Diff: SSL/include/polarssl/config.h

Revision:

0:796d0f61a05b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SSL/include/polarssl/config.h	Thu Sep 27 06:34:22 2018 +0000
@@ -0,0 +1,2380 @@
+/**
+ * \file config.h
+ *
+ * \brief Configuration options (set of defines)
+ *
+ *  Copyright (C) 2006-2014, Brainspark B.V.
+ *
+ *  This file is part of PolarSSL (http://www.polarssl.org)
+ *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
+ *
+ *  All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * This set of compile-time options may be used to enable
+ * or disable features selectively, and reduce the global
+ * memory footprint.
+ */
+#ifndef POLARSSL_CONFIG_H
+#define POLARSSL_CONFIG_H
+
+#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+
+/**
+ * \name SECTION: System support
+ *
+ * This section sets system specific settings.
+ * \{
+ */
+
+/**
+ * \def POLARSSL_HAVE_INT8
+ *
+ * The system uses 8-bit wide native integers.
+ *
+ * Uncomment if native integers are 8-bit wide.
+ */
+//#define POLARSSL_HAVE_INT8
+
+
+/**
+ * \def POLARSSL_MBED
+ *
+ * Code generation for use with MBED. 
+ *
+ * Uncomment if MBED code should be included. .
+ */
+#define POLARSSL_MBED 1
+
+/**
+ * \def POLARSSL_HAVE_INT16
+ *
+ * The system uses 16-bit wide native integers.
+ *
+ * Uncomment if native integers are 16-bit wide.
+ */
+//#define POLARSSL_HAVE_INT16
+
+/**
+ * \def POLARSSL_HAVE_LONGLONG
+ *
+ * The compiler supports the 'long long' type.
+ * (Only used on 32-bit platforms)
+ */
+#define POLARSSL_HAVE_LONGLONG
+
+/**
+ * \def POLARSSL_HAVE_ASM
+ *
+ * The compiler has support for asm().
+ *
+ * Requires support for asm() in compiler.
+ *
+ * Used in:
+ *      library/timing.c
+ *      library/padlock.c
+ *      include/polarssl/bn_mul.h
+ *
+ * Comment to disable the use of assembly code.
+ */
+// #define POLARSSL_HAVE_ASM
+
+/**
+ * \def POLARSSL_HAVE_SSE2
+ *
+ * CPU supports SSE2 instruction set.
+ *
+ * Uncomment if the CPU supports SSE2 (IA-32 specific).
+ */
+//#define POLARSSL_HAVE_SSE2
+
+/**
+ * \def POLARSSL_HAVE_TIME
+ *
+ * System has time.h and time() / localtime()  / gettimeofday().
+ *
+ * Comment if your system does not support time functions
+ */
+//#define POLARSSL_HAVE_TIME
+
+/**
+ * \def POLARSSL_HAVE_IPV6
+ *
+ * System supports the basic socket interface for IPv6 (RFC 3493),
+ * specifically getaddrinfo(), freeaddrinfo() and struct sockaddr_storage.
+ *
+ * Note: on Windows/MingW, XP or higher is required.
+ *
+ * Comment if your system does not support the IPv6 socket interface
+ */
+//#define POLARSSL_HAVE_IPV6
+
+/**
+ * \def POLARSSL_PLATFORM_MEMORY
+ *
+ * Enable the memory allocation layer.
+ *
+ * By default PolarSSL uses the system-provided malloc() and free().
+ * This allows different allocators (self-implemented or provided) to be
+ * provided to the platform abstraction layer.
+ *
+ * Enabling POLARSSL_PLATFORM_MEMORY will provide "platform_set_malloc_free()"
+ * to allow you to set an alternative malloc() and free() function pointer.
+ *
+ * Requires: POLARSSL_PLATFORM_C
+ *
+ * Enable this layer to allow use of alternative memory allocators.
+ */
+//#define POLARSSL_PLATFORM_MEMORY
+
+/**
+ * \def POLARSSL_PLATFORM_XXX_ALT
+ *
+ * Uncomment a macro to let PolarSSL support the function in the platform
+ * abstraction layer.
+ *
+ * Example: In case you uncomment POLARSSL_PLATFORM_PRINTF_ALT, PolarSSL will
+ * provide a function "platform_set_printf()" that allows you to set an
+ * alternative printf function pointer.
+ *
+ * All these define require POLARSSL_PLATFORM_C to be defined!
+ *
+ * Uncomment a macro to enable alternate implementation of specific base
+ * platform function
+ */
+//#define POLARSSL_PLATFORM_PRINTF_ALT
+//#define POLARSSL_PLATFORM_FPRINTF_ALT
+/* \} name SECTION: System support */
+
+/**
+ * \name SECTION: PolarSSL feature support
+ *
+ * This section sets support for features that are or are not needed
+ * within the modules that are enabled.
+ * \{
+ */
+
+/**
+ * \def POLARSSL_TIMING_ALT
+ *
+ * Uncomment to provide your own alternate implementation for hardclock(),
+ * get_timer(), set_alarm() and m_sleep().
+ *
+ * Only works if you have POLARSSL_TIMING_C enabled.
+ *
+ * You will need to provide a header "timing_alt.h" and an implementation at
+ * compile time.
+ */
+//#define POLARSSL_TIMING_ALT
+
+/**
+ * \def POLARSSL_XXX_ALT
+ *
+ * Uncomment a macro to let PolarSSL use your alternate core implementation of
+ * a symmetric or hash algorithm (e.g. platform specific assembly optimized
+ * implementations). Keep in mind that the function prototypes should remain
+ * the same.
+ *
+ * Example: In case you uncomment POLARSSL_AES_ALT, PolarSSL will no longer
+ * provide the "struct aes_context" definition and omit the base function
+ * declarations and implementations. "aes_alt.h" will be included from
+ * "aes.h" to include the new function definitions.
+ *
+ * Uncomment a macro to enable alternate implementation for core algorithm
+ * functions
+ */
+//#define POLARSSL_AES_ALT
+//#define POLARSSL_ARC4_ALT
+//#define POLARSSL_BLOWFISH_ALT
+//#define POLARSSL_CAMELLIA_ALT
+//#define POLARSSL_DES_ALT
+//#define POLARSSL_XTEA_ALT
+//#define POLARSSL_MD2_ALT
+//#define POLARSSL_MD4_ALT
+//#define POLARSSL_MD5_ALT
+//#define POLARSSL_RIPEMD160_ALT
+//#define POLARSSL_SHA1_ALT
+//#define POLARSSL_SHA256_ALT
+//#define POLARSSL_SHA512_ALT
+
+/**
+ * \def POLARSSL_AES_ROM_TABLES
+ *
+ * Store the AES tables in ROM.
+ *
+ * Uncomment this macro to store the AES tables in ROM.
+ *
+ */
+//#define POLARSSL_AES_ROM_TABLES
+
+/**
+ * \def POLARSSL_CIPHER_MODE_CBC
+ *
+ * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers.
+ */
+//#define POLARSSL_CIPHER_MODE_CBC
+
+/**
+ * \def POLARSSL_CIPHER_MODE_CFB
+ *
+ * Enable Cipher Feedback mode (CFB) for symmetric ciphers.
+ */
+//#define POLARSSL_CIPHER_MODE_CFB
+
+/**
+ * \def POLARSSL_CIPHER_MODE_CTR
+ *
+ * Enable Counter Block Cipher mode (CTR) for symmetric ciphers.
+ */
+//#define POLARSSL_CIPHER_MODE_CTR
+
+/**
+ * \def POLARSSL_CIPHER_NULL_CIPHER
+ *
+ * Enable NULL cipher.
+ * Warning: Only do so when you know what you are doing. This allows for
+ * encryption or channels without any security!
+ *
+ * Requires POLARSSL_ENABLE_WEAK_CIPHERSUITES as well to enable
+ * the following ciphersuites:
+ *      TLS_ECDH_ECDSA_WITH_NULL_SHA
+ *      TLS_ECDH_RSA_WITH_NULL_SHA
+ *      TLS_ECDHE_ECDSA_WITH_NULL_SHA
+ *      TLS_ECDHE_RSA_WITH_NULL_SHA
+ *      TLS_ECDHE_PSK_WITH_NULL_SHA384
+ *      TLS_ECDHE_PSK_WITH_NULL_SHA256
+ *      TLS_ECDHE_PSK_WITH_NULL_SHA
+ *      TLS_DHE_PSK_WITH_NULL_SHA384
+ *      TLS_DHE_PSK_WITH_NULL_SHA256
+ *      TLS_DHE_PSK_WITH_NULL_SHA
+ *      TLS_RSA_WITH_NULL_SHA256
+ *      TLS_RSA_WITH_NULL_SHA
+ *      TLS_RSA_WITH_NULL_MD5
+ *      TLS_RSA_PSK_WITH_NULL_SHA384
+ *      TLS_RSA_PSK_WITH_NULL_SHA256
+ *      TLS_RSA_PSK_WITH_NULL_SHA
+ *      TLS_PSK_WITH_NULL_SHA384
+ *      TLS_PSK_WITH_NULL_SHA256
+ *      TLS_PSK_WITH_NULL_SHA
+ *
+ * Uncomment this macro to enable the NULL cipher and ciphersuites
+#define POLARSSL_CIPHER_NULL_CIPHER
+ */
+
+/**
+ * \def POLARSSL_CIPHER_PADDING_XXX
+ *
+ * Uncomment or comment macros to add support for specific padding modes
+ * in the cipher layer with cipher modes that support padding (e.g. CBC)
+ *
+ * If you disable all padding modes, only full blocks can be used with CBC.
+ *
+ * Enable padding modes in the cipher layer.
+ */
+#define POLARSSL_CIPHER_PADDING_PKCS7
+#define POLARSSL_CIPHER_PADDING_ONE_AND_ZEROS
+#define POLARSSL_CIPHER_PADDING_ZEROS_AND_LEN
+#define POLARSSL_CIPHER_PADDING_ZEROS
+
+/**
+ * \def POLARSSL_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:
+ *      TLS_RSA_WITH_DES_CBC_SHA
+ *      TLS_DHE_RSA_WITH_DES_CBC_SHA
+ *
+ * Uncomment this macro to enable weak ciphersuites
+#define POLARSSL_ENABLE_WEAK_CIPHERSUITES
+ */
+
+/**
+ * \def POLARSSL_ECP_XXXX_ENABLED
+ *
+ * Enables specific curves within the Elliptic Curve module.
+ * By default all supported curves are enabled.
+ *
+ * Comment macros to disable the curve and functions for it
+ 
+#define POLARSSL_ECP_DP_SECP192R1_ENABLED
+#define POLARSSL_ECP_DP_SECP224R1_ENABLED
+#define POLARSSL_ECP_DP_SECP256R1_ENABLED
+#define POLARSSL_ECP_DP_SECP384R1_ENABLED
+#define POLARSSL_ECP_DP_SECP521R1_ENABLED
+#define POLARSSL_ECP_DP_SECP192K1_ENABLED
+#define POLARSSL_ECP_DP_SECP224K1_ENABLED
+#define POLARSSL_ECP_DP_SECP256K1_ENABLED
+#define POLARSSL_ECP_DP_BP256R1_ENABLED
+#define POLARSSL_ECP_DP_BP384R1_ENABLED
+#define POLARSSL_ECP_DP_BP512R1_ENABLED
+//#define POLARSSL_ECP_DP_M221_ENABLED  // Not implemented yet!
+#define POLARSSL_ECP_DP_M255_ENABLED
+//#define POLARSSL_ECP_DP_M383_ENABLED  // Not implemented yet!
+//#define POLARSSL_ECP_DP_M511_ENABLED  // Not implemented yet!
+
+*/
+/**
+ * \def POLARSSL_ECP_NIST_OPTIM
+ *
+ * Enable specific 'modulo p' routines for each NIST prime.
+ * Depending on the prime and architecture, makes operations 4 to 8 times
+ * faster on the corresponding curve.
+ *
+ * Comment this macro to disable NIST curves optimisation.
+ */
+//#define POLARSSL_ECP_NIST_OPTIM
+
+/**
+ * \def POLARSSL_ECDSA_DETERMINISTIC
+ *
+ * Enable deterministic ECDSA (RFC 6979).
+ * Standard ECDSA is "fragile" in the sense that lack of entropy when signing
+ * may result in a compromise of the long-term signing key. This is avoided by
+ * the deterministic variant.
+ *
+ * Requires: POLARSSL_HMAC_DRBG_C
+ *
+ * Comment this macro to disable deterministic ECDSA.
+ */
+//#define POLARSSL_ECDSA_DETERMINISTIC
+
+/**
+ * \def POLARSSL_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):
+ *      TLS_PSK_WITH_AES_256_GCM_SHA384
+ *      TLS_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_PSK_WITH_AES_128_GCM_SHA256
+ *      TLS_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_PSK_WITH_AES_128_CBC_SHA
+ *      TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_PSK_WITH_3DES_EDE_CBC_SHA
+ *      TLS_PSK_WITH_RC4_128_SHA
+ */
+#define POLARSSL_KEY_EXCHANGE_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED
+ *
+ * Enable the DHE-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_DHM_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
+ *      TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_DHE_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
+ *      TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_DHE_PSK_WITH_AES_128_CBC_SHA
+ *      TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
+ *      TLS_DHE_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+ *
+ * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
+ *      TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDHE_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED
+ *
+ * Enable the RSA-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ *           POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
+ *      TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_RSA_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
+ *      TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_RSA_PSK_WITH_AES_128_CBC_SHA
+ *      TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
+ *      TLS_RSA_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_RSA_ENABLED
+ *
+ * Enable the RSA-only based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ *           POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_RSA_WITH_AES_256_CBC_SHA256
+ *      TLS_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ *      TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
+ *      TLS_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
+ *      TLS_RSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_RSA_WITH_RC4_128_SHA
+ *      TLS_RSA_WITH_RC4_128_MD5
+ */
+//#define POLARSSL_KEY_EXCHANGE_RSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED
+ *
+ * Enable the DHE-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_DHM_C, POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ *           POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
+ *      TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
+ *      TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+ *
+ * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ *           POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDHE_RSA_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+ *
+ * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_ECDSA_C, POLARSSL_X509_CRT_PARSE_C,
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+ *
+ * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+ *      TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ *      TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED
+ *
+ * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDH_RSA_WITH_RC4_128_SHA
+ *      TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED
+
+/**
+ * \def POLARSSL_PK_PARSE_EC_EXTENDED
+ *
+ * Enhance support for reading EC keys using variants of SEC1 not allowed by
+ * RFC 5915 and RFC 5480.
+ *
+ * Currently this means parsing the SpecifiedECDomain choice of EC
+ * parameters (only known groups are supported, not arbitrary domains, to
+ * avoid validation issues).
+ *
+ * Disable if you only need to support RFC 5915 + 5480 key formats.
+ */
+//#define POLARSSL_PK_PARSE_EC_EXTENDED
+
+/**
+ * \def POLARSSL_ERROR_STRERROR_BC
+ *
+ * Make available the backward compatible error_strerror() next to the
+ * current polarssl_strerror().
+ *
+ * Disable if you run into name conflicts and want to really remove the
+ * error_strerror()
+ */
+#define POLARSSL_ERROR_STRERROR_BC
+
+/**
+ * \def POLARSSL_ERROR_STRERROR_DUMMY
+ *
+ * Enable a dummy error function to make use of polarssl_strerror() in
+ * third party libraries easier.
+ *
+ * Disable if you run into name conflicts and want to really remove the
+ * polarssl_strerror()
+ */
+#define POLARSSL_ERROR_STRERROR_DUMMY
+
+/**
+ * \def POLARSSL_GENPRIME
+ *
+ * Enable the prime-number generation code.
+ *
+ * Requires: POLARSSL_BIGNUM_C
+ */
+//#define POLARSSL_GENPRIME
+
+/**
+ * \def POLARSSL_FS_IO
+ *
+ * Enable functions that use the filesystem.
+ */
+//#define POLARSSL_FS_IO
+
+/**
+ * \def POLARSSL_NO_DEFAULT_ENTROPY_SOURCES
+ *
+ * Do not add default entropy sources. These are the platform specific,
+ * hardclock and HAVEGE based poll functions.
+ *
+ * This is useful to have more control over the added entropy sources in an 
+ * application.
+ *
+ * Uncomment this macro to prevent loading of default entropy functions.
+ */
+#define POLARSSL_NO_DEFAULT_ENTROPY_SOURCES
+
+/**
+ * \def POLARSSL_NO_PLATFORM_ENTROPY
+ *
+ * Do not use built-in platform entropy functions.
+ * This is useful if your platform does not support
+ * standards like the /dev/urandom or Windows CryptoAPI.
+ *
+ * Uncomment this macro to disable the built-in platform entropy functions.
+ */
+#define POLARSSL_NO_PLATFORM_ENTROPY
+
+/**
+ * \def POLARSSL_ENTROPY_FORCE_SHA256
+ *
+ * Force the entropy accumulator to use a SHA-256 accumulator instead of the
+ * default SHA-512 based one (if both are available).
+ *
+ * Requires: POLARSSL_SHA256_C
+ *
+ * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option
+ * if you have performance concerns.
+ *
+ * This option is only useful if both POLARSSL_SHA256_C and
+ * POLARSSL_SHA512_C are defined. Otherwise the available hash module is used.
+ */
+//#define POLARSSL_ENTROPY_FORCE_SHA256
+
+/**
+ * \def POLARSSL_MEMORY_DEBUG
+ *
+ * Enable debugging of buffer allocator memory issues. Automatically prints
+ * (to stderr) all (fatal) messages on memory allocation issues. Enables
+ * function for 'debug output' of allocated memory.
+ *
+ * Requires: POLARSSL_MEMORY_BUFFER_ALLOC_C
+ *
+ * Uncomment this macro to let the buffer allocator print out error messages.
+ */
+#define POLARSSL_MEMORY_DEBUG
+
+/**
+ * \def POLARSSL_MEMORY_BACKTRACE
+ *
+ * Include backtrace information with each allocated block.
+ *
+ * Requires: POLARSSL_MEMORY_BUFFER_ALLOC_C
+ *           GLIBC-compatible backtrace() an backtrace_symbols() support
+ *
+ * Uncomment this macro to include backtrace information
+ */
+//#define POLARSSL_MEMORY_BACKTRACE
+
+/**
+ * \def POLARSSL_PKCS1_V15
+ *
+ * Enable support for PKCS#1 v1.5 encoding.
+ *
+ * Requires: POLARSSL_RSA_C
+ *
+ * This enables support for PKCS#1 v1.5 operations.
+ */
+//#define POLARSSL_PKCS1_V15
+
+/**
+ * \def POLARSSL_PKCS1_V21
+ *
+ * Enable support for PKCS#1 v2.1 encoding.
+ *
+ * Requires: POLARSSL_MD_C, POLARSSL_RSA_C
+ *
+ * This enables support for RSAES-OAEP and RSASSA-PSS operations.
+ */
+//#define POLARSSL_PKCS1_V21
+
+/**
+ * \def POLARSSL_RSA_NO_CRT
+ *
+ * Do not use the Chinese Remainder Theorem for the RSA private operation.
+ *
+ * Uncomment this macro to disable the use of CRT in RSA.
+ *
+ */
+//#define POLARSSL_RSA_NO_CRT
+
+/**
+ * \def POLARSSL_SELF_TEST
+ *
+ * Enable the checkup functions (*_self_test).
+ */
+#define POLARSSL_SELF_TEST
+
+/**
+ * \def POLARSSL_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, PolarSSL 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 POLARSSL_SSL_ALERT_MESSAGES
+
+/**
+ * \def POLARSSL_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 POLARSSL_SSL_DEBUG_ALL
+
+/**
+ * \def POLARSSL_SSL_HW_RECORD_ACCEL
+ *
+ * Enable hooking functions in SSL module for hardware acceleration of
+ * individual records.
+ *
+ * Uncomment this macro to enable hooking functions.
+ */
+//#define POLARSSL_SSL_HW_RECORD_ACCEL
+
+/**
+ * \def POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
+ *
+ * Enable support for receiving and parsing SSLv2 Client Hello messages for the
+ * SSL Server module (POLARSSL_SSL_SRV_C).
+ *
+ * Comment this macro to disable support for SSLv2 Client Hello messages.
+ */
+//#define POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
+
+/**
+ * \def POLARSSL_SSL_SRV_RESPECT_CLIENT_PREFERENCE
+ *
+ * Pick the ciphersuite according to the client's preferences rather than ours
+ * in the SSL Server module (POLARSSL_SSL_SRV_C).
+ *
+ * Uncomment this macro to respect client's ciphersuite order
+ */
+//#define POLARSSL_SSL_SRV_RESPECT_CLIENT_PREFERENCE
+
+/**
+ * \def POLARSSL_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 POLARSSL_SSL_MAX_FRAGMENT_LENGTH
+
+/**
+ * \def POLARSSL_SSL_PROTO_SSL3
+ *
+ * Enable support for SSL 3.0.
+ *
+ * Requires: POLARSSL_MD5_C
+ *           POLARSSL_SHA1_C
+ *
+ * Comment this macro to disable support for SSL 3.0
+ */
+//#define POLARSSL_SSL_PROTO_SSL3
+
+/**
+ * \def POLARSSL_SSL_PROTO_TLS1
+ *
+ * Enable support for TLS 1.0.
+ *
+ * Requires: POLARSSL_MD5_C
+ *           POLARSSL_SHA1_C
+ *
+ * Comment this macro to disable support for TLS 1.0
+ */
+//#define POLARSSL_SSL_PROTO_TLS1
+
+/**
+ * \def POLARSSL_SSL_PROTO_TLS1_1
+ *
+ * Enable support for TLS 1.1 (and DTLS 1.0 if DTLS is enabled).
+ *
+ * Requires: POLARSSL_MD5_C
+ *           POLARSSL_SHA1_C
+ *
+ * Comment this macro to disable support for TLS 1.1 / DTLS 1.0
+ */
+//#define POLARSSL_SSL_PROTO_TLS1_1
+
+/**
+ * \def POLARSSL_SSL_PROTO_TLS1_2
+ *
+ * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled).
+ *
+ * Requires: POLARSSL_SHA1_C or POLARSSL_SHA256_C or POLARSSL_SHA512_C
+ *           (Depends on ciphersuites)
+ *
+ * Comment this macro to disable support for TLS 1.2 / DTLS 1.2
+ */
+#define POLARSSL_SSL_PROTO_TLS1_2
+
+/**
+ * \def POLARSSL_SSL_PROTO_DTLS
+ *
+ * Enable support for DTLS (all available versions).
+ *
+ * Enable this and POLARSSL_SSL_PROTO_TLS11 to enable DTLS 1.0,
+ * and/or this and POLARSSL_SSL_PROTO_TLS12 to enable DTLS 1.2.
+ *
+ * Requires: POLARSSL_SSL_PROTO_TLS11
+ *        or POLARSSL_SSL_PROTO_TLS12
+ *
+ * Comment this macro to disable support for DTLS
+ */
+#define POLARSSL_SSL_PROTO_DTLS
+
+/**
+ * \def POLARSSL_SSL_SESSION_TICKETS
+ *
+ * Enable support for RFC 5077 session tickets in SSL.
+ *
+ * Requires: POLARSSL_AES_C
+ *           POLARSSL_SHA256_C
+ *           POLARSSL_CIPHER_MODE_CBC
+ *
+ * Comment this macro to disable support for SSL session tickets
+ */
+//#define POLARSSL_SSL_SESSION_TICKETS
+
+/**
+ * \def POLARSSL_SSL_SERVER_NAME_INDICATION
+ *
+ * Enable support for RFC 6066 server name indication (SNI) in SSL.
+ *
+ * Comment this macro to disable support for server name indication in SSL
+ */
+//#define POLARSSL_SSL_SERVER_NAME_INDICATION
+
+/**
+ * \def POLARSSL_SSL_TRUNCATED_HMAC
+ *
+ * Enable support for RFC 6066 truncated HMAC in SSL.
+ *
+ * Comment this macro to disable support for truncated HMAC in SSL
+ */
+#define POLARSSL_SSL_TRUNCATED_HMAC
+
+/**
+ * \def POLARSSL_SSL_SET_CURVES
+ *
+ * Enable ssl_set_curves().
+ *
+ * This is disabled by default since it breaks binary compatibility with the
+ * 1.3.x line. If you choose to enable it, you will need to rebuild your
+ * application against the new header files, relinking will not be enough.
+ * It will be enabled by default, or no longer an option, in the 1.4 branch.
+ *
+ * Uncomment to make ssl_set_curves() available.
+ */
+//#define POLARSSL_SSL_SET_CURVES
+
+/**
+ * \def POLARSSL_THREADING_ALT
+ *
+ * Provide your own alternate threading implementation.
+ *
+ * Requires: POLARSSL_THREADING_C
+ *
+ * Uncomment this to allow your own alternate threading implementation.
+ */
+//#define POLARSSL_THREADING_ALT
+
+/**
+ * \def POLARSSL_THREADING_PTHREAD
+ *
+ * Enable the pthread wrapper layer for the threading layer.
+ *
+ * Requires: POLARSSL_THREADING_C
+ *
+ * Uncomment this to enable pthread mutexes.
+ */
+//#define POLARSSL_THREADING_PTHREAD
+
+/**
+ * \def POLARSSL_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 POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
+
+/**
+ * \def POLARSSL_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.
+ *
+ * Uncomment to prevent an error.
+ */
+//#define POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
+
+/**
+ * \def POLARSSL_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.
+ *
+ * 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 POLARSSL_ZLIB_SUPPORT
+/* \} name SECTION: PolarSSL feature support */
+
+/**
+ * \name SECTION: PolarSSL modules
+ *
+ * This section enables or disables entire modules in PolarSSL
+ * \{
+ */
+
+/**
+ * \def POLARSSL_AESNI_C
+ *
+ * Enable AES-NI support on x86-64.
+ *
+ * Module:  library/aesni.c
+ * Caller:  library/aes.c
+ *
+ * Requires: POLARSSL_HAVE_ASM
+ *
+ * This modules adds support for the AES-NI instructions on x86-64
+ */
+//#define POLARSSL_AESNI_C
+
+/**
+ * \def POLARSSL_AES_C
+ *
+ * Enable the AES block cipher.
+ *
+ * Module:  library/aes.c
+ * Caller:  library/ssl_tls.c
+ *          library/pem.c
+ *          library/ctr_drbg.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ *      TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ *      TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ *      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
+ *      TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_DHE_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
+ *      TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
+ *      TLS_DHE_PSK_WITH_AES_128_CBC_SHA
+ *      TLS_RSA_WITH_AES_256_GCM_SHA384
+ *      TLS_RSA_WITH_AES_256_CBC_SHA256
+ *      TLS_RSA_WITH_AES_256_CBC_SHA
+ *      TLS_RSA_WITH_AES_128_GCM_SHA256
+ *      TLS_RSA_WITH_AES_128_CBC_SHA256
+ *      TLS_RSA_WITH_AES_128_CBC_SHA
+ *      TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
+ *      TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_RSA_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
+ *      TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_RSA_PSK_WITH_AES_128_CBC_SHA
+ *      TLS_PSK_WITH_AES_256_GCM_SHA384
+ *      TLS_PSK_WITH_AES_256_CBC_SHA384
+ *      TLS_PSK_WITH_AES_256_CBC_SHA
+ *      TLS_PSK_WITH_AES_128_GCM_SHA256
+ *      TLS_PSK_WITH_AES_128_CBC_SHA256
+ *      TLS_PSK_WITH_AES_128_CBC_SHA
+ *
+ * PEM_PARSE uses AES for decrypting encrypted keys.
+ */
+#define POLARSSL_AES_C
+
+/**
+ * \def POLARSSL_ARC4_C
+ *
+ * Enable the ARCFOUR stream cipher.
+ *
+ * Module:  library/arc4.c
+ * Caller:  library/ssl_tls.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+ *      TLS_ECDH_RSA_WITH_RC4_128_SHA
+ *      TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+ *      TLS_ECDHE_RSA_WITH_RC4_128_SHA
+ *      TLS_ECDHE_PSK_WITH_RC4_128_SHA
+ *      TLS_DHE_PSK_WITH_RC4_128_SHA
+ *      TLS_RSA_WITH_RC4_128_SHA
+ *      TLS_RSA_WITH_RC4_128_MD5
+ *      TLS_RSA_PSK_WITH_RC4_128_SHA
+ *      TLS_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_ARC4_C
+
+/**
+ * \def POLARSSL_ASN1_PARSE_C
+ *
+ * Enable the generic ASN1 parser.
+ *
+ * Module:  library/asn1.c
+ * Caller:  library/x509.c
+ *          library/dhm.c
+ *          library/pkcs12.c
+ *          library/pkcs5.c
+ *          library/pkparse.c
+ */
+//#define POLARSSL_ASN1_PARSE_C
+
+/**
+ * \def POLARSSL_ASN1_WRITE_C
+ *
+ * Enable the generic ASN1 writer.
+ *
+ * Module:  library/asn1write.c
+ * Caller:  library/ecdsa.c
+ *          library/pkwrite.c
+ *          library/x509_create.c
+ *          library/x509write_crt.c
+ *          library/x509write_csr.c
+ */
+//#define POLARSSL_ASN1_WRITE_C
+
+/**
+ * \def POLARSSL_BASE64_C
+ *
+ * Enable the Base64 module.
+ *
+ * Module:  library/base64.c
+ * Caller:  library/pem.c
+ *
+ * This module is required for PEM support (required by X.509).
+ */
+//#define POLARSSL_BASE64_C
+
+/**
+ * \def POLARSSL_BIGNUM_C
+ *
+ * Enable the multi-precision integer library.
+ *
+ * Module:  library/bignum.c
+ * Caller:  library/dhm.c
+ *          library/ecp.c
+ *          library/rsa.c
+ *          library/ssl_tls.c
+ *
+ * This module is required for RSA and DHM support.
+ */
+//#define POLARSSL_BIGNUM_C
+
+/**
+ * \def POLARSSL_BLOWFISH_C
+ *
+ * Enable the Blowfish block cipher.
+ *
+ * Module:  library/blowfish.c
+ */
+//#define POLARSSL_BLOWFISH_C
+
+/**
+ * \def POLARSSL_CAMELLIA_C
+ *
+ * Enable the Camellia block cipher.
+ *
+ * Module:  library/camellia.c
+ * Caller:  library/ssl_tls.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
+ *      TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ *      TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
+ *      TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
+ *      TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ *      TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ *      TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ *      TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ *      TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ */
+//#define POLARSSL_CAMELLIA_C
+
+/**
+ * \def POLARSSL_CERTS_C
+ *
+ * Enable the test certificates.
+ *
+ * Module:  library/certs.c
+ * Caller:
+ *
+ * Requires: POLARSSL_PEM_PARSE_C
+ *
+ * This module is used for testing (ssl_client/server).
+ */
+//#define POLARSSL_CERTS_C
+
+/**
+ * \def POLARSSL_CIPHER_C
+ *
+ * Enable the generic cipher layer.
+ *
+ * Module:  library/cipher.c
+ * Caller:  library/ssl_tls.c
+ *
+ * Uncomment to enable generic cipher wrappers.
+ */
+#define POLARSSL_CIPHER_C
+
+/**
+ * \def POLARSSL_CTR_DRBG_C
+ *
+ * Enable the CTR_DRBG AES-256-based random generator.
+ *
+ * Module:  library/ctr_drbg.c
+ * Caller:
+ *
+ * Requires: POLARSSL_AES_C
+ *
+ * This module provides the CTR_DRBG AES-256 random number generator.
+ */
+//#define POLARSSL_CTR_DRBG_C
+
+/**
+ * \def POLARSSL_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 POLARSSL_DEBUG_C
+
+/**
+ * \def POLARSSL_DES_C
+ *
+ * Enable the DES block cipher.
+ *
+ * Module:  library/des.c
+ * Caller:  library/pem.c
+ *          library/ssl_tls.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
+ *      TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
+ *      TLS_RSA_WITH_3DES_EDE_CBC_SHA
+ *      TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
+ *      TLS_PSK_WITH_3DES_EDE_CBC_SHA
+ *
+ * PEM_PARSE uses DES/3DES for decrypting encrypted keys.
+ */
+//#define POLARSSL_DES_C
+
+/**
+ * \def POLARSSL_DHM_C
+ *
+ * Enable the Diffie-Hellman-Merkle module.
+ *
+ * Module:  library/dhm.c
+ * Caller:  library/ssl_cli.c
+ *          library/ssl_srv.c
+ *
+ * This module is used by the following key exchanges:
+ *      DHE-RSA, DHE-PSK
+ */
+//#define POLARSSL_DHM_C
+
+/**
+ * \def POLARSSL_ECDH_C
+ *
+ * Enable the elliptic curve Diffie-Hellman library.
+ *
+ * Module:  library/ecdh.c
+ * Caller:  library/ssl_cli.c
+ *          library/ssl_srv.c
+ *
+ * This module is used by the following key exchanges:
+ *      ECDHE-ECDSA, ECDHE-RSA, DHE-PSK
+ *
+ * Requires: POLARSSL_ECP_C
+ */
+//#define POLARSSL_ECDH_C
+
+/**
+ * \def POLARSSL_ECDSA_C
+ *
+ * Enable the elliptic curve DSA library.
+ *
+ * Module:  library/ecdsa.c
+ * Caller:
+ *
+ * This module is used by the following key exchanges:
+ *      ECDHE-ECDSA
+ *
+ * Requires: POLARSSL_ECP_C, POLARSSL_ASN1_WRITE_C, POLARSSL_ASN1_PARSE_C
+ */
+//#define POLARSSL_ECDSA_C
+
+/**
+ * \def POLARSSL_ECP_C
+ *
+ * Enable the elliptic curve over GF(p) library.
+ *
+ * Module:  library/ecp.c
+ * Caller:  library/ecdh.c
+ *          library/ecdsa.c
+ *
+ * Requires: POLARSSL_BIGNUM_C and at least one POLARSSL_ECP_DP_XXX_ENABLED
+ */
+//#define POLARSSL_ECP_C
+
+/**
+ * \def POLARSSL_ENTROPY_C
+ *
+ * Enable the platform-specific entropy code.
+ *
+ * Module:  library/entropy.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SHA512_C or POLARSSL_SHA256_C
+ *
+ * This module provides a generic entropy pool
+ */
+//#define POLARSSL_ENTROPY_C
+
+/**
+ * \def POLARSSL_ERROR_C
+ *
+ * Enable error code to error string conversion.
+ *
+ * Module:  library/error.c
+ * Caller:
+ *
+ * This module enables err_strerror().
+ */
+//#define POLARSSL_ERROR_C
+
+/**
+ * \def POLARSSL_GCM_C
+ *
+ * Enable the Galois/Counter Mode (GCM) for AES.
+ *
+ * Module:  library/gcm.c
+ *
+ * Requires: POLARSSL_AES_C or POLARSSL_CAMELLIA_C
+ *
+ * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other
+ * requisites are enabled as well.
+ */
+#define POLARSSL_GCM_C
+
+/**
+ * \def POLARSSL_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: POLARSSL_TIMING_C
+ *
+ * Uncomment to enable the HAVEGE random generator.
+ */
+//#define POLARSSL_HAVEGE_C
+
+/**
+ * \def POLARSSL_HMAC_DRBG_C
+ *
+ * Enable the HMAC_DRBG random generator.
+ *
+ * Module:  library/hmac_drbg.c
+ * Caller:
+ *
+ * Requires: POLARSSL_MD_C
+ *
+ * Uncomment to enable the HMAC_DRBG random number geerator.
+ */
+//#define POLARSSL_HMAC_DRBG_C
+
+/**
+ * \def POLARSSL_MD_C
+ *
+ * Enable the generic message digest layer.
+ *
+ * Module:  library/md.c
+ * Caller:
+ *
+ * Uncomment to enable generic message digest wrappers.
+ */
+#define POLARSSL_MD_C
+
+/**
+ * \def POLARSSL_MD2_C
+ *
+ * Enable the MD2 hash algorithm.
+ *
+ * Module:  library/md2.c
+ * Caller:
+ *
+ * Uncomment to enable support for (rare) MD2-signed X.509 certs.
+ */
+//#define POLARSSL_MD2_C
+
+/**
+ * \def POLARSSL_MD4_C
+ *
+ * Enable the MD4 hash algorithm.
+ *
+ * Module:  library/md4.c
+ * Caller:
+ *
+ * Uncomment to enable support for (rare) MD4-signed X.509 certs.
+ */
+//#define POLARSSL_MD4_C
+
+/**
+ * \def POLARSSL_MD5_C
+ *
+ * Enable the MD5 hash algorithm.
+ *
+ * Module:  library/md5.c
+ * Caller:  library/md.c
+ *          library/pem.c
+ *          library/ssl_tls.c
+ *
+ * This module is required for SSL/TLS and X.509.
+ * PEM_PARSE uses MD5 for decrypting encrypted keys.
+ */
+//#define POLARSSL_MD5_C
+
+/**
+ * \def POLARSSL_MEMORY_C
+ * Deprecated since 1.3.5. Please use POLARSSL_PLATFORM_MEMORY instead.
+ */
+//#define POLARSSL_MEMORY_C
+
+/**
+ * \def POLARSSL_MEMORY_BUFFER_ALLOC_C
+ *
+ * Enable the buffer allocator implementation that makes use of a (stack)
+ * based buffer to 'allocate' dynamic memory. (replaces malloc() and free()
+ * calls)
+ *
+ * Module:  library/memory_buffer_alloc.c
+ *
+ * Requires: POLARSSL_PLATFORM_C
+ *           POLARSSL_PLATFORM_MEMORY (to use it within PolarSSL)
+ *
+ * Enable this module to enable the buffer memory allocator.
+ */
+//#define POLARSSL_MEMORY_BUFFER_ALLOC_C
+
+/**
+ * \def POLARSSL_NET_C
+ *
+ * Enable the TCP/IP networking routines.
+ *
+ * Module:  library/net.c
+ *
+ * This module provides TCP/IP networking routines.
+ */
+//#define POLARSSL_NET_C
+
+/**
+ * \def POLARSSL_OID_C
+ *
+ * Enable the OID database.
+ *
+ * Module:  library/oid.c
+ * Caller:  library/asn1write.c
+ *          library/pkcs5.c
+ *          library/pkparse.c
+ *          library/pkwrite.c
+ *          library/rsa.c
+ *          library/x509.c
+ *          library/x509_create.c
+ *          library/x509_crl.c
+ *          library/x509_crt.c
+ *          library/x509_csr.c
+ *          library/x509write_crt.c
+ *          library/x509write_csr.c
+ *
+ * This modules translates between OIDs and internal values.
+ */
+//#define POLARSSL_OID_C
+
+/**
+ * \def POLARSSL_PADLOCK_C
+ *
+ * Enable VIA Padlock support on x86.
+ *
+ * Module:  library/padlock.c
+ * Caller:  library/aes.c
+ *
+ * Requires: POLARSSL_HAVE_ASM
+ *
+ * This modules adds support for the VIA PadLock on x86.
+ */
+//#define POLARSSL_PADLOCK_C
+
+/**
+ * \def POLARSSL_PBKDF2_C
+ *
+ * Enable PKCS#5 PBKDF2 key derivation function.
+ * DEPRECATED: Use POLARSSL_PKCS5_C instead
+ *
+ * Module:  library/pbkdf2.c
+ *
+ * Requires: POLARSSL_PKCS5_C
+ *
+ * This module adds support for the PKCS#5 PBKDF2 key derivation function.
+ */
+//#define POLARSSL_PBKDF2_C
+
+/**
+ * \def POLARSSL_PEM_PARSE_C
+ *
+ * Enable PEM decoding / parsing.
+ *
+ * Module:  library/pem.c
+ * Caller:  library/dhm.c
+ *          library/pkparse.c
+ *          library/x509_crl.c
+ *          library/x509_crt.c
+ *          library/x509_csr.c
+ *
+ * Requires: POLARSSL_BASE64_C
+ *
+ * This modules adds support for decoding / parsing PEM files.
+ */
+//#define POLARSSL_PEM_PARSE_C
+
+/**
+ * \def POLARSSL_PEM_WRITE_C
+ *
+ * Enable PEM encoding / writing.
+ *
+ * Module:  library/pem.c
+ * Caller:  library/pkwrite.c
+ *          library/x509write_crt.c
+ *          library/x509write_csr.c
+ *
+ * Requires: POLARSSL_BASE64_C
+ *
+ * This modules adds support for encoding / writing PEM files.
+ */
+//#define POLARSSL_PEM_WRITE_C
+
+/**
+ * \def POLARSSL_PK_C
+ *
+ * Enable the generic public (asymetric) key layer.
+ *
+ * Module:  library/pk.c
+ * Caller:  library/ssl_tls.c
+ *          library/ssl_cli.c
+ *          library/ssl_srv.c
+ *
+ * Requires: POLARSSL_RSA_C or POLARSSL_ECP_C
+ *
+ * Uncomment to enable generic public key wrappers.
+ */
+//#define POLARSSL_PK_C
+
+/**
+ * \def POLARSSL_PK_PARSE_C
+ *
+ * Enable the generic public (asymetric) key parser.
+ *
+ * Module:  library/pkparse.c
+ * Caller:  library/x509_crt.c
+ *          library/x509_csr.c
+ *
+ * Requires: POLARSSL_PK_C
+ *
+ * Uncomment to enable generic public key parse functions.
+ */
+//#define POLARSSL_PK_PARSE_C
+
+/**
+ * \def POLARSSL_PK_WRITE_C
+ *
+ * Enable the generic public (asymetric) key writer.
+ *
+ * Module:  library/pkwrite.c
+ * Caller:  library/x509write.c
+ *
+ * Requires: POLARSSL_PK_C
+ *
+ * Uncomment to enable generic public key write functions.
+ */
+//#define POLARSSL_PK_WRITE_C
+
+/**
+ * \def POLARSSL_PKCS5_C
+ *
+ * Enable PKCS#5 functions.
+ *
+ * Module:  library/pkcs5.c
+ *
+ * Requires: POLARSSL_MD_C
+ *
+ * This module adds support for the PKCS#5 functions.
+ */
+//#define POLARSSL_PKCS5_C
+
+/**
+ * \def POLARSSL_PKCS11_C
+ *
+ * Enable wrapper for PKCS#11 smartcard support.
+ *
+ * Module:  library/pkcs11.c
+ * Caller:  library/pk.c
+ *
+ * Requires: POLARSSL_PK_C
+ *
+ * This module enables SSL/TLS PKCS #11 smartcard support.
+ * Requires the presence of the PKCS#11 helper library (libpkcs11-helper)
+ */
+//#define POLARSSL_PKCS11_C
+
+/**
+ * \def POLARSSL_PKCS12_C
+ *
+ * Enable PKCS#12 PBE functions.
+ * Adds algorithms for parsing PKCS#8 encrypted private keys
+ *
+ * Module:  library/pkcs12.c
+ * Caller:  library/pkparse.c
+ *
+ * Requires: POLARSSL_ASN1_PARSE_C, POLARSSL_CIPHER_C, POLARSSL_MD_C
+ * Can use:  POLARSSL_ARC4_C
+ *
+ * This module enables PKCS#12 functions.
+ */
+//#define POLARSSL_PKCS12_C
+
+/**
+ * \def POLARSSL_PLATFORM_C
+ *
+ * Enable the platform abstraction layer that allows you to re-assign
+ * functions like malloc(), free(), printf(), fprintf()
+ *
+ * Module:  library/platform.c
+ * Caller:  Most other .c files
+ *
+ * This module enables abstraction of common (libc) functions.
+ */
+#define POLARSSL_PLATFORM_C
+
+/**
+ * \def POLARSSL_RIPEMD160_C
+ *
+ * Enable the RIPEMD-160 hash algorithm.
+ *
+ * Module:  library/ripemd160.c
+ * Caller:  library/md.c
+ *
+ */
+//#define POLARSSL_RIPEMD160_C
+
+/**
+ * \def POLARSSL_RSA_C
+ *
+ * Enable the RSA public-key cryptosystem.
+ *
+ * Module:  library/rsa.c
+ * Caller:  library/ssl_cli.c
+ *          library/ssl_srv.c
+ *          library/ssl_tls.c
+ *          library/x509.c
+ *
+ * This module is used by the following key exchanges:
+ *      RSA, DHE-RSA, ECDHE-RSA, RSA-PSK
+ *
+ * Requires: POLARSSL_BIGNUM_C, POLARSSL_OID_C
+ */
+//#define POLARSSL_RSA_C
+
+/**
+ * \def POLARSSL_SHA1_C
+ *
+ * Enable the SHA1 cryptographic hash algorithm.
+ *
+ * Module:  library/sha1.c
+ * Caller:  library/md.c
+ *          library/ssl_cli.c
+ *          library/ssl_srv.c
+ *          library/ssl_tls.c
+ *          library/x509write_crt.c
+ *
+ * This module is required for SSL/TLS and SHA1-signed certificates.
+ */
+//#define POLARSSL_SHA1_C
+
+/**
+ * \def POLARSSL_SHA256_C
+ *
+ * Enable the SHA-224 and SHA-256 cryptographic hash algorithms.
+ * (Used to be POLARSSL_SHA2_C)
+ *
+ * Module:  library/sha256.c
+ * Caller:  library/entropy.c
+ *          library/md.c
+ *          library/ssl_cli.c
+ *          library/ssl_srv.c
+ *          library/ssl_tls.c
+ *
+ * This module adds support for SHA-224 and SHA-256.
+ * This module is required for the SSL/TLS 1.2 PRF function.
+ */
+#define POLARSSL_SHA256_C
+
+/**
+ * \def POLARSSL_SHA512_C
+ *
+ * Enable the SHA-384 and SHA-512 cryptographic hash algorithms.
+ * (Used to be POLARSSL_SHA4_C)
+ *
+ * Module:  library/sha512.c
+ * Caller:  library/entropy.c
+ *          library/md.c
+ *          library/ssl_cli.c
+ *          library/ssl_srv.c
+ *
+ * This module adds support for SHA-384 and SHA-512.
+ */
+//#define POLARSSL_SHA512_C
+
+/**
+ * \def POLARSSL_SSL_CACHE_C
+ *
+ * Enable simple SSL cache implementation.
+ *
+ * Module:  library/ssl_cache.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SSL_CACHE_C
+ */
+#define POLARSSL_SSL_CACHE_C
+
+/**
+ * \def POLARSSL_SSL_CLI_C
+ *
+ * Enable the SSL/TLS client code.
+ *
+ * Module:  library/ssl_cli.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SSL_TLS_C
+ *
+ * This module is required for SSL/TLS client support.
+ */
+#define POLARSSL_SSL_CLI_C
+
+/**
+ * \def POLARSSL_SSL_SRV_C
+ *
+ * Enable the SSL/TLS server code.
+ *
+ * Module:  library/ssl_srv.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SSL_TLS_C
+ *
+ * This module is required for SSL/TLS server support.
+ */
+//#define POLARSSL_SSL_SRV_C
+
+/**
+ * \def POLARSSL_SSL_TLS_C
+ *
+ * Enable the generic SSL/TLS code.
+ *
+ * Module:  library/ssl_tls.c
+ * Caller:  library/ssl_cli.c
+ *          library/ssl_srv.c
+ *
+ * Requires: POLARSSL_CIPHER_C, POLARSSL_MD_C
+ *           and at least one of the POLARSSL_SSL_PROTO_* defines
+ *
+ * This module is required for SSL/TLS.
+ */
+#define POLARSSL_SSL_TLS_C
+
+/**
+ * \def POLARSSL_THREADING_C
+ *
+ * Enable the threading abstraction layer.
+ * By default PolarSSL assumes it is used in a non-threaded environment or that
+ * contexts are not shared between threads. If you do intend to use contexts
+ * between threads, you will need to enable this layer to prevent race
+ * conditions.
+ *
+ * Module:  library/threading.c
+ *
+ * This allows different threading implementations (self-implemented or
+ * provided).
+ *
+ * You will have to enable either POLARSSL_THREADING_ALT or
+ * POLARSSL_THREADING_PTHREAD.
+ *
+ * Enable this layer to allow use of mutexes within PolarSSL
+ */
+//#define POLARSSL_THREADING_C
+
+/**
+ * \def POLARSSL_TIMING_C
+ *
+ * Enable the portable timing interface.
+ *
+ * Module:  library/timing.c
+ * Caller:  library/havege.c
+ *
+ * This module is used by the HAVEGE random number generator.
+ */
+//#define POLARSSL_TIMING_C
+
+/**
+ * \def POLARSSL_VERSION_C
+ *
+ * Enable run-time version information.
+ *
+ * Module:  library/version.c
+ *
+ * This module provides run-time version information.
+ */
+//#define POLARSSL_VERSION_C
+
+/**
+ * \def POLARSSL_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: POLARSSL_ASN1_PARSE_C, POLARSSL_BIGNUM_C, POLARSSL_OID_C,
+ *           POLARSSL_PK_PARSE_C
+ *
+ * This module is required for the X.509 parsing modules.
+ */
+//#define POLARSSL_X509_USE_C
+
+/**
+ * \def POLARSSL_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: POLARSSL_X509_USE_C
+ *
+ * This module is required for X.509 certificate parsing.
+ */
+//#define POLARSSL_X509_CRT_PARSE_C
+
+/**
+ * \def POLARSSL_X509_CRL_PARSE_C
+ *
+ * Enable X.509 CRL parsing.
+ *
+ * Module:  library/x509_crl.c
+ * Caller:  library/x509_crt.c
+ *
+ * Requires: POLARSSL_X509_USE_C
+ *
+ * This module is required for X.509 CRL parsing.
+ */
+//#define POLARSSL_X509_CRL_PARSE_C
+
+/**
+ * \def POLARSSL_X509_CSR_PARSE_C
+ *
+ * Enable X.509 Certificate Signing Request (CSR) parsing.
+ *
+ * Module:  library/x509_csr.c
+ * Caller:  library/x509_crt_write.c
+ *
+ * Requires: POLARSSL_X509_USE_C
+ *
+ * This module is used for reading X.509 certificate request.
+ */
+//#define POLARSSL_X509_CSR_PARSE_C
+
+/**
+ * \def POLARSSL_X509_CREATE_C
+ *
+ * Enable X.509 core for creating certificates.
+ *
+ * Module:  library/x509_create.c
+ *
+ * Requires: POLARSSL_BIGNUM_C, POLARSSL_OID_C, POLARSSL_PK_WRITE_C
+ *
+ * This module is the basis for creating X.509 certificates and CSRs.
+ */
+//#define POLARSSL_X509_CREATE_C
+
+/**
+ * \def POLARSSL_X509_CRT_WRITE_C
+ *
+ * Enable creating X.509 certificates.
+ *
+ * Module:  library/x509_crt_write.c
+ *
+ * Requires: POLARSSL_CREATE_C
+ *
+ * This module is required for X.509 certificate creation.
+ */
+//#define POLARSSL_X509_CRT_WRITE_C
+
+/**
+ * \def POLARSSL_X509_CSR_WRITE_C
+ *
+ * Enable creating X.509 Certificate Signing Requests (CSR).
+ *
+ * Module:  library/x509_csr_write.c
+ *
+ * Requires: POLARSSL_CREATE_C
+ *
+ * This module is required for X.509 certificate request writing.
+ */
+//#define POLARSSL_X509_CSR_WRITE_C
+
+/**
+ * \def POLARSSL_XTEA_C
+ *
+ * Enable the XTEA block cipher.
+ *
+ * Module:  library/xtea.c
+ * Caller:
+ */
+//#define POLARSSL_XTEA_C
+
+/* \} name SECTION: PolarSSL modules */
+
+/**
+ * \name SECTION: Module configuration options
+ *
+ * This section allows for the setting of module specific sizes and
+ * configuration options. The default values are already present in the
+ * relevant header files and should suffice for the regular use cases.
+ * Our advice is to enable POLARSSL_CONFIG_OPTIONS and change values here
+ * only if you have a good reason and know the consequences.
+ *
+ * If POLARSSL_CONFIG_OPTIONS is undefined here the options in the module
+ * header file take precedence.
+ *
+ * Please check the respective header file for documentation on these
+ * parameters (to prevent duplicate documentation).
+ *
+ * Uncomment POLARSSL_CONFIG_OPTIONS to enable using the values defined here.
+ * \{
+ */
+#define POLARSSL_CONFIG_OPTIONS   /**< Enable config.h module value configuration */
+
+#if defined(POLARSSL_CONFIG_OPTIONS)
+
+// MPI / BIGNUM options
+//
+#define POLARSSL_MPI_WINDOW_SIZE            6 /**< Maximum windows size used. */
+#define POLARSSL_MPI_MAX_SIZE             512 /**< Maximum number of bytes for usable MPIs. */
+
+// CTR_DRBG options
+//
+#define CTR_DRBG_ENTROPY_LEN               48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */
+#define CTR_DRBG_RESEED_INTERVAL        10000 /**< Interval before reseed is performed by default */
+#define CTR_DRBG_MAX_INPUT                256 /**< Maximum number of additional input bytes */
+#define CTR_DRBG_MAX_REQUEST             1024 /**< Maximum number of requested bytes per call */
+#define CTR_DRBG_MAX_SEED_INPUT           384 /**< Maximum size of (re)seed buffer */
+
+// HMAC_DRBG options
+//
+#define POLARSSL_HMAC_DRBG_RESEED_INTERVAL   10000 /**< Interval before reseed is performed by default */
+#define POLARSSL_HMAC_DRBG_MAX_INPUT           256 /**< Maximum number of additional input bytes */
+#define POLARSSL_HMAC_DRBG_MAX_REQUEST        1024 /**< Maximum number of requested bytes per call */
+#define POLARSSL_HMAC_DRBG_MAX_SEED_INPUT      384 /**< Maximum size of (re)seed buffer */
+
+// ECP options
+//
+#define POLARSSL_ECP_MAX_BITS             521 /**< Maximum bit size of groups */
+#define POLARSSL_ECP_WINDOW_SIZE            6 /**< Maximum window size used */
+#define POLARSSL_ECP_FIXED_POINT_OPTIM      1 /**< Enable fixed-point speed-up */
+
+// Entropy options
+//
+#define ENTROPY_MAX_SOURCES                20 /**< Maximum number of sources supported */
+#define ENTROPY_MAX_GATHER                128 /**< Maximum amount requested from entropy sources */
+
+// Memory buffer allocator options
+#define MEMORY_ALIGN_MULTIPLE               4 /**< Align on multiples of this value */
+
+// Platform options
+#define POLARSSL_PLATFORM_STD_MALLOC   malloc /**< Default allocator to use, can be undefined */
+#define POLARSSL_PLATFORM_STD_FREE       free /**< Default free to use, can be undefined */
+#define POLARSSL_PLATFORM_STD_PRINTF   printf /**< Default printf to use, can be undefined */
+#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */
+
+// SSL Cache options
+//
+#define SSL_CACHE_DEFAULT_TIMEOUT       86400 /**< 1 day  */
+#define SSL_CACHE_DEFAULT_MAX_ENTRIES      50 /**< Maximum entries in cache */
+
+// SSL options
+//
+//#define SSL_MAX_CONTENT_LEN             16384 /**< Size of the input / output buffer */
+#define SSL_MAX_CONTENT_LEN             1024 /**< Size of the input / output buffer */
+#define SSL_DEFAULT_TICKET_LIFETIME     86400 /**< Lifetime of session tickets (if enabled) */
+
+#endif /* POLARSSL_CONFIG_OPTIONS */
+
+/* \} name */
+
+/*
+ * Sanity checks on defines and dependencies
+ */
+#if defined(POLARSSL_AESNI_C) && !defined(POLARSSL_HAVE_ASM)
+#error "POLARSSL_AESNI_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_CERTS_C) && !defined(POLARSSL_PEM_PARSE_C)
+#error "POLARSSL_CERTS_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_CTR_DRBG_C) && !defined(POLARSSL_AES_C)
+#error "POLARSSL_CTR_DRBG_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_DHM_C) && !defined(POLARSSL_BIGNUM_C)
+#error "POLARSSL_DHM_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECDH_C) && !defined(POLARSSL_ECP_C)
+#error "POLARSSL_ECDH_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECDSA_C) &&            \
+    ( !defined(POLARSSL_ECP_C) ||           \
+      !defined(POLARSSL_ASN1_PARSE_C) ||    \
+      !defined(POLARSSL_ASN1_WRITE_C) )
+#error "POLARSSL_ECDSA_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECDSA_DETERMINISTIC) && !defined(POLARSSL_HMAC_DRBG_C)
+#error "POLARSSL_ECDSA_DETERMINISTIC defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECP_C) && ( !defined(POLARSSL_BIGNUM_C) || (   \
+    !defined(POLARSSL_ECP_DP_SECP192R1_ENABLED) &&                  \
+    !defined(POLARSSL_ECP_DP_SECP224R1_ENABLED) &&                  \
+    !defined(POLARSSL_ECP_DP_SECP256R1_ENABLED) &&                  \
+    !defined(POLARSSL_ECP_DP_SECP384R1_ENABLED) &&                  \
+    !defined(POLARSSL_ECP_DP_SECP521R1_ENABLED) &&                  \
+    !defined(POLARSSL_ECP_DP_BP256R1_ENABLED)   &&                  \
+    !defined(POLARSSL_ECP_DP_BP384R1_ENABLED)   &&                  \
+    !defined(POLARSSL_ECP_DP_BP512R1_ENABLED)   &&                  \
+    !defined(POLARSSL_ECP_DP_M255_ENABLED)      &&                  \
+    !defined(POLARSSL_ECP_DP_SECP192K1_ENABLED) &&                  \
+    !defined(POLARSSL_ECP_DP_SECP224K1_ENABLED) &&                  \
+    !defined(POLARSSL_ECP_DP_SECP256K1_ENABLED) ) )
+#error "POLARSSL_ECP_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ENTROPY_C) && (!defined(POLARSSL_SHA512_C) &&      \
+                                    !defined(POLARSSL_SHA256_C))
+#error "POLARSSL_ENTROPY_C defined, but not all prerequisites"
+#endif
+#if defined(POLARSSL_ENTROPY_C) && defined(POLARSSL_SHA512_C) &&         \
+    defined(POLARSSL_CONFIG_OPTIONS) && (CTR_DRBG_ENTROPY_LEN > 64)
+#error "CTR_DRBG_ENTROPY_LEN value too high"
+#endif
+#if defined(POLARSSL_ENTROPY_C) && !defined(POLARSSL_SHA512_C) &&        \
+    defined(POLARSSL_CONFIG_OPTIONS) && (CTR_DRBG_ENTROPY_LEN > 32)
+#error "CTR_DRBG_ENTROPY_LEN value too high"
+#endif
+#if defined(POLARSSL_ENTROPY_C) && \
+    defined(POLARSSL_ENTROPY_FORCE_SHA256) && !defined(POLARSSL_SHA256_C)
+#error "POLARSSL_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_GCM_C) && (                                        \
+        !defined(POLARSSL_AES_C) && !defined(POLARSSL_CAMELLIA_C) )
+#error "POLARSSL_GCM_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_HAVEGE_C) && !defined(POLARSSL_TIMING_C)
+#error "POLARSSL_HAVEGE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_HMAC_DRBG) && !defined(POLARSSL_MD_C)
+#error "POLARSSL_HMAC_DRBG_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
+    ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_X509_CRT_PARSE_C) )
+#error "POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
+    ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_X509_CRT_PARSE_C) )
+#error "POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(POLARSSL_DHM_C)
+#error "POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
+    !defined(POLARSSL_ECDH_C)
+#error "POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
+    ( !defined(POLARSSL_DHM_C) || !defined(POLARSSL_RSA_C) ||           \
+      !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
+    ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_RSA_C) ||          \
+      !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
+    ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_ECDSA_C) ||          \
+      !defined(POLARSSL_X509_CRT_PARSE_C) )
+#error "POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
+    ( !defined(POLARSSL_RSA_C) || !defined(POLARSSL_X509_CRT_PARSE_C) ||\
+      !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED) &&                       \
+    ( !defined(POLARSSL_RSA_C) || !defined(POLARSSL_X509_CRT_PARSE_C) ||\
+      !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C) &&                          \
+    ( !defined(POLARSSL_PLATFORM_C) || !defined(POLARSSL_PLATFORM_MEMORY) )
+#error "POLARSSL_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PADLOCK_C) && !defined(POLARSSL_HAVE_ASM)
+#error "POLARSSL_PADLOCK_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PBKDF2_C) && !defined(POLARSSL_MD_C)
+#error "POLARSSL_PBKDF2_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PEM_PARSE_C) && !defined(POLARSSL_BASE64_C)
+#error "POLARSSL_PEM_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PEM_WRITE_C) && !defined(POLARSSL_BASE64_C)
+#error "POLARSSL_PEM_WRITE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PK_PARSE_C) && !defined(POLARSSL_PK_C)
+#error "POLARSSL_PK_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PK_WRITE_C) && !defined(POLARSSL_PK_C)
+#error "POLARSSL_PK_WRITE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PKCS11_C) && !defined(POLARSSL_PK_C)
+#error "POLARSSL_PKCS11_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_RSA_C) && ( !defined(POLARSSL_BIGNUM_C) ||         \
+    !defined(POLARSSL_OID_C) )
+#error "POLARSSL_RSA_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_SSL3) && ( !defined(POLARSSL_MD5_C) ||     \
+    !defined(POLARSSL_SHA1_C) )
+#error "POLARSSL_SSL_PROTO_SSL3 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_TLS1) && ( !defined(POLARSSL_MD5_C) ||     \
+    !defined(POLARSSL_SHA1_C) )
+#error "POLARSSL_SSL_PROTO_TLS1 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_TLS1_1) && ( !defined(POLARSSL_MD5_C) ||     \
+    !defined(POLARSSL_SHA1_C) )
+#error "POLARSSL_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_TLS1_2) && ( !defined(POLARSSL_SHA1_C) &&     \
+    !defined(POLARSSL_SHA256_C) && !defined(POLARSSL_SHA512_C) )
+#error "POLARSSL_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_DTLS) && (       \
+    !defined(POLARSSL_SSL_PROTO_TLS1_1) &&      \
+    !defined(POLARSSL_SSL_PROTO_TLS1_2) )
+#error "POLARSSL_SSL_PROTO_DTLS defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_CLI_C) && !defined(POLARSSL_SSL_TLS_C)
+#error "POLARSSL_SSL_CLI_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && ( !defined(POLARSSL_CIPHER_C) ||     \
+    !defined(POLARSSL_MD_C) )
+#error "POLARSSL_SSL_TLS_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_SRV_C) && !defined(POLARSSL_SSL_TLS_C)
+#error "POLARSSL_SSL_SRV_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (!defined(POLARSSL_SSL_PROTO_SSL3) && \
+    !defined(POLARSSL_SSL_PROTO_TLS1) && !defined(POLARSSL_SSL_PROTO_TLS1_1) && \
+    !defined(POLARSSL_SSL_PROTO_TLS1_2))
+#error "POLARSSL_SSL_TLS_C defined, but no protocols are active"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (defined(POLARSSL_SSL_PROTO_SSL3) && \
+    defined(POLARSSL_SSL_PROTO_TLS1_1) && !defined(POLARSSL_SSL_PROTO_TLS1))
+#error "Illegal protocol selection"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (defined(POLARSSL_SSL_PROTO_TLS1) && \
+    defined(POLARSSL_SSL_PROTO_TLS1_2) && !defined(POLARSSL_SSL_PROTO_TLS1_1))
+#error "Illegal protocol selection"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (defined(POLARSSL_SSL_PROTO_SSL3) && \
+    defined(POLARSSL_SSL_PROTO_TLS1_2) && (!defined(POLARSSL_SSL_PROTO_TLS1) || \
+    !defined(POLARSSL_SSL_PROTO_TLS1_1)))
+#error "Illegal protocol selection"
+#endif
+
+#if defined(POLARSSL_SSL_SESSION_TICKETS) && defined(POLARSSL_SSL_TLS_C) && \
+    ( !defined(POLARSSL_AES_C) || !defined(POLARSSL_SHA256_C) ||            \
+      !defined(POLARSSL_CIPHER_MODE_CBC) )
+#error "POLARSSL_SSL_SESSION_TICKETS_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_SERVER_NAME_INDICATION) && \
+        !defined(POLARSSL_X509_CRT_PARSE_C)
+#error "POLARSSL_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_THREADING_PTHREAD)
+#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
+#error "POLARSSL_THREADING_PTHREAD defined, but not all prerequisites"
+#endif
+#define POLARSSL_THREADING_IMPL
+#endif
+
+#if defined(POLARSSL_THREADING_ALT)
+#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
+#error "POLARSSL_THREADING_ALT defined, but not all prerequisites"
+#endif
+#define POLARSSL_THREADING_IMPL
+#endif
+
+#if defined(POLARSSL_THREADING_C) && !defined(POLARSSL_THREADING_IMPL)
+#error "POLARSSL_THREADING_C defined, single threading implementation required"
+#endif
+#undef POLARSSL_THREADING_IMPL
+
+#if defined(POLARSSL_X509_USE_C) && ( !defined(POLARSSL_BIGNUM_C) ||  \
+    !defined(POLARSSL_OID_C) || !defined(POLARSSL_ASN1_PARSE_C) ||      \
+    !defined(POLARSSL_PK_PARSE_C) )
+#error "POLARSSL_X509_USE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CREATE_C) && ( !defined(POLARSSL_BIGNUM_C) ||  \
+    !defined(POLARSSL_OID_C) || !defined(POLARSSL_ASN1_WRITE_C) ||       \
+    !defined(POLARSSL_PK_WRITE_C) )
+#error "POLARSSL_X509_CREATE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CRT_PARSE_C) && ( !defined(POLARSSL_X509_USE_C) )
+#error "POLARSSL_X509_CRT_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CRL_PARSE_C) && ( !defined(POLARSSL_X509_USE_C) )
+#error "POLARSSL_X509_CRL_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CSR_PARSE_C) && ( !defined(POLARSSL_X509_USE_C) )
+#error "POLARSSL_X509_CSR_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CRT_WRITE_C) && ( !defined(POLARSSL_X509_CREATE_C) )
+#error "POLARSSL_X509_CRT_WRITE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CSR_WRITE_C) && ( !defined(POLARSSL_X509_CREATE_C) )
+#error "POLARSSL_X509_CSR_WRITE_C defined, but not all prerequisites"
+#endif
+
+#endif /* config.h */
+