diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 2ae6991..d3df9ee 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1,9 +1,11 @@
 /**
- * \file config-psa-crypto.h
+ * \file config.h
  *
- * \brief Configuration with all cryptography features and no X.509 or TLS.
+ * \brief Configuration options (set of defines)
  *
- * This configuration is intended to prototype the PSA reference implementation.
+ *  This set of compile-time options may be used to enable
+ *  or disable features selectively, and reduce the global
+ *  memory footprint.
  */
 /*
  *  Copyright (C) 2006-2018, ARM Limited, All Rights Reserved
@@ -118,6 +120,33 @@
 //#define MBEDTLS_HAVE_SSE2
 
 /**
+ * \def MBEDTLS_HAVE_TIME
+ *
+ * System has time.h and time().
+ * The time does not need to be correct, only time differences are used,
+ * by contrast with MBEDTLS_HAVE_TIME_DATE
+ *
+ * Defining MBEDTLS_HAVE_TIME allows you to specify MBEDTLS_PLATFORM_TIME_ALT,
+ * MBEDTLS_PLATFORM_TIME_MACRO, MBEDTLS_PLATFORM_TIME_TYPE_MACRO and
+ * MBEDTLS_PLATFORM_STD_TIME.
+ *
+ * Comment if your system does not support time functions
+ */
+#define MBEDTLS_HAVE_TIME
+
+/**
+ * \def MBEDTLS_HAVE_TIME_DATE
+ *
+ * System has time.h and time(), gmtime() and the clock is correct.
+ * The time needs to be correct (not necesarily very accurate, but at least
+ * the date should be correct). This is used to verify the validity period of
+ * X.509 certificates.
+ *
+ * Comment if your system does not have a correct clock.
+ */
+#define MBEDTLS_HAVE_TIME_DATE
+
+/**
  * \def MBEDTLS_PLATFORM_MEMORY
  *
  * Enable the memory allocation layer.
@@ -178,10 +207,13 @@
  * \warning MBEDTLS_PLATFORM_XXX_ALT cannot be defined at the same time as
  * MBEDTLS_PLATFORM_XXX_MACRO!
  *
+ * Requires: MBEDTLS_PLATFORM_TIME_ALT requires MBEDTLS_HAVE_TIME
+ *
  * Uncomment a macro to enable alternate implementation of specific base
  * platform function
  */
 //#define MBEDTLS_PLATFORM_EXIT_ALT
+//#define MBEDTLS_PLATFORM_TIME_ALT
 //#define MBEDTLS_PLATFORM_FPRINTF_ALT
 //#define MBEDTLS_PLATFORM_PRINTF_ALT
 //#define MBEDTLS_PLATFORM_SNPRINTF_ALT
@@ -226,6 +258,19 @@
  */
 
 /**
+ * \def MBEDTLS_TIMING_ALT
+ *
+ * Uncomment to provide your own alternate implementation for mbedtls_timing_hardclock(),
+ * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay()
+ *
+ * Only works if you have MBEDTLS_TIMING_C enabled.
+ *
+ * You will need to provide a header "timing_alt.h" and an implementation at
+ * compile time.
+ */
+//#define MBEDTLS_TIMING_ALT
+
+/**
  * \def MBEDTLS_AES_ALT
  *
  * MBEDTLS__MODULE_NAME__ALT: Uncomment a macro to let mbed TLS use your
@@ -560,6 +605,37 @@
 #define MBEDTLS_CIPHER_PADDING_ZEROS
 
 /**
+ * \def MBEDTLS_ENABLE_WEAK_CIPHERSUITES
+ *
+ * Enable weak ciphersuites in SSL / TLS.
+ * Warning: Only do so when you know what you are doing. This allows for
+ * channels with virtually no security at all!
+ *
+ * This enables the following ciphersuites:
+ *      MBEDTLS_TLS_RSA_WITH_DES_CBC_SHA
+ *      MBEDTLS_TLS_DHE_RSA_WITH_DES_CBC_SHA
+ *
+ * Uncomment this macro to enable weak ciphersuites
+ *
+ * \warning   DES is considered a weak cipher and its use constitutes a
+ *            security risk. We recommend considering stronger ciphers instead.
+ */
+//#define MBEDTLS_ENABLE_WEAK_CIPHERSUITES
+
+/**
+ * \def MBEDTLS_REMOVE_ARC4_CIPHERSUITES
+ *
+ * Remove RC4 ciphersuites by default in SSL / TLS.
+ * This flag removes the ciphersuites based on RC4 from the default list as
+ * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible to
+ * enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including them
+ * explicitly.
+ *
+ * Uncomment this macro to remove RC4 ciphersuites by default.
+ */
+#define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
+
+/**
  * \def MBEDTLS_ECP_DP_SECP192R1_ENABLED
  *
  * MBEDTLS_ECP_XXXX_ENABLED: Enables specific curves within the Elliptic Curve
@@ -607,6 +683,281 @@
 #define MBEDTLS_ECDSA_DETERMINISTIC
 
 /**
+ * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
+ *
+ * Enable the PSK based ciphersuite modes in SSL / TLS.
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_PSK_WITH_RC4_128_SHA
+ */
+#define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED
+ *
+ * Enable the DHE-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_DHM_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA
+ *
+ * \warning    Using DHE constitutes a security risk as it
+ *             is not possible to validate custom DH parameters.
+ *             If possible, it is recommended users should consider
+ *             preferring other methods of key exchange.
+ *             See dhm.h for more details.
+ *
+ */
+#define MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+ *
+ * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_ECDH_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA
+ */
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
+ *
+ * Enable the RSA-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
+ *           MBEDTLS_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA
+ */
+#define MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
+ *
+ * Enable the RSA-only based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
+ *           MBEDTLS_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
+ *      MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
+ *      MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_RSA_WITH_RC4_128_SHA
+ *      MBEDTLS_TLS_RSA_WITH_RC4_128_MD5
+ */
+#define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED
+ *
+ * Enable the DHE-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_DHM_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
+ *           MBEDTLS_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
+ *      MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
+ *
+ * \warning    Using DHE constitutes a security risk as it
+ *             is not possible to validate custom DH parameters.
+ *             If possible, it is recommended users should consider
+ *             preferring other methods of key exchange.
+ *             See dhm.h for more details.
+ *
+ */
+#define MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+ *
+ * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
+ *           MBEDTLS_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA
+ */
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+ *
+ * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C,
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+ */
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+ *
+ * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ */
+#define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
+ *
+ * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ */
+#define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
+
+/**
+ * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED
+ *
+ * Enable the ECJPAKE based ciphersuite modes in SSL / TLS.
+ *
+ * \warning This is currently experimental. EC J-PAKE support is based on the
+ * Thread v1.0.0 specification; incompatible changes to the specification
+ * might still happen. For this reason, this is disabled by default.
+ *
+ * Requires: MBEDTLS_ECJPAKE_C
+ *           MBEDTLS_SHA256_C
+ *           MBEDTLS_ECP_DP_SECP256R1_ENABLED
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8
+ */
+//#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED
+
+/**
  * \def MBEDTLS_PK_PARSE_EC_EXTENDED
  *
  * Enhance support for reading EC keys using variants of SEC1 not allowed by
@@ -778,7 +1129,8 @@
 /**
  * \def MBEDTLS_RSA_NO_CRT
  *
- * Do not use the Chinese Remainder Theorem for the RSA private operation.
+ * Do not use the Chinese Remainder Theorem
+ * for the RSA private operation.
  *
  * Uncomment this macro to disable the use of CRT in RSA.
  *
@@ -809,6 +1161,20 @@
 //#define MBEDTLS_SHA256_SMALLER
 
 /**
+ * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES
+ *
+ * Enable sending of alert messages in case of encountered errors as per RFC.
+ * If you choose not to send the alert messages, mbed TLS can still communicate
+ * with other servers, only debugging of failures is harder.
+ *
+ * The advantage of not sending alert messages, is that no information is given
+ * about reasons for failures thus preventing adversaries of gaining intel.
+ *
+ * Enable sending of all alert messages
+ */
+#define MBEDTLS_SSL_ALL_ALERT_MESSAGES
+
+/**
  * \def MBEDTLS_SSL_ASYNC_PRIVATE
  *
  * Enable asynchronous external private key operations in SSL. This allows
@@ -820,6 +1186,348 @@
 //#define MBEDTLS_SSL_ASYNC_PRIVATE
 
 /**
+ * \def MBEDTLS_SSL_DEBUG_ALL
+ *
+ * Enable the debug messages in SSL module for all issues.
+ * Debug messages have been disabled in some places to prevent timing
+ * attacks due to (unbalanced) debugging function calls.
+ *
+ * If you need all error reporting you should enable this during debugging,
+ * but remove this for production servers that should log as well.
+ *
+ * Uncomment this macro to report all debug messages on errors introducing
+ * a timing side-channel.
+ *
+ */
+//#define MBEDTLS_SSL_DEBUG_ALL
+
+/** \def MBEDTLS_SSL_ENCRYPT_THEN_MAC
+ *
+ * Enable support for Encrypt-then-MAC, RFC 7366.
+ *
+ * This allows peers that both support it to use a more robust protection for
+ * ciphersuites using CBC, providing deep resistance against timing attacks
+ * on the padding or underlying cipher.
+ *
+ * This only affects CBC ciphersuites, and is useless if none is defined.
+ *
+ * Requires: MBEDTLS_SSL_PROTO_TLS1    or
+ *           MBEDTLS_SSL_PROTO_TLS1_1  or
+ *           MBEDTLS_SSL_PROTO_TLS1_2
+ *
+ * Comment this macro to disable support for Encrypt-then-MAC
+ */
+#define MBEDTLS_SSL_ENCRYPT_THEN_MAC
+
+/** \def MBEDTLS_SSL_EXTENDED_MASTER_SECRET
+ *
+ * Enable support for Extended Master Secret, aka Session Hash
+ * (draft-ietf-tls-session-hash-02).
+ *
+ * This was introduced as "the proper fix" to the Triple Handshake familiy of
+ * attacks, but it is recommended to always use it (even if you disable
+ * renegotiation), since it actually fixes a more fundamental issue in the
+ * original SSL/TLS design, and has implications beyond Triple Handshake.
+ *
+ * Requires: MBEDTLS_SSL_PROTO_TLS1    or
+ *           MBEDTLS_SSL_PROTO_TLS1_1  or
+ *           MBEDTLS_SSL_PROTO_TLS1_2
+ *
+ * Comment this macro to disable support for Extended Master Secret.
+ */
+#define MBEDTLS_SSL_EXTENDED_MASTER_SECRET
+
+/**
+ * \def MBEDTLS_SSL_FALLBACK_SCSV
+ *
+ * Enable support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv-00).
+ *
+ * For servers, it is recommended to always enable this, unless you support
+ * only one version of TLS, or know for sure that none of your clients
+ * implements a fallback strategy.
+ *
+ * For clients, you only need this if you're using a fallback strategy, which
+ * is not recommended in the first place, unless you absolutely need it to
+ * interoperate with buggy (version-intolerant) servers.
+ *
+ * Comment this macro to disable support for FALLBACK_SCSV
+ */
+#define MBEDTLS_SSL_FALLBACK_SCSV
+
+/**
+ * \def MBEDTLS_SSL_HW_RECORD_ACCEL
+ *
+ * Enable hooking functions in SSL module for hardware acceleration of
+ * individual records.
+ *
+ * Uncomment this macro to enable hooking functions.
+ */
+//#define MBEDTLS_SSL_HW_RECORD_ACCEL
+
+/**
+ * \def MBEDTLS_SSL_CBC_RECORD_SPLITTING
+ *
+ * Enable 1/n-1 record splitting for CBC mode in SSLv3 and TLS 1.0.
+ *
+ * This is a countermeasure to the BEAST attack, which also minimizes the risk
+ * of interoperability issues compared to sending 0-length records.
+ *
+ * Comment this macro to disable 1/n-1 record splitting.
+ */
+#define MBEDTLS_SSL_CBC_RECORD_SPLITTING
+
+/**
+ * \def MBEDTLS_SSL_RENEGOTIATION
+ *
+ * Disable support for TLS renegotiation.
+ *
+ * The two main uses of renegotiation are (1) refresh keys on long-lived
+ * connections and (2) client authentication after the initial handshake.
+ * If you don't need renegotiation, it's probably better to disable it, since
+ * it has been associated with security issues in the past and is easy to
+ * misuse/misunderstand.
+ *
+ * Comment this to disable support for renegotiation.
+ *
+ * \note   Even if this option is disabled, both client and server are aware
+ *         of the Renegotiation Indication Extension (RFC 5746) used to
+ *         prevent the SSL renegotiation attack (see RFC 5746 Sect. 1).
+ *         (See \c mbedtls_ssl_conf_legacy_renegotiation for the
+ *          configuration of this extension).
+ *
+ */
+#define MBEDTLS_SSL_RENEGOTIATION
+
+/**
+ * \def MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
+ *
+ * Enable support for receiving and parsing SSLv2 Client Hello messages for the
+ * SSL Server module (MBEDTLS_SSL_SRV_C).
+ *
+ * Uncomment this macro to enable support for SSLv2 Client Hello messages.
+ */
+//#define MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
+
+/**
+ * \def MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE
+ *
+ * Pick the ciphersuite according to the client's preferences rather than ours
+ * in the SSL Server module (MBEDTLS_SSL_SRV_C).
+ *
+ * Uncomment this macro to respect client's ciphersuite order
+ */
+//#define MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE
+
+/**
+ * \def MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
+ *
+ * Enable support for RFC 6066 max_fragment_length extension in SSL.
+ *
+ * Comment this macro to disable support for the max_fragment_length extension
+ */
+#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
+
+/**
+ * \def MBEDTLS_SSL_PROTO_SSL3
+ *
+ * Enable support for SSL 3.0.
+ *
+ * Requires: MBEDTLS_MD5_C
+ *           MBEDTLS_SHA1_C
+ *
+ * Comment this macro to disable support for SSL 3.0
+ */
+//#define MBEDTLS_SSL_PROTO_SSL3
+
+/**
+ * \def MBEDTLS_SSL_PROTO_TLS1
+ *
+ * Enable support for TLS 1.0.
+ *
+ * Requires: MBEDTLS_MD5_C
+ *           MBEDTLS_SHA1_C
+ *
+ * Comment this macro to disable support for TLS 1.0
+ */
+#define MBEDTLS_SSL_PROTO_TLS1
+
+/**
+ * \def MBEDTLS_SSL_PROTO_TLS1_1
+ *
+ * Enable support for TLS 1.1 (and DTLS 1.0 if DTLS is enabled).
+ *
+ * Requires: MBEDTLS_MD5_C
+ *           MBEDTLS_SHA1_C
+ *
+ * Comment this macro to disable support for TLS 1.1 / DTLS 1.0
+ */
+#define MBEDTLS_SSL_PROTO_TLS1_1
+
+/**
+ * \def MBEDTLS_SSL_PROTO_TLS1_2
+ *
+ * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled).
+ *
+ * Requires: MBEDTLS_SHA1_C or MBEDTLS_SHA256_C or MBEDTLS_SHA512_C
+ *           (Depends on ciphersuites)
+ *
+ * Comment this macro to disable support for TLS 1.2 / DTLS 1.2
+ */
+#define MBEDTLS_SSL_PROTO_TLS1_2
+
+/**
+ * \def MBEDTLS_SSL_PROTO_DTLS
+ *
+ * Enable support for DTLS (all available versions).
+ *
+ * Enable this and MBEDTLS_SSL_PROTO_TLS1_1 to enable DTLS 1.0,
+ * and/or this and MBEDTLS_SSL_PROTO_TLS1_2 to enable DTLS 1.2.
+ *
+ * Requires: MBEDTLS_SSL_PROTO_TLS1_1
+ *        or MBEDTLS_SSL_PROTO_TLS1_2
+ *
+ * Comment this macro to disable support for DTLS
+ */
+#define MBEDTLS_SSL_PROTO_DTLS
+
+/**
+ * \def MBEDTLS_SSL_ALPN
+ *
+ * Enable support for RFC 7301 Application Layer Protocol Negotiation.
+ *
+ * Comment this macro to disable support for ALPN.
+ */
+#define MBEDTLS_SSL_ALPN
+
+/**
+ * \def MBEDTLS_SSL_DTLS_ANTI_REPLAY
+ *
+ * Enable support for the anti-replay mechanism in DTLS.
+ *
+ * Requires: MBEDTLS_SSL_TLS_C
+ *           MBEDTLS_SSL_PROTO_DTLS
+ *
+ * \warning Disabling this is often a security risk!
+ * See mbedtls_ssl_conf_dtls_anti_replay() for details.
+ *
+ * Comment this to disable anti-replay in DTLS.
+ */
+#define MBEDTLS_SSL_DTLS_ANTI_REPLAY
+
+/**
+ * \def MBEDTLS_SSL_DTLS_HELLO_VERIFY
+ *
+ * Enable support for HelloVerifyRequest on DTLS servers.
+ *
+ * This feature is highly recommended to prevent DTLS servers being used as
+ * amplifiers in DoS attacks against other hosts. It should always be enabled
+ * unless you know for sure amplification cannot be a problem in the
+ * environment in which your server operates.
+ *
+ * \warning Disabling this can ba a security risk! (see above)
+ *
+ * Requires: MBEDTLS_SSL_PROTO_DTLS
+ *
+ * Comment this to disable support for HelloVerifyRequest.
+ */
+#define MBEDTLS_SSL_DTLS_HELLO_VERIFY
+
+/**
+ * \def MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
+ *
+ * Enable server-side support for clients that reconnect from the same port.
+ *
+ * Some clients unexpectedly close the connection and try to reconnect using the
+ * same source port. This needs special support from the server to handle the
+ * new connection securely, as described in section 4.2.8 of RFC 6347. This
+ * flag enables that support.
+ *
+ * Requires: MBEDTLS_SSL_DTLS_HELLO_VERIFY
+ *
+ * Comment this to disable support for clients reusing the source port.
+ */
+#define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
+
+/**
+ * \def MBEDTLS_SSL_DTLS_BADMAC_LIMIT
+ *
+ * Enable support for a limit of records with bad MAC.
+ *
+ * See mbedtls_ssl_conf_dtls_badmac_limit().
+ *
+ * Requires: MBEDTLS_SSL_PROTO_DTLS
+ */
+#define MBEDTLS_SSL_DTLS_BADMAC_LIMIT
+
+/**
+ * \def MBEDTLS_SSL_SESSION_TICKETS
+ *
+ * Enable support for RFC 5077 session tickets in SSL.
+ * Client-side, provides full support for session tickets (maintainance of a
+ * session store remains the responsibility of the application, though).
+ * Server-side, you also need to provide callbacks for writing and parsing
+ * tickets, including authenticated encryption and key management. Example
+ * callbacks are provided by MBEDTLS_SSL_TICKET_C.
+ *
+ * Comment this macro to disable support for SSL session tickets
+ */
+#define MBEDTLS_SSL_SESSION_TICKETS
+
+/**
+ * \def MBEDTLS_SSL_EXPORT_KEYS
+ *
+ * Enable support for exporting key block and master secret.
+ * This is required for certain users of TLS, e.g. EAP-TLS.
+ *
+ * Comment this macro to disable support for key export
+ */
+#define MBEDTLS_SSL_EXPORT_KEYS
+
+/**
+ * \def MBEDTLS_SSL_SERVER_NAME_INDICATION
+ *
+ * Enable support for RFC 6066 server name indication (SNI) in SSL.
+ *
+ * Requires: MBEDTLS_X509_CRT_PARSE_C
+ *
+ * Comment this macro to disable support for server name indication in SSL
+ */
+#define MBEDTLS_SSL_SERVER_NAME_INDICATION
+
+/**
+ * \def MBEDTLS_SSL_TRUNCATED_HMAC
+ *
+ * Enable support for RFC 6066 truncated HMAC in SSL.
+ *
+ * Comment this macro to disable support for truncated HMAC in SSL
+ */
+#define MBEDTLS_SSL_TRUNCATED_HMAC
+
+/**
+ * \def MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT
+ *
+ * Fallback to old (pre-2.7), non-conforming implementation of the truncated
+ * HMAC extension which also truncates the HMAC key. Note that this option is
+ * only meant for a transitory upgrade period and is likely to be removed in
+ * a future version of the library.
+ *
+ * \warning The old implementation is non-compliant and has a security weakness
+ *          (2^80 brute force attack on the HMAC key used for a single,
+ *          uninterrupted connection). This should only be enabled temporarily
+ *          when (1) the use of truncated HMAC is essential in order to save
+ *          bandwidth, and (2) the peer is an Mbed TLS stack that doesn't use
+ *          the fixed implementation yet (pre-2.7).
+ *
+ * \deprecated This option is deprecated and will likely be removed in a
+ *             future version of Mbed TLS.
+ *
+ * Uncomment to fallback to old, non-compliant truncated HMAC implementation.
+ *
+ * Requires: MBEDTLS_SSL_TRUNCATED_HMAC
+ */
+//#define MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT
+
+/**
  * \def MBEDTLS_THREADING_ALT
  *
  * Provide your own alternate threading implementation.
@@ -854,6 +1562,89 @@
  */
 #define MBEDTLS_VERSION_FEATURES
 
+/**
+ * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
+ *
+ * If set, the X509 parser will not break-off when parsing an X509 certificate
+ * and encountering an extension in a v1 or v2 certificate.
+ *
+ * Uncomment to prevent an error.
+ */
+//#define MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
+
+/**
+ * \def MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
+ *
+ * If set, the X509 parser will not break-off when parsing an X509 certificate
+ * and encountering an unknown critical extension.
+ *
+ * \warning Depending on your PKI use, enabling this can be a security risk!
+ *
+ * Uncomment to prevent an error.
+ */
+//#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
+
+/**
+ * \def MBEDTLS_X509_CHECK_KEY_USAGE
+ *
+ * Enable verification of the keyUsage extension (CA and leaf certificates).
+ *
+ * Disabling this avoids problems with mis-issued and/or misused
+ * (intermediate) CA and leaf certificates.
+ *
+ * \warning Depending on your PKI use, disabling this can be a security risk!
+ *
+ * Comment to skip keyUsage checking for both CA and leaf certificates.
+ */
+#define MBEDTLS_X509_CHECK_KEY_USAGE
+
+/**
+ * \def MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
+ *
+ * Enable verification of the extendedKeyUsage extension (leaf certificates).
+ *
+ * Disabling this avoids problems with mis-issued and/or misused certificates.
+ *
+ * \warning Depending on your PKI use, disabling this can be a security risk!
+ *
+ * Comment to skip extendedKeyUsage checking for certificates.
+ */
+#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
+
+/**
+ * \def MBEDTLS_X509_RSASSA_PSS_SUPPORT
+ *
+ * Enable parsing and verification of X.509 certificates, CRLs and CSRS
+ * signed with RSASSA-PSS (aka PKCS#1 v2.1).
+ *
+ * Comment this macro to disallow using RSASSA-PSS in certificates.
+ */
+#define MBEDTLS_X509_RSASSA_PSS_SUPPORT
+
+/**
+ * \def MBEDTLS_ZLIB_SUPPORT
+ *
+ * If set, the SSL/TLS module uses ZLIB to support compression and
+ * decompression of packet data.
+ *
+ * \warning TLS-level compression MAY REDUCE SECURITY! See for example the
+ * CRIME attack. Before enabling this option, you should examine with care if
+ * CRIME or similar exploits may be a applicable to your use case.
+ *
+ * \note Currently compression can't be used with DTLS.
+ *
+ * \deprecated This feature is deprecated and will be removed
+ *             in the next major revision of the library.
+ *
+ * Used in: library/ssl_tls.c
+ *          library/ssl_cli.c
+ *          library/ssl_srv.c
+ *
+ * This feature requires zlib library and headers to be present.
+ *
+ * Uncomment to enable use of ZLIB
+ */
+//#define MBEDTLS_ZLIB_SUPPORT
 /* \} name SECTION: mbed TLS feature support */
 
 /**
@@ -1239,6 +2030,20 @@
 #define MBEDTLS_CTR_DRBG_C
 
 /**
+ * \def MBEDTLS_DEBUG_C
+ *
+ * Enable the debug functions.
+ *
+ * Module:  library/debug.c
+ * Caller:  library/ssl_cli.c
+ *          library/ssl_srv.c
+ *          library/ssl_tls.c
+ *
+ * This module provides debugging functions.
+ */
+#define MBEDTLS_DEBUG_C
+
+/**
  * \def MBEDTLS_DES_C
  *
  * Enable the DES block cipher.
@@ -1336,7 +2141,7 @@
  *
  * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C
  */
-#define MBEDTLS_ECJPAKE_C
+//#define MBEDTLS_ECJPAKE_C
 
 /**
  * \def MBEDTLS_ECP_C
@@ -1393,6 +2198,29 @@
 #define MBEDTLS_GCM_C
 
 /**
+ * \def MBEDTLS_HAVEGE_C
+ *
+ * Enable the HAVEGE random generator.
+ *
+ * Warning: the HAVEGE random generator is not suitable for virtualized
+ *          environments
+ *
+ * Warning: the HAVEGE random generator is dependent on timing and specific
+ *          processor traits. It is therefore not advised to use HAVEGE as
+ *          your applications primary random generator or primary entropy pool
+ *          input. As a secondary input to your entropy pool, it IS able add
+ *          the (limited) extra entropy it provides.
+ *
+ * Module:  library/havege.c
+ * Caller:
+ *
+ * Requires: MBEDTLS_TIMING_C
+ *
+ * Uncomment to enable the HAVEGE random generator.
+ */
+//#define MBEDTLS_HAVEGE_C
+
+/**
  * \def MBEDTLS_HKDF_C
  *
  * Enable the HKDF algorithm (RFC 5869).
@@ -1461,7 +2289,7 @@
  *            it, and considering stronger message digests instead.
  *
  */
-#define MBEDTLS_MD2_C
+//#define MBEDTLS_MD2_C
 
 /**
  * \def MBEDTLS_MD4_C
@@ -1478,7 +2306,7 @@
  *            it, and considering stronger message digests instead.
  *
  */
-#define MBEDTLS_MD4_C
+//#define MBEDTLS_MD4_C
 
 /**
  * \def MBEDTLS_MD5_C
@@ -1519,6 +2347,25 @@
 //#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
 
 /**
+ * \def MBEDTLS_NET_C
+ *
+ * Enable the TCP and UDP over IPv6/IPv4 networking routines.
+ *
+ * \note This module only works on POSIX/Unix (including Linux, BSD and OS X)
+ * and Windows. For other platforms, you'll want to disable it, and write your
+ * own networking callbacks to be passed to \c mbedtls_ssl_set_bio().
+ *
+ * \note See also our Knowledge Base article about porting to a new
+ * environment:
+ * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
+ *
+ * Module:  library/net_sockets.c
+ *
+ * This module provides networking routines.
+ */
+#define MBEDTLS_NET_C
+
+/**
  * \def MBEDTLS_OID_C
  *
  * Enable the OID database.
@@ -1553,7 +2400,7 @@
  *
  * This modules adds support for the VIA PadLock on x86.
  */
-//#define MBEDTLS_PADLOCK_C
+#define MBEDTLS_PADLOCK_C
 
 /**
  * \def MBEDTLS_PEM_PARSE_C
@@ -1805,6 +2652,84 @@
 #define MBEDTLS_SHA512_C
 
 /**
+ * \def MBEDTLS_SSL_CACHE_C
+ *
+ * Enable simple SSL cache implementation.
+ *
+ * Module:  library/ssl_cache.c
+ * Caller:
+ *
+ * Requires: MBEDTLS_SSL_CACHE_C
+ */
+#define MBEDTLS_SSL_CACHE_C
+
+/**
+ * \def MBEDTLS_SSL_COOKIE_C
+ *
+ * Enable basic implementation of DTLS cookies for hello verification.
+ *
+ * Module:  library/ssl_cookie.c
+ * Caller:
+ */
+#define MBEDTLS_SSL_COOKIE_C
+
+/**
+ * \def MBEDTLS_SSL_TICKET_C
+ *
+ * Enable an implementation of TLS server-side callbacks for session tickets.
+ *
+ * Module:  library/ssl_ticket.c
+ * Caller:
+ *
+ * Requires: MBEDTLS_CIPHER_C
+ */
+#define MBEDTLS_SSL_TICKET_C
+
+/**
+ * \def MBEDTLS_SSL_CLI_C
+ *
+ * Enable the SSL/TLS client code.
+ *
+ * Module:  library/ssl_cli.c
+ * Caller:
+ *
+ * Requires: MBEDTLS_SSL_TLS_C
+ *
+ * This module is required for SSL/TLS client support.
+ */
+#define MBEDTLS_SSL_CLI_C
+
+/**
+ * \def MBEDTLS_SSL_SRV_C
+ *
+ * Enable the SSL/TLS server code.
+ *
+ * Module:  library/ssl_srv.c
+ * Caller:
+ *
+ * Requires: MBEDTLS_SSL_TLS_C
+ *
+ * This module is required for SSL/TLS server support.
+ */
+#define MBEDTLS_SSL_SRV_C
+
+/**
+ * \def MBEDTLS_SSL_TLS_C
+ *
+ * Enable the generic SSL/TLS code.
+ *
+ * Module:  library/ssl_tls.c
+ * Caller:  library/ssl_cli.c
+ *          library/ssl_srv.c
+ *
+ * Requires: MBEDTLS_CIPHER_C, MBEDTLS_MD_C
+ *           and at least one of the MBEDTLS_SSL_PROTO_XXX defines
+ *
+ * This module is required for SSL/TLS.
+ */
+#define MBEDTLS_SSL_TLS_C
+
+/**
  * \def MBEDTLS_THREADING_C
  *
  * Enable the threading abstraction layer.
@@ -1827,6 +2752,29 @@
 //#define MBEDTLS_THREADING_C
 
 /**
+ * \def MBEDTLS_TIMING_C
+ *
+ * Enable the semi-portable timing interface.
+ *
+ * \note The provided implementation only works on POSIX/Unix (including Linux,
+ * BSD and OS X) and Windows. On other platforms, you can either disable that
+ * module and provide your own implementations of the callbacks needed by
+ * \c mbedtls_ssl_set_timer_cb() for DTLS, or leave it enabled and provide
+ * your own implementation of the whole module by setting
+ * \c MBEDTLS_TIMING_ALT in the current file.
+ *
+ * \note See also our Knowledge Base article about porting to a new
+ * environment:
+ * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
+ *
+ * Module:  library/timing.c
+ * Caller:  library/havege.c
+ *
+ * This module is used by the HAVEGE random number generator.
+ */
+#define MBEDTLS_TIMING_C
+
+/**
  * \def MBEDTLS_VERSION_C
  *
  * Enable run-time version information.
@@ -1838,6 +2786,106 @@
 #define MBEDTLS_VERSION_C
 
 /**
+ * \def MBEDTLS_X509_USE_C
+ *
+ * Enable X.509 core for using certificates.
+ *
+ * Module:  library/x509.c
+ * Caller:  library/x509_crl.c
+ *          library/x509_crt.c
+ *          library/x509_csr.c
+ *
+ * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_BIGNUM_C, MBEDTLS_OID_C,
+ *           MBEDTLS_PK_PARSE_C
+ *
+ * This module is required for the X.509 parsing modules.
+ */
+#define MBEDTLS_X509_USE_C
+
+/**
+ * \def MBEDTLS_X509_CRT_PARSE_C
+ *
+ * Enable X.509 certificate parsing.
+ *
+ * Module:  library/x509_crt.c
+ * Caller:  library/ssl_cli.c
+ *          library/ssl_srv.c
+ *          library/ssl_tls.c
+ *
+ * Requires: MBEDTLS_X509_USE_C
+ *
+ * This module is required for X.509 certificate parsing.
+ */
+#define MBEDTLS_X509_CRT_PARSE_C
+
+/**
+ * \def MBEDTLS_X509_CRL_PARSE_C
+ *
+ * Enable X.509 CRL parsing.
+ *
+ * Module:  library/x509_crl.c
+ * Caller:  library/x509_crt.c
+ *
+ * Requires: MBEDTLS_X509_USE_C
+ *
+ * This module is required for X.509 CRL parsing.
+ */
+#define MBEDTLS_X509_CRL_PARSE_C
+
+/**
+ * \def MBEDTLS_X509_CSR_PARSE_C
+ *
+ * Enable X.509 Certificate Signing Request (CSR) parsing.
+ *
+ * Module:  library/x509_csr.c
+ * Caller:  library/x509_crt_write.c
+ *
+ * Requires: MBEDTLS_X509_USE_C
+ *
+ * This module is used for reading X.509 certificate request.
+ */
+#define MBEDTLS_X509_CSR_PARSE_C
+
+/**
+ * \def MBEDTLS_X509_CREATE_C
+ *
+ * Enable X.509 core for creating certificates.
+ *
+ * Module:  library/x509_create.c
+ *
+ * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, MBEDTLS_PK_WRITE_C
+ *
+ * This module is the basis for creating X.509 certificates and CSRs.
+ */
+#define MBEDTLS_X509_CREATE_C
+
+/**
+ * \def MBEDTLS_X509_CRT_WRITE_C
+ *
+ * Enable creating X.509 certificates.
+ *
+ * Module:  library/x509_crt_write.c
+ *
+ * Requires: MBEDTLS_X509_CREATE_C
+ *
+ * This module is required for X.509 certificate creation.
+ */
+#define MBEDTLS_X509_CRT_WRITE_C
+
+/**
+ * \def MBEDTLS_X509_CSR_WRITE_C
+ *
+ * Enable creating X.509 Certificate Signing Requests (CSR).
+ *
+ * Module:  library/x509_csr_write.c
+ *
+ * Requires: MBEDTLS_X509_CREATE_C
+ *
+ * This module is required for X.509 certificate request writing.
+ */
+#define MBEDTLS_X509_CSR_WRITE_C
+
+/**
  * \def MBEDTLS_XTEA_C
  *
  * Enable the XTEA block cipher.
@@ -2067,7 +3115,7 @@
 /* \} name SECTION: Customisation configuration options */
 
 /* Target and application specific configurations */
-//#define YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE "target_config.h"
+//#define YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE "mbedtls/target_config.h"
 
 #if defined(TARGET_LIKE_MBED) && defined(YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE)
 #include YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE
@@ -2086,6 +3134,6 @@
 #include MBEDTLS_USER_CONFIG_FILE
 #endif
 
-#include "mbedtls/check_config.h"
+#include "check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */