/**
 * \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) && !defined(RIOTBUILD)
#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

#if !defined(MBEDTLS_PLATFORM_VSNPRINTF_ALT) && \
    !defined(MBEDTLS_PLATFORM_VSNPRINTF_MACRO)
#define MBEDTLS_PLATFORM_VSNPRINTF_ALT
#endif
#endif /* _WIN32 */

#if defined(TARGET_LIKE_MBED) && defined(MBEDTLS_TIMING_C)
#error "The TIMING module is not available for mbed OS - please use the 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_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(RIOTBUILD)
#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
#else
#if defined(MBEDTLS_ECDSA_C) &&            \
    ( !defined(MBEDTLS_ECP_C) )
#error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
#endif
#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_USE_PSA_CRYPTO)          || \
      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 or PSA-based ECP implementation"
#endif

#if defined(MBEDTLS_ECP_RESTARTABLE)           && \
    ! defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
#error "MBEDTLS_ECP_RESTARTABLE defined, but not MBEDTLS_ECDH_LEGACY_CONTEXT"
#endif

#if defined(MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED)           && \
    defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
#error "MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED defined, but MBEDTLS_ECDH_LEGACY_CONTEXT not disabled"
#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) &&                  \
    !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) &&                 \
    !defined(MBEDTLS_ECP_DP_CURVE448_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) && !defined(MBEDTLS_ARIA_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_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_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_PSA_CRYPTO_C) &&            \
    !( defined(MBEDTLS_CTR_DRBG_C) &&           \
       defined(MBEDTLS_ENTROPY_C) )
#error "MBEDTLS_PSA_CRYPTO_C defined, but not all prerequisites"
#endif

#if defined(MBEDTLS_PSA_CRYPTO_SPM) && !defined(MBEDTLS_PSA_CRYPTO_C)
#error "MBEDTLS_PSA_CRYPTO_SPM defined, but not all prerequisites"
#endif

#if defined(MBEDTLS_PSA_CRYPTO_SE_C) &&    \
    ! ( defined(MBEDTLS_PSA_CRYPTO_C) && \
        defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) )
#error "MBEDTLS_PSA_CRYPTO_SE_C defined, but not all prerequisites"
#endif

#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) &&            \
    ! defined(MBEDTLS_PSA_CRYPTO_C)
#error "MBEDTLS_PSA_CRYPTO_STORAGE_C defined, but not all prerequisites"
#endif

#if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&      \
    !( defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) && \
       defined(MBEDTLS_ENTROPY_NV_SEED) )
#error "MBEDTLS_PSA_INJECT_ENTROPY defined, but not all prerequisites"
#endif

#if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&              \
    !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
#error "MBEDTLS_PSA_INJECT_ENTROPY is not compatible with actual entropy sources"
#endif

#if defined(MBEDTLS_PSA_ITS_FILE_C) && \
    !defined(MBEDTLS_FS_IO)
#error "MBEDTLS_PSA_ITS_FILE_C defined, but not all prerequisites"
#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_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_USE_PSA_CRYPTO) && !defined(MBEDTLS_PSA_CRYPTO_C)
#error "MBEDTLS_USE_PSA_CRYPTO defined, but not all prerequisites"
#endif

#if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
#error "MBEDTLS_VERSION_FEATURES 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 empty translation units.
 */
typedef int mbedtls_iso_c_forbids_empty_translation_units;

#endif /* MBEDTLS_CHECK_CONFIG_H */
