:57 -030045#elif defined(MCUBOOT_SWAP_USING_MOVE)
46 res |= BOOTUTIL_CAP_SWAP_USING_MOVE;
Roman Okhrimenko13f79ed2021-03-11 19:05:41 +020047#elif defined(MCUBOOT_SWAP_USING_STATUS)
48 res |= BOOTUTIL_CAP_SWAP_USING_STATUS;
David Brown902d6172017-05-05 09:37:41 -060049#else
Fabio Utzigf5480c72019-11-28 10:41:57 -030050 res |= BOOTUTIL_CAP_SWAP_USING_SCRATCH;
David Brown902d6172017-05-05 09:37:41 -060051#endif
David Brownc4a60a32019-01-11 12:27:51 -070052#if defined(MCUBOOT_ENCRYPT_RSA)
David Brown74b161e2019-04-16 15:41:07 -060053 res |= BOOTUTIL_CAP_ENC_RSA;
David Brownc4a60a32019-01-11 12:27:51 -070054#endif
55#if defined(MCUBOOT_ENCRYPT_KW)
David Brown74b161e2019-04-16 15:41:07 -060056 res |= BOOTUTIL_CAP_ENC_KW;
David Brownc4a60a32019-01-11 12:27:51 -070057#endif
Fabio Utzig5ef883a2019-10-22 10:10:01 -030058#if defined(MCUBOOT_ENCRYPT_EC256)
59 res |= BOOTUTIL_CAP_ENC_EC256;
60#endif
Fabio Utzigfeb6c4c2020-04-02 10:28:39 -030061#if defined(MCUBOOT_ENCRYPT_X25519)
62 res |= BOOTUTIL_CAP_ENC_X25519;
63#endif
David Vincze2d736ad2019-02-18 11:50:22 +010064#if defined(MCUBOOT_VALIDATE_PRIMARY_SLOT)
David Brown74b161e2019-04-16 15:41:07 -060065 res |= BOOTUTIL_CAP_VALIDATE_PRIMARY_SLOT;
David Brown8d0afa72019-01-11 12:31:55 -070066#endif
David Brown07e13812020-01-09 11:34:58 -070067#if defined(MCUBOOT_DOWNGRADE_PREVENTION)
68 res |= BOOTUTIL_CAP_DOWNGRADE_PREVENTION;
69#endif
Fabio Utzigd0157342020-10-02 15:22:11 -030070#if defined(MCUBOOT_BOOTSTRAP)
71 res |= BOOTUTIL_CAP_BOOTSTRAP;
72#endif
David Brown902d6172017-05-05 09:37:41 -060073
David Brown74b161e2019-04-16 15:41:07 -060074 return res;
David Brown902d6172017-05-05 09:37:41 -060075}
David Brown4c9883b2019-03-05 12:13:33 -070076
77uint32_t bootutil_get_num_images(void)
78{
79#if defined(MCUBOOT_IMAGE_NUMBER)
80 return MCUBOOT_IMAGE_NUMBER;
81#else
82 return 1;
83#endif
84}