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https://github.com/ARM-software/arm-trusted-firmware.git
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ab1794f576
The Trusted Firmware uses a subset of the APIs provided by mbed TLS. This subset internally uses `snprintf`, but the only format specifier used is '%d', which is supported by `tf_snprintf`. This patch makes mbed TLS use `tf_snprintf` instead of `snprintf`, saving 3 KB in both debug and release builds when TBBR is enabled. Change-Id: I7f992a21015930d7c0f4660e7a28ceefd60b9597 Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
/*
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* Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __MBEDTLS_CONFIG_H__
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#define __MBEDTLS_CONFIG_H__
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/*
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* Key algorithms currently supported on mbed TLS libraries
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*/
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#define TF_MBEDTLS_RSA 1
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#define TF_MBEDTLS_ECDSA 2
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/*
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* Configuration file to build mbed TLS with the required features for
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* Trusted Boot
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*/
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#define MBEDTLS_PLATFORM_MEMORY
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#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
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/* Prevent mbed TLS from using snprintf so that it can use tf_snprintf. */
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#define MBEDTLS_PLATFORM_SNPRINTF_ALT
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#define MBEDTLS_PKCS1_V15
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#define MBEDTLS_PKCS1_V21
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#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
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#define MBEDTLS_X509_CHECK_KEY_USAGE
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#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
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#define MBEDTLS_ASN1_PARSE_C
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#define MBEDTLS_ASN1_WRITE_C
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#define MBEDTLS_BASE64_C
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#define MBEDTLS_BIGNUM_C
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#define MBEDTLS_ERROR_C
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#define MBEDTLS_MD_C
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#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
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#define MBEDTLS_OID_C
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#define MBEDTLS_PK_C
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#define MBEDTLS_PK_PARSE_C
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#define MBEDTLS_PK_WRITE_C
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#define MBEDTLS_PLATFORM_C
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#if (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_ECDSA)
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#define MBEDTLS_ECDSA_C
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#define MBEDTLS_ECP_C
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#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
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#elif (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA)
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#define MBEDTLS_RSA_C
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#endif
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#define MBEDTLS_SHA256_C
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#define MBEDTLS_VERSION_C
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#define MBEDTLS_X509_USE_C
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#define MBEDTLS_X509_CRT_PARSE_C
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/* MPI / BIGNUM options */
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#define MBEDTLS_MPI_WINDOW_SIZE 2
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#define MBEDTLS_MPI_MAX_SIZE 256
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/* Memory buffer allocator options */
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#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 8
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#include "mbedtls/check_config.h"
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/* System headers required to build mbed TLS with the current configuration */
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#include <stdlib.h>
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#endif /* __MBEDTLS_CONFIG_H__ */
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