1/** 2 * \file config-tfm.h 3 * 4 * \brief TF-M medium profile, adapted to work on other platforms. 5 */ 6/* 7 * Copyright The Mbed TLS Contributors 8 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 9 */ 10 11/* TF-M medium profile: mbedtls legacy configuration */ 12#include "../configs/ext/tfm_mbedcrypto_config_profile_medium.h" 13 14/* TF-M medium profile: PSA crypto configuration */ 15#define MBEDTLS_PSA_CRYPTO_CONFIG_FILE "../configs/ext/crypto_config_profile_medium.h" 16 17/***********************************************************/ 18/* Tweak the configuration to remove dependencies on TF-M. */ 19/***********************************************************/ 20 21/* MBEDTLS_PSA_CRYPTO_SPM needs third-party files, so disable it. */ 22#undef MBEDTLS_PSA_CRYPTO_SPM 23 24/* Disable buffer-based memory allocator. This isn't strictly required, 25 * but using the native allocator is faster and works better with 26 * memory management analysis frameworks such as ASan. */ 27#undef MBEDTLS_MEMORY_BUFFER_ALLOC_C 28 29// This macro is enabled in TFM Medium but is disabled here because it is 30// incompatible with baremetal builds in Mbed TLS. 31#undef MBEDTLS_PSA_CRYPTO_STORAGE_C 32 33// This macro is enabled in TFM Medium but is disabled here because it is 34// incompatible with baremetal builds in Mbed TLS. 35#undef MBEDTLS_ENTROPY_NV_SEED 36 37// These platform-related TF-M settings are not useful here. 38#undef MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 39#undef MBEDTLS_PLATFORM_STD_MEM_HDR 40#undef MBEDTLS_PLATFORM_SNPRINTF_MACRO 41#undef MBEDTLS_PLATFORM_PRINTF_ALT 42#undef MBEDTLS_PLATFORM_STD_EXIT_SUCCESS 43#undef MBEDTLS_PLATFORM_STD_EXIT_FAILURE 44 45/* 46 * In order to get an example config that works cleanly out-of-the-box 47 * for both baremetal and non-baremetal builds, we detect baremetal builds 48 * (either IAR, Arm compiler or __ARM_EABI__ defined), and adjust some 49 * variables accordingly. 50 */ 51#if defined(__IAR_SYSTEMS_ICC__) || defined(__ARMCC_VERSION) || defined(__ARM_EABI__) 52#define MBEDTLS_NO_PLATFORM_ENTROPY 53#else 54/* Use built-in platform entropy functions (TF-M provides its own). */ 55#undef MBEDTLS_NO_PLATFORM_ENTROPY 56#endif 57 58/*********************************************************************** 59 * Local changes to crypto config below this delimiter 60 **********************************************************************/ 61 62// We expect TF-M to pick this up soon 63#define MBEDTLS_BLOCK_CIPHER_NO_DECRYPT 64 65/* CCM is the only cipher/AEAD enabled in TF-M configuration files, but it 66 * does not need CIPHER_C to be enabled, so we can disable it in order 67 * to reduce code size further. */ 68#undef MBEDTLS_CIPHER_C 69