/* user_settings.h * * Copyright (C) 2006-2019 wolfSSL Inc. * * This file is part of wolfSSL. * * wolfSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * wolfSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA */ /* Example wolfSSL user settings for STM32F4 with CubeMX */ #ifndef WOLFSSL_USER_SETTINGS_H #define WOLFSSL_USER_SETTINGS_H #ifdef __cplusplus extern "C" { #endif /* ------------------------------------------------------------------------- */ /* Platform */ /* ------------------------------------------------------------------------- */ #undef WOLFSSL_GENERAL_ALIGNMENT #define WOLFSSL_GENERAL_ALIGNMENT 4 #undef SINGLE_THREADED //#define SINGLE_THREADED #undef WOLFSSL_SMALL_STACK #define WOLFSSL_SMALL_STACK #undef WOLFSSL_STM32F4 #define WOLFSSL_STM32F4 #undef WOLFSSL_STM32_CUBEMX #define WOLFSSL_STM32_CUBEMX #undef FREERTOS #define FREERTOS #undef WOLFSSL_USER_IO #define WOLFSSL_USER_IO #undef WOLFSSL_NO_SOCK #define WOLFSSL_NO_SOCK /* ------------------------------------------------------------------------- */ /* HW Crypto Acceleration */ /* ------------------------------------------------------------------------- */ // See settings.h STM32F4 section /* Optionally Disable Hardware Hashing Support */ //#define NO_STM32_HASH //#define NO_STM32_RNG //#define NO_STM32_CRYPTO /* ------------------------------------------------------------------------- */ /* Math Configuration */ /* ------------------------------------------------------------------------- */ #undef USE_FAST_MATH #define USE_FAST_MATH #ifdef USE_FAST_MATH #undef TFM_TIMING_RESISTANT #define TFM_TIMING_RESISTANT #undef TFM_NO_ASM //#define TFM_NO_ASM /* Optimizations (TFM_ARM, TFM_ASM or none) */ //#define TFM_ASM #endif /* Wolf Single Precision Math */ #undef WOLFSSL_SP #if 0 #define WOLFSSL_SP #define WOLFSSL_SP_SMALL /* use smaller version of code */ #define WOLFSSL_HAVE_SP_RSA //#define WOLFSSL_HAVE_SP_DH #define WOLFSSL_HAVE_SP_ECC #define WOLFSSL_SP_CACHE_RESISTANT #define WOLFSSL_SP_MATH /* only SP math - eliminates fast math code */ //#define WOLFSSL_SP_ASM /* required if using the ASM versions */ //#define WOLFSSL_SP_ARM_CORTEX_M_ASM #endif /* ------------------------------------------------------------------------- */ /* Crypto */ /* ------------------------------------------------------------------------- */ /* RSA */ #undef NO_RSA #if 1 #ifdef USE_FAST_MATH /* Maximum math bits (Max RSA key bits * 2) */ #undef FP_MAX_BITS #define FP_MAX_BITS 4096 #endif /* half as much memory but twice as slow */ #undef RSA_LOW_MEM //#define RSA_LOW_MEM /* Enables blinding mode, to prevent timing attacks */ #undef WC_RSA_BLINDING #define WC_RSA_BLINDING /* RSA PSS Support (required for TLS v1.3)*/ #if 0 #define WC_RSA_PSS #endif #else #define NO_RSA #endif /* ECC */ #if 1 #undef HAVE_ECC #define HAVE_ECC /* Manually define enabled curves */ #undef ECC_USER_CURVES #define ECC_USER_CURVES //#define HAVE_ECC192 //#define HAVE_ECC224 #undef NO_ECC256 //#define HAVE_ECC384 //#define HAVE_ECC521 /* Fixed point cache (speeds repeated operations against same private key) */ #undef FP_ECC //#define FP_ECC #ifdef FP_ECC /* Bits / Entries */ #undef FP_ENTRIES #define FP_ENTRIES 2 #undef FP_LUT #define FP_LUT 4 #endif /* Optional ECC calculation method */ /* Note: doubles heap usage, but slightly faster */ #undef ECC_SHAMIR #define ECC_SHAMIR /* Reduces heap usage, but slower */ #undef ECC_TIMING_RESISTANT #define ECC_TIMING_RESISTANT #ifdef USE_FAST_MATH #ifdef NO_RSA /* Custom fastmath size if not using RSA */ /* MAX = ROUND32(ECC BITS 256) + SIZE_OF_MP_DIGIT(32) */ #undef FP_MAX_BITS #define FP_MAX_BITS (256 + 32) #else #undef ALT_ECC_SIZE #define ALT_ECC_SIZE #endif /* Enable TFM optimizations for ECC */ //#define TFM_ECC192 //#define TFM_ECC224 #define TFM_ECC256 //#define TFM_ECC384 //#define TFM_ECC521 #endif #endif /* DH */ #undef NO_DH #if 0 #define HAVE_DH /* freeRTOS settings.h requires this */ #else //#define NO_DH #endif /* AES */ #undef NO_AES #if 1 #undef HAVE_AESGCM #define HAVE_AESGCM /* GCM Method: GCM_SMALL, GCM_WORD32 or GCM_TABLE */ #undef GCM_SMALL #define GCM_SMALL #undef WOLFSSL_AES_COUNTER #define WOLFSSL_AES_COUNTER #undef WOLFSSL_AES_DIRECT #define WOLFSSL_AES_DIRECT #undef HAVE_AES_ECB #define HAVE_AES_ECB #else #define NO_AES #endif /* DES */ #undef NO_DES3 #if 1 #else #define NO_DES3 #endif /* ChaCha20 / Poly1305 */ #undef HAVE_CHACHA #undef HAVE_POLY1305 #if 1 #define HAVE_CHACHA #define HAVE_POLY1305 /* Needed for Poly1305 */ #undef HAVE_ONE_TIME_AUTH #define HAVE_ONE_TIME_AUTH #endif /* Ed25519 / Curve25519 */ #undef HAVE_CURVE25519 #undef HAVE_ED25519 #if 0 #define HAVE_CURVE25519 #define HAVE_ED25519 /* Optionally use small math (less flash usage, but much slower) */ #if 0 #define CURVED25519_SMALL #endif #endif /* ------------------------------------------------------------------------- */ /* Hashing */ /* ------------------------------------------------------------------------- */ /* Sha */ #undef NO_SHA #if 1 /* 1k smaller, but 25% slower */ //#define USE_SLOW_SHA #else #define NO_SHA #endif /* Sha256 */ #undef NO_SHA256 #if 1 /* not unrolled - ~2k smaller and ~25% slower */ //#define USE_SLOW_SHA256 /* Sha224 */ #if 0 #define WOLFSSL_SHA224 #endif #else #define NO_SHA256 #endif /* Sha512 */ #undef WOLFSSL_SHA512 #if 1 /* over twice as small, but 50% slower */ //#define USE_SLOW_SHA512 #define WOLFSSL_SHA512 #define HAVE_SHA512 /* freeRTOS settings.h requires this */ /* Sha384 */ #undef WOLFSSL_SHA384 #if 1 #define WOLFSSL_SHA384 #endif #endif /* MD5 */ #if 1 /* enabled */ #else #define NO_MD5 #endif /* ------------------------------------------------------------------------- */ /* Benchmark / Test */ /* ------------------------------------------------------------------------- */ /* Use reduced benchmark / test sizes */ #undef BENCH_EMBEDDED #define BENCH_EMBEDDED #undef USE_CERT_BUFFERS_2048 #define USE_CERT_BUFFERS_2048 #undef USE_CERT_BUFFERS_256 #define USE_CERT_BUFFERS_256 /* ------------------------------------------------------------------------- */ /* Debugging */ /* ------------------------------------------------------------------------- */ #undef DEBUG_WOLFSSL //#define DEBUG_WOLFSSL #ifdef DEBUG_WOLFSSL /* Use this to measure / print heap usage */ #if 0 #undef USE_WOLFSSL_MEMORY #define USE_WOLFSSL_MEMORY #undef WOLFSSL_TRACK_MEMORY #define WOLFSSL_TRACK_MEMORY #define WOLFSSL_DEBUG_MEMORY #define WOLFSSL_DEBUG_MEMORY_PRINT #endif #else #undef NO_WOLFSSL_MEMORY //#define NO_WOLFSSL_MEMORY #undef NO_ERROR_STRINGS //#define NO_ERROR_STRINGS #endif /* ------------------------------------------------------------------------- */ /* Port */ /* ------------------------------------------------------------------------- */ /* Override Current Time */ /* Allows custom "custom_time()" function to be used for benchmark */ #define WOLFSSL_USER_CURRTIME /* ------------------------------------------------------------------------- */ /* RNG */ /* ------------------------------------------------------------------------- */ /* Size of returned HW RNG value */ #define NO_OLD_RNGNAME /* Choose RNG method */ #if 1 #ifndef STM32_RNG #define WOLFSSL_GENSEED_FORTEST #endif /* Use built-in P-RNG (SHA256 based) with HW RNG */ /* P-RNG + HW RNG (P-RNG is ~8K) */ #undef HAVE_HASHDRBG #define HAVE_HASHDRBG #else /* Bypass P-RNG and use only HW RNG */ extern int custom_rand_generate_block(unsigned char* output, unsigned int sz); #undef CUSTOM_RAND_GENERATE_BLOCK #define CUSTOM_RAND_GENERATE_BLOCK custom_rand_generate_block #endif /* ------------------------------------------------------------------------- */ /* Enable Features */ /* ------------------------------------------------------------------------- */ #undef WOLFSSL_TLS13 #if 0 #define WOLFSSL_TLS13 #endif #undef KEEP_PEER_CERT //#define KEEP_PEER_CERT #undef HAVE_COMP_KEY //#define HAVE_COMP_KEY #undef HAVE_TLS_EXTENSIONS #define HAVE_TLS_EXTENSIONS #undef HAVE_SUPPORTED_CURVES #define HAVE_SUPPORTED_CURVES #undef WOLFSSL_BASE64_ENCODE //#define WOLFSSL_BASE64_ENCODE /* TLS Session Cache */ #if 0 #define SMALL_SESSION_CACHE #else #define NO_SESSION_CACHE #endif /* ------------------------------------------------------------------------- */ /* Disable Features */ /* ------------------------------------------------------------------------- */ #undef NO_WOLFSSL_SERVER //#define NO_WOLFSSL_SERVER #undef NO_WOLFSSL_CLIENT //#define NO_WOLFSSL_CLIENT #undef NO_CRYPT_TEST //#define NO_CRYPT_TEST #undef NO_CRYPT_BENCHMARK //#define NO_CRYPT_BENCHMARK /* In-lining of misc.c functions */ /* If defined, must include wolfcrypt/src/misc.c in build */ /* Slower, but about 1k smaller */ #undef NO_INLINE //#define NO_INLINE #undef NO_FILESYSTEM #define NO_FILESYSTEM #undef NO_WRITEV #define NO_WRITEV #undef NO_MAIN_DRIVER #define NO_MAIN_DRIVER #undef NO_DEV_RANDOM #define NO_DEV_RANDOM #undef NO_DSA #define NO_DSA #undef NO_RC4 #define NO_RC4 #undef NO_OLD_TLS #define NO_OLD_TLS #undef NO_HC128 #define NO_HC128 #undef NO_RABBIT #define NO_RABBIT #undef NO_PSK #define NO_PSK #undef NO_MD4 #define NO_MD4 #undef NO_PWDBASED #define NO_PWDBASED #undef NO_CODING //#define NO_CODING /* bypass certificate date checking, due to lack of properly configured RTC source */ #undef NO_ASN_TIME #define NO_ASN_TIME #ifdef __cplusplus } #endif #endif /* WOLFSSL_USER_SETTINGS_H */