text: /*
   * Minimal configuration for DTLS 1.2 with Raw Public Key and AES-CCM ciphersuites
   * See README.txt for usage instructions.
   */
  #ifndef MBEDTLS_CONFIG_H
  #define MBEDTLS_CONFIG_H
  
  /* System support */
  //#define MBEDTLS_HAVE_TIME /* Optionally used in Hello messages */
  /* Other MBEDTLS_HAVE_XXX flags irrelevant for this configuration */
  
  #define MBEDTLS_HAVE_ASM
  #define MBEDTLS_HAVE_TIME
  #define MBEDTLS_HAVE_TIME_DATE
  #define MBEDTLS_DEPRECATED_REMOVED
  
  /* mbed TLS feature support */
  
  // TODO maybe MBEDTLS_AES_ALT and use OpenSSL from node?
  
  #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
  #define MBEDTLS_ECP_NIST_OPTIM
  #define MBEDTLS_ECDSA_DETERMINISTIC
  
  #define MBEDTLS_SSL_PROTO_TLS1_2
  #define MBEDTLS_SSL_PROTO_DTLS
  
  #define MBEDTLS_SSL_DTLS_ANTI_REPLAY
  #define MBEDTLS_SSL_DTLS_HELLO_VERIFY
  #define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
  #define MBEDTLS_SSL_DTLS_BADMAC_LIMIT
  #define MBEDTLS_SSL_DTLS_HANDSHAKE_QUEUE
  
  #define MBEDTLS_SSL_RAW_PUBLIC_KEY_SUPPORT
  
  /* mbed TLS modules */
  #define MBEDTLS_HMAC_DRBG_C
  #define MBEDTLS_AES_C
  #define MBEDTLS_CCM_C
  #define MBEDTLS_CIPHER_C
  #define MBEDTLS_CTR_DRBG_C
  #define MBEDTLS_ENTROPY_C
  #define MBEDTLS_MD_C
  #define MBEDTLS_SHA256_C
  #define MBEDTLS_SSL_CLI_C
  #define MBEDTLS_SSL_TLS_C
  #define MBEDTLS_AESNI_C
  #define MBEDTLS_BIGNUM_C
  #define MBEDTLS_ECDH_C
  #define MBEDTLS_ECDSA_C
  #define MBEDTLS_ECP_C
  #define MBEDTLS_ASN1_PARSE_C
  #define MBEDTLS_ASN1_WRITE_C
  #define MBEDTLS_SSL_COOKIE_C
  #define MBEDTLS_TIMING_C
  #define MBEDTLS_OID_C
  #define MBEDTLS_PK_C
  #define MBEDTLS_PK_PARSE_C
  #define MBEDTLS_PK_WRITE_C
  #define MBEDTLS_X509_USE_C
  #define MBEDTLS_X509_CRT_PARSE_C
  
  #define MBEDTLS_PEM_PARSE_C
  #define MBEDTLS_PEM_WRITE_C
  #define MBEDTLS_BASE64_C
  
  #define MBEDTLS_DEBUG_C
  #define MBEDTLS_ERROR_C
  
  /* Save RAM at the expense of ROM */
  #define MBEDTLS_AES_ROM_TABLES
  
  /*
   * You should adjust this to the exact number of sources you're using: default
   * is the "platform_entropy_poll" source, but you may want to add other ones
   * Minimum is 2 for the entropy test suite.
   */
  #define MBEDTLS_ENTROPY_MAX_SOURCES 2
  
  /*
   * Use only CCM_8 ciphersuites, and
   * save ROM and a few bytes of RAM by specifying our own ciphersuite list
   */
  #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
  #define MBEDTLS_SSL_CIPHERSUITES                        \
          MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
  
  /*
   * Save RAM at the expense of interoperability: do this only if you control
   * both ends of the connection!  (See comments in "mbedtls/ssl.h".)
   * The optimal size here depends on the typical size of records.
   */
  #define MBEDTLS_SSL_MAX_CONTENT_LEN             768
  
  #include "mbedtls/check_config.h"
  
  #endif /* MBEDTLS_CONFIG_H */
  