wolfssl-examples/puf/user_settings.h

118 lines
3.7 KiB
C

/* user_settings.h
*
* Minimal wolfCrypt configuration for bare-metal SRAM PUF example.
* Target: Cortex-M (tested on NUCLEO-H563ZI)
*
* Copyright (C) 2006-2026 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 3 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
*/
#ifndef WOLFSSL_USER_SETTINGS_H
#define WOLFSSL_USER_SETTINGS_H
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------------------------------------------------------- */
/* Platform */
/* ------------------------------------------------------------------------- */
#define WOLFCRYPT_ONLY
#define SINGLE_THREADED
#define WOLFSSL_SMALL_STACK
#define WOLFSSL_GENERAL_ALIGNMENT 4
#define WOLFSSL_USER_IO
#ifndef USE_WOLF_ARM_STARTUP
#define USE_WOLF_ARM_STARTUP
#endif
/* ------------------------------------------------------------------------- */
/* PUF (Physically Unclonable Function) */
/* ------------------------------------------------------------------------- */
#define WOLFSSL_PUF
#define WOLFSSL_PUF_SRAM
/* WOLFSSL_PUF_TEST enables test mode (synthetic SRAM data for testing
* without hardware). Controlled by the Makefile PUF_TEST switch:
* make (PUF_TEST=1, default) - test mode enabled
* make PUF_TEST=0 - real hardware SRAM PUF */
/* ------------------------------------------------------------------------- */
/* Required Dependencies */
/* ------------------------------------------------------------------------- */
/* HKDF is required for PUF key derivation (wc_PufDeriveKey) */
#define HAVE_HKDF
/* SHA-256 is required for PUF identity and HKDF */
/* (enabled by default, do not define NO_SHA256) */
/* Uncomment to use SHA3-256 instead of SHA-256 for PUF identity and HKDF */
/* #define WC_PUF_SHA3 */
/* #define WOLFSSL_SHA3 */
/* ------------------------------------------------------------------------- */
/* Math Configuration */
/* ------------------------------------------------------------------------- */
#define WOLFSSL_SP_MATH_ALL
#define WOLFSSL_SP_SMALL
#define SP_WORD_SIZE 32
/* ------------------------------------------------------------------------- */
/* Disable Unused Features */
/* ------------------------------------------------------------------------- */
#define NO_RSA
#define NO_DH
#define NO_DSA
#define NO_DES3
#define NO_RC4
#define NO_MD4
#define NO_MD5
#define NO_SHA
#define NO_PSK
#define NO_OLD_TLS
#define NO_PWDBASED
#define NO_CERTS
#define NO_ASN
#define NO_CODING
#define NO_SIG_WRAPPER
#define NO_AES
/* ------------------------------------------------------------------------- */
/* System */
/* ------------------------------------------------------------------------- */
#define NO_FILESYSTEM
#define NO_WRITEV
#define NO_MAIN_DRIVER
#define NO_DEV_RANDOM
#define BENCH_EMBEDDED
#define WOLFSSL_IGNORE_FILE_WARN
/* Provide custom time function */
#define USER_TICKS
/* Use STM32H5 hardware TRNG (implemented in stm32.c) */
extern int custom_rand_gen_block(unsigned char *output, unsigned int sz);
#define CUSTOM_RAND_GENERATE_BLOCK custom_rand_gen_block
#ifdef __cplusplus
}
#endif
#endif /* WOLFSSL_USER_SETTINGS_H */