text: /**
   * \file check_config.h
   *
   * \brief Consistency checks for configuration options
   */
  /*
   *  Copyright (C) 2006-2018, ARM Limited, All Rights Reserved
   *  SPDX-License-Identifier: Apache-2.0
   *
   *  Licensed under the Apache License, Version 2.0 (the "License"); you may
   *  not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *  This file is part of mbed TLS (https://tls.mbed.org)
   */
  
  /*
   * It is recommended to include this file from your config.h
   * in order to catch dependency issues early.
   */
  
  #ifndef MBEDTLS_CHECK_CONFIG_H
  #define MBEDTLS_CHECK_CONFIG_H
  
  /*
   * We assume CHAR_BIT is 8 in many places. In practice, this is true on our
   * target platforms, so not an issue, but let's just be extra sure.
   */
  #include <limits.h>
  #if CHAR_BIT != 8
  #error "mbed TLS requires a platform with 8-bit chars"
  #endif
  
  #if defined(_WIN32)
  #if !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_C is required on Windows"
  #endif
  
  /* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
   * it would confuse config.pl. */
  #if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
      !defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
  #define MBEDTLS_PLATFORM_SNPRINTF_ALT
  #endif
  #endif /* _WIN32 */
  
  #if defined(TARGET_LIKE_MBED) && \
      ( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
  #error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
  #endif
  
  #if defined(MBEDTLS_DEPRECATED_WARNING) && \
      !defined(__GNUC__) && !defined(__clang__)
  #error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
  #endif
  
  #if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
  #error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
  #endif
  
  #if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
  #error "MBEDTLS_AESNI_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
  #error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
  #error "MBEDTLS_DHM_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT) && !defined(MBEDTLS_SSL_TRUNCATED_HMAC)
  #error "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_CMAC_C) && \
      !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
  #error "MBEDTLS_CMAC_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_NIST_KW_C) && \
      ( !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_CIPHER_C) )
  #error "MBEDTLS_NIST_KW_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
  #error "MBEDTLS_ECDH_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECDSA_C) &&            \
      ( !defined(MBEDTLS_ECP_C) ||           \
        !defined(MBEDTLS_ASN1_PARSE_C) ||    \
        !defined(MBEDTLS_ASN1_WRITE_C) )
  #error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECJPAKE_C) &&           \
      ( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
  #error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_RESTARTABLE)           && \
      ( defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT) || \
        defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)     || \
        defined(MBEDTLS_ECDSA_SIGN_ALT)          || \
        defined(MBEDTLS_ECDSA_VERIFY_ALT)        || \
        defined(MBEDTLS_ECDSA_GENKEY_ALT)        || \
        defined(MBEDTLS_ECP_INTERNAL_ALT)        || \
        defined(MBEDTLS_ECP_ALT) )
  #error "MBEDTLS_ECP_RESTARTABLE defined, but it cannot coexist with an alternative ECP implementation"
  #endif
  
  #if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
  #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || (   \
      !defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) &&                  \
      !defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) &&                  \
      !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) &&                  \
      !defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) &&                  \
      !defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) &&                  \
      !defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)   &&                  \
      !defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)   &&                  \
      !defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)   &&                  \
      !defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) &&                  \
      !defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) &&                  \
      !defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) ) )
  #error "MBEDTLS_ECP_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_ASN1_PARSE_C)
  #error "MBEDTLS_PK_PARSE_C defined, but not all prerequesites"
  #endif
  
  #if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) &&      \
                                      !defined(MBEDTLS_SHA256_C))
  #error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
  #endif
  #if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) &&         \
      defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
  #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
  #endif
  #if defined(MBEDTLS_ENTROPY_C) &&                                            \
      ( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
      && defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
  #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
  #endif
  #if defined(MBEDTLS_ENTROPY_C) && \
      defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
  #error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
      ( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
  #error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
  #endif
  #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
       ( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
      defined(MBEDTLS_HAVEGE_C) )
  #error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
  #endif
  
  #if defined(MBEDTLS_GCM_C) && (                                        \
          !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
  #error "MBEDTLS_GCM_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_RANDOMIZE_JAC_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_ADD_MIXED_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_ADD_MIXED_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_DOUBLE_JAC_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_NORMALIZE_JAC_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  #error "MBEDTLS_ECP_NORMALIZE_MXZ_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
  #error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_HKDF_C) && !defined(MBEDTLS_MD_C)
  #error "MBEDTLS_HKDF_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
  #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
      ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
  #error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
      ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
  #error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
  #error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
      !defined(MBEDTLS_ECDH_C)
  #error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
      ( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) ||           \
        !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
  #error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
      ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) ||          \
        !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
  #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
      ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
        !defined(MBEDTLS_X509_CRT_PARSE_C) )
  #error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
      ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
        !defined(MBEDTLS_PKCS1_V15) )
  #error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) &&                       \
      ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
        !defined(MBEDTLS_PKCS1_V15) )
  #error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&                    \
      ( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) ||      \
        !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
  #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) &&                          \
      ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
  #error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
  #error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
  #error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
  #error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PK_C) && \
      ( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
  #error "MBEDTLS_PK_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
  #error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
  #error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
  #error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
          defined(MBEDTLS_PLATFORM_EXIT_ALT) )
  #error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
      ( !defined(MBEDTLS_PLATFORM_C) ||\
          !defined(MBEDTLS_HAVE_TIME) )
  #error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
      ( !defined(MBEDTLS_PLATFORM_C) ||\
          !defined(MBEDTLS_HAVE_TIME) )
  #error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
      ( !defined(MBEDTLS_PLATFORM_C) ||\
          !defined(MBEDTLS_HAVE_TIME) )
  #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
          defined(MBEDTLS_PLATFORM_TIME_ALT) )
  #error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
          defined(MBEDTLS_PLATFORM_TIME_ALT) )
  #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
          defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
  #error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
      ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
  #error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
      defined(MBEDTLS_PLATFORM_STD_FREE)
  #error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
  #error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
      ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
  #error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
      defined(MBEDTLS_PLATFORM_STD_CALLOC)
  #error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
  #error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
          defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
  #error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
          defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
  #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
      !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
  #error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
  #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
  #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
  #error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
      !defined(MBEDTLS_PLATFORM_EXIT_ALT)
  #error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
      ( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
          !defined(MBEDTLS_HAVE_TIME) )
  #error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
      !defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
  #error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
      !defined(MBEDTLS_PLATFORM_PRINTF_ALT)
  #error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
      !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
  #error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
      ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
  #error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
      !defined(MBEDTLS_ENTROPY_NV_SEED)
  #error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
      !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
  #error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
      !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
  #error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
        defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
  #error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
      ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
        defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
  #error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
  #endif
  
  #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
      !defined(MBEDTLS_OID_C) )
  #error "MBEDTLS_RSA_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) &&         \
      !defined(MBEDTLS_PKCS1_V15) )
  #error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
  #endif
  
  #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) &&                        \
      ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
  #error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) ||     \
      !defined(MBEDTLS_SHA1_C) )
  #error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) ||     \
      !defined(MBEDTLS_SHA1_C) )
  #error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) ||     \
      !defined(MBEDTLS_SHA1_C) )
  #error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) &&     \
      !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
  #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_PROTO_DTLS)     && \
      !defined(MBEDTLS_SSL_PROTO_TLS1_1)  && \
      !defined(MBEDTLS_SSL_PROTO_TLS1_2)
  #error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
  #error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) ||     \
      !defined(MBEDTLS_MD_C) )
  #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
  #error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
      !defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
      !defined(MBEDTLS_SSL_PROTO_TLS1_2))
  #error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
  #endif
  
  #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
      defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
  #error "Illegal protocol selection"
  #endif
  
  #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
      defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
  #error "Illegal protocol selection"
  #endif
  
  #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
      defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
      !defined(MBEDTLS_SSL_PROTO_TLS1_1)))
  #error "Illegal protocol selection"
  #endif
  
  #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
  #error "MBEDTLS_SSL_DTLS_HELLO_VERIFY  defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
      !defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
  #error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE  defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) &&                              \
      ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
  #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
      ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
  #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) &&   \
      !defined(MBEDTLS_SSL_PROTO_TLS1)   &&      \
      !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&      \
      !defined(MBEDTLS_SSL_PROTO_TLS1_2)
  #error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
  #endif
  
  #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
      !defined(MBEDTLS_SSL_PROTO_TLS1)   &&          \
      !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&          \
      !defined(MBEDTLS_SSL_PROTO_TLS1_2)
  #error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
  #endif
  
  #if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
  #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
      !defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
  #error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
          !defined(MBEDTLS_X509_CRT_PARSE_C)
  #error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_THREADING_PTHREAD)
  #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
  #error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
  #endif
  #define MBEDTLS_THREADING_IMPL
  #endif
  
  #if defined(MBEDTLS_THREADING_ALT)
  #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
  #error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
  #endif
  #define MBEDTLS_THREADING_IMPL
  #endif
  
  #if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
  #error "MBEDTLS_THREADING_C defined, single threading implementation required"
  #endif
  #undef MBEDTLS_THREADING_IMPL
  
  #if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
  #error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
      !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||      \
      !defined(MBEDTLS_PK_PARSE_C) )
  #error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
      !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||       \
      !defined(MBEDTLS_PK_WRITE_C) )
  #error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
  #error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
  #error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
  #error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
  #error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
  #error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
  #endif
  
  #if defined(MBEDTLS_HAVE_INT32) && defined(MBEDTLS_HAVE_INT64)
  #error "MBEDTLS_HAVE_INT32 and MBEDTLS_HAVE_INT64 cannot be defined simultaneously"
  #endif /* MBEDTLS_HAVE_INT32 && MBEDTLS_HAVE_INT64 */
  
  #if ( defined(MBEDTLS_HAVE_INT32) || defined(MBEDTLS_HAVE_INT64) ) && \
      defined(MBEDTLS_HAVE_ASM)
  #error "MBEDTLS_HAVE_INT32/MBEDTLS_HAVE_INT64 and MBEDTLS_HAVE_ASM cannot be defined simultaneously"
  #endif /* (MBEDTLS_HAVE_INT32 || MBEDTLS_HAVE_INT64) && MBEDTLS_HAVE_ASM */
  
  /*
   * Avoid warning from -pedantic. This is a convenient place for this
   * workaround since this is included by every single file before the
   * #if defined(MBEDTLS_xxx_C) that results in emtpy translation units.
   */
  typedef int mbedtls_iso_c_forbids_empty_translation_units;
  
  #endif /* MBEDTLS_CHECK_CONFIG_H */
  