blob: 6ae1adae438432dee6c0ecc74d30a657287d35ba [file] [log] [blame]
David Brown641af452021-02-19 12:16:48 -07001/*
2 * Minimal configuration for using TLS in the bootloader
3 *
4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
5 * Copyright (C) 2016, Linaro Ltd
6 * SPDX-License-Identifier: Apache-2.0
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License"); you may
9 * not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 *
20 * This file is part of mbed TLS (https://tls.mbed.org)
21 */
22
23/*
24 * Minimal configuration for using TLS in the bootloader
25 *
26 * - RSA or ECDSA signature verification
27 */
28
29#ifndef MCUBOOT_MBEDTLS_CONFIG_ECDSA
30#define MCUBOOT_MBEDTLS_CONFIG_ECDSA
31
32#ifdef CONFIG_MCUBOOT_SERIAL
33/* Mcuboot uses mbedts-base64 for serial protocol encoding. */
34#define MBEDTLS_BASE64_C
35#endif
36
37/* System support */
38#define MBEDTLS_PLATFORM_C
39#define MBEDTLS_PLATFORM_MEMORY
40#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
41#define MBEDTLS_NO_PLATFORM_ENTROPY
42#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
43
44/* STD functions */
45#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
46
47#define MBEDTLS_PLATFORM_EXIT_ALT
48#define MBEDTLS_PLATFORM_PRINTF_ALT
49#define MBEDTLS_PLATFORM_SNPRINTF_ALT
50
51#if !defined(CONFIG_ARM)
52#define MBEDTLS_HAVE_ASM
53#endif
54
55#define MBEDTLS_ECDSA_C
56
57/* mbed TLS modules */
58#define MBEDTLS_ASN1_PARSE_C
59#define MBEDTLS_ASN1_WRITE_C
60#define MBEDTLS_ECP_C
61#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
62#define MBEDTLS_ECP_NIST_OPTIM
63#define MBEDTLS_BIGNUM_C
64#define MBEDTLS_MD_C
65#define MBEDTLS_OID_C
66#define MBEDTLS_SHA256_C
67#define MBEDTLS_AES_C
68
69/* Bring in support for x509. */
70#define MBEDTLS_X509_USE_C
71#define MBEDTLS_PK_C
72#define MBEDTLS_PK_PARSE_C
73#define MBEDTLS_X509_CRT_PARSE_C
74
75/* Save RAM by adjusting to our exact needs */
76#define MBEDTLS_ECP_MAX_BITS 256
77
78#define MBEDTLS_MPI_MAX_SIZE 32
79
80#define MBEDTLS_SSL_MAX_CONTENT_LEN 1024
81
82/* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
83#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8
84
85/* If encryption is being used, also enable the features needed for
86 * that. */
87#if defined(MCUBOOT_ENC_IMAGES)
88#define MBEDTLS_CIPHER_MODE_CTR
89#define MBEDTLS_CIPHER_C
90#define MBEDTLS_NIST_KW_C
91#endif /* MCUBOOT_ENC_IMAGES */
92
93#include "mbedtls/check_config.h"
94
95#endif /* MCUBOOT_MBEDTLS_CONFIG_ECDSA */