1 /* 2 * Minimal configuration for using TLS in the bootloader 3 * 4 * Copyright (C) 2006-2023, 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 signature verification + NIST Keywrapping support 27 */ 28 29 #ifndef MCUBOOT_MBEDTLS_CONFIG_RSA_KW 30 #define MCUBOOT_MBEDTLS_CONFIG_RSA_KW 31 32 #if defined(MCUBOOT_USE_PSA_CRYPTO) 33 #include "config-add-psa-crypto.h" 34 #endif /* defined(MCUBOOT_USE_PSA_CRYPTO) */ 35 36 #ifdef CONFIG_MCUBOOT_SERIAL 37 /* Mcuboot uses mbedts-base64 for serial protocol encoding. */ 38 #define MBEDTLS_BASE64_C 39 #endif 40 41 /* System support */ 42 #define MBEDTLS_PLATFORM_C 43 #define MBEDTLS_PLATFORM_MEMORY 44 #define MBEDTLS_MEMORY_BUFFER_ALLOC_C 45 #define MBEDTLS_NO_PLATFORM_ENTROPY 46 #define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 47 48 /* STD functions */ 49 #define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 50 51 #define MBEDTLS_PLATFORM_EXIT_ALT 52 #define MBEDTLS_PLATFORM_PRINTF_ALT 53 #define MBEDTLS_PLATFORM_SNPRINTF_ALT 54 55 #if !defined(CONFIG_ARM) 56 #define MBEDTLS_HAVE_ASM 57 #endif 58 59 #define MBEDTLS_RSA_C 60 #define MBEDTLS_PKCS1_V21 61 62 #define MBEDTLS_CIPHER_MODE_CTR 63 64 /* mbed TLS modules */ 65 #define MBEDTLS_ASN1_PARSE_C 66 #define MBEDTLS_BIGNUM_C 67 #define MBEDTLS_MD_C 68 #define MBEDTLS_OID_C 69 #define MBEDTLS_SHA256_C 70 #define MBEDTLS_SHA224_C 71 #define MBEDTLS_AES_C 72 #define MBEDTLS_CIPHER_C 73 #define MBEDTLS_NIST_KW_C 74 75 /* Save RAM by adjusting to our exact needs */ 76 #define MBEDTLS_ECP_MAX_BITS 2048 77 #define MBEDTLS_MPI_MAX_SIZE 256 78 79 #define MBEDTLS_SSL_MAX_CONTENT_LEN 1024 80 81 /* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */ 82 #define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8 83 84 #endif /* MCUBOOT_MBEDTLS_CONFIG_RSA_KW */ 85