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wolfssl/examples/configs/user_settings_min_ecc.h
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2026-02-18 09:52:21 -07:00

155 lines
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C

/* user_settings_min_ecc.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
*/
/* Minimal ECC and SHA-256 only (no TLS, no RSA, no AES)
*
* Derived from:
* ./configure \
* --enable-cryptonly --enable-ecc --enable-sp \
* --disable-rsa --disable-dh --disable-sha3 \
* --disable-sha224 --disable-md5 \
* --disable-sha --disable-pkcs12 --disable-memory \
* --disable-chacha --disable-poly1305 \
* --disable-sha512 --disable-sha384 \
* --disable-aesgcm --disable-aescbc \
* --disable-aes --disable-rng \
* CFLAGS="-DNO_SIG_WRAPPER -DWOLFSSL_PUBLIC_MP \
* -DECC_USER_CURVES"
*
* Build and test:
* cp ./examples/configs/user_settings_min_ecc.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 */
/* ------------------------------------------------- */
#define WOLFCRYPT_ONLY /* No TLS, wolfCrypt only */
/* Endianness - defaults to little endian */
#ifdef __BIG_ENDIAN__
#define BIG_ENDIAN_ORDER
#endif
#define WOLFSSL_PUBLIC_MP /* Expose mp_ math API's */
/* ------------------------------------------------- */
/* Math */
/* ------------------------------------------------- */
#define WOLFSSL_SP
#define WOLFSSL_SP_SMALL
#define WOLFSSL_SP_MATH
#define WOLFSSL_HAVE_SP_ECC
/* ------------------------------------------------- */
/* Timing Resistance */
/* ------------------------------------------------- */
#define TFM_TIMING_RESISTANT
#define ECC_TIMING_RESISTANT
/* ------------------------------------------------- */
/* ECC */
/* ------------------------------------------------- */
#define HAVE_ECC
#define ECC_USER_CURVES /* Only P-256 by default */
#if 0 /* ECC Shamir - faster but more code/memory */
#define ECC_SHAMIR
#endif
/* ECC Feature Options */
#if 0 /* Disable ECC key export */
#define NO_ECC_KEY_EXPORT
#endif
#if 0 /* Disable ECDHE key agreement */
#define NO_ECC_DHE
#endif
#if 0 /* Disable ECC sign */
#define NO_ECC_SIGN
#endif
#if 0 /* Disable ECC verify */
#define NO_ECC_VERIFY
#endif
/* ------------------------------------------------- */
/* Hashing */
/* ------------------------------------------------- */
/* SHA-256 enabled by default */
/* ------------------------------------------------- */
/* Disabled Algorithms */
/* ------------------------------------------------- */
#define NO_AES
#define NO_AES_CBC
#define NO_DES3
#define NO_DSA
#define NO_RSA
#define NO_DH
#define NO_RC4
#define NO_MD4
#define NO_MD5
#define NO_SHA
#define NO_PWDBASED
#define NO_PKCS12
#define NO_PKCS8
#define NO_SIG_WRAPPER
/* ------------------------------------------------- */
/* Disabled Features */
/* ------------------------------------------------- */
#define NO_WOLFSSL_MEMORY
#define WOLFSSL_NO_PEM
#define NO_PSK
#if 0 /* Disable ASN.1 / certificates */
#define NO_ASN
#define NO_CERTS
#define NO_CODING
#endif
#if 0 /* Disable RNG (ECC verify only) */
#define WC_NO_RNG
#endif
/* ------------------------------------------------- */
/* Debugging */
/* ------------------------------------------------- */
#if 0 /* Enable debug logging */
#define DEBUG_WOLFSSL
#endif
#if 1 /* Disable error strings to save flash */
#define NO_ERROR_STRINGS
#endif
#ifdef __cplusplus
}
#endif
#endif /* WOLFSSL_USER_SETTINGS_H */