text: /*
   * Copyright (c) 2019, Arm Limited and affiliates.
   * 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.
   */
  
  #ifndef MBEDTLS_WISUN_CONFIG_H_
  #define MBEDTLS_WISUN_CONFIG_H_
  
  #define MBEDTLS_ENTROPY_MAX_SOURCES 4       // save 320 bytes of RAM (default is 20 entropy source)
  #define MBEDTLS_SSL_MAX_CONTENT_LEN 4096    // Use 4kB buffers for input and output instead of 16kB
  
  //#define MBEDTLS_DEBUG_C
  
  /* mbed TLS feature support */
  #define MBEDTLS_ECP_NIST_OPTIM
  #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
  #undef MBEDTLS_ECP_DP_SECP192R1_ENABLED
  #undef MBEDTLS_ECP_DP_SECP224R1_ENABLED
  #undef MBEDTLS_ECP_DP_SECP384R1_ENABLED
  #undef MBEDTLS_ECP_DP_SECP521R1_ENABLED
  #undef MBEDTLS_ECP_DP_SECP192K1_ENABLED
  #undef MBEDTLS_ECP_DP_SECP224K1_ENABLED
  #undef MBEDTLS_ECP_DP_SECP256K1_ENABLED
  #undef MBEDTLS_ECP_DP_BP256R1_ENABLED
  #undef MBEDTLS_ECP_DP_BP384R1_ENABLED
  #undef MBEDTLS_ECP_DP_BP512R1_ENABLED
  #undef MBEDTLS_ECP_DP_CURVE25519_ENABLED
  
  #ifdef MBEDTLS_SSL_TLS_C
  #define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
  #define MBEDTLS_SSL_PROTO_TLS1_2
  #define MBEDTLS_SSL_EXPORT_KEYS
  #define MBEDTLS_SSL_ALL_ALERT_MESSAGES
  #endif
  
  /* mbed TLS modules */
  #define MBEDTLS_BIGNUM_C
  #define MBEDTLS_CIPHER_C
  #define MBEDTLS_AES_C
  #define MBEDTLS_CCM_C
  #define MBEDTLS_CTR_DRBG_C
  #define MBEDTLS_ECP_C
  #define MBEDTLS_MD_C
  #define MBEDTLS_PK_C
  #define MBEDTLS_SHA256_C
  #ifdef MBEDTLS_SSL_TLS_C
  #define MBEDTLS_SSL_COOKIE_C
  #define MBEDTLS_SSL_CLI_C
  #define MBEDTLS_SSL_SRV_C
  #endif
  #define MBEDTLS_NIST_KW_C
  #define MBEDTLS_PEM_PARSE_C
  #define MBEDTLS_BASE64_C
  #define MBEDTLS_SHA1_C
  
  /* Save RAM at the expense of ROM */
  #define MBEDTLS_AES_ROM_TABLES
  #define MBEDTLS_AES_FEWER_TABLES
  
  /* Save RAM by adjusting to our exact needs */
  #define MBEDTLS_ECP_MAX_BITS             256
  #undef MBEDTLS_MPI_MAX_SIZE
  #define MBEDTLS_MPI_MAX_SIZE              128 // 256 bits is 32 bytes
  
  /* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
  #define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
  
  /* Optimization. Remove all not needed stuff */
  #define MBEDTLS_X509_USE_C
  #define MBEDTLS_X509_CRT_PARSE_C
  #undef MBEDTLS_SSL_SERVER_NAME_INDICATION
  #undef MBEDTLS_SELF_TEST
  #undef MBEDTLS_SSL_ENCRYPT_THEN_MAC
  #undef MBEDTLS_SSL_EXTENDED_MASTER_SECRET
  #define MBEDTLS_ASN1_PARSE_C
  #define MBEDTLS_ASN1_WRITE_C
  #define MBEDTLS_ECDH_C
  #define MBEDTLS_ECDSA_C
  #undef MBEDTLS_ERROR_C
  #define MBEDTLS_GCM_C
  #define MBEDTLS_OID_C
  #define MBEDTLS_PK_PARSE_C
  #define MBEDTLS_PK_WRITE_C
  #undef MBEDTLS_RSA_C
  #undef MBEDTLS_VERSION_C
  #undef MBEDTLS_CERTS_C
  #undef MBEDTLS_HMAC_DRBG_C
  #define MBEDTLS_CIPHER_MODE_CBC
  #undef MBEDTLS_CIPHER_PADDING_PKCS7
  #undef MBEDTLS_ECDSA_DETERMINISTIC
  #undef MBEDTLS_SSL_SESSION_TICKETS
  #undef MBEDTLS_VERSION_FEATURES
  #undef MBEDTLS_X509_CHECK_KEY_USAGE
  #undef MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
  #undef MBEDTLS_ERROR_STRERROR_DUMMY
  #undef MBEDTLS_SSL_ALPN
  #undef MBEDTLS_SSL_TICKET_C
  #undef MBEDTLS_HAVE_SSE2
  #undef MBEDTLS_PLATFORM_MEMORY
  #undef MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
  #undef MBEDTLS_DEPRECATED_WARNING
  #undef MBEDTLS_DEPRECATED_REMOVED
  #undef MBEDTLS_CAMELLIA_SMALL_MEMORY
  #undef MBEDTLS_CIPHER_MODE_CFB
  #undef MBEDTLS_CIPHER_MODE_CTR
  #undef MBEDTLS_CIPHER_NULL_CIPHER
  #undef MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS
  #undef MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
  #undef MBEDTLS_CIPHER_PADDING_ZEROS
  #undef MBEDTLS_ENABLE_WEAK_CIPHERSUITES
  #define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
  #undef MBEDTLS_ECP_DP_CURVE25519_ENABLED
  #define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
  #undef MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED
  #define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
  #undef MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
  #undef MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
  #undef MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED
  #undef MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
  #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
  #undef MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
  #undef MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
  #undef MBEDTLS_PK_PARSE_EC_EXTENDED
  #undef MBEDTLS_GENPRIME
  #undef MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
  #undef MBEDTLS_MEMORY_DEBUG
  #undef MBEDTLS_MEMORY_BACKTRACE
  #undef MBEDTLS_PK_RSA_ALT_SUPPORT
  #undef MBEDTLS_PKCS1_V15
  #undef MBEDTLS_PKCS1_V21
  #undef MBEDTLS_RSA_NO_CRT
  #undef MBEDTLS_SSL_AEAD_RANDOM_IV
  #undef MBEDTLS_RSA_NO_CRT
  #undef MBEDTLS_SSL_DEBUG_ALL
  #undef MBEDTLS_SSL_FALLBACK_SCSV
  #undef MBEDTLS_SSL_HW_RECORD_ACCEL
  #undef MBEDTLS_SSL_CBC_RECORD_SPLITTING
  #undef MBEDTLS_SSL_RENEGOTIATION
  #undef MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
  #undef MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE
  #undef MBEDTLS_SSL_PROTO_TLS1
  #undef MBEDTLS_SSL_PROTO_TLS1_1
  #undef MBEDTLS_SSL_DTLS_BADMAC_LIMIT
  #undef MBEDTLS_SSL_TRUNCATED_HMAC
  #undef MBEDTLS_THREADING_ALT
  #undef MBEDTLS_THREADING_PTHREAD
  #undef MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
  #undef MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
  #undef MBEDTLS_X509_RSASSA_PSS_SUPPORT
  #undef MBEDTLS_ZLIB_SUPPORT
  #undef MBEDTLS_AESNI_C
  #undef MBEDTLS_ARC4_C
  #undef MBEDTLS_BLOWFISH_C
  #undef MBEDTLS_CAMELLIA_C
  #undef MBEDTLS_DES_C
  #undef MBEDTLS_DHM_C
  #undef MBEDTLS_HAVEGE_C
  #undef MBEDTLS_MD2_C
  #undef MBEDTLS_MD4_C
  #undef MBEDTLS_MD5_C
  #undef MBEDTLS_MEMORY_BUFFER_ALLOC_C
  #undef MBEDTLS_PADLOCK_C
  #undef MBEDTLS_PEM_WRITE_C
  #undef MBEDTLS_PKCS5_C
  #undef MBEDTLS_PKCS11_C
  #undef MBEDTLS_PKCS12_C
  #undef MBEDTLS_PLATFORM_C
  #undef MBEDTLS_RIPEMD160_C
  #undef MBEDTLS_SHA512_C
  #undef MBEDTLS_SSL_CACHE_C
  #undef MBEDTLS_THREADING_C
  #define MBEDTLS_X509_CREATE_C
  #define MBEDTLS_X509_CRT_WRITE_C
  #undef MBEDTLS_XTEA_C
  
  #include "mbedtls/check_config.h"
  
  #endif /* MBEDTLS_WISUN_CONFIG_H */
  
  