config-tfm.h (2584B)
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