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69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/**
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* \file config-tfm.h
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*
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* \brief TF-M medium profile, adapted to work on other platforms.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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/* TF-M medium profile: mbedtls legacy configuration */
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#include "../configs/ext/tfm_mbedcrypto_config_profile_medium.h"
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/* TF-M medium profile: PSA crypto configuration */
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#define MBEDTLS_PSA_CRYPTO_CONFIG_FILE "../configs/ext/crypto_config_profile_medium.h"
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/***********************************************************/
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/* Tweak the configuration to remove dependencies on TF-M. */
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/***********************************************************/
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/* MBEDTLS_PSA_CRYPTO_SPM needs third-party files, so disable it. */
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#undef MBEDTLS_PSA_CRYPTO_SPM
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/* Disable buffer-based memory allocator. This isn't strictly required,
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* but using the native allocator is faster and works better with
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* memory management analysis frameworks such as ASan. */
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#undef MBEDTLS_MEMORY_BUFFER_ALLOC_C
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// This macro is enabled in TFM Medium but is disabled here because it is
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// incompatible with baremetal builds in Mbed TLS.
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#undef MBEDTLS_PSA_CRYPTO_STORAGE_C
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// This macro is enabled in TFM Medium but is disabled here because it is
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// incompatible with baremetal builds in Mbed TLS.
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#undef MBEDTLS_ENTROPY_NV_SEED
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// These platform-related TF-M settings are not useful here.
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#undef MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
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#undef MBEDTLS_PLATFORM_STD_MEM_HDR
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#undef MBEDTLS_PLATFORM_SNPRINTF_MACRO
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#undef MBEDTLS_PLATFORM_PRINTF_ALT
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#undef MBEDTLS_PLATFORM_STD_EXIT_SUCCESS
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#undef MBEDTLS_PLATFORM_STD_EXIT_FAILURE
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/*
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* In order to get an example config that works cleanly out-of-the-box
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* for both baremetal and non-baremetal builds, we detect baremetal builds
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* (either IAR, Arm compiler or __ARM_EABI__ defined), and adjust some
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* variables accordingly.
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*/
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#if defined(__IAR_SYSTEMS_ICC__) || defined(__ARMCC_VERSION) || defined(__ARM_EABI__)
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#define MBEDTLS_NO_PLATFORM_ENTROPY
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#else
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/* Use built-in platform entropy functions (TF-M provides its own). */
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#undef MBEDTLS_NO_PLATFORM_ENTROPY
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#endif
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/***********************************************************************
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* Local changes to crypto config below this delimiter
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**********************************************************************/
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// We expect TF-M to pick this up soon
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#define MBEDTLS_BLOCK_CIPHER_NO_DECRYPT
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/* CCM is the only cipher/AEAD enabled in TF-M configuration files, but it
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* does not need CIPHER_C to be enabled, so we can disable it in order
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* to reduce code size further. */
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#undef MBEDTLS_CIPHER_C
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