text: /*
   *  Version feature information
   *
   *  Copyright (C) 2006-2015, 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)
   */
  
  #if !defined(MBEDTLS_CONFIG_FILE)
  #include "mbedtls/config.h"
  #else
  #include MBEDTLS_CONFIG_FILE
  #endif
  
  #if defined(MBEDTLS_VERSION_C)
  
  #include "mbedtls/version.h"
  
  #include <string.h>
  
  static const char * const features[] = {
  #if defined(MBEDTLS_VERSION_FEATURES)
  #if defined(MBEDTLS_HAVE_ASM)
      "MBEDTLS_HAVE_ASM",
  #endif /* MBEDTLS_HAVE_ASM */
  #if defined(MBEDTLS_NO_UDBL_DIVISION)
      "MBEDTLS_NO_UDBL_DIVISION",
  #endif /* MBEDTLS_NO_UDBL_DIVISION */
  #if defined(MBEDTLS_NO_64BIT_MULTIPLICATION)
      "MBEDTLS_NO_64BIT_MULTIPLICATION",
  #endif /* MBEDTLS_NO_64BIT_MULTIPLICATION */
  #if defined(MBEDTLS_HAVE_SSE2)
      "MBEDTLS_HAVE_SSE2",
  #endif /* MBEDTLS_HAVE_SSE2 */
  #if defined(MBEDTLS_HAVE_TIME)
      "MBEDTLS_HAVE_TIME",
  #endif /* MBEDTLS_HAVE_TIME */
  #if defined(MBEDTLS_HAVE_TIME_DATE)
      "MBEDTLS_HAVE_TIME_DATE",
  #endif /* MBEDTLS_HAVE_TIME_DATE */
  #if defined(MBEDTLS_PLATFORM_MEMORY)
      "MBEDTLS_PLATFORM_MEMORY",
  #endif /* MBEDTLS_PLATFORM_MEMORY */
  #if defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
      "MBEDTLS_PLATFORM_NO_STD_FUNCTIONS",
  #endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
  #if defined(MBEDTLS_PLATFORM_EXIT_ALT)
      "MBEDTLS_PLATFORM_EXIT_ALT",
  #endif /* MBEDTLS_PLATFORM_EXIT_ALT */
  #if defined(MBEDTLS_PLATFORM_TIME_ALT)
      "MBEDTLS_PLATFORM_TIME_ALT",
  #endif /* MBEDTLS_PLATFORM_TIME_ALT */
  #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
      "MBEDTLS_PLATFORM_FPRINTF_ALT",
  #endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
  #if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
      "MBEDTLS_PLATFORM_PRINTF_ALT",
  #endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
  #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
      "MBEDTLS_PLATFORM_SNPRINTF_ALT",
  #endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
  #if defined(MBEDTLS_PLATFORM_VSNPRINTF_ALT)
      "MBEDTLS_PLATFORM_VSNPRINTF_ALT",
  #endif /* MBEDTLS_PLATFORM_VSNPRINTF_ALT */
  #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
      "MBEDTLS_PLATFORM_NV_SEED_ALT",
  #endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
  #if defined(MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT)
      "MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT",
  #endif /* MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT */
  #if defined(MBEDTLS_DEPRECATED_WARNING)
      "MBEDTLS_DEPRECATED_WARNING",
  #endif /* MBEDTLS_DEPRECATED_WARNING */
  #if defined(MBEDTLS_DEPRECATED_REMOVED)
      "MBEDTLS_DEPRECATED_REMOVED",
  #endif /* MBEDTLS_DEPRECATED_REMOVED */
  #if defined(MBEDTLS_CHECK_PARAMS)
      "MBEDTLS_CHECK_PARAMS",
  #endif /* MBEDTLS_CHECK_PARAMS */
  #if defined(MBEDTLS_CHECK_PARAMS_ASSERT)
      "MBEDTLS_CHECK_PARAMS_ASSERT",
  #endif /* MBEDTLS_CHECK_PARAMS_ASSERT */
  #if defined(MBEDTLS_TIMING_ALT)
      "MBEDTLS_TIMING_ALT",
  #endif /* MBEDTLS_TIMING_ALT */
  #if defined(MBEDTLS_AES_ALT)
      "MBEDTLS_AES_ALT",
  #endif /* MBEDTLS_AES_ALT */
  #if defined(MBEDTLS_ARC4_ALT)
      "MBEDTLS_ARC4_ALT",
  #endif /* MBEDTLS_ARC4_ALT */
  #if defined(MBEDTLS_ARIA_ALT)
      "MBEDTLS_ARIA_ALT",
  #endif /* MBEDTLS_ARIA_ALT */
  #if defined(MBEDTLS_BLOWFISH_ALT)
      "MBEDTLS_BLOWFISH_ALT",
  #endif /* MBEDTLS_BLOWFISH_ALT */
  #if defined(MBEDTLS_CAMELLIA_ALT)
      "MBEDTLS_CAMELLIA_ALT",
  #endif /* MBEDTLS_CAMELLIA_ALT */
  #if defined(MBEDTLS_CCM_ALT)
      "MBEDTLS_CCM_ALT",
  #endif /* MBEDTLS_CCM_ALT */
  #if defined(MBEDTLS_CHACHA20_ALT)
      "MBEDTLS_CHACHA20_ALT",
  #endif /* MBEDTLS_CHACHA20_ALT */
  #if defined(MBEDTLS_CHACHAPOLY_ALT)
      "MBEDTLS_CHACHAPOLY_ALT",
  #endif /* MBEDTLS_CHACHAPOLY_ALT */
  #if defined(MBEDTLS_CMAC_ALT)
      "MBEDTLS_CMAC_ALT",
  #endif /* MBEDTLS_CMAC_ALT */
  #if defined(MBEDTLS_DES_ALT)
      "MBEDTLS_DES_ALT",
  #endif /* MBEDTLS_DES_ALT */
  #if defined(MBEDTLS_DHM_ALT)
      "MBEDTLS_DHM_ALT",
  #endif /* MBEDTLS_DHM_ALT */
  #if defined(MBEDTLS_ECJPAKE_ALT)
      "MBEDTLS_ECJPAKE_ALT",
  #endif /* MBEDTLS_ECJPAKE_ALT */
  #if defined(MBEDTLS_GCM_ALT)
      "MBEDTLS_GCM_ALT",
  #endif /* MBEDTLS_GCM_ALT */
  #if defined(MBEDTLS_NIST_KW_ALT)
      "MBEDTLS_NIST_KW_ALT",
  #endif /* MBEDTLS_NIST_KW_ALT */
  #if defined(MBEDTLS_MD2_ALT)
      "MBEDTLS_MD2_ALT",
  #endif /* MBEDTLS_MD2_ALT */
  #if defined(MBEDTLS_MD4_ALT)
      "MBEDTLS_MD4_ALT",
  #endif /* MBEDTLS_MD4_ALT */
  #if defined(MBEDTLS_MD5_ALT)
      "MBEDTLS_MD5_ALT",
  #endif /* MBEDTLS_MD5_ALT */
  #if defined(MBEDTLS_POLY1305_ALT)
      "MBEDTLS_POLY1305_ALT",
  #endif /* MBEDTLS_POLY1305_ALT */
  #if defined(MBEDTLS_RIPEMD160_ALT)
      "MBEDTLS_RIPEMD160_ALT",
  #endif /* MBEDTLS_RIPEMD160_ALT */
  #if defined(MBEDTLS_RSA_ALT)
      "MBEDTLS_RSA_ALT",
  #endif /* MBEDTLS_RSA_ALT */
  #if defined(MBEDTLS_SHA1_ALT)
      "MBEDTLS_SHA1_ALT",
  #endif /* MBEDTLS_SHA1_ALT */
  #if defined(MBEDTLS_SHA256_ALT)
      "MBEDTLS_SHA256_ALT",
  #endif /* MBEDTLS_SHA256_ALT */
  #if defined(MBEDTLS_SHA512_ALT)
      "MBEDTLS_SHA512_ALT",
  #endif /* MBEDTLS_SHA512_ALT */
  #if defined(MBEDTLS_XTEA_ALT)
      "MBEDTLS_XTEA_ALT",
  #endif /* MBEDTLS_XTEA_ALT */
  #if defined(MBEDTLS_ECP_ALT)
      "MBEDTLS_ECP_ALT",
  #endif /* MBEDTLS_ECP_ALT */
  #if defined(MBEDTLS_MD2_PROCESS_ALT)
      "MBEDTLS_MD2_PROCESS_ALT",
  #endif /* MBEDTLS_MD2_PROCESS_ALT */
  #if defined(MBEDTLS_MD4_PROCESS_ALT)
      "MBEDTLS_MD4_PROCESS_ALT",
  #endif /* MBEDTLS_MD4_PROCESS_ALT */
  #if defined(MBEDTLS_MD5_PROCESS_ALT)
      "MBEDTLS_MD5_PROCESS_ALT",
  #endif /* MBEDTLS_MD5_PROCESS_ALT */
  #if defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
      "MBEDTLS_RIPEMD160_PROCESS_ALT",
  #endif /* MBEDTLS_RIPEMD160_PROCESS_ALT */
  #if defined(MBEDTLS_SHA1_PROCESS_ALT)
      "MBEDTLS_SHA1_PROCESS_ALT",
  #endif /* MBEDTLS_SHA1_PROCESS_ALT */
  #if defined(MBEDTLS_SHA256_PROCESS_ALT)
      "MBEDTLS_SHA256_PROCESS_ALT",
  #endif /* MBEDTLS_SHA256_PROCESS_ALT */
  #if defined(MBEDTLS_SHA512_PROCESS_ALT)
      "MBEDTLS_SHA512_PROCESS_ALT",
  #endif /* MBEDTLS_SHA512_PROCESS_ALT */
  #if defined(MBEDTLS_DES_SETKEY_ALT)
      "MBEDTLS_DES_SETKEY_ALT",
  #endif /* MBEDTLS_DES_SETKEY_ALT */
  #if defined(MBEDTLS_DES_CRYPT_ECB_ALT)
      "MBEDTLS_DES_CRYPT_ECB_ALT",
  #endif /* MBEDTLS_DES_CRYPT_ECB_ALT */
  #if defined(MBEDTLS_DES3_CRYPT_ECB_ALT)
      "MBEDTLS_DES3_CRYPT_ECB_ALT",
  #endif /* MBEDTLS_DES3_CRYPT_ECB_ALT */
  #if defined(MBEDTLS_AES_SETKEY_ENC_ALT)
      "MBEDTLS_AES_SETKEY_ENC_ALT",
  #endif /* MBEDTLS_AES_SETKEY_ENC_ALT */
  #if defined(MBEDTLS_AES_SETKEY_DEC_ALT)
      "MBEDTLS_AES_SETKEY_DEC_ALT",
  #endif /* MBEDTLS_AES_SETKEY_DEC_ALT */
  #if defined(MBEDTLS_AES_ENCRYPT_ALT)
      "MBEDTLS_AES_ENCRYPT_ALT",
  #endif /* MBEDTLS_AES_ENCRYPT_ALT */
  #if defined(MBEDTLS_AES_DECRYPT_ALT)
      "MBEDTLS_AES_DECRYPT_ALT",
  #endif /* MBEDTLS_AES_DECRYPT_ALT */
  #if defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)
      "MBEDTLS_ECDH_GEN_PUBLIC_ALT",
  #endif /* MBEDTLS_ECDH_GEN_PUBLIC_ALT */
  #if defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT)
      "MBEDTLS_ECDH_COMPUTE_SHARED_ALT",
  #endif /* MBEDTLS_ECDH_COMPUTE_SHARED_ALT */
  #if defined(MBEDTLS_ECDSA_VERIFY_ALT)
      "MBEDTLS_ECDSA_VERIFY_ALT",
  #endif /* MBEDTLS_ECDSA_VERIFY_ALT */
  #if defined(MBEDTLS_ECDSA_SIGN_ALT)
      "MBEDTLS_ECDSA_SIGN_ALT",
  #endif /* MBEDTLS_ECDSA_SIGN_ALT */
  #if defined(MBEDTLS_ECDSA_GENKEY_ALT)
      "MBEDTLS_ECDSA_GENKEY_ALT",
  #endif /* MBEDTLS_ECDSA_GENKEY_ALT */
  #if defined(MBEDTLS_ECP_INTERNAL_ALT)
      "MBEDTLS_ECP_INTERNAL_ALT",
  #endif /* MBEDTLS_ECP_INTERNAL_ALT */
  #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT)
      "MBEDTLS_ECP_RANDOMIZE_JAC_ALT",
  #endif /* MBEDTLS_ECP_RANDOMIZE_JAC_ALT */
  #if defined(MBEDTLS_ECP_ADD_MIXED_ALT)
      "MBEDTLS_ECP_ADD_MIXED_ALT",
  #endif /* MBEDTLS_ECP_ADD_MIXED_ALT */
  #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT)
      "MBEDTLS_ECP_DOUBLE_JAC_ALT",
  #endif /* MBEDTLS_ECP_DOUBLE_JAC_ALT */
  #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT)
      "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT",
  #endif /* MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT */
  #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT)
      "MBEDTLS_ECP_NORMALIZE_JAC_ALT",
  #endif /* MBEDTLS_ECP_NORMALIZE_JAC_ALT */
  #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT)
      "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT",
  #endif /* MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT */
  #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT)
      "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT",
  #endif /* MBEDTLS_ECP_RANDOMIZE_MXZ_ALT */
  #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT)
      "MBEDTLS_ECP_NORMALIZE_MXZ_ALT",
  #endif /* MBEDTLS_ECP_NORMALIZE_MXZ_ALT */
  #if defined(MBEDTLS_TEST_NULL_ENTROPY)
      "MBEDTLS_TEST_NULL_ENTROPY",
  #endif /* MBEDTLS_TEST_NULL_ENTROPY */
  #if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
      "MBEDTLS_ENTROPY_HARDWARE_ALT",
  #endif /* MBEDTLS_ENTROPY_HARDWARE_ALT */
  #if defined(MBEDTLS_AES_ROM_TABLES)
      "MBEDTLS_AES_ROM_TABLES",
  #endif /* MBEDTLS_AES_ROM_TABLES */
  #if defined(MBEDTLS_AES_FEWER_TABLES)
      "MBEDTLS_AES_FEWER_TABLES",
  #endif /* MBEDTLS_AES_FEWER_TABLES */
  #if defined(MBEDTLS_CAMELLIA_SMALL_MEMORY)
      "MBEDTLS_CAMELLIA_SMALL_MEMORY",
  #endif /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
  #if defined(MBEDTLS_CIPHER_MODE_CBC)
      "MBEDTLS_CIPHER_MODE_CBC",
  #endif /* MBEDTLS_CIPHER_MODE_CBC */
  #if defined(MBEDTLS_CIPHER_MODE_CFB)
      "MBEDTLS_CIPHER_MODE_CFB",
  #endif /* MBEDTLS_CIPHER_MODE_CFB */
  #if defined(MBEDTLS_CIPHER_MODE_CTR)
      "MBEDTLS_CIPHER_MODE_CTR",
  #endif /* MBEDTLS_CIPHER_MODE_CTR */
  #if defined(MBEDTLS_CIPHER_MODE_OFB)
      "MBEDTLS_CIPHER_MODE_OFB",
  #endif /* MBEDTLS_CIPHER_MODE_OFB */
  #if defined(MBEDTLS_CIPHER_MODE_XTS)
      "MBEDTLS_CIPHER_MODE_XTS",
  #endif /* MBEDTLS_CIPHER_MODE_XTS */
  #if defined(MBEDTLS_CIPHER_NULL_CIPHER)
      "MBEDTLS_CIPHER_NULL_CIPHER",
  #endif /* MBEDTLS_CIPHER_NULL_CIPHER */
  #if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
      "MBEDTLS_CIPHER_PADDING_PKCS7",
  #endif /* MBEDTLS_CIPHER_PADDING_PKCS7 */
  #if defined(MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS)
      "MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS",
  #endif /* MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS */
  #if defined(MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN)
      "MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN",
  #endif /* MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN */
  #if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
      "MBEDTLS_CIPHER_PADDING_ZEROS",
  #endif /* MBEDTLS_CIPHER_PADDING_ZEROS */
  #if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
      "MBEDTLS_ECP_DP_SECP192R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP192R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED)
      "MBEDTLS_ECP_DP_SECP224R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP224R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
      "MBEDTLS_ECP_DP_SECP256R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP256R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
      "MBEDTLS_ECP_DP_SECP384R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP384R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
      "MBEDTLS_ECP_DP_SECP521R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP521R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED)
      "MBEDTLS_ECP_DP_SECP192K1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP192K1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
      "MBEDTLS_ECP_DP_SECP224K1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP224K1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
      "MBEDTLS_ECP_DP_SECP256K1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_SECP256K1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)
      "MBEDTLS_ECP_DP_BP256R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_BP256R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)
      "MBEDTLS_ECP_DP_BP384R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_BP384R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)
      "MBEDTLS_ECP_DP_BP512R1_ENABLED",
  #endif /* MBEDTLS_ECP_DP_BP512R1_ENABLED */
  #if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
      "MBEDTLS_ECP_DP_CURVE25519_ENABLED",
  #endif /* MBEDTLS_ECP_DP_CURVE25519_ENABLED */
  #if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
      "MBEDTLS_ECP_DP_CURVE448_ENABLED",
  #endif /* MBEDTLS_ECP_DP_CURVE448_ENABLED */
  #if defined(MBEDTLS_ECP_NIST_OPTIM)
      "MBEDTLS_ECP_NIST_OPTIM",
  #endif /* MBEDTLS_ECP_NIST_OPTIM */
  #if defined(MBEDTLS_ECP_RESTARTABLE)
      "MBEDTLS_ECP_RESTARTABLE",
  #endif /* MBEDTLS_ECP_RESTARTABLE */
  #if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
      "MBEDTLS_ECDH_LEGACY_CONTEXT",
  #endif /* MBEDTLS_ECDH_LEGACY_CONTEXT */
  #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
      "MBEDTLS_ECDSA_DETERMINISTIC",
  #endif /* MBEDTLS_ECDSA_DETERMINISTIC */
  #if defined(MBEDTLS_PK_PARSE_EC_EXTENDED)
      "MBEDTLS_PK_PARSE_EC_EXTENDED",
  #endif /* MBEDTLS_PK_PARSE_EC_EXTENDED */
  #if defined(MBEDTLS_ERROR_STRERROR_DUMMY)
      "MBEDTLS_ERROR_STRERROR_DUMMY",
  #endif /* MBEDTLS_ERROR_STRERROR_DUMMY */
  #if defined(MBEDTLS_GENPRIME)
      "MBEDTLS_GENPRIME",
  #endif /* MBEDTLS_GENPRIME */
  #if defined(MBEDTLS_FS_IO)
      "MBEDTLS_FS_IO",
  #endif /* MBEDTLS_FS_IO */
  #if defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
      "MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES",
  #endif /* MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES */
  #if defined(MBEDTLS_NO_PLATFORM_ENTROPY)
      "MBEDTLS_NO_PLATFORM_ENTROPY",
  #endif /* MBEDTLS_NO_PLATFORM_ENTROPY */
  #if defined(MBEDTLS_ENTROPY_FORCE_SHA256)
      "MBEDTLS_ENTROPY_FORCE_SHA256",
  #endif /* MBEDTLS_ENTROPY_FORCE_SHA256 */
  #if defined(MBEDTLS_ENTROPY_NV_SEED)
      "MBEDTLS_ENTROPY_NV_SEED",
  #endif /* MBEDTLS_ENTROPY_NV_SEED */
  #if defined(MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER)
      "MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER",
  #endif /* MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER */
  #if defined(MBEDTLS_MEMORY_DEBUG)
      "MBEDTLS_MEMORY_DEBUG",
  #endif /* MBEDTLS_MEMORY_DEBUG */
  #if defined(MBEDTLS_MEMORY_BACKTRACE)
      "MBEDTLS_MEMORY_BACKTRACE",
  #endif /* MBEDTLS_MEMORY_BACKTRACE */
  #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
      "MBEDTLS_PK_RSA_ALT_SUPPORT",
  #endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
  #if defined(MBEDTLS_PKCS1_V15)
      "MBEDTLS_PKCS1_V15",
  #endif /* MBEDTLS_PKCS1_V15 */
  #if defined(MBEDTLS_PKCS1_V21)
      "MBEDTLS_PKCS1_V21",
  #endif /* MBEDTLS_PKCS1_V21 */
  #if defined(MBEDTLS_PSA_CRYPTO_SPM)
      "MBEDTLS_PSA_CRYPTO_SPM",
  #endif /* MBEDTLS_PSA_CRYPTO_SPM */
  #if defined(MBEDTLS_PSA_INJECT_ENTROPY)
      "MBEDTLS_PSA_INJECT_ENTROPY",
  #endif /* MBEDTLS_PSA_INJECT_ENTROPY */
  #if defined(MBEDTLS_RSA_NO_CRT)
      "MBEDTLS_RSA_NO_CRT",
  #endif /* MBEDTLS_RSA_NO_CRT */
  #if defined(MBEDTLS_SELF_TEST)
      "MBEDTLS_SELF_TEST",
  #endif /* MBEDTLS_SELF_TEST */
  #if defined(MBEDTLS_SHA256_SMALLER)
      "MBEDTLS_SHA256_SMALLER",
  #endif /* MBEDTLS_SHA256_SMALLER */
  #if defined(MBEDTLS_THREADING_ALT)
      "MBEDTLS_THREADING_ALT",
  #endif /* MBEDTLS_THREADING_ALT */
  #if defined(MBEDTLS_THREADING_PTHREAD)
      "MBEDTLS_THREADING_PTHREAD",
  #endif /* MBEDTLS_THREADING_PTHREAD */
  #if defined(MBEDTLS_USE_PSA_CRYPTO)
      "MBEDTLS_USE_PSA_CRYPTO",
  #endif /* MBEDTLS_USE_PSA_CRYPTO */
  #if defined(MBEDTLS_VERSION_FEATURES)
      "MBEDTLS_VERSION_FEATURES",
  #endif /* MBEDTLS_VERSION_FEATURES */
  #if defined(MBEDTLS_AESNI_C)
      "MBEDTLS_AESNI_C",
  #endif /* MBEDTLS_AESNI_C */
  #if defined(MBEDTLS_AES_C)
      "MBEDTLS_AES_C",
  #endif /* MBEDTLS_AES_C */
  #if defined(MBEDTLS_ARC4_C)
      "MBEDTLS_ARC4_C",
  #endif /* MBEDTLS_ARC4_C */
  #if defined(MBEDTLS_ASN1_PARSE_C)
      "MBEDTLS_ASN1_PARSE_C",
  #endif /* MBEDTLS_ASN1_PARSE_C */
  #if defined(MBEDTLS_ASN1_WRITE_C)
      "MBEDTLS_ASN1_WRITE_C",
  #endif /* MBEDTLS_ASN1_WRITE_C */
  #if defined(MBEDTLS_BASE64_C)
      "MBEDTLS_BASE64_C",
  #endif /* MBEDTLS_BASE64_C */
  #if defined(MBEDTLS_BIGNUM_C)
      "MBEDTLS_BIGNUM_C",
  #endif /* MBEDTLS_BIGNUM_C */
  #if defined(MBEDTLS_BLOWFISH_C)
      "MBEDTLS_BLOWFISH_C",
  #endif /* MBEDTLS_BLOWFISH_C */
  #if defined(MBEDTLS_CAMELLIA_C)
      "MBEDTLS_CAMELLIA_C",
  #endif /* MBEDTLS_CAMELLIA_C */
  #if defined(MBEDTLS_ARIA_C)
      "MBEDTLS_ARIA_C",
  #endif /* MBEDTLS_ARIA_C */
  #if defined(MBEDTLS_CCM_C)
      "MBEDTLS_CCM_C",
  #endif /* MBEDTLS_CCM_C */
  #if defined(MBEDTLS_CHACHA20_C)
      "MBEDTLS_CHACHA20_C",
  #endif /* MBEDTLS_CHACHA20_C */
  #if defined(MBEDTLS_CHACHAPOLY_C)
      "MBEDTLS_CHACHAPOLY_C",
  #endif /* MBEDTLS_CHACHAPOLY_C */
  #if defined(MBEDTLS_CIPHER_C)
      "MBEDTLS_CIPHER_C",
  #endif /* MBEDTLS_CIPHER_C */
  #if defined(MBEDTLS_CMAC_C)
      "MBEDTLS_CMAC_C",
  #endif /* MBEDTLS_CMAC_C */
  #if defined(MBEDTLS_CTR_DRBG_C)
      "MBEDTLS_CTR_DRBG_C",
  #endif /* MBEDTLS_CTR_DRBG_C */
  #if defined(MBEDTLS_DES_C)
      "MBEDTLS_DES_C",
  #endif /* MBEDTLS_DES_C */
  #if defined(MBEDTLS_DHM_C)
      "MBEDTLS_DHM_C",
  #endif /* MBEDTLS_DHM_C */
  #if defined(MBEDTLS_ECDH_C)
      "MBEDTLS_ECDH_C",
  #endif /* MBEDTLS_ECDH_C */
  #if defined(MBEDTLS_ECDSA_C)
      "MBEDTLS_ECDSA_C",
  #endif /* MBEDTLS_ECDSA_C */
  #if defined(MBEDTLS_ECJPAKE_C)
      "MBEDTLS_ECJPAKE_C",
  #endif /* MBEDTLS_ECJPAKE_C */
  #if defined(MBEDTLS_ECP_C)
      "MBEDTLS_ECP_C",
  #endif /* MBEDTLS_ECP_C */
  #if defined(MBEDTLS_ENTROPY_C)
      "MBEDTLS_ENTROPY_C",
  #endif /* MBEDTLS_ENTROPY_C */
  #if defined(MBEDTLS_ERROR_C)
      "MBEDTLS_ERROR_C",
  #endif /* MBEDTLS_ERROR_C */
  #if defined(MBEDTLS_GCM_C)
      "MBEDTLS_GCM_C",
  #endif /* MBEDTLS_GCM_C */
  #if defined(MBEDTLS_HAVEGE_C)
      "MBEDTLS_HAVEGE_C",
  #endif /* MBEDTLS_HAVEGE_C */
  #if defined(MBEDTLS_HKDF_C)
      "MBEDTLS_HKDF_C",
  #endif /* MBEDTLS_HKDF_C */
  #if defined(MBEDTLS_HMAC_DRBG_C)
      "MBEDTLS_HMAC_DRBG_C",
  #endif /* MBEDTLS_HMAC_DRBG_C */
  #if defined(MBEDTLS_NIST_KW_C)
      "MBEDTLS_NIST_KW_C",
  #endif /* MBEDTLS_NIST_KW_C */
  #if defined(MBEDTLS_MD_C)
      "MBEDTLS_MD_C",
  #endif /* MBEDTLS_MD_C */
  #if defined(MBEDTLS_MD2_C)
      "MBEDTLS_MD2_C",
  #endif /* MBEDTLS_MD2_C */
  #if defined(MBEDTLS_MD4_C)
      "MBEDTLS_MD4_C",
  #endif /* MBEDTLS_MD4_C */
  #if defined(MBEDTLS_MD5_C)
      "MBEDTLS_MD5_C",
  #endif /* MBEDTLS_MD5_C */
  #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
      "MBEDTLS_MEMORY_BUFFER_ALLOC_C",
  #endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
  #if defined(MBEDTLS_OID_C)
      "MBEDTLS_OID_C",
  #endif /* MBEDTLS_OID_C */
  #if defined(MBEDTLS_PADLOCK_C)
      "MBEDTLS_PADLOCK_C",
  #endif /* MBEDTLS_PADLOCK_C */
  #if defined(MBEDTLS_PEM_PARSE_C)
      "MBEDTLS_PEM_PARSE_C",
  #endif /* MBEDTLS_PEM_PARSE_C */
  #if defined(MBEDTLS_PEM_WRITE_C)
      "MBEDTLS_PEM_WRITE_C",
  #endif /* MBEDTLS_PEM_WRITE_C */
  #if defined(MBEDTLS_PK_C)
      "MBEDTLS_PK_C",
  #endif /* MBEDTLS_PK_C */
  #if defined(MBEDTLS_PK_PARSE_C)
      "MBEDTLS_PK_PARSE_C",
  #endif /* MBEDTLS_PK_PARSE_C */
  #if defined(MBEDTLS_PK_WRITE_C)
      "MBEDTLS_PK_WRITE_C",
  #endif /* MBEDTLS_PK_WRITE_C */
  #if defined(MBEDTLS_PKCS5_C)
      "MBEDTLS_PKCS5_C",
  #endif /* MBEDTLS_PKCS5_C */
  #if defined(MBEDTLS_PKCS12_C)
      "MBEDTLS_PKCS12_C",
  #endif /* MBEDTLS_PKCS12_C */
  #if defined(MBEDTLS_PLATFORM_C)
      "MBEDTLS_PLATFORM_C",
  #endif /* MBEDTLS_PLATFORM_C */
  #if defined(MBEDTLS_POLY1305_C)
      "MBEDTLS_POLY1305_C",
  #endif /* MBEDTLS_POLY1305_C */
  #if defined(MBEDTLS_PSA_CRYPTO_C)
      "MBEDTLS_PSA_CRYPTO_C",
  #endif /* MBEDTLS_PSA_CRYPTO_C */
  #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
      "MBEDTLS_PSA_CRYPTO_SE_C",
  #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
  #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
      "MBEDTLS_PSA_CRYPTO_STORAGE_C",
  #endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
  #if defined(MBEDTLS_PSA_ITS_FILE_C)
      "MBEDTLS_PSA_ITS_FILE_C",
  #endif /* MBEDTLS_PSA_ITS_FILE_C */
  #if defined(MBEDTLS_RIPEMD160_C)
      "MBEDTLS_RIPEMD160_C",
  #endif /* MBEDTLS_RIPEMD160_C */
  #if defined(MBEDTLS_RSA_C)
      "MBEDTLS_RSA_C",
  #endif /* MBEDTLS_RSA_C */
  #if defined(MBEDTLS_SHA1_C)
      "MBEDTLS_SHA1_C",
  #endif /* MBEDTLS_SHA1_C */
  #if defined(MBEDTLS_SHA256_C)
      "MBEDTLS_SHA256_C",
  #endif /* MBEDTLS_SHA256_C */
  #if defined(MBEDTLS_SHA512_C)
      "MBEDTLS_SHA512_C",
  #endif /* MBEDTLS_SHA512_C */
  #if defined(MBEDTLS_THREADING_C)
      "MBEDTLS_THREADING_C",
  #endif /* MBEDTLS_THREADING_C */
  #if defined(MBEDTLS_TIMING_C)
      "MBEDTLS_TIMING_C",
  #endif /* MBEDTLS_TIMING_C */
  #if defined(MBEDTLS_VERSION_C)
      "MBEDTLS_VERSION_C",
  #endif /* MBEDTLS_VERSION_C */
  #if defined(MBEDTLS_XTEA_C)
      "MBEDTLS_XTEA_C",
  #endif /* MBEDTLS_XTEA_C */
  #endif /* MBEDTLS_VERSION_FEATURES */
      NULL
  };
  
  int mbedtls_version_check_feature( const char *feature )
  {
      const char * const *idx = features;
  
      if( *idx == NULL )
          return( -2 );
  
      if( feature == NULL )
          return( -1 );
  
      while( *idx != NULL )
      {
          if( !strcmp( *idx, feature ) )
              return( 0 );
          idx++;
      }
      return( -1 );
  }
  
  #endif /* MBEDTLS_VERSION_C */
  