user_settings.h

/* Example custom user settings for wolfSSL */
 
#ifndef WOLFSSL_USER_SETTINGS_H
#define WOLFSSL_USER_SETTINGS_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stddef.h> /* for size_t */
 
 
/* ------------------------------------------------------------------------- */
/* 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  MICROCHIP_PIC32
#define MICROCHIP_PIC32
 
#undef  WOLFSSL_MICROCHIP_PIC32MZ
#define WOLFSSL_MICROCHIP_PIC32MZ
 
 
/* ------------------------------------------------------------------------- */
/* Math Configuration */
/* ------------------------------------------------------------------------- */
#undef  USE_FAST_MATH
#define USE_FAST_MATH
 
#ifdef USE_FAST_MATH
    #undef  TFM_TIMING_RESISTANT
    #define TFM_TIMING_RESISTANT
 
    /* Optimizations */
    //#define TFM_MIPS
#endif
 
 
/* ------------------------------------------------------------------------- */
/* Crypto */
/* ------------------------------------------------------------------------- */
/* ECC */
#if 1
    #undef  HAVE_ECC
    #define HAVE_ECC
 
    /* Manually define enabled curves */
    #undef  ECC_USER_CURVES
    #define ECC_USER_CURVES
 
    //#define HAVE_ECC192
    //#define HAVE_ECC224
    #undef NO_ECC256
    //#define HAVE_ECC384
    //#define HAVE_ECC521
 
    /* 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
 
    #ifdef USE_FAST_MATH
        /* use reduced size math buffers for ecc points */
        #undef  ALT_ECC_SIZE
        #define ALT_ECC_SIZE
 
        /* Enable TFM optimizations for ECC */
        #if defined(HAVE_ECC192) || defined(HAVE_ALL_CURVES)
            #define TFM_ECC192
        #endif
        #if defined(HAVE_ECC224) || defined(HAVE_ALL_CURVES)
            #define TFM_ECC224
        #endif
        #if !defined(NO_ECC256) || defined(HAVE_ALL_CURVES)
            #define TFM_ECC256
        #endif
        #if defined(HAVE_ECC384) || defined(HAVE_ALL_CURVES)
            #define TFM_ECC384
        #endif
        #if defined(HAVE_ECC521) || defined(HAVE_ALL_CURVES)
            #define TFM_ECC521
        #endif
    #endif
#endif
 
/* RSA */
#undef NO_RSA
#if 1
    #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
 
    /* timing resistance */
    #undef  WC_RSA_BLINDING
    #define WC_RSA_BLINDING
#else
    #define NO_RSA
#endif
 
/* AES */
#undef NO_AES
#if 1
    #undef  HAVE_AES_DECRYPT
    #define HAVE_AES_DECRYPT
 
    #undef  HAVE_AESGCM
    #define HAVE_AESGCM
 
    /* GCM Method: GCM_SMALL, GCM_WORD32 or GCM_TABLE */
    #undef  GCM_SMALL
    #define GCM_SMALL
 
    #undef  HAVE_AESCCM
    #define HAVE_AESCCM
 
    #undef  WOLFSSL_AES_COUNTER
    #define WOLFSSL_AES_COUNTER
 
    #undef  WOLFSSL_AES_DIRECT
    #define WOLFSSL_AES_DIRECT
#else
    #define NO_AES
#endif
 
/* DES3 */
#undef NO_DES3
#if 1
    #undef  WOLFSSL_DES_ECB
    #define WOLFSSL_DES_ECB
#else
    #define NO_DES3
#endif
 
 
/* ChaCha20 / Poly1305 */
#undef HAVE_CHACHA
#undef HAVE_POLY1305
#if 0
    #define HAVE_CHACHA
    #define HAVE_POLY1305
 
    /* Needed for Poly1305 */
    #undef  HAVE_ONE_TIME_AUTH
    #define HAVE_ONE_TIME_AUTH
#endif
 
/* Ed25519 / Curve25519 */
#undef HAVE_CURVE25519
#undef HAVE_ED25519
#if 0
    #define HAVE_CURVE25519
    #define HAVE_ED25519
 
    /* Optionally use small math (less flash usage, but much slower) */
    #if 0
        #define CURVED25519_SMALL
    #endif
#endif
 
 
/* ------------------------------------------------------------------------- */
/* 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
#else
    #define NO_SHA256
#endif
 
/* Sha512 */
#undef WOLFSSL_SHA512
#if 1
    #define WOLFSSL_SHA512
 
    /* Sha384 */
    #undef  WOLFSSL_SHA384
    #if 1
        #define WOLFSSL_SHA384
    #endif
 
    /* over twice as small, but 50% slower */
    //#define USE_SLOW_SHA2
#endif
 
/* MD5 */
#undef  NO_MD5
#if 1
#else
    #define NO_MD5
#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
 
 
/* ------------------------------------------------------------------------- */
/* Time */
/* ------------------------------------------------------------------------- */
#if 0
    /* Override Current Time */
    /* Allows custom "custom_time()" function to be used for benchmark */
    #define WOLFSSL_USER_CURRTIME
    #define USER_TICKS
    extern unsigned long custom_time(unsigned long* timer);
    #define XTIME custom_time
#else
    #warning Time/RTC disabled
    #undef  NO_ASN_TIME
    #define NO_ASN_TIME
#endif
 
/* ------------------------------------------------------------------------- */
/* Debugging */
/* ------------------------------------------------------------------------- */
#undef  DEBUG_WOLFSSL
#define DEBUG_WOLFSSL
 
#ifdef DEBUG_WOLFSSL
    /* Use this to measure / print heap usage */
    #if 0
        #undef  USE_WOLFSSL_MEMORY
        #define USE_WOLFSSL_MEMORY
        #undef  WOLFSSL_TRACK_MEMORY
        #define WOLFSSL_TRACK_MEMORY
    #endif
#else
    #undef  NO_WOLFSSL_MEMORY
    #define NO_WOLFSSL_MEMORY
 
    #undef  NO_ERROR_STRINGS
    //#define NO_ERROR_STRINGS
#endif
 
 
/* ------------------------------------------------------------------------- */
/* Enable Features */
/* ------------------------------------------------------------------------- */
#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
 
/* 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_DH
#define NO_DH
 
#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
 
 
/* Suppress array-bounds */
#pragma GCC diagnostic ignored "-Warray-bounds"
 
 
#ifdef __cplusplus
}
#endif
 
#endif /* WOLFSSL_USER_SETTINGS_H */