mirror of
https://github.com/wolfSSL/wolfssl.git
synced 2026-04-29 02:24:21 +02:00
Fixes and improvements for building with low footprint. Fix for ASN template with RSA verify only (was missing mp_leading_bit). Fix to allow disabling DRBG with crypto callbacks enabled. Updated the wolfTPM user_settings.h template with low resource option.
This commit is contained in:
David Garske
@@ -20,16 +20,44 @@
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*/
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/* should be renamed to user_settings.h for customer use
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* generated from configure and wolfssl/options.h using:
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* ./configure --enable-wolftpm --disable-dh --disable-oldtls \
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* --disable-sha3 --disable-sha512 --disable-sha384 --disable-sha224 \
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* --disable-pkcs12 --disable-chacha --disable-poly1305 \
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* --disable-sys-ca-certs --disable-examples
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*
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* Cleaned up by David Garske
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/* To use the rename file to user_settings.h and define WOLFSSL_USER_SETTINGS */
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/* Test using:
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cp ./examples/configs/user_settings_wolftpm.h user_settings.h
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./configure --enable-usersettings --disable-examples CFLAGS="-Os"
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make
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*/
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/* Options generated from configure and wolfssl/options.h using:
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./configure --enable-wolftpm --disable-dh --disable-oldtls \
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--disable-sha3 --disable-sha512 --disable-sha384 --disable-sha224 \
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--disable-pkcs12 --disable-chacha --disable-poly1305 \
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--disable-sys-ca-certs --disable-examples
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*/
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/* Options for USE_LOW_RESOURCE generated with configure and wolfssl/options.h
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* using:
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./configure --enable-lowresource --enable-cryptonly --enable-aescfb \
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--enable-hmac --enable-cryptocb --enable-singlethreaded \
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--enable-sp=smallrsa2048 --enable-sp-math --disable-sp-asm \
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--disable-filesystem --disable-asm --disable-pkcs8 --disable-pkcs12 \
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--disable-ecc --disable-dh \
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--disable-sha224 --disable-sha384 --disable-sha512 \
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--disable-md5 --disable-sha3 \
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--disable-aescbc --disable-aesgcm --disable-aesccm \
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--disable-poly1305 --disable-chacha \
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--disable-hashdrbg \
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--disable-sys-ca-certs --disable-error-queue-per-thread \
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--disable-oldtls --disable-errorstrings --disable-memory --disable-coding \
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--disable-examples --disable-optflags \
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CFLAGS="-Os -DNO_SIG_WRAPPER -DNO_AES_192 -DNO_AES_256 \
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-DWOLFSSL_RSA_PUBLIC_ONLY -DWOLFSSL_RSA_VERIFY_INLINE -DNO_CHECK_PRIVATE_KEY"
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*/
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/* For the wolfTPM build:
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./configure --enable-swtpm CFLAGS="-Os" && make
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*/
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#ifndef WOLF_USER_SETTINGS_TPM_H
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#define WOLF_USER_SETTINGS_TPM_H
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@@ -38,7 +66,15 @@
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extern "C" {
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#endif
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#if 1
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/* enable for low resource options */
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#if 0
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#define USE_LOW_RESOURCE
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#endif
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#ifdef USE_LOW_RESOURCE
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/* wolfCrypt only (no SSL/TLS) */
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#define WOLFCRYPT_ONLY
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#else
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/* wolfTPM with TLS example (v1.3 only) */
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#define WOLFSSL_TLS13
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#define WOLFSSL_NO_TLS12
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@@ -52,78 +88,136 @@ extern "C" {
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#define HAVE_HKDF
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#define WC_RSA_PSS
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#define WOLFSSL_PSS_LONG_SALT
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#else
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/* wolfCrypt only (no SSL/TLS) */
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#define WOLFCRYPT_ONLY
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#endif
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/* No threading or file system */
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#define SINGLE_THREADED
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/* File system disable */
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#if 0
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#define NO_FILESYSTEM
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#endif
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/* Enable crypto callbacks */
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#define WOLF_CRYPTO_CB
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/* Enable PRNG (SHA2-256) */
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#define HAVE_HASHDRBG
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/* Enable SP math all (sp_int.c) with multi-precision support */
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#define WOLFSSL_SP_MATH_ALL
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#ifdef USE_LOW_RESOURCE
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/* Single Precision math for RSA 2048 only (small) */
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#define WOLFSSL_HAVE_SP_RSA
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#define WOLFSSL_SP_MATH
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#define WOLFSSL_SP_SMALL
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#define WOLFSSL_SP_NO_3072 /* 2048-only */
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#else
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/* Enable SP math all (sp_int.c) with multi-precision support */
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#define WOLFSSL_SP_MATH_ALL
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#endif
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/* Enable hardening (timing resistance) */
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#define TFM_TIMING_RESISTANT
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#define ECC_TIMING_RESISTANT
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#define WC_RSA_BLINDING
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/* Enable PRNG (SHA2-256) */
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#ifdef USE_LOW_RESOURCE
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/* use TPM TRNG */
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#define WC_NO_HASHDRBG
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#else
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#define HAVE_HASHDRBG
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#endif
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/* Asymmetric */
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#define HAVE_ECC
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#undef NO_RSA
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#define NO_DH
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#ifndef NO_DH
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#if 1 /* RSA - needed to encrypt salt */
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#undef NO_RSA
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#ifdef USE_LOW_RESOURCE
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#define WOLFSSL_RSA_PUBLIC_ONLY
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#define WOLFSSL_RSA_VERIFY_INLINE
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#define NO_CHECK_PRIVATE_KEY
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#endif
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#else
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#define NO_RSA
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#endif
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#ifndef USE_LOW_RESOURCE /* ECC */
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#define HAVE_ECC
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#define ECC_USER_CURVES /* default to only SECP256R1 */
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#endif
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#ifndef USE_LOW_RESOURCE /* DH */
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#undef NO_DH
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#define HAVE_FFDHE_2048
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#define HAVE_DH_DEFAULT_PARAMS
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#else
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#define NO_DH
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#endif
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/* Symmetric Hash */
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#undef NO_SHA
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#undef NO_SHA256
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#define WOLFSSL_SHA512
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#define WOLFSSL_SHA384
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#ifndef USE_LOW_RESOURCE
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#define WOLFSSL_SHA512
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#define WOLFSSL_SHA384
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#endif
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/* Symmetric Cipher */
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#define HAVE_AES_KEYWRAP
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#define WOLFSSL_AES_DIRECT
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#define WOLFSSL_AES_CFB
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#define HAVE_AESGCM
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#define GCM_TABLE_4BIT
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#define HAVE_AES_DECRYPT
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#ifndef USE_LOW_RESOURCE
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#define HAVE_AES_KEYWRAP
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#define WOLFSSL_AES_DIRECT
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#define HAVE_AESGCM
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#define GCM_TABLE_4BIT
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#else
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#define NO_AES_CBC
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#endif
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#if 0
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#if 0 /* ChaCha20 / Poly1305 */
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#define HAVE_POLY1305
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#define HAVE_CHACHA
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#endif
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/* Features */
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#define WOLFSSL_CERT_GEN
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#define WOLFSSL_CERT_REQ
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#define WOLFSSL_CERT_EXT
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#define HAVE_PKCS7
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#define HAVE_X963_KDF
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#define WOLFSSL_BASE64_ENCODE
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#define WOLFSSL_ASN_TEMPLATE
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#define WOLFSSL_USER_IO /* user recv/send callbacks for network IO */
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#ifndef USE_LOW_RESOURCE
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#define WOLFSSL_CERT_GEN
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#define WOLFSSL_CERT_REQ
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#define WOLFSSL_CERT_EXT
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#define HAVE_PKCS7
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#define HAVE_X963_KDF
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#define WOLFSSL_BASE64_ENCODE
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#endif
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/* Disables */
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#define NO_PKCS8
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#define NO_PKCS12
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#define NO_PWDBASED
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#define NO_DSA
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#define NO_DES3
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#define NO_RC4
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#define NO_PSK
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#define NO_MD4
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#define NO_MD5
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#define WOLFSSL_NO_SHAKE128
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#define WOLFSSL_NO_SHAKE256
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#define NO_WRITEV
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/* Low Resource Options */
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#ifdef USE_LOW_RESOURCE
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#define NO_FILESYSTEM /* File system disable */
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#define NO_ERROR_STRINGS
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#define WOLFSSL_NO_ASM
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#define TFM_NO_ASM
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#define NO_WOLFSSL_MEMORY
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#define NO_SESSION_CACHE
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#define RSA_LOW_MEM
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#define WOLFSSL_AES_SMALL_TABLES
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#define WOLFSSL_AES_NO_UNROLL
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#define GCM_SMALL
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#undef GCM_TABLE_4BIT
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#define NO_AES_192
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#define NO_AES_256
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#define USE_SLOW_SHA
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#define USE_SLOW_SHA256
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#define USE_SLOW_SHA512
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#define NO_SIG_WRAPPER
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#define NO_ASN_TIME
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#define NO_CODING
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#define NO_BIG_INT
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#endif
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#ifdef __cplusplus
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}
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