mirror of
https://github.com/wolfSSL/wolfssl.git
synced 2026-07-05 11:00:54 +02:00
JacobBarthelmeh
232 lines
6.2 KiB
C
232 lines
6.2 KiB
C
/* user_settings_baremetal.h
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/* Bare metal configuration for systems without an OS.
|
|
* No filesystem, no malloc, static memory, minimal footprint.
|
|
* Suitable for deeply embedded systems and bootloaders.
|
|
*
|
|
* Build and test:
|
|
* cp ./examples/configs/user_settings_baremetal.h user_settings.h
|
|
* ./configure --enable-usersettings --disable-examples
|
|
* make
|
|
* ./wolfcrypt/test/testwolfcrypt
|
|
*/
|
|
|
|
#ifndef WOLFSSL_USER_SETTINGS_H
|
|
#define WOLFSSL_USER_SETTINGS_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Platform - Bare Metal */
|
|
/* ------------------------------------------------- */
|
|
#define SINGLE_THREADED
|
|
#define NO_FILESYSTEM
|
|
#define NO_WRITEV
|
|
#define WOLFSSL_NO_SOCK
|
|
#define WOLFSSL_IGNORE_FILE_WARN
|
|
#define WOLFSSL_GENERAL_ALIGNMENT 4
|
|
#define SIZEOF_LONG_LONG 8
|
|
|
|
/* TLS transport requires setting IO callbacks */
|
|
#define WOLFSSL_USER_IO
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Memory */
|
|
/* ------------------------------------------------- */
|
|
#if 1 /* stack memory */
|
|
|
|
#elif 1 /* small stack */
|
|
/* Small stack - allocate large variables from static pool */
|
|
#define WOLFSSL_SMALL_STACK
|
|
#else /* static memory */
|
|
#define WOLFSSL_STATIC_MEMORY
|
|
#define WOLFSSL_NO_MALLOC
|
|
#define WOLFSSL_SP_NO_MALLOC
|
|
#define WOLFSSL_MALLOC_CHECK
|
|
#define NO_WOLFSSL_MEMORY
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Math - Single Precision (smallest) */
|
|
/* ------------------------------------------------- */
|
|
#define WOLFSSL_SP_MATH
|
|
#define WOLFSSL_SP_SMALL
|
|
#define TFM_TIMING_RESISTANT
|
|
|
|
/* ------------------------------------------------- */
|
|
/* TLS (optional - disable for crypto-only) */
|
|
/* ------------------------------------------------- */
|
|
#if 0 /* TLS support */
|
|
#define WOLFSSL_TLS13
|
|
#define WOLFSSL_NO_TLS12
|
|
#define NO_OLD_TLS
|
|
#define HAVE_TLS_EXTENSIONS
|
|
#define HAVE_SUPPORTED_CURVES
|
|
#define HAVE_HKDF
|
|
#else
|
|
#define WOLFCRYPT_ONLY
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* ECC (smallest asymmetric option) */
|
|
/* ------------------------------------------------- */
|
|
#if 1 /* ECC support */
|
|
#define HAVE_ECC
|
|
#define WOLFSSL_HAVE_SP_ECC
|
|
|
|
#define ECC_USER_CURVES /* P-256 only */
|
|
#undef NO_ECC256
|
|
#define ECC_TIMING_RESISTANT
|
|
/* Disable for smaller size */
|
|
#if 0 /* ECC Shamir (faster, more code) */
|
|
#define ECC_SHAMIR
|
|
#endif
|
|
#endif
|
|
|
|
/* ECC Feature Reduction */
|
|
#if 0 /* Verify only (no signing/keygen) */
|
|
#define NO_ECC_SIGN
|
|
#define NO_ECC_DHE
|
|
#define NO_ECC_KEY_EXPORT
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* RSA (disable for smallest size) */
|
|
/* ------------------------------------------------- */
|
|
#if 0 /* RSA support */
|
|
#undef NO_RSA
|
|
#define WOLFSSL_HAVE_SP_RSA
|
|
#define WC_RSA_BLINDING
|
|
#define RSA_LOW_MEM
|
|
#if 0 /* Verify only */
|
|
#define WOLFSSL_RSA_PUBLIC_ONLY
|
|
#define WOLFSSL_RSA_VERIFY_INLINE
|
|
#define NO_CHECK_PRIVATE_KEY
|
|
#endif
|
|
#else
|
|
#define NO_RSA
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Symmetric Ciphers */
|
|
/* ------------------------------------------------- */
|
|
#if 1 /* AES */
|
|
#define HAVE_AESGCM
|
|
#define GCM_SMALL
|
|
#define WOLFSSL_AES_SMALL_TABLES
|
|
#define WOLFSSL_AES_NO_UNROLL
|
|
#define NO_AES_192
|
|
#define NO_AES_256
|
|
#if 0 /* AES-CBC */
|
|
#undef NO_AES_CBC
|
|
#else
|
|
#define NO_AES_CBC
|
|
#endif
|
|
#else
|
|
#define NO_AES
|
|
#endif
|
|
|
|
#if 0 /* ChaCha20-Poly1305 */
|
|
#define HAVE_CHACHA
|
|
#define HAVE_POLY1305
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Hashing */
|
|
/* ------------------------------------------------- */
|
|
/* SHA-256 only (required) */
|
|
#define USE_SLOW_SHA256
|
|
|
|
#if 0 /* SHA-1 (legacy) */
|
|
#undef NO_SHA
|
|
#else
|
|
#define NO_SHA
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* RNG */
|
|
/* ------------------------------------------------- */
|
|
#if 1 /* Hash-based DRBG */
|
|
#define HAVE_HASHDRBG
|
|
#else
|
|
/* Use hardware RNG directly */
|
|
#define WC_NO_HASHDRBG
|
|
extern int my_rng_gen_block(unsigned char* output, unsigned int sz);
|
|
#define CUSTOM_RAND_GENERATE_BLOCK my_rng_gen_block
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* ASN / Certificates */
|
|
/* ------------------------------------------------- */
|
|
#define WOLFSSL_ASN_TEMPLATE
|
|
|
|
#if 0 /* Disable certificates for smallest size */
|
|
#define NO_ASN
|
|
#define NO_CERTS
|
|
#define NO_CODING
|
|
#endif
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Disabled Algorithms */
|
|
/* ------------------------------------------------- */
|
|
#define NO_DH
|
|
#define NO_DSA
|
|
#define NO_RC4
|
|
#define NO_MD4
|
|
#define NO_MD5
|
|
#define NO_DES3
|
|
#define NO_DES3_TLS_SUITES
|
|
#define NO_PSK
|
|
#define NO_PWDBASED
|
|
#define NO_PKCS8
|
|
#define NO_PKCS12
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Disabled Features */
|
|
/* ------------------------------------------------- */
|
|
#define NO_SIG_WRAPPER
|
|
#define NO_SESSION_CACHE
|
|
#define NO_ERROR_STRINGS
|
|
#define NO_OLD_RNGNAME
|
|
#define NO_WOLFSSL_DIR
|
|
#define BENCH_EMBEDDED
|
|
|
|
/* ------------------------------------------------- */
|
|
/* Custom Time (bare metal has no RTC typically) */
|
|
/* ------------------------------------------------- */
|
|
#if 1 /* Custom time function */
|
|
#define NO_ASN_TIME
|
|
/* Or provide custom time:
|
|
* #define USER_TIME
|
|
* extern unsigned long my_time(unsigned long* timer);
|
|
* #define XTIME my_time
|
|
*/
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* WOLFSSL_USER_SETTINGS_H */
|