OVMS3/OVMS.V3/components/wolfssl/IDE/RISCV/SIFIVE-HIFIVE1/user_settings.h

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/* user_settings.h
*
* Copyright (C) 2020 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 Settings for SiFive HiFive1 */
#ifndef WOLFSSL_USER_SETTINGS_H
#define WOLFSSL_USER_SETTINGS_H
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------------------------------------------------------- */
/* SiFive HiFive */
/* ------------------------------------------------------------------------- */
#undef WOLFSSL_SIFIVE_RISC_V
#define WOLFSSL_SIFIVE_RISC_V
/* ------------------------------------------------------------------------- */
/* 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_USER_IO
#define WOLFSSL_USER_IO
/* ------------------------------------------------------------------------- */
/* Math Configuration */
/* ------------------------------------------------------------------------- */
#undef SIZEOF_LONG_LONG
#define SIZEOF_LONG_LONG 8
#undef USE_FAST_MATH
#if 1
#define USE_FAST_MATH
#undef TFM_TIMING_RESISTANT
#define TFM_TIMING_RESISTANT
/* Optimizations */
//#define TFM_ARM
#endif
/* ------------------------------------------------------------------------- */
/* Asymmetric */
/* ------------------------------------------------------------------------- */
/* RSA */
/* Not enabled due to memory constraints on HiFive1 */
#undef NO_RSA
#if 0
#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 */
#if 1
#undef WC_RSA_BLINDING
#define WC_RSA_BLINDING
#else
#undef WC_NO_HARDEN
#define WC_NO_HARDEN
#endif
/* RSA PSS Support */
#if 0
#define WC_RSA_PSS
#endif
#if 0
#define WC_RSA_NO_PADDING
#endif
#else
#define NO_RSA
#endif
/* ECC */
#undef HAVE_ECC
#if 1
#define HAVE_ECC
/* Manually define enabled curves */
#undef ECC_USER_CURVES
#define ECC_USER_CURVES
#ifdef ECC_USER_CURVES
/* Manual Curve Selection, FP_MAX_BITS must be adjusted accordingly */
// #define HAVE_ECC192
// #define HAVE_ECC224
#undef NO_ECC256
// #define HAVE_ECC384
// #define HAVE_ECC521
#endif
/* 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
/* Enable cofactor support */
#undef HAVE_ECC_CDH
//#define HAVE_ECC_CDH
/* Validate import */
#undef WOLFSSL_VALIDATE_ECC_IMPORT
//#define WOLFSSL_VALIDATE_ECC_IMPORT
/* Compressed Key Support */
#undef HAVE_COMP_KEY
//#define HAVE_COMP_KEY
/* Use alternate ECC size for ECC math */
#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
/* Disable alternate ECC size, since it uses HEAP allocations.
Heap is limited resource on HiFive1 */
//#define ALT_ECC_SIZE
#endif
#endif
#endif
/* DH */
#undef NO_DH
#if 0
/* Use table for DH instead of -lm (math) lib dependency */
#if 0
#define WOLFSSL_DH_CONST
#endif
#define HAVE_FFDHE_2048
//#define HAVE_FFDHE_4096
//#define HAVE_FFDHE_6144
//#define HAVE_FFDHE_8192
#else
#define NO_DH
#endif
/* Wolf Single Precision Math */
/* Optional ECC SECP256R1 acceleration using optimized C code */
#undef WOLFSSL_SP
#if 1
#define WOLFSSL_SP
#define WOLFSSL_SP_SMALL /* use smaller version of code (requires heap) */
#define SP_WORD_SIZE 32 /* force 32-bit type */
#define WOLFSSL_SP_MATH /* only SP math - eliminates fast math code */
//#define WOLFSSL_SP_DIV_32 /* do not use 64-bit divides */
#ifdef HAVE_ECC
#define WOLFSSL_HAVE_SP_ECC
#endif
#ifndef NO_RSA
#define WOLFSSL_HAVE_SP_RSA
#endif
#endif
/* Ed25519 / Curve25519 */
#undef HAVE_CURVE25519
#undef HAVE_ED25519
#if 1
#define HAVE_CURVE25519
#define HAVE_ED25519 /* ED25519 Requires SHA512 */
/* Optionally use small math (less flash usage, but much slower) */
#if 1
/* Curve and Ed 25519 small */
#define CURVED25519_SMALL
#endif
#endif
/* ------------------------------------------------------------------------- */
/* Symmetric Ciphers */
/* ------------------------------------------------------------------------- */
/* AES */
#undef NO_AES
#if 1
#undef HAVE_AES_CBC
#define HAVE_AES_CBC
#undef HAVE_AESGCM
#define HAVE_AESGCM
/* GCM Method: GCM_SMALL, GCM_WORD32 or GCM_TABLE */
#define GCM_SMALL
#undef WOLFSSL_AES_DIRECT
//#define WOLFSSL_AES_DIRECT
#undef HAVE_AES_ECB
//#define HAVE_AES_ECB
#undef WOLFSSL_AES_COUNTER
//#define WOLFSSL_AES_COUNTER
#undef HAVE_AESCCM
//#define HAVE_AESCCM
#endif
/* DES3 */
#undef NO_DES3
#if 0
#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
/* ------------------------------------------------------------------------- */
/* Symmetric 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
#define WOLFSSL_SHA512
/* Sha384 */
#undef WOLFSSL_SHA384
#if 0
#define WOLFSSL_SHA384
#endif
/* over twice as small, but 50% slower */
#define USE_SLOW_SHA512
#endif
/* Sha3 */
#undef WOLFSSL_SHA3
#if 0
#define WOLFSSL_SHA3
#endif
/* MD5 */
#undef NO_MD5
#if 0
#else
#define NO_MD5
#endif
/* Blake2B */
#undef HAVE_BLAKE2
#if 0
#define HAVE_BLAKE2
#endif
/* Blake2S */
#undef HAVE_BLAKE2S
#if 0
#define HAVE_BLAKE2S
#endif
/* HKDF */
#undef HAVE_HKDF
#if 0
#define HAVE_HKDF
#endif
/* CMAC */
#undef WOLFSSL_CMAC
#if 0
#define WOLFSSL_CMAC
#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_1024
//#define USE_CERT_BUFFERS_1024
#undef USE_CERT_BUFFERS_256
#define USE_CERT_BUFFERS_256
/* ------------------------------------------------------------------------- */
/* Debugging */
/* ------------------------------------------------------------------------- */
#undef DEBUG_WOLFSSL
#undef NO_ERROR_STRINGS
#if 0
#define DEBUG_WOLFSSL
#else
#if 0
#define NO_ERROR_STRINGS
#endif
#endif
/* ------------------------------------------------------------------------- */
/* Memory */
/* ------------------------------------------------------------------------- */
/* Override Memory API's */
#if 0
#undef XMALLOC_OVERRIDE
#define XMALLOC_OVERRIDE
/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
extern void *myRealloc(void *p, size_t n, void* heap, int type);
#define XMALLOC(n, h, t) myMalloc(n, h, t)
#define XFREE(p, h, t) myFree(p, h, t)
#define XREALLOC(p, n, h, t) myRealloc(p, n, h, t)
#endif
/* Static memory */
#if 0
/* Static memory requires fast math */
#define WOLFSSL_STATIC_MEMORY
/* Disable fallback malloc/free */
#define WOLFSSL_NO_MALLOC
#if 1
#define WOLFSSL_MALLOC_CHECK /* trap malloc failure */
#endif
#endif
/* Memory callbacks */
#if 0
#undef USE_WOLFSSL_MEMORY
#define USE_WOLFSSL_MEMORY
/* Use this to measure / print heap usage */
#if 1
#undef WOLFSSL_TRACK_MEMORY
#define WOLFSSL_TRACK_MEMORY
#undef WOLFSSL_DEBUG_MEMORY
#define WOLFSSL_DEBUG_MEMORY
#endif
#else
#ifndef WOLFSSL_STATIC_MEMORY
#define NO_WOLFSSL_MEMORY
/* Otherwise we will use stdlib malloc, free and realloc */
#endif
#endif
/* ------------------------------------------------------------------------- */
/* Port */
/* ------------------------------------------------------------------------- */
/* Override Current Time */
#if defined(WOLFSSL_SIFIVE_RISC_V)
#define WOLFSSL_USER_CURRTIME /* for benchmarks, uses "custom_time()" function */
#define WOLFSSL_GMTIME
#define USER_TICKS
#else
// extern unsigned long my_time(unsigned long* timer);
// #define XTIME my_time
#endif
/* ------------------------------------------------------------------------- */
/* RNG */
/* ------------------------------------------------------------------------- */
#if 0
/* Bypass P-RNG and use only HW RNG */
#define CUSTOM_RAND_TYPE unsigned int
extern int my_rng_gen_block(unsigned char* output, unsigned int sz);
#undef CUSTOM_RAND_GENERATE_BLOCK
#define CUSTOM_RAND_GENERATE_BLOCK my_rng_gen_block
#else
#define HAVE_HASHDRBG
/* Seed Source */
/* Size of returned HW RNG value */
#define CUSTOM_RAND_TYPE unsigned int
extern unsigned int my_rng_seed_gen(void);
#undef CUSTOM_RAND_GENERATE
#define CUSTOM_RAND_GENERATE my_rng_seed_gen
#endif
/* ------------------------------------------------------------------------- */
/* Enable Features */
/* ------------------------------------------------------------------------- */
#undef WOLFSSL_TLS13
#if 0
#define WOLFSSL_TLS13
#endif
#undef WOLFSSL_KEY_GEN
#if 0
#define WOLFSSL_KEY_GEN
#endif
/* reduce DH test time */
#define WOLFSSL_OLD_PRIME_CHECK
#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
#undef WOLFCRYPT_ONLY
//#define WOLFCRYPT_ONLY
/* 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
#undef NO_ASN_TIME
//#define NO_ASN_TIME
#undef NO_CERTS
//#define NO_CERTS
#undef NO_SIG_WRAPPER
//#define NO_SIG_WRAPPER
#ifdef __cplusplus
}
#endif
#endif /* WOLFSSL_USER_SETTINGS_H */