98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/*
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* Minimal configuration for using TLS in the bootloader
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* Copyright (C) 2016, Linaro Ltd
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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/*
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* Minimal configuration for using TLS in the bootloader
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*
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* - RSA or ECDSA signature verification
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*/
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#ifndef MBEDTLS_CONFIG_BOOT_H
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#define MBEDTLS_CONFIG_BOOT_H
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/* TODO: Configure this between app and target. Really, we want the
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* config to come from the app. */
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#define CONFIG_BOOT_VERIFY_RSA_SIGNATURE
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/* System support */
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#define MBEDTLS_PLATFORM_C
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#define MBEDTLS_PLATFORM_MEMORY
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#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
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#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
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#define MBEDTLS_PLATFORM_EXIT_ALT
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#define MBEDTLS_NO_PLATFORM_ENTROPY
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#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
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#define MBEDTLS_PLATFORM_PRINTF_ALT
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#if !defined(CONFIG_ARM)
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#define MBEDTLS_HAVE_ASM
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#endif
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#if defined(CONFIG_MBEDTLS_TEST)
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#define MBEDTLS_SELF_TEST
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#define MBEDTLS_DEBUG_C
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#else
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#define MBEDTLS_ENTROPY_C
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#define MBEDTLS_TEST_NULL_ENTROPY
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#endif
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/* mbed TLS feature support */
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#ifdef CONFIG_BOOT_VERIFY_ECDSA_SIGNATURE
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#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
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#define MBEDTLS_ECP_DP_SECP224R1_ENABLED
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#define MBEDTLS_ECP_NIST_OPTIM
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#define MBEDTLS_ECDSA_C
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#define MBEDTLS_ECDH_C
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#define MBEDTLS_ECP_C
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#endif
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#ifdef CONFIG_BOOT_VERIFY_RSA_SIGNATURE
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#define MBEDTLS_RSA_C
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#define MBEDTLS_PKCS1_V15
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#endif
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/* mbed TLS modules */
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#define MBEDTLS_ASN1_PARSE_C
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#define MBEDTLS_ASN1_WRITE_C
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#define MBEDTLS_BIGNUM_C
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#define MBEDTLS_MD_C
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#define MBEDTLS_OID_C
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#define MBEDTLS_SHA256_C
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/* Save RAM by adjusting to our exact needs */
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#ifdef CONFIG_BOOT_VERIFY_RSA_SIGNATURE
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#define MBEDTLS_ECP_MAX_BITS 2048
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#define MBEDTLS_MPI_MAX_SIZE 256
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#else
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#define MBEDTLS_ECP_MAX_BITS 256
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#define MBEDTLS_MPI_MAX_SIZE 32 // 256 bits is 32 bytes
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#endif
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#define MBEDTLS_SSL_MAX_CONTENT_LEN 1024
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/* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
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#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8
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#include "mbedtls/check_config.h"
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#endif /* MBEDTLS_CONFIG_BOOT_H */
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