config.h

00001 /**
00002  * \file config.h
00003  *
00004  * \brief Configuration options (set of defines)
00005  *
00006  *  This set of compile-time options may be used to enable
00007  *  or disable features selectively, and reduce the global
00008  *  memory footprint.
00009  */
00010 /*
00011  *  Copyright (C) 2006-2018, ARM Limited, All Rights Reserved
00012  *  SPDX-License-Identifier: Apache-2.0
00013  *
00014  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
00015  *  not use this file except in compliance with the License.
00016  *  You may obtain a copy of the License at
00017  *
00018  *  http://www.apache.org/licenses/LICENSE-2.0
00019  *
00020  *  Unless required by applicable law or agreed to in writing, software
00021  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00022  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00023  *  See the License for the specific language governing permissions and
00024  *  limitations under the License.
00025  *
00026  *  This file is part of mbed TLS (https://tls.mbed.org)
00027  */
00028 
00029 #ifndef MBEDTLS_CONFIG_H
00030 
00031 #include "platform/inc/platform_mbed.h"
00032 
00033 /*
00034  * Only use features that do not require an entropy source when
00035  * DEVICE_ENTROPY_SOURCE is not defined in mbed OS.
00036  */
00037 #if !defined(MBEDTLS_ENTROPY_HARDWARE_ALT) && !defined(MBEDTLS_TEST_NULL_ENTROPY)
00038 #include "mbedtls/config-no-entropy.h"
00039 
00040 #if defined(MBEDTLS_USER_CONFIG_FILE)
00041 #include MBEDTLS_USER_CONFIG_FILE
00042 #endif
00043 
00044 #else
00045 #define MBEDTLS_CONFIG_H
00046 
00047 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
00048 #define _CRT_SECURE_NO_DEPRECATE 1
00049 #endif
00050 
00051 /**
00052  * \name SECTION: System support
00053  *
00054  * This section sets system specific settings.
00055  * \{
00056  */
00057 
00058 /**
00059  * \def MBEDTLS_HAVE_ASM
00060  *
00061  * The compiler has support for asm().
00062  *
00063  * Requires support for asm() in compiler.
00064  *
00065  * Used in:
00066  *      library/aria.c
00067  *      library/timing.c
00068  *      include/mbedtls/bn_mul.h
00069  *
00070  * Required by:
00071  *      MBEDTLS_AESNI_C
00072  *      MBEDTLS_PADLOCK_C
00073  *
00074  * Comment to disable the use of assembly code.
00075  */
00076 #define MBEDTLS_HAVE_ASM
00077 
00078 /**
00079  * \def MBEDTLS_NO_UDBL_DIVISION
00080  *
00081  * The platform lacks support for double-width integer division (64-bit
00082  * division on a 32-bit platform, 128-bit division on a 64-bit platform).
00083  *
00084  * Used in:
00085  *      include/mbedtls/bignum.h
00086  *      library/bignum.c
00087  *
00088  * The bignum code uses double-width division to speed up some operations.
00089  * Double-width division is often implemented in software that needs to
00090  * be linked with the program. The presence of a double-width integer
00091  * type is usually detected automatically through preprocessor macros,
00092  * but the automatic detection cannot know whether the code needs to
00093  * and can be linked with an implementation of division for that type.
00094  * By default division is assumed to be usable if the type is present.
00095  * Uncomment this option to prevent the use of double-width division.
00096  *
00097  * Note that division for the native integer type is always required.
00098  * Furthermore, a 64-bit type is always required even on a 32-bit
00099  * platform, but it need not support multiplication or division. In some
00100  * cases it is also desirable to disable some double-width operations. For
00101  * example, if double-width division is implemented in software, disabling
00102  * it can reduce code size in some embedded targets.
00103  */
00104 //#define MBEDTLS_NO_UDBL_DIVISION
00105 
00106 /**
00107  * \def MBEDTLS_NO_64BIT_MULTIPLICATION
00108  *
00109  * The platform lacks support for 32x32 -> 64-bit multiplication.
00110  *
00111  * Used in:
00112  *      library/poly1305.c
00113  *
00114  * Some parts of the library may use multiplication of two unsigned 32-bit
00115  * operands with a 64-bit result in order to speed up computations. On some
00116  * platforms, this is not available in hardware and has to be implemented in
00117  * software, usually in a library provided by the toolchain.
00118  *
00119  * Sometimes it is not desirable to have to link to that library. This option
00120  * removes the dependency of that library on platforms that lack a hardware
00121  * 64-bit multiplier by embedding a software implementation in Mbed TLS.
00122  *
00123  * Note that depending on the compiler, this may decrease performance compared
00124  * to using the library function provided by the toolchain.
00125  */
00126 //#define MBEDTLS_NO_64BIT_MULTIPLICATION
00127 
00128 /**
00129  * \def MBEDTLS_HAVE_SSE2
00130  *
00131  * CPU supports SSE2 instruction set.
00132  *
00133  * Uncomment if the CPU supports SSE2 (IA-32 specific).
00134  */
00135 //#define MBEDTLS_HAVE_SSE2
00136 
00137 /**
00138  * \def MBEDTLS_HAVE_TIME
00139  *
00140  * System has time.h and time().
00141  * The time does not need to be correct, only time differences are used,
00142  * by contrast with MBEDTLS_HAVE_TIME_DATE
00143  *
00144  * Defining MBEDTLS_HAVE_TIME allows you to specify MBEDTLS_PLATFORM_TIME_ALT,
00145  * MBEDTLS_PLATFORM_TIME_MACRO, MBEDTLS_PLATFORM_TIME_TYPE_MACRO and
00146  * MBEDTLS_PLATFORM_STD_TIME.
00147  *
00148  * Comment if your system does not support time functions
00149  */
00150 #define MBEDTLS_HAVE_TIME
00151 
00152 /**
00153  * \def MBEDTLS_HAVE_TIME_DATE
00154  *
00155  * System has time.h, time(), and an implementation for
00156  * mbedtls_platform_gmtime_r() (see below).
00157  * The time needs to be correct (not necesarily very accurate, but at least
00158  * the date should be correct). This is used to verify the validity period of
00159  * X.509 certificates.
00160  *
00161  * Comment if your system does not have a correct clock.
00162  *
00163  * \note mbedtls_platform_gmtime_r() is an abstraction in platform_util.h that
00164  * behaves similarly to the gmtime_r() function from the C standard. Refer to
00165  * the documentation for mbedtls_platform_gmtime_r() for more information.
00166  *
00167  * \note It is possible to configure an implementation for
00168  * mbedtls_platform_gmtime_r() at compile-time by using the macro
00169  * MBEDTLS_PLATFORM_GMTIME_R_ALT.
00170  */
00171 //#define MBEDTLS_HAVE_TIME_DATE
00172 
00173 /**
00174  * \def MBEDTLS_PLATFORM_MEMORY
00175  *
00176  * Enable the memory allocation layer.
00177  *
00178  * By default mbed TLS uses the system-provided calloc() and free().
00179  * This allows different allocators (self-implemented or provided) to be
00180  * provided to the platform abstraction layer.
00181  *
00182  * Enabling MBEDTLS_PLATFORM_MEMORY without the
00183  * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide
00184  * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and
00185  * free() function pointer at runtime.
00186  *
00187  * Enabling MBEDTLS_PLATFORM_MEMORY and specifying
00188  * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the
00189  * alternate function at compile time.
00190  *
00191  * Requires: MBEDTLS_PLATFORM_C
00192  *
00193  * Enable this layer to allow use of alternative memory allocators.
00194  */
00195 //#define MBEDTLS_PLATFORM_MEMORY
00196 
00197 /**
00198  * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
00199  *
00200  * Do not assign standard functions in the platform layer (e.g. calloc() to
00201  * MBEDTLS_PLATFORM_STD_CALLOC and printf() to MBEDTLS_PLATFORM_STD_PRINTF)
00202  *
00203  * This makes sure there are no linking errors on platforms that do not support
00204  * these functions. You will HAVE to provide alternatives, either at runtime
00205  * via the platform_set_xxx() functions or at compile time by setting
00206  * the MBEDTLS_PLATFORM_STD_XXX defines, or enabling a
00207  * MBEDTLS_PLATFORM_XXX_MACRO.
00208  *
00209  * Requires: MBEDTLS_PLATFORM_C
00210  *
00211  * Uncomment to prevent default assignment of standard functions in the
00212  * platform layer.
00213  */
00214 //#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
00215 
00216 /**
00217  * \def MBEDTLS_PLATFORM_EXIT_ALT
00218  *
00219  * MBEDTLS_PLATFORM_XXX_ALT: Uncomment a macro to let mbed TLS support the
00220  * function in the platform abstraction layer.
00221  *
00222  * Example: In case you uncomment MBEDTLS_PLATFORM_PRINTF_ALT, mbed TLS will
00223  * provide a function "mbedtls_platform_set_printf()" that allows you to set an
00224  * alternative printf function pointer.
00225  *
00226  * All these define require MBEDTLS_PLATFORM_C to be defined!
00227  *
00228  * \note MBEDTLS_PLATFORM_SNPRINTF_ALT is required on Windows;
00229  * it will be enabled automatically by check_config.h
00230  *
00231  * \warning MBEDTLS_PLATFORM_XXX_ALT cannot be defined at the same time as
00232  * MBEDTLS_PLATFORM_XXX_MACRO!
00233  *
00234  * Requires: MBEDTLS_PLATFORM_TIME_ALT requires MBEDTLS_HAVE_TIME
00235  *
00236  * Uncomment a macro to enable alternate implementation of specific base
00237  * platform function
00238  */
00239 //#define MBEDTLS_PLATFORM_EXIT_ALT
00240 //#define MBEDTLS_PLATFORM_TIME_ALT
00241 //#define MBEDTLS_PLATFORM_FPRINTF_ALT
00242 //#define MBEDTLS_PLATFORM_PRINTF_ALT
00243 //#define MBEDTLS_PLATFORM_SNPRINTF_ALT
00244 //#define MBEDTLS_PLATFORM_NV_SEED_ALT
00245 //#define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT
00246 
00247 /**
00248  * \def MBEDTLS_DEPRECATED_WARNING
00249  *
00250  * Mark deprecated functions so that they generate a warning if used.
00251  * Functions deprecated in one version will usually be removed in the next
00252  * version. You can enable this to help you prepare the transition to a new
00253  * major version by making sure your code is not using these functions.
00254  *
00255  * This only works with GCC and Clang. With other compilers, you may want to
00256  * use MBEDTLS_DEPRECATED_REMOVED
00257  *
00258  * Uncomment to get warnings on using deprecated functions.
00259  */
00260 //#define MBEDTLS_DEPRECATED_WARNING
00261 
00262 /**
00263  * \def MBEDTLS_DEPRECATED_REMOVED
00264  *
00265  * Remove deprecated functions so that they generate an error if used.
00266  * Functions deprecated in one version will usually be removed in the next
00267  * version. You can enable this to help you prepare the transition to a new
00268  * major version by making sure your code is not using these functions.
00269  *
00270  * Uncomment to get errors on using deprecated functions.
00271  */
00272 //#define MBEDTLS_DEPRECATED_REMOVED
00273 
00274 /* \} name SECTION: System support */
00275 
00276 /**
00277  * \name SECTION: mbed TLS feature support
00278  *
00279  * This section sets support for features that are or are not needed
00280  * within the modules that are enabled.
00281  * \{
00282  */
00283 
00284 /**
00285  * \def MBEDTLS_TIMING_ALT
00286  *
00287  * Uncomment to provide your own alternate implementation for mbedtls_timing_hardclock(),
00288  * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay()
00289  *
00290  * Only works if you have MBEDTLS_TIMING_C enabled.
00291  *
00292  * You will need to provide a header "timing_alt.h" and an implementation at
00293  * compile time.
00294  */
00295 //#define MBEDTLS_TIMING_ALT
00296 
00297 /**
00298  * \def MBEDTLS_AES_ALT
00299  *
00300  * MBEDTLS__MODULE_NAME__ALT: Uncomment a macro to let mbed TLS use your
00301  * alternate core implementation of a symmetric crypto, an arithmetic or hash
00302  * module (e.g. platform specific assembly optimized implementations). Keep
00303  * in mind that the function prototypes should remain the same.
00304  *
00305  * This replaces the whole module. If you only want to replace one of the
00306  * functions, use one of the MBEDTLS__FUNCTION_NAME__ALT flags.
00307  *
00308  * Example: In case you uncomment MBEDTLS_AES_ALT, mbed TLS will no longer
00309  * provide the "struct mbedtls_aes_context" definition and omit the base
00310  * function declarations and implementations. "aes_alt.h" will be included from
00311  * "aes.h" to include the new function definitions.
00312  *
00313  * Uncomment a macro to enable alternate implementation of the corresponding
00314  * module.
00315  *
00316  * \warning   MD2, MD4, MD5, ARC4, DES and SHA-1 are considered weak and their
00317  *            use constitutes a security risk. If possible, we recommend
00318  *            avoiding dependencies on them, and considering stronger message
00319  *            digests and ciphers instead.
00320  *
00321  */
00322 //#define MBEDTLS_AES_ALT
00323 //#define MBEDTLS_ARC4_ALT
00324 //#define MBEDTLS_ARIA_ALT
00325 //#define MBEDTLS_BLOWFISH_ALT
00326 //#define MBEDTLS_CAMELLIA_ALT
00327 //#define MBEDTLS_CCM_ALT
00328 //#define MBEDTLS_CHACHA20_ALT
00329 //#define MBEDTLS_CHACHAPOLY_ALT
00330 //#define MBEDTLS_CMAC_ALT
00331 //#define MBEDTLS_DES_ALT
00332 //#define MBEDTLS_DHM_ALT
00333 //#define MBEDTLS_ECJPAKE_ALT
00334 //#define MBEDTLS_GCM_ALT
00335 //#define MBEDTLS_NIST_KW_ALT
00336 //#define MBEDTLS_MD2_ALT
00337 //#define MBEDTLS_MD4_ALT
00338 //#define MBEDTLS_MD5_ALT
00339 //#define MBEDTLS_POLY1305_ALT
00340 //#define MBEDTLS_RIPEMD160_ALT
00341 //#define MBEDTLS_RSA_ALT
00342 //#define MBEDTLS_SHA1_ALT
00343 //#define MBEDTLS_SHA256_ALT
00344 //#define MBEDTLS_SHA512_ALT
00345 //#define MBEDTLS_XTEA_ALT
00346 
00347 /*
00348  * When replacing the elliptic curve module, pleace consider, that it is
00349  * implemented with two .c files:
00350  *      - ecp.c
00351  *      - ecp_curves.c
00352  * You can replace them very much like all the other MBEDTLS__MODULE_NAME__ALT
00353  * macros as described above. The only difference is that you have to make sure
00354  * that you provide functionality for both .c files.
00355  */
00356 //#define MBEDTLS_ECP_ALT
00357 
00358 /**
00359  * \def MBEDTLS_MD2_PROCESS_ALT
00360  *
00361  * MBEDTLS__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use you
00362  * alternate core implementation of symmetric crypto or hash function. Keep in
00363  * mind that function prototypes should remain the same.
00364  *
00365  * This replaces only one function. The header file from mbed TLS is still
00366  * used, in contrast to the MBEDTLS__MODULE_NAME__ALT flags.
00367  *
00368  * Example: In case you uncomment MBEDTLS_SHA256_PROCESS_ALT, mbed TLS will
00369  * no longer provide the mbedtls_sha1_process() function, but it will still provide
00370  * the other function (using your mbedtls_sha1_process() function) and the definition
00371  * of mbedtls_sha1_context, so your implementation of mbedtls_sha1_process must be compatible
00372  * with this definition.
00373  *
00374  * \note Because of a signature change, the core AES encryption and decryption routines are
00375  *       currently named mbedtls_aes_internal_encrypt and mbedtls_aes_internal_decrypt,
00376  *       respectively. When setting up alternative implementations, these functions should
00377  *       be overriden, but the wrapper functions mbedtls_aes_decrypt and mbedtls_aes_encrypt
00378  *       must stay untouched.
00379  *
00380  * \note If you use the AES_xxx_ALT macros, then is is recommended to also set
00381  *       MBEDTLS_AES_ROM_TABLES in order to help the linker garbage-collect the AES
00382  *       tables.
00383  *
00384  * Uncomment a macro to enable alternate implementation of the corresponding
00385  * function.
00386  *
00387  * \warning   MD2, MD4, MD5, DES and SHA-1 are considered weak and their use
00388  *            constitutes a security risk. If possible, we recommend avoiding
00389  *            dependencies on them, and considering stronger message digests
00390  *            and ciphers instead.
00391  *
00392  */
00393 //#define MBEDTLS_MD2_PROCESS_ALT
00394 //#define MBEDTLS_MD4_PROCESS_ALT
00395 //#define MBEDTLS_MD5_PROCESS_ALT
00396 //#define MBEDTLS_RIPEMD160_PROCESS_ALT
00397 //#define MBEDTLS_SHA1_PROCESS_ALT
00398 //#define MBEDTLS_SHA256_PROCESS_ALT
00399 //#define MBEDTLS_SHA512_PROCESS_ALT
00400 //#define MBEDTLS_DES_SETKEY_ALT
00401 //#define MBEDTLS_DES_CRYPT_ECB_ALT
00402 //#define MBEDTLS_DES3_CRYPT_ECB_ALT
00403 //#define MBEDTLS_AES_SETKEY_ENC_ALT
00404 //#define MBEDTLS_AES_SETKEY_DEC_ALT
00405 //#define MBEDTLS_AES_ENCRYPT_ALT
00406 //#define MBEDTLS_AES_DECRYPT_ALT
00407 //#define MBEDTLS_ECDH_GEN_PUBLIC_ALT
00408 //#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT
00409 //#define MBEDTLS_ECDSA_VERIFY_ALT
00410 //#define MBEDTLS_ECDSA_SIGN_ALT
00411 //#define MBEDTLS_ECDSA_GENKEY_ALT
00412 
00413 /**
00414  * \def MBEDTLS_ECP_INTERNAL_ALT
00415  *
00416  * Expose a part of the internal interface of the Elliptic Curve Point module.
00417  *
00418  * MBEDTLS_ECP__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use your
00419  * alternative core implementation of elliptic curve arithmetic. Keep in mind
00420  * that function prototypes should remain the same.
00421  *
00422  * This partially replaces one function. The header file from mbed TLS is still
00423  * used, in contrast to the MBEDTLS_ECP_ALT flag. The original implementation
00424  * is still present and it is used for group structures not supported by the
00425  * alternative.
00426  *
00427  * Any of these options become available by defining MBEDTLS_ECP_INTERNAL_ALT
00428  * and implementing the following functions:
00429  *      unsigned char mbedtls_internal_ecp_grp_capable(
00430  *          const mbedtls_ecp_group *grp )
00431  *      int  mbedtls_internal_ecp_init( const mbedtls_ecp_group *grp )
00432  *      void mbedtls_internal_ecp_deinit( const mbedtls_ecp_group *grp )
00433  * The mbedtls_internal_ecp_grp_capable function should return 1 if the
00434  * replacement functions implement arithmetic for the given group and 0
00435  * otherwise.
00436  * The functions mbedtls_internal_ecp_init and mbedtls_internal_ecp_deinit are
00437  * called before and after each point operation and provide an opportunity to
00438  * implement optimized set up and tear down instructions.
00439  *
00440  * Example: In case you uncomment MBEDTLS_ECP_INTERNAL_ALT and
00441  * MBEDTLS_ECP_DOUBLE_JAC_ALT, mbed TLS will still provide the ecp_double_jac
00442  * function, but will use your mbedtls_internal_ecp_double_jac if the group is
00443  * supported (your mbedtls_internal_ecp_grp_capable function returns 1 when
00444  * receives it as an argument). If the group is not supported then the original
00445  * implementation is used. The other functions and the definition of
00446  * mbedtls_ecp_group and mbedtls_ecp_point will not change, so your
00447  * implementation of mbedtls_internal_ecp_double_jac and
00448  * mbedtls_internal_ecp_grp_capable must be compatible with this definition.
00449  *
00450  * Uncomment a macro to enable alternate implementation of the corresponding
00451  * function.
00452  */
00453 /* Required for all the functions in this section */
00454 //#define MBEDTLS_ECP_INTERNAL_ALT
00455 /* Support for Weierstrass curves with Jacobi representation */
00456 //#define MBEDTLS_ECP_RANDOMIZE_JAC_ALT
00457 //#define MBEDTLS_ECP_ADD_MIXED_ALT
00458 //#define MBEDTLS_ECP_DOUBLE_JAC_ALT
00459 //#define MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT
00460 //#define MBEDTLS_ECP_NORMALIZE_JAC_ALT
00461 /* Support for curves with Montgomery arithmetic */
00462 //#define MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT
00463 //#define MBEDTLS_ECP_RANDOMIZE_MXZ_ALT
00464 //#define MBEDTLS_ECP_NORMALIZE_MXZ_ALT
00465 
00466 /**
00467  * \def MBEDTLS_TEST_NULL_ENTROPY
00468  *
00469  * Enables testing and use of mbed TLS without any configured entropy sources.
00470  * This permits use of the library on platforms before an entropy source has
00471  * been integrated (see for example the MBEDTLS_ENTROPY_HARDWARE_ALT or the
00472  * MBEDTLS_ENTROPY_NV_SEED switches).
00473  *
00474  * WARNING! This switch MUST be disabled in production builds, and is suitable
00475  * only for development.
00476  * Enabling the switch negates any security provided by the library.
00477  *
00478  * Requires MBEDTLS_ENTROPY_C, MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
00479  *
00480  */
00481 //#define MBEDTLS_TEST_NULL_ENTROPY
00482 
00483 /**
00484  * \def MBEDTLS_ENTROPY_HARDWARE_ALT
00485  *
00486  * Uncomment this macro to let mbed TLS use your own implementation of a
00487  * hardware entropy collector.
00488  *
00489  * Your function must be called \c mbedtls_hardware_poll(), have the same
00490  * prototype as declared in entropy_poll.h, and accept NULL as first argument.
00491  *
00492  * Uncomment to use your own hardware entropy collector.
00493  */
00494 //#define MBEDTLS_ENTROPY_HARDWARE_ALT
00495 
00496 /**
00497  * \def MBEDTLS_AES_ROM_TABLES
00498  *
00499  * Use precomputed AES tables stored in ROM.
00500  *
00501  * Uncomment this macro to use precomputed AES tables stored in ROM.
00502  * Comment this macro to generate AES tables in RAM at runtime.
00503  *
00504  * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb
00505  * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the
00506  * initialization time before the first AES operation can be performed.
00507  * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c
00508  * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded
00509  * performance if ROM access is slower than RAM access.
00510  *
00511  * This option is independent of \c MBEDTLS_AES_FEWER_TABLES.
00512  *
00513  */
00514 #define MBEDTLS_AES_ROM_TABLES
00515 
00516 /**
00517  * \def MBEDTLS_AES_FEWER_TABLES
00518  *
00519  * Use less ROM/RAM for AES tables.
00520  *
00521  * Uncommenting this macro omits 75% of the AES tables from
00522  * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES)
00523  * by computing their values on the fly during operations
00524  * (the tables are entry-wise rotations of one another).
00525  *
00526  * Tradeoff: Uncommenting this reduces the RAM / ROM footprint
00527  * by ~6kb but at the cost of more arithmetic operations during
00528  * runtime. Specifically, one has to compare 4 accesses within
00529  * different tables to 4 accesses with additional arithmetic
00530  * operations within the same table. The performance gain/loss
00531  * depends on the system and memory details.
00532  *
00533  * This option is independent of \c MBEDTLS_AES_ROM_TABLES.
00534  *
00535  */
00536 //#define MBEDTLS_AES_FEWER_TABLES
00537 
00538 /**
00539  * \def MBEDTLS_CAMELLIA_SMALL_MEMORY
00540  *
00541  * Use less ROM for the Camellia implementation (saves about 768 bytes).
00542  *
00543  * Uncomment this macro to use less memory for Camellia.
00544  */
00545 //#define MBEDTLS_CAMELLIA_SMALL_MEMORY
00546 
00547 /**
00548  * \def MBEDTLS_CIPHER_MODE_CBC
00549  *
00550  * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers.
00551  */
00552 #define MBEDTLS_CIPHER_MODE_CBC
00553 
00554 /**
00555  * \def MBEDTLS_CIPHER_MODE_CFB
00556  *
00557  * Enable Cipher Feedback mode (CFB) for symmetric ciphers.
00558  */
00559 //#define MBEDTLS_CIPHER_MODE_CFB
00560 
00561 /**
00562  * \def MBEDTLS_CIPHER_MODE_CTR
00563  *
00564  * Enable Counter Block Cipher mode (CTR) for symmetric ciphers.
00565  */
00566 //#define MBEDTLS_CIPHER_MODE_CTR
00567 
00568 /**
00569  * \def MBEDTLS_CIPHER_MODE_OFB
00570  *
00571  * Enable Output Feedback mode (OFB) for symmetric ciphers.
00572  */
00573 //#define MBEDTLS_CIPHER_MODE_OFB
00574 
00575 /**
00576  * \def MBEDTLS_CIPHER_MODE_XTS
00577  *
00578  * Enable Xor-encrypt-xor with ciphertext stealing mode (XTS) for AES.
00579  */
00580 //#define MBEDTLS_CIPHER_MODE_XTS
00581 
00582 /**
00583  * \def MBEDTLS_CIPHER_NULL_CIPHER
00584  *
00585  * Enable NULL cipher.
00586  * Warning: Only do so when you know what you are doing. This allows for
00587  * encryption or channels without any security!
00588  *
00589  * Requires MBEDTLS_ENABLE_WEAK_CIPHERSUITES as well to enable
00590  * the following ciphersuites:
00591  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_NULL_SHA
00592  *      MBEDTLS_TLS_ECDH_RSA_WITH_NULL_SHA
00593  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_NULL_SHA
00594  *      MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA
00595  *      MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384
00596  *      MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256
00597  *      MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA
00598  *      MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384
00599  *      MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA256
00600  *      MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA
00601  *      MBEDTLS_TLS_RSA_WITH_NULL_SHA256
00602  *      MBEDTLS_TLS_RSA_WITH_NULL_SHA
00603  *      MBEDTLS_TLS_RSA_WITH_NULL_MD5
00604  *      MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384
00605  *      MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA256
00606  *      MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA
00607  *      MBEDTLS_TLS_PSK_WITH_NULL_SHA384
00608  *      MBEDTLS_TLS_PSK_WITH_NULL_SHA256
00609  *      MBEDTLS_TLS_PSK_WITH_NULL_SHA
00610  *
00611  * Uncomment this macro to enable the NULL cipher and ciphersuites
00612  */
00613 //#define MBEDTLS_CIPHER_NULL_CIPHER
00614 
00615 /**
00616  * \def MBEDTLS_CIPHER_PADDING_PKCS7
00617  *
00618  * MBEDTLS_CIPHER_PADDING_XXX: Uncomment or comment macros to add support for
00619  * specific padding modes in the cipher layer with cipher modes that support
00620  * padding (e.g. CBC)
00621  *
00622  * If you disable all padding modes, only full blocks can be used with CBC.
00623  *
00624  * Enable padding modes in the cipher layer.
00625  */
00626 #define MBEDTLS_CIPHER_PADDING_PKCS7
00627 //#define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS
00628 //#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
00629 //#define MBEDTLS_CIPHER_PADDING_ZEROS
00630 
00631 /**
00632  * \def MBEDTLS_ENABLE_WEAK_CIPHERSUITES
00633  *
00634  * Enable weak ciphersuites in SSL / TLS.
00635  * Warning: Only do so when you know what you are doing. This allows for
00636  * channels with virtually no security at all!
00637  *
00638  * This enables the following ciphersuites:
00639  *      MBEDTLS_TLS_RSA_WITH_DES_CBC_SHA
00640  *      MBEDTLS_TLS_DHE_RSA_WITH_DES_CBC_SHA
00641  *
00642  * Uncomment this macro to enable weak ciphersuites
00643  *
00644  * \warning   DES is considered a weak cipher and its use constitutes a
00645  *            security risk. We recommend considering stronger ciphers instead.
00646  */
00647 //#define MBEDTLS_ENABLE_WEAK_CIPHERSUITES
00648 
00649 /**
00650  * \def MBEDTLS_REMOVE_ARC4_CIPHERSUITES
00651  *
00652  * Remove RC4 ciphersuites by default in SSL / TLS.
00653  * This flag removes the ciphersuites based on RC4 from the default list as
00654  * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible to
00655  * enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including them
00656  * explicitly.
00657  *
00658  * Uncomment this macro to remove RC4 ciphersuites by default.
00659  */
00660 #define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
00661 
00662 /**
00663  * \def MBEDTLS_ECP_DP_SECP192R1_ENABLED
00664  *
00665  * MBEDTLS_ECP_XXXX_ENABLED: Enables specific curves within the Elliptic Curve
00666  * module.  By default all supported curves are enabled.
00667  *
00668  * Comment macros to disable the curve and functions for it
00669  */
00670 //#define MBEDTLS_ECP_DP_SECP192R1_ENABLED
00671 //#define MBEDTLS_ECP_DP_SECP224R1_ENABLED
00672 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
00673 #define MBEDTLS_ECP_DP_SECP384R1_ENABLED
00674 //#define MBEDTLS_ECP_DP_SECP521R1_ENABLED
00675 //#define MBEDTLS_ECP_DP_SECP192K1_ENABLED
00676 //#define MBEDTLS_ECP_DP_SECP224K1_ENABLED
00677 //#define MBEDTLS_ECP_DP_SECP256K1_ENABLED
00678 //#define MBEDTLS_ECP_DP_BP256R1_ENABLED
00679 //#define MBEDTLS_ECP_DP_BP384R1_ENABLED
00680 //#define MBEDTLS_ECP_DP_BP512R1_ENABLED
00681 #define MBEDTLS_ECP_DP_CURVE25519_ENABLED
00682 #define MBEDTLS_ECP_DP_CURVE448_ENABLED
00683 
00684 /**
00685  * \def MBEDTLS_ECP_NIST_OPTIM
00686  *
00687  * Enable specific 'modulo p' routines for each NIST prime.
00688  * Depending on the prime and architecture, makes operations 4 to 8 times
00689  * faster on the corresponding curve.
00690  *
00691  * Comment this macro to disable NIST curves optimisation.
00692  */
00693 #define MBEDTLS_ECP_NIST_OPTIM
00694 
00695 /**
00696  * \def MBEDTLS_ECDSA_DETERMINISTIC
00697  *
00698  * Enable deterministic ECDSA (RFC 6979).
00699  * Standard ECDSA is "fragile" in the sense that lack of entropy when signing
00700  * may result in a compromise of the long-term signing key. This is avoided by
00701  * the deterministic variant.
00702  *
00703  * Requires: MBEDTLS_HMAC_DRBG_C
00704  *
00705  * Comment this macro to disable deterministic ECDSA.
00706  */
00707 #define MBEDTLS_ECDSA_DETERMINISTIC
00708 
00709 /**
00710  * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
00711  *
00712  * Enable the PSK based ciphersuite modes in SSL / TLS.
00713  *
00714  * This enables the following ciphersuites (if other requisites are
00715  * enabled as well):
00716  *      MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384
00717  *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384
00718  *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA
00719  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384
00720  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384
00721  *      MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256
00722  *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256
00723  *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA
00724  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
00725  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
00726  *      MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA
00727  *      MBEDTLS_TLS_PSK_WITH_RC4_128_SHA
00728  */
00729 #define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
00730 
00731 /**
00732  * \def MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED
00733  *
00734  * Enable the DHE-PSK based ciphersuite modes in SSL / TLS.
00735  *
00736  * Requires: MBEDTLS_DHM_C
00737  *
00738  * This enables the following ciphersuites (if other requisites are
00739  * enabled as well):
00740  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
00741  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
00742  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA
00743  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384
00744  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
00745  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
00746  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
00747  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA
00748  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256
00749  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
00750  *      MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
00751  *      MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA
00752  *
00753  * \warning    Using DHE constitutes a security risk as it
00754  *             is not possible to validate custom DH parameters.
00755  *             If possible, it is recommended users should consider
00756  *             preferring other methods of key exchange.
00757  *             See dhm.h for more details.
00758  *
00759  */
00760 //#define MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED
00761 
00762 /**
00763  * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
00764  *
00765  * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS.
00766  *
00767  * Requires: MBEDTLS_ECDH_C
00768  *
00769  * This enables the following ciphersuites (if other requisites are
00770  * enabled as well):
00771  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
00772  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
00773  *      MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
00774  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
00775  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
00776  *      MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
00777  *      MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
00778  *      MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA
00779  */
00780 #define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
00781 
00782 /**
00783  * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
00784  *
00785  * Enable the RSA-PSK based ciphersuite modes in SSL / TLS.
00786  *
00787  * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
00788  *           MBEDTLS_X509_CRT_PARSE_C
00789  *
00790  * This enables the following ciphersuites (if other requisites are
00791  * enabled as well):
00792  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
00793  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
00794  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA
00795  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384
00796  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384
00797  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
00798  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
00799  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA
00800  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256
00801  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256
00802  *      MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
00803  *      MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA
00804  */
00805 //#define MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
00806 
00807 /**
00808  * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
00809  *
00810  * Enable the RSA-only based ciphersuite modes in SSL / TLS.
00811  *
00812  * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
00813  *           MBEDTLS_X509_CRT_PARSE_C
00814  *
00815  * This enables the following ciphersuites (if other requisites are
00816  * enabled as well):
00817  *      MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384
00818  *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256
00819  *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA
00820  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
00821  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
00822  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
00823  *      MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256
00824  *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256
00825  *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA
00826  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
00827  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
00828  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
00829  *      MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA
00830  *      MBEDTLS_TLS_RSA_WITH_RC4_128_SHA
00831  *      MBEDTLS_TLS_RSA_WITH_RC4_128_MD5
00832  */
00833 //#define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
00834 
00835 /**
00836  * \def MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED
00837  *
00838  * Enable the DHE-RSA based ciphersuite modes in SSL / TLS.
00839  *
00840  * Requires: MBEDTLS_DHM_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
00841  *           MBEDTLS_X509_CRT_PARSE_C
00842  *
00843  * This enables the following ciphersuites (if other requisites are
00844  * enabled as well):
00845  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
00846  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
00847  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
00848  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
00849  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
00850  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
00851  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
00852  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
00853  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
00854  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
00855  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
00856  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
00857  *      MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
00858  *
00859  * \warning    Using DHE constitutes a security risk as it
00860  *             is not possible to validate custom DH parameters.
00861  *             If possible, it is recommended users should consider
00862  *             preferring other methods of key exchange.
00863  *             See dhm.h for more details.
00864  *
00865  */
00866 //#define MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED
00867 
00868 /**
00869  * \def MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
00870  *
00871  * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS.
00872  *
00873  * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15,
00874  *           MBEDTLS_X509_CRT_PARSE_C
00875  *
00876  * This enables the following ciphersuites (if other requisites are
00877  * enabled as well):
00878  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
00879  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
00880  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
00881  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
00882  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
00883  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
00884  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
00885  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
00886  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
00887  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
00888  *      MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
00889  *      MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA
00890  */
00891 #define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
00892 
00893 /**
00894  * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
00895  *
00896  * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS.
00897  *
00898  * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C,
00899  *
00900  * This enables the following ciphersuites (if other requisites are
00901  * enabled as well):
00902  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
00903  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
00904  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
00905  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
00906  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
00907  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
00908  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
00909  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
00910  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
00911  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
00912  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
00913  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
00914  */
00915 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
00916 
00917 /**
00918  * \def MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
00919  *
00920  * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS.
00921  *
00922  * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C
00923  *
00924  * This enables the following ciphersuites (if other requisites are
00925  * enabled as well):
00926  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
00927  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
00928  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
00929  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
00930  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
00931  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
00932  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
00933  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
00934  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
00935  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
00936  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
00937  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
00938  */
00939 //#define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
00940 
00941 /**
00942  * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
00943  *
00944  * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS.
00945  *
00946  * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C
00947  *
00948  * This enables the following ciphersuites (if other requisites are
00949  * enabled as well):
00950  *      MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA
00951  *      MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
00952  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
00953  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
00954  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
00955  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
00956  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
00957  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
00958  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
00959  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
00960  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
00961  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
00962  */
00963 //#define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
00964 
00965 /**
00966  * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED
00967  *
00968  * Enable the ECJPAKE based ciphersuite modes in SSL / TLS.
00969  *
00970  * \warning This is currently experimental. EC J-PAKE support is based on the
00971  * Thread v1.0.0 specification; incompatible changes to the specification
00972  * might still happen. For this reason, this is disabled by default.
00973  *
00974  * Requires: MBEDTLS_ECJPAKE_C
00975  *           MBEDTLS_SHA256_C
00976  *           MBEDTLS_ECP_DP_SECP256R1_ENABLED
00977  *
00978  * This enables the following ciphersuites (if other requisites are
00979  * enabled as well):
00980  *      MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8
00981  */
00982 //#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED
00983 
00984 /**
00985  * \def MBEDTLS_PK_PARSE_EC_EXTENDED
00986  *
00987  * Enhance support for reading EC keys using variants of SEC1 not allowed by
00988  * RFC 5915 and RFC 5480.
00989  *
00990  * Currently this means parsing the SpecifiedECDomain choice of EC
00991  * parameters (only known groups are supported, not arbitrary domains, to
00992  * avoid validation issues).
00993  *
00994  * Disable if you only need to support RFC 5915 + 5480 key formats.
00995  */
00996 //#define MBEDTLS_PK_PARSE_EC_EXTENDED
00997 
00998 /**
00999  * \def MBEDTLS_ERROR_STRERROR_DUMMY
01000  *
01001  * Enable a dummy error function to make use of mbedtls_strerror() in
01002  * third party libraries easier when MBEDTLS_ERROR_C is disabled
01003  * (no effect when MBEDTLS_ERROR_C is enabled).
01004  *
01005  * You can safely disable this if MBEDTLS_ERROR_C is enabled, or if you're
01006  * not using mbedtls_strerror() or error_strerror() in your application.
01007  *
01008  * Disable if you run into name conflicts and want to really remove the
01009  * mbedtls_strerror()
01010  */
01011 #define MBEDTLS_ERROR_STRERROR_DUMMY
01012 
01013 /**
01014  * \def MBEDTLS_GENPRIME
01015  *
01016  * Enable the prime-number generation code.
01017  *
01018  * Requires: MBEDTLS_BIGNUM_C
01019  */
01020 //#define MBEDTLS_GENPRIME
01021 
01022 /**
01023  * \def MBEDTLS_FS_IO
01024  *
01025  * Enable functions that use the filesystem.
01026  */
01027 //#define MBEDTLS_FS_IO
01028 
01029 /**
01030  * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
01031  *
01032  * Do not add default entropy sources. These are the platform specific,
01033  * mbedtls_timing_hardclock and HAVEGE based poll functions.
01034  *
01035  * This is useful to have more control over the added entropy sources in an
01036  * application.
01037  *
01038  * Uncomment this macro to prevent loading of default entropy functions.
01039  */
01040 //#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
01041 
01042 /**
01043  * \def MBEDTLS_NO_PLATFORM_ENTROPY
01044  *
01045  * Do not use built-in platform entropy functions.
01046  * This is useful if your platform does not support
01047  * standards like the /dev/urandom or Windows CryptoAPI.
01048  *
01049  * Uncomment this macro to disable the built-in platform entropy functions.
01050  */
01051 #define MBEDTLS_NO_PLATFORM_ENTROPY
01052 
01053 /**
01054  * \def MBEDTLS_ENTROPY_FORCE_SHA256
01055  *
01056  * Force the entropy accumulator to use a SHA-256 accumulator instead of the
01057  * default SHA-512 based one (if both are available).
01058  *
01059  * Requires: MBEDTLS_SHA256_C
01060  *
01061  * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option
01062  * if you have performance concerns.
01063  *
01064  * This option is only useful if both MBEDTLS_SHA256_C and
01065  * MBEDTLS_SHA512_C are defined. Otherwise the available hash module is used.
01066  */
01067 //#define MBEDTLS_ENTROPY_FORCE_SHA256
01068 
01069 /**
01070  * \def MBEDTLS_ENTROPY_NV_SEED
01071  *
01072  * Enable the non-volatile (NV) seed file-based entropy source.
01073  * (Also enables the NV seed read/write functions in the platform layer)
01074  *
01075  * This is crucial (if not required) on systems that do not have a
01076  * cryptographic entropy source (in hardware or kernel) available.
01077  *
01078  * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C
01079  *
01080  * \note The read/write functions that are used by the entropy source are
01081  *       determined in the platform layer, and can be modified at runtime and/or
01082  *       compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used.
01083  *
01084  * \note If you use the default implementation functions that read a seedfile
01085  *       with regular fopen(), please make sure you make a seedfile with the
01086  *       proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at
01087  *       least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from
01088  *       and written to or you will get an entropy source error! The default
01089  *       implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE
01090  *       bytes from the file.
01091  *
01092  * \note The entropy collector will write to the seed file before entropy is
01093  *       given to an external source, to update it.
01094  */
01095 //#define MBEDTLS_ENTROPY_NV_SEED
01096 
01097 /**
01098  * \def MBEDTLS_MEMORY_DEBUG
01099  *
01100  * Enable debugging of buffer allocator memory issues. Automatically prints
01101  * (to stderr) all (fatal) messages on memory allocation issues. Enables
01102  * function for 'debug output' of allocated memory.
01103  *
01104  * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C
01105  *
01106  * Uncomment this macro to let the buffer allocator print out error messages.
01107  */
01108 //#define MBEDTLS_MEMORY_DEBUG
01109 
01110 /**
01111  * \def MBEDTLS_MEMORY_BACKTRACE
01112  *
01113  * Include backtrace information with each allocated block.
01114  *
01115  * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C
01116  *           GLIBC-compatible backtrace() an backtrace_symbols() support
01117  *
01118  * Uncomment this macro to include backtrace information
01119  */
01120 //#define MBEDTLS_MEMORY_BACKTRACE
01121 
01122 /**
01123  * \def MBEDTLS_PK_RSA_ALT_SUPPORT
01124  *
01125  * Support external private RSA keys (eg from a HSM) in the PK layer.
01126  *
01127  * Comment this macro to disable support for external private RSA keys.
01128  */
01129 #define MBEDTLS_PK_RSA_ALT_SUPPORT
01130 
01131 /**
01132  * \def MBEDTLS_PKCS1_V15
01133  *
01134  * Enable support for PKCS#1 v1.5 encoding.
01135  *
01136  * Requires: MBEDTLS_RSA_C
01137  *
01138  * This enables support for PKCS#1 v1.5 operations.
01139  */
01140 #define MBEDTLS_PKCS1_V15
01141 
01142 /**
01143  * \def MBEDTLS_PKCS1_V21
01144  *
01145  * Enable support for PKCS#1 v2.1 encoding.
01146  *
01147  * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C
01148  *
01149  * This enables support for RSAES-OAEP and RSASSA-PSS operations.
01150  */
01151 #define MBEDTLS_PKCS1_V21
01152 
01153 /**
01154  * \def MBEDTLS_RSA_NO_CRT
01155  *
01156  * Do not use the Chinese Remainder Theorem
01157  * for the RSA private operation.
01158  *
01159  * Uncomment this macro to disable the use of CRT in RSA.
01160  *
01161  */
01162 //#define MBEDTLS_RSA_NO_CRT
01163 
01164 /**
01165  * \def MBEDTLS_SELF_TEST
01166  *
01167  * Enable the checkup functions (*_self_test).
01168  */
01169 #define MBEDTLS_SELF_TEST
01170 
01171 /**
01172  * \def MBEDTLS_SHA256_SMALLER
01173  *
01174  * Enable an implementation of SHA-256 that has lower ROM footprint but also
01175  * lower performance.
01176  *
01177  * The default implementation is meant to be a reasonnable compromise between
01178  * performance and size. This version optimizes more aggressively for size at
01179  * the expense of performance. Eg on Cortex-M4 it reduces the size of
01180  * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about
01181  * 30%.
01182  *
01183  * Uncomment to enable the smaller implementation of SHA256.
01184  */
01185 //#define MBEDTLS_SHA256_SMALLER
01186 
01187 /**
01188  * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES
01189  *
01190  * Enable sending of alert messages in case of encountered errors as per RFC.
01191  * If you choose not to send the alert messages, mbed TLS can still communicate
01192  * with other servers, only debugging of failures is harder.
01193  *
01194  * The advantage of not sending alert messages, is that no information is given
01195  * about reasons for failures thus preventing adversaries of gaining intel.
01196  *
01197  * Enable sending of all alert messages
01198  */
01199 #define MBEDTLS_SSL_ALL_ALERT_MESSAGES
01200 
01201 /**
01202  * \def MBEDTLS_SSL_ASYNC_PRIVATE
01203  *
01204  * Enable asynchronous external private key operations in SSL. This allows
01205  * you to configure an SSL connection to call an external cryptographic
01206  * module to perform private key operations instead of performing the
01207  * operation inside the library.
01208  *
01209  */
01210 //#define MBEDTLS_SSL_ASYNC_PRIVATE
01211 
01212 /**
01213  * \def MBEDTLS_SSL_DEBUG_ALL
01214  *
01215  * Enable the debug messages in SSL module for all issues.
01216  * Debug messages have been disabled in some places to prevent timing
01217  * attacks due to (unbalanced) debugging function calls.
01218  *
01219  * If you need all error reporting you should enable this during debugging,
01220  * but remove this for production servers that should log as well.
01221  *
01222  * Uncomment this macro to report all debug messages on errors introducing
01223  * a timing side-channel.
01224  *
01225  */
01226 //#define MBEDTLS_SSL_DEBUG_ALL
01227 
01228 /** \def MBEDTLS_SSL_ENCRYPT_THEN_MAC
01229  *
01230  * Enable support for Encrypt-then-MAC, RFC 7366.
01231  *
01232  * This allows peers that both support it to use a more robust protection for
01233  * ciphersuites using CBC, providing deep resistance against timing attacks
01234  * on the padding or underlying cipher.
01235  *
01236  * This only affects CBC ciphersuites, and is useless if none is defined.
01237  *
01238  * Requires: MBEDTLS_SSL_PROTO_TLS1    or
01239  *           MBEDTLS_SSL_PROTO_TLS1_1  or
01240  *           MBEDTLS_SSL_PROTO_TLS1_2
01241  *
01242  * Comment this macro to disable support for Encrypt-then-MAC
01243  */
01244 #define MBEDTLS_SSL_ENCRYPT_THEN_MAC
01245 
01246 /** \def MBEDTLS_SSL_EXTENDED_MASTER_SECRET
01247  *
01248  * Enable support for Extended Master Secret, aka Session Hash
01249  * (draft-ietf-tls-session-hash-02).
01250  *
01251  * This was introduced as "the proper fix" to the Triple Handshake familiy of
01252  * attacks, but it is recommended to always use it (even if you disable
01253  * renegotiation), since it actually fixes a more fundamental issue in the
01254  * original SSL/TLS design, and has implications beyond Triple Handshake.
01255  *
01256  * Requires: MBEDTLS_SSL_PROTO_TLS1    or
01257  *           MBEDTLS_SSL_PROTO_TLS1_1  or
01258  *           MBEDTLS_SSL_PROTO_TLS1_2
01259  *
01260  * Comment this macro to disable support for Extended Master Secret.
01261  */
01262 #define MBEDTLS_SSL_EXTENDED_MASTER_SECRET
01263 
01264 /**
01265  * \def MBEDTLS_SSL_FALLBACK_SCSV
01266  *
01267  * Enable support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv-00).
01268  *
01269  * For servers, it is recommended to always enable this, unless you support
01270  * only one version of TLS, or know for sure that none of your clients
01271  * implements a fallback strategy.
01272  *
01273  * For clients, you only need this if you're using a fallback strategy, which
01274  * is not recommended in the first place, unless you absolutely need it to
01275  * interoperate with buggy (version-intolerant) servers.
01276  *
01277  * Comment this macro to disable support for FALLBACK_SCSV
01278  */
01279 //#define MBEDTLS_SSL_FALLBACK_SCSV
01280 
01281 /**
01282  * \def MBEDTLS_SSL_HW_RECORD_ACCEL
01283  *
01284  * Enable hooking functions in SSL module for hardware acceleration of
01285  * individual records.
01286  *
01287  * Uncomment this macro to enable hooking functions.
01288  */
01289 //#define MBEDTLS_SSL_HW_RECORD_ACCEL
01290 
01291 /**
01292  * \def MBEDTLS_SSL_CBC_RECORD_SPLITTING
01293  *
01294  * Enable 1/n-1 record splitting for CBC mode in SSLv3 and TLS 1.0.
01295  *
01296  * This is a countermeasure to the BEAST attack, which also minimizes the risk
01297  * of interoperability issues compared to sending 0-length records.
01298  *
01299  * Comment this macro to disable 1/n-1 record splitting.
01300  */
01301 //#define MBEDTLS_SSL_CBC_RECORD_SPLITTING
01302 
01303 /**
01304  * \def MBEDTLS_SSL_RENEGOTIATION
01305  *
01306  * Disable support for TLS renegotiation.
01307  *
01308  * The two main uses of renegotiation are (1) refresh keys on long-lived
01309  * connections and (2) client authentication after the initial handshake.
01310  * If you don't need renegotiation, it's probably better to disable it, since
01311  * it has been associated with security issues in the past and is easy to
01312  * misuse/misunderstand.
01313  *
01314  * Comment this to disable support for renegotiation.
01315  *
01316  * \note   Even if this option is disabled, both client and server are aware
01317  *         of the Renegotiation Indication Extension (RFC 5746) used to
01318  *         prevent the SSL renegotiation attack (see RFC 5746 Sect. 1).
01319  *         (See \c mbedtls_ssl_conf_legacy_renegotiation for the
01320  *          configuration of this extension).
01321  *
01322  */
01323 #define MBEDTLS_SSL_RENEGOTIATION
01324 
01325 /**
01326  * \def MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
01327  *
01328  * Enable support for receiving and parsing SSLv2 Client Hello messages for the
01329  * SSL Server module (MBEDTLS_SSL_SRV_C).
01330  *
01331  * Uncomment this macro to enable support for SSLv2 Client Hello messages.
01332  */
01333 //#define MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
01334 
01335 /**
01336  * \def MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE
01337  *
01338  * Pick the ciphersuite according to the client's preferences rather than ours
01339  * in the SSL Server module (MBEDTLS_SSL_SRV_C).
01340  *
01341  * Uncomment this macro to respect client's ciphersuite order
01342  */
01343 //#define MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE
01344 
01345 /**
01346  * \def MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
01347  *
01348  * Enable support for RFC 6066 max_fragment_length extension in SSL.
01349  *
01350  * Comment this macro to disable support for the max_fragment_length extension
01351  */
01352 #define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
01353 
01354 /**
01355  * \def MBEDTLS_SSL_PROTO_SSL3
01356  *
01357  * Enable support for SSL 3.0.
01358  *
01359  * Requires: MBEDTLS_MD5_C
01360  *           MBEDTLS_SHA1_C
01361  *
01362  * Comment this macro to disable support for SSL 3.0
01363  */
01364 //#define MBEDTLS_SSL_PROTO_SSL3
01365 
01366 /**
01367  * \def MBEDTLS_SSL_PROTO_TLS1
01368  *
01369  * Enable support for TLS 1.0.
01370  *
01371  * Requires: MBEDTLS_MD5_C
01372  *           MBEDTLS_SHA1_C
01373  *
01374  * Comment this macro to disable support for TLS 1.0
01375  */
01376 //#define MBEDTLS_SSL_PROTO_TLS1
01377 
01378 /**
01379  * \def MBEDTLS_SSL_PROTO_TLS1_1
01380  *
01381  * Enable support for TLS 1.1 (and DTLS 1.0 if DTLS is enabled).
01382  *
01383  * Requires: MBEDTLS_MD5_C
01384  *           MBEDTLS_SHA1_C
01385  *
01386  * Comment this macro to disable support for TLS 1.1 / DTLS 1.0
01387  */
01388 //#define MBEDTLS_SSL_PROTO_TLS1_1
01389 
01390 /**
01391  * \def MBEDTLS_SSL_PROTO_TLS1_2
01392  *
01393  * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled).
01394  *
01395  * Requires: MBEDTLS_SHA1_C or MBEDTLS_SHA256_C or MBEDTLS_SHA512_C
01396  *           (Depends on ciphersuites)
01397  *
01398  * Comment this macro to disable support for TLS 1.2 / DTLS 1.2
01399  */
01400 #define MBEDTLS_SSL_PROTO_TLS1_2
01401 
01402 /**
01403  * \def MBEDTLS_SSL_PROTO_DTLS
01404  *
01405  * Enable support for DTLS (all available versions).
01406  *
01407  * Enable this and MBEDTLS_SSL_PROTO_TLS1_1 to enable DTLS 1.0,
01408  * and/or this and MBEDTLS_SSL_PROTO_TLS1_2 to enable DTLS 1.2.
01409  *
01410  * Requires: MBEDTLS_SSL_PROTO_TLS1_1
01411  *        or MBEDTLS_SSL_PROTO_TLS1_2
01412  *
01413  * Comment this macro to disable support for DTLS
01414  */
01415 #define MBEDTLS_SSL_PROTO_DTLS
01416 
01417 /**
01418  * \def MBEDTLS_SSL_ALPN
01419  *
01420  * Enable support for RFC 7301 Application Layer Protocol Negotiation.
01421  *
01422  * Comment this macro to disable support for ALPN.
01423  */
01424 #define MBEDTLS_SSL_ALPN
01425 
01426 /**
01427  * \def MBEDTLS_SSL_DTLS_ANTI_REPLAY
01428  *
01429  * Enable support for the anti-replay mechanism in DTLS.
01430  *
01431  * Requires: MBEDTLS_SSL_TLS_C
01432  *           MBEDTLS_SSL_PROTO_DTLS
01433  *
01434  * \warning Disabling this is often a security risk!
01435  * See mbedtls_ssl_conf_dtls_anti_replay() for details.
01436  *
01437  * Comment this to disable anti-replay in DTLS.
01438  */
01439 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY
01440 
01441 /**
01442  * \def MBEDTLS_SSL_DTLS_HELLO_VERIFY
01443  *
01444  * Enable support for HelloVerifyRequest on DTLS servers.
01445  *
01446  * This feature is highly recommended to prevent DTLS servers being used as
01447  * amplifiers in DoS attacks against other hosts. It should always be enabled
01448  * unless you know for sure amplification cannot be a problem in the
01449  * environment in which your server operates.
01450  *
01451  * \warning Disabling this can ba a security risk! (see above)
01452  *
01453  * Requires: MBEDTLS_SSL_PROTO_DTLS
01454  *
01455  * Comment this to disable support for HelloVerifyRequest.
01456  */
01457 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY
01458 
01459 /**
01460  * \def MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
01461  *
01462  * Enable server-side support for clients that reconnect from the same port.
01463  *
01464  * Some clients unexpectedly close the connection and try to reconnect using the
01465  * same source port. This needs special support from the server to handle the
01466  * new connection securely, as described in section 4.2.8 of RFC 6347. This
01467  * flag enables that support.
01468  *
01469  * Requires: MBEDTLS_SSL_DTLS_HELLO_VERIFY
01470  *
01471  * Comment this to disable support for clients reusing the source port.
01472  */
01473 #define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
01474 
01475 /**
01476  * \def MBEDTLS_SSL_DTLS_BADMAC_LIMIT
01477  *
01478  * Enable support for a limit of records with bad MAC.
01479  *
01480  * See mbedtls_ssl_conf_dtls_badmac_limit().
01481  *
01482  * Requires: MBEDTLS_SSL_PROTO_DTLS
01483  */
01484 #define MBEDTLS_SSL_DTLS_BADMAC_LIMIT
01485 
01486 /**
01487  * \def MBEDTLS_SSL_SESSION_TICKETS
01488  *
01489  * Enable support for RFC 5077 session tickets in SSL.
01490  * Client-side, provides full support for session tickets (maintainance of a
01491  * session store remains the responsibility of the application, though).
01492  * Server-side, you also need to provide callbacks for writing and parsing
01493  * tickets, including authenticated encryption and key management. Example
01494  * callbacks are provided by MBEDTLS_SSL_TICKET_C.
01495  *
01496  * Comment this macro to disable support for SSL session tickets
01497  */
01498 #define MBEDTLS_SSL_SESSION_TICKETS
01499 
01500 /**
01501  * \def MBEDTLS_SSL_EXPORT_KEYS
01502  *
01503  * Enable support for exporting key block and master secret.
01504  * This is required for certain users of TLS, e.g. EAP-TLS.
01505  *
01506  * Comment this macro to disable support for key export
01507  */
01508 #define MBEDTLS_SSL_EXPORT_KEYS
01509 
01510 /**
01511  * \def MBEDTLS_SSL_SERVER_NAME_INDICATION
01512  *
01513  * Enable support for RFC 6066 server name indication (SNI) in SSL.
01514  *
01515  * Requires: MBEDTLS_X509_CRT_PARSE_C
01516  *
01517  * Comment this macro to disable support for server name indication in SSL
01518  */
01519 #define MBEDTLS_SSL_SERVER_NAME_INDICATION
01520 
01521 /**
01522  * \def MBEDTLS_SSL_TRUNCATED_HMAC
01523  *
01524  * Enable support for RFC 6066 truncated HMAC in SSL.
01525  *
01526  * Comment this macro to disable support for truncated HMAC in SSL
01527  */
01528 //#define MBEDTLS_SSL_TRUNCATED_HMAC
01529 
01530 /**
01531  * \def MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT
01532  *
01533  * Fallback to old (pre-2.7), non-conforming implementation of the truncated
01534  * HMAC extension which also truncates the HMAC key. Note that this option is
01535  * only meant for a transitory upgrade period and is likely to be removed in
01536  * a future version of the library.
01537  *
01538  * \warning The old implementation is non-compliant and has a security weakness
01539  *          (2^80 brute force attack on the HMAC key used for a single,
01540  *          uninterrupted connection). This should only be enabled temporarily
01541  *          when (1) the use of truncated HMAC is essential in order to save
01542  *          bandwidth, and (2) the peer is an Mbed TLS stack that doesn't use
01543  *          the fixed implementation yet (pre-2.7).
01544  *
01545  * \deprecated This option is deprecated and will likely be removed in a
01546  *             future version of Mbed TLS.
01547  *
01548  * Uncomment to fallback to old, non-compliant truncated HMAC implementation.
01549  *
01550  * Requires: MBEDTLS_SSL_TRUNCATED_HMAC
01551  */
01552 //#define MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT
01553 
01554 /**
01555  * \def MBEDTLS_THREADING_ALT
01556  *
01557  * Provide your own alternate threading implementation.
01558  *
01559  * Requires: MBEDTLS_THREADING_C
01560  *
01561  * Uncomment this to allow your own alternate threading implementation.
01562  */
01563 //#define MBEDTLS_THREADING_ALT
01564 
01565 /**
01566  * \def MBEDTLS_THREADING_PTHREAD
01567  *
01568  * Enable the pthread wrapper layer for the threading layer.
01569  *
01570  * Requires: MBEDTLS_THREADING_C
01571  *
01572  * Uncomment this to enable pthread mutexes.
01573  */
01574 //#define MBEDTLS_THREADING_PTHREAD
01575 
01576 /**
01577  * \def MBEDTLS_VERSION_FEATURES
01578  *
01579  * Allow run-time checking of compile-time enabled features. Thus allowing users
01580  * to check at run-time if the library is for instance compiled with threading
01581  * support via mbedtls_version_check_feature().
01582  *
01583  * Requires: MBEDTLS_VERSION_C
01584  *
01585  * Comment this to disable run-time checking and save ROM space
01586  */
01587 #define MBEDTLS_VERSION_FEATURES
01588 
01589 /**
01590  * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
01591  *
01592  * If set, the X509 parser will not break-off when parsing an X509 certificate
01593  * and encountering an extension in a v1 or v2 certificate.
01594  *
01595  * Uncomment to prevent an error.
01596  */
01597 //#define MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
01598 
01599 /**
01600  * \def MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
01601  *
01602  * If set, the X509 parser will not break-off when parsing an X509 certificate
01603  * and encountering an unknown critical extension.
01604  *
01605  * \warning Depending on your PKI use, enabling this can be a security risk!
01606  *
01607  * Uncomment to prevent an error.
01608  */
01609 //#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
01610 
01611 /**
01612  * \def MBEDTLS_X509_CHECK_KEY_USAGE
01613  *
01614  * Enable verification of the keyUsage extension (CA and leaf certificates).
01615  *
01616  * Disabling this avoids problems with mis-issued and/or misused
01617  * (intermediate) CA and leaf certificates.
01618  *
01619  * \warning Depending on your PKI use, disabling this can be a security risk!
01620  *
01621  * Comment to skip keyUsage checking for both CA and leaf certificates.
01622  */
01623 #define MBEDTLS_X509_CHECK_KEY_USAGE
01624 
01625 /**
01626  * \def MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
01627  *
01628  * Enable verification of the extendedKeyUsage extension (leaf certificates).
01629  *
01630  * Disabling this avoids problems with mis-issued and/or misused certificates.
01631  *
01632  * \warning Depending on your PKI use, disabling this can be a security risk!
01633  *
01634  * Comment to skip extendedKeyUsage checking for certificates.
01635  */
01636 #define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
01637 
01638 /**
01639  * \def MBEDTLS_X509_RSASSA_PSS_SUPPORT
01640  *
01641  * Enable parsing and verification of X.509 certificates, CRLs and CSRS
01642  * signed with RSASSA-PSS (aka PKCS#1 v2.1).
01643  *
01644  * Comment this macro to disallow using RSASSA-PSS in certificates.
01645  */
01646 //#define MBEDTLS_X509_RSASSA_PSS_SUPPORT
01647 
01648 /**
01649  * \def MBEDTLS_ZLIB_SUPPORT
01650  *
01651  * If set, the SSL/TLS module uses ZLIB to support compression and
01652  * decompression of packet data.
01653  *
01654  * \warning TLS-level compression MAY REDUCE SECURITY! See for example the
01655  * CRIME attack. Before enabling this option, you should examine with care if
01656  * CRIME or similar exploits may be a applicable to your use case.
01657  *
01658  * \note Currently compression can't be used with DTLS.
01659  *
01660  * \deprecated This feature is deprecated and will be removed
01661  *             in the next major revision of the library.
01662  *
01663  * Used in: library/ssl_tls.c
01664  *          library/ssl_cli.c
01665  *          library/ssl_srv.c
01666  *
01667  * This feature requires zlib library and headers to be present.
01668  *
01669  * Uncomment to enable use of ZLIB
01670  */
01671 //#define MBEDTLS_ZLIB_SUPPORT
01672 /* \} name SECTION: mbed TLS feature support */
01673 
01674 /**
01675  * \name SECTION: mbed TLS modules
01676  *
01677  * This section enables or disables entire modules in mbed TLS
01678  * \{
01679  */
01680 
01681 /**
01682  * \def MBEDTLS_AESNI_C
01683  *
01684  * Enable AES-NI support on x86-64.
01685  *
01686  * Module:  library/aesni.c
01687  * Caller:  library/aes.c
01688  *
01689  * Requires: MBEDTLS_HAVE_ASM
01690  *
01691  * This modules adds support for the AES-NI instructions on x86-64
01692  */
01693 //#define MBEDTLS_AESNI_C
01694 
01695 /**
01696  * \def MBEDTLS_AES_C
01697  *
01698  * Enable the AES block cipher.
01699  *
01700  * Module:  library/aes.c
01701  * Caller:  library/cipher.c
01702  *          library/pem.c
01703  *          library/ctr_drbg.c
01704  *
01705  * This module enables the following ciphersuites (if other requisites are
01706  * enabled as well):
01707  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
01708  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
01709  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
01710  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
01711  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
01712  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
01713  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
01714  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
01715  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
01716  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
01717  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
01718  *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
01719  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
01720  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
01721  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
01722  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
01723  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
01724  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
01725  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
01726  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
01727  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
01728  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
01729  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
01730  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
01731  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
01732  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
01733  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
01734  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
01735  *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
01736  *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
01737  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
01738  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
01739  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
01740  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
01741  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA
01742  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
01743  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
01744  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
01745  *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
01746  *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA
01747  *      MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384
01748  *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256
01749  *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA
01750  *      MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256
01751  *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256
01752  *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA
01753  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
01754  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
01755  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA
01756  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
01757  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
01758  *      MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA
01759  *      MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384
01760  *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384
01761  *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA
01762  *      MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256
01763  *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256
01764  *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA
01765  *
01766  * PEM_PARSE uses AES for decrypting encrypted keys.
01767  */
01768 #define MBEDTLS_AES_C
01769 
01770 /**
01771  * \def MBEDTLS_ARC4_C
01772  *
01773  * Enable the ARCFOUR stream cipher.
01774  *
01775  * Module:  library/arc4.c
01776  * Caller:  library/cipher.c
01777  *
01778  * This module enables the following ciphersuites (if other requisites are
01779  * enabled as well):
01780  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
01781  *      MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA
01782  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
01783  *      MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA
01784  *      MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA
01785  *      MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA
01786  *      MBEDTLS_TLS_RSA_WITH_RC4_128_SHA
01787  *      MBEDTLS_TLS_RSA_WITH_RC4_128_MD5
01788  *      MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA
01789  *      MBEDTLS_TLS_PSK_WITH_RC4_128_SHA
01790  *
01791  * \warning   ARC4 is considered a weak cipher and its use constitutes a
01792  *            security risk. If possible, we recommend avoidng dependencies on
01793  *            it, and considering stronger ciphers instead.
01794  *
01795  */
01796 //#define MBEDTLS_ARC4_C
01797 
01798 /**
01799  * \def MBEDTLS_ASN1_PARSE_C
01800  *
01801  * Enable the generic ASN1 parser.
01802  *
01803  * Module:  library/asn1.c
01804  * Caller:  library/x509.c
01805  *          library/dhm.c
01806  *          library/pkcs12.c
01807  *          library/pkcs5.c
01808  *          library/pkparse.c
01809  */
01810 #define MBEDTLS_ASN1_PARSE_C
01811 
01812 /**
01813  * \def MBEDTLS_ASN1_WRITE_C
01814  *
01815  * Enable the generic ASN1 writer.
01816  *
01817  * Module:  library/asn1write.c
01818  * Caller:  library/ecdsa.c
01819  *          library/pkwrite.c
01820  *          library/x509_create.c
01821  *          library/x509write_crt.c
01822  *          library/x509write_csr.c
01823  */
01824 #define MBEDTLS_ASN1_WRITE_C
01825 
01826 /**
01827  * \def MBEDTLS_BASE64_C
01828  *
01829  * Enable the Base64 module.
01830  *
01831  * Module:  library/base64.c
01832  * Caller:  library/pem.c
01833  *
01834  * This module is required for PEM support (required by X.509).
01835  */
01836 #define MBEDTLS_BASE64_C
01837 
01838 /**
01839  * \def MBEDTLS_BIGNUM_C
01840  *
01841  * Enable the multi-precision integer library.
01842  *
01843  * Module:  library/bignum.c
01844  * Caller:  library/dhm.c
01845  *          library/ecp.c
01846  *          library/ecdsa.c
01847  *          library/rsa.c
01848  *          library/rsa_internal.c
01849  *          library/ssl_tls.c
01850  *
01851  * This module is required for RSA, DHM and ECC (ECDH, ECDSA) support.
01852  */
01853 #define MBEDTLS_BIGNUM_C
01854 
01855 /**
01856  * \def MBEDTLS_BLOWFISH_C
01857  *
01858  * Enable the Blowfish block cipher.
01859  *
01860  * Module:  library/blowfish.c
01861  */
01862 //#define MBEDTLS_BLOWFISH_C
01863 
01864 /**
01865  * \def MBEDTLS_CAMELLIA_C
01866  *
01867  * Enable the Camellia block cipher.
01868  *
01869  * Module:  library/camellia.c
01870  * Caller:  library/cipher.c
01871  *
01872  * This module enables the following ciphersuites (if other requisites are
01873  * enabled as well):
01874  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
01875  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
01876  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
01877  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
01878  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
01879  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
01880  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
01881  *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
01882  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
01883  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
01884  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
01885  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
01886  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
01887  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
01888  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
01889  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
01890  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
01891  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
01892  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
01893  *      MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
01894  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
01895  *      MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
01896  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384
01897  *      MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
01898  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
01899  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256
01900  *      MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
01901  *      MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
01902  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
01903  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
01904  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
01905  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
01906  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
01907  *      MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
01908  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384
01909  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384
01910  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256
01911  *      MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256
01912  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384
01913  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384
01914  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
01915  *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
01916  */
01917 //#define MBEDTLS_CAMELLIA_C
01918 
01919 /**
01920  * \def MBEDTLS_ARIA_C
01921  *
01922  * Enable the ARIA block cipher.
01923  *
01924  * Module:  library/aria.c
01925  * Caller:  library/cipher.c
01926  *
01927  * This module enables the following ciphersuites (if other requisites are
01928  * enabled as well):
01929  *
01930  *      MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256
01931  *      MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384
01932  *      MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256
01933  *      MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384
01934  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256
01935  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384
01936  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256
01937  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384
01938  *      MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256
01939  *      MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384
01940  *      MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256
01941  *      MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384
01942  *      MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256
01943  *      MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384
01944  *      MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256
01945  *      MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384
01946  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256
01947  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384
01948  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256
01949  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384
01950  *      MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256
01951  *      MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384
01952  *      MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256
01953  *      MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384
01954  *      MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256
01955  *      MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384
01956  *      MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256
01957  *      MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384
01958  *      MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256
01959  *      MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384
01960  *      MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256
01961  *      MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384
01962  *      MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256
01963  *      MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384
01964  *      MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256
01965  *      MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384
01966  *      MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256
01967  *      MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384
01968  */
01969 //#define MBEDTLS_ARIA_C
01970 
01971 /**
01972  * \def MBEDTLS_CCM_C
01973  *
01974  * Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher.
01975  *
01976  * Module:  library/ccm.c
01977  *
01978  * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C
01979  *
01980  * This module enables the AES-CCM ciphersuites, if other requisites are
01981  * enabled as well.
01982  */
01983 #define MBEDTLS_CCM_C
01984 
01985 /**
01986  * \def MBEDTLS_CERTS_C
01987  *
01988  * Enable the test certificates.
01989  *
01990  * Module:  library/certs.c
01991  * Caller:
01992  *
01993  * This module is used for testing (ssl_client/server).
01994  */
01995 #define MBEDTLS_CERTS_C
01996 
01997 /**
01998  * \def MBEDTLS_CHACHA20_C
01999  *
02000  * Enable the ChaCha20 stream cipher.
02001  *
02002  * Module:  library/chacha20.c
02003  */
02004 #define MBEDTLS_CHACHA20_C
02005 
02006 /**
02007  * \def MBEDTLS_CHACHAPOLY_C
02008  *
02009  * Enable the ChaCha20-Poly1305 AEAD algorithm.
02010  *
02011  * Module:  library/chachapoly.c
02012  *
02013  * This module requires: MBEDTLS_CHACHA20_C, MBEDTLS_POLY1305_C
02014  */
02015 #define MBEDTLS_CHACHAPOLY_C
02016 
02017 /**
02018  * \def MBEDTLS_CIPHER_C
02019  *
02020  * Enable the generic cipher layer.
02021  *
02022  * Module:  library/cipher.c
02023  * Caller:  library/ssl_tls.c
02024  *
02025  * Uncomment to enable generic cipher wrappers.
02026  */
02027 #define MBEDTLS_CIPHER_C
02028 
02029 /**
02030  * \def MBEDTLS_CMAC_C
02031  *
02032  * Enable the CMAC (Cipher-based Message Authentication Code) mode for block
02033  * ciphers.
02034  *
02035  * Module:  library/cmac.c
02036  *
02037  * Requires: MBEDTLS_AES_C or MBEDTLS_DES_C
02038  *
02039  */
02040 #define MBEDTLS_CMAC_C
02041 
02042 /**
02043  * \def MBEDTLS_CTR_DRBG_C
02044  *
02045  * Enable the CTR_DRBG AES-256-based random generator.
02046  *
02047  * Module:  library/ctr_drbg.c
02048  * Caller:
02049  *
02050  * Requires: MBEDTLS_AES_C
02051  *
02052  * This module provides the CTR_DRBG AES-256 random number generator.
02053  */
02054 #define MBEDTLS_CTR_DRBG_C
02055 
02056 /**
02057  * \def MBEDTLS_DEBUG_C
02058  *
02059  * Enable the debug functions.
02060  *
02061  * Module:  library/debug.c
02062  * Caller:  library/ssl_cli.c
02063  *          library/ssl_srv.c
02064  *          library/ssl_tls.c
02065  *
02066  * This module provides debugging functions.
02067  */
02068 #define MBEDTLS_DEBUG_C
02069 
02070 /**
02071  * \def MBEDTLS_DES_C
02072  *
02073  * Enable the DES block cipher.
02074  *
02075  * Module:  library/des.c
02076  * Caller:  library/pem.c
02077  *          library/cipher.c
02078  *
02079  * This module enables the following ciphersuites (if other requisites are
02080  * enabled as well):
02081  *      MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
02082  *      MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
02083  *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
02084  *      MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
02085  *      MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
02086  *      MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
02087  *      MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
02088  *      MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA
02089  *      MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
02090  *      MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA
02091  *
02092  * PEM_PARSE uses DES/3DES for decrypting encrypted keys.
02093  *
02094  * \warning   DES is considered a weak cipher and its use constitutes a
02095  *            security risk. We recommend considering stronger ciphers instead.
02096  */
02097 //#define MBEDTLS_DES_C
02098 
02099 /**
02100  * \def MBEDTLS_DHM_C
02101  *
02102  * Enable the Diffie-Hellman-Merkle module.
02103  *
02104  * Module:  library/dhm.c
02105  * Caller:  library/ssl_cli.c
02106  *          library/ssl_srv.c
02107  *
02108  * This module is used by the following key exchanges:
02109  *      DHE-RSA, DHE-PSK
02110  *
02111  * \warning    Using DHE constitutes a security risk as it
02112  *             is not possible to validate custom DH parameters.
02113  *             If possible, it is recommended users should consider
02114  *             preferring other methods of key exchange.
02115  *             See dhm.h for more details.
02116  *
02117  */
02118 //#define MBEDTLS_DHM_C
02119 
02120 /**
02121  * \def MBEDTLS_ECDH_C
02122  *
02123  * Enable the elliptic curve Diffie-Hellman library.
02124  *
02125  * Module:  library/ecdh.c
02126  * Caller:  library/ssl_cli.c
02127  *          library/ssl_srv.c
02128  *
02129  * This module is used by the following key exchanges:
02130  *      ECDHE-ECDSA, ECDHE-RSA, DHE-PSK
02131  *
02132  * Requires: MBEDTLS_ECP_C
02133  */
02134 #define MBEDTLS_ECDH_C
02135 
02136 /**
02137  * \def MBEDTLS_ECDSA_C
02138  *
02139  * Enable the elliptic curve DSA library.
02140  *
02141  * Module:  library/ecdsa.c
02142  * Caller:
02143  *
02144  * This module is used by the following key exchanges:
02145  *      ECDHE-ECDSA
02146  *
02147  * Requires: MBEDTLS_ECP_C, MBEDTLS_ASN1_WRITE_C, MBEDTLS_ASN1_PARSE_C
02148  */
02149 #define MBEDTLS_ECDSA_C
02150 
02151 /**
02152  * \def MBEDTLS_ECJPAKE_C
02153  *
02154  * Enable the elliptic curve J-PAKE library.
02155  *
02156  * \warning This is currently experimental. EC J-PAKE support is based on the
02157  * Thread v1.0.0 specification; incompatible changes to the specification
02158  * might still happen. For this reason, this is disabled by default.
02159  *
02160  * Module:  library/ecjpake.c
02161  * Caller:
02162  *
02163  * This module is used by the following key exchanges:
02164  *      ECJPAKE
02165  *
02166  * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C
02167  */
02168 //#define MBEDTLS_ECJPAKE_C
02169 
02170 /**
02171  * \def MBEDTLS_ECP_C
02172  *
02173  * Enable the elliptic curve over GF(p) library.
02174  *
02175  * Module:  library/ecp.c
02176  * Caller:  library/ecdh.c
02177  *          library/ecdsa.c
02178  *          library/ecjpake.c
02179  *
02180  * Requires: MBEDTLS_BIGNUM_C and at least one MBEDTLS_ECP_DP_XXX_ENABLED
02181  */
02182 #define MBEDTLS_ECP_C
02183 
02184 /**
02185  * \def MBEDTLS_ENTROPY_C
02186  *
02187  * Enable the platform-specific entropy code.
02188  *
02189  * Module:  library/entropy.c
02190  * Caller:
02191  *
02192  * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C
02193  *
02194  * This module provides a generic entropy pool
02195  */
02196 #define MBEDTLS_ENTROPY_C
02197 
02198 /**
02199  * \def MBEDTLS_ERROR_C
02200  *
02201  * Enable error code to error string conversion.
02202  *
02203  * Module:  library/error.c
02204  * Caller:
02205  *
02206  * This module enables mbedtls_strerror().
02207  */
02208 #define MBEDTLS_ERROR_C
02209 
02210 /**
02211  * \def MBEDTLS_GCM_C
02212  *
02213  * Enable the Galois/Counter Mode (GCM) for AES.
02214  *
02215  * Module:  library/gcm.c
02216  *
02217  * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C
02218  *
02219  * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other
02220  * requisites are enabled as well.
02221  */
02222 #define MBEDTLS_GCM_C
02223 
02224 /**
02225  * \def MBEDTLS_HAVEGE_C
02226  *
02227  * Enable the HAVEGE random generator.
02228  *
02229  * Warning: the HAVEGE random generator is not suitable for virtualized
02230  *          environments
02231  *
02232  * Warning: the HAVEGE random generator is dependent on timing and specific
02233  *          processor traits. It is therefore not advised to use HAVEGE as
02234  *          your applications primary random generator or primary entropy pool
02235  *          input. As a secondary input to your entropy pool, it IS able add
02236  *          the (limited) extra entropy it provides.
02237  *
02238  * Module:  library/havege.c
02239  * Caller:
02240  *
02241  * Requires: MBEDTLS_TIMING_C
02242  *
02243  * Uncomment to enable the HAVEGE random generator.
02244  */
02245 //#define MBEDTLS_HAVEGE_C
02246 
02247 /**
02248  * \def MBEDTLS_HKDF_C
02249  *
02250  * Enable the HKDF algorithm (RFC 5869).
02251  *
02252  * Module:  library/hkdf.c
02253  * Caller:
02254  *
02255  * Requires: MBEDTLS_MD_C
02256  *
02257  * This module adds support for the Hashed Message Authentication Code
02258  * (HMAC)-based key derivation function (HKDF).
02259  */
02260 #define MBEDTLS_HKDF_C
02261 
02262 /**
02263  * \def MBEDTLS_HMAC_DRBG_C
02264  *
02265  * Enable the HMAC_DRBG random generator.
02266  *
02267  * Module:  library/hmac_drbg.c
02268  * Caller:
02269  *
02270  * Requires: MBEDTLS_MD_C
02271  *
02272  * Uncomment to enable the HMAC_DRBG random number geerator.
02273  */
02274 #define MBEDTLS_HMAC_DRBG_C
02275 
02276 /**
02277  * \def MBEDTLS_NIST_KW_C
02278  *
02279  * Enable the Key Wrapping mode for 128-bit block ciphers,
02280  * as defined in NIST SP 800-38F. Only KW and KWP modes
02281  * are supported. At the moment, only AES is approved by NIST.
02282  *
02283  * Module:  library/nist_kw.c
02284  *
02285  * Requires: MBEDTLS_AES_C and MBEDTLS_CIPHER_C
02286  */
02287 //#define MBEDTLS_NIST_KW_C
02288 
02289 /**
02290  * \def MBEDTLS_MD_C
02291  *
02292  * Enable the generic message digest layer.
02293  *
02294  * Module:  library/md.c
02295  * Caller:
02296  *
02297  * Uncomment to enable generic message digest wrappers.
02298  */
02299 #define MBEDTLS_MD_C
02300 
02301 /**
02302  * \def MBEDTLS_MD2_C
02303  *
02304  * Enable the MD2 hash algorithm.
02305  *
02306  * Module:  library/md2.c
02307  * Caller:
02308  *
02309  * Uncomment to enable support for (rare) MD2-signed X.509 certs.
02310  *
02311  * \warning   MD2 is considered a weak message digest and its use constitutes a
02312  *            security risk. If possible, we recommend avoiding dependencies on
02313  *            it, and considering stronger message digests instead.
02314  *
02315  */
02316 //#define MBEDTLS_MD2_C
02317 
02318 /**
02319  * \def MBEDTLS_MD4_C
02320  *
02321  * Enable the MD4 hash algorithm.
02322  *
02323  * Module:  library/md4.c
02324  * Caller:
02325  *
02326  * Uncomment to enable support for (rare) MD4-signed X.509 certs.
02327  *
02328  * \warning   MD4 is considered a weak message digest and its use constitutes a
02329  *            security risk. If possible, we recommend avoiding dependencies on
02330  *            it, and considering stronger message digests instead.
02331  *
02332  */
02333 //#define MBEDTLS_MD4_C
02334 
02335 /**
02336  * \def MBEDTLS_MD5_C
02337  *
02338  * Enable the MD5 hash algorithm.
02339  *
02340  * Module:  library/md5.c
02341  * Caller:  library/md.c
02342  *          library/pem.c
02343  *          library/ssl_tls.c
02344  *
02345  * This module is required for SSL/TLS up to version 1.1, and for TLS 1.2
02346  * depending on the handshake parameters. Further, it is used for checking
02347  * MD5-signed certificates, and for PBKDF1 when decrypting PEM-encoded
02348  * encrypted keys.
02349  *
02350  * \warning   MD5 is considered a weak message digest and its use constitutes a
02351  *            security risk. If possible, we recommend avoiding dependencies on
02352  *            it, and considering stronger message digests instead.
02353  *
02354  */
02355 //#define MBEDTLS_MD5_C
02356 
02357 /**
02358  * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C
02359  *
02360  * Enable the buffer allocator implementation that makes use of a (stack)
02361  * based buffer to 'allocate' dynamic memory. (replaces calloc() and free()
02362  * calls)
02363  *
02364  * Module:  library/memory_buffer_alloc.c
02365  *
02366  * Requires: MBEDTLS_PLATFORM_C
02367  *           MBEDTLS_PLATFORM_MEMORY (to use it within mbed TLS)
02368  *
02369  * Enable this module to enable the buffer memory allocator.
02370  */
02371 //#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
02372 
02373 /**
02374  * \def MBEDTLS_NET_C
02375  *
02376  * Enable the TCP and UDP over IPv6/IPv4 networking routines.
02377  *
02378  * \note This module only works on POSIX/Unix (including Linux, BSD and OS X)
02379  * and Windows. For other platforms, you'll want to disable it, and write your
02380  * own networking callbacks to be passed to \c mbedtls_ssl_set_bio().
02381  *
02382  * \note See also our Knowledge Base article about porting to a new
02383  * environment:
02384  * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
02385  *
02386  * Module:  library/net_sockets.c
02387  *
02388  * This module provides networking routines.
02389  */
02390 //#define MBEDTLS_NET_C
02391 
02392 /**
02393  * \def MBEDTLS_OID_C
02394  *
02395  * Enable the OID database.
02396  *
02397  * Module:  library/oid.c
02398  * Caller:  library/asn1write.c
02399  *          library/pkcs5.c
02400  *          library/pkparse.c
02401  *          library/pkwrite.c
02402  *          library/rsa.c
02403  *          library/x509.c
02404  *          library/x509_create.c
02405  *          library/x509_crl.c
02406  *          library/x509_crt.c
02407  *          library/x509_csr.c
02408  *          library/x509write_crt.c
02409  *          library/x509write_csr.c
02410  *
02411  * This modules translates between OIDs and internal values.
02412  */
02413 #define MBEDTLS_OID_C
02414 
02415 /**
02416  * \def MBEDTLS_PADLOCK_C
02417  *
02418  * Enable VIA Padlock support on x86.
02419  *
02420  * Module:  library/padlock.c
02421  * Caller:  library/aes.c
02422  *
02423  * Requires: MBEDTLS_HAVE_ASM
02424  *
02425  * This modules adds support for the VIA PadLock on x86.
02426  */
02427 //#define MBEDTLS_PADLOCK_C
02428 
02429 /**
02430  * \def MBEDTLS_PEM_PARSE_C
02431  *
02432  * Enable PEM decoding / parsing.
02433  *
02434  * Module:  library/pem.c
02435  * Caller:  library/dhm.c
02436  *          library/pkparse.c
02437  *          library/x509_crl.c
02438  *          library/x509_crt.c
02439  *          library/x509_csr.c
02440  *
02441  * Requires: MBEDTLS_BASE64_C
02442  *
02443  * This modules adds support for decoding / parsing PEM files.
02444  */
02445 #define MBEDTLS_PEM_PARSE_C
02446 
02447 /**
02448  * \def MBEDTLS_PEM_WRITE_C
02449  *
02450  * Enable PEM encoding / writing.
02451  *
02452  * Module:  library/pem.c
02453  * Caller:  library/pkwrite.c
02454  *          library/x509write_crt.c
02455  *          library/x509write_csr.c
02456  *
02457  * Requires: MBEDTLS_BASE64_C
02458  *
02459  * This modules adds support for encoding / writing PEM files.
02460  */
02461 //#define MBEDTLS_PEM_WRITE_C
02462 
02463 /**
02464  * \def MBEDTLS_PK_C
02465  *
02466  * Enable the generic public (asymetric) key layer.
02467  *
02468  * Module:  library/pk.c
02469  * Caller:  library/ssl_tls.c
02470  *          library/ssl_cli.c
02471  *          library/ssl_srv.c
02472  *
02473  * Requires: MBEDTLS_RSA_C or MBEDTLS_ECP_C
02474  *
02475  * Uncomment to enable generic public key wrappers.
02476  */
02477 #define MBEDTLS_PK_C
02478 
02479 /**
02480  * \def MBEDTLS_PK_PARSE_C
02481  *
02482  * Enable the generic public (asymetric) key parser.
02483  *
02484  * Module:  library/pkparse.c
02485  * Caller:  library/x509_crt.c
02486  *          library/x509_csr.c
02487  *
02488  * Requires: MBEDTLS_PK_C
02489  *
02490  * Uncomment to enable generic public key parse functions.
02491  */
02492 #define MBEDTLS_PK_PARSE_C
02493 
02494 /**
02495  * \def MBEDTLS_PK_WRITE_C
02496  *
02497  * Enable the generic public (asymetric) key writer.
02498  *
02499  * Module:  library/pkwrite.c
02500  * Caller:  library/x509write.c
02501  *
02502  * Requires: MBEDTLS_PK_C
02503  *
02504  * Uncomment to enable generic public key write functions.
02505  */
02506 #define MBEDTLS_PK_WRITE_C
02507 
02508 /**
02509  * \def MBEDTLS_PKCS5_C
02510  *
02511  * Enable PKCS#5 functions.
02512  *
02513  * Module:  library/pkcs5.c
02514  *
02515  * Requires: MBEDTLS_MD_C
02516  *
02517  * This module adds support for the PKCS#5 functions.
02518  */
02519 //#define MBEDTLS_PKCS5_C
02520 
02521 /**
02522  * \def MBEDTLS_PKCS11_C
02523  *
02524  * Enable wrapper for PKCS#11 smartcard support.
02525  *
02526  * Module:  library/pkcs11.c
02527  * Caller:  library/pk.c
02528  *
02529  * Requires: MBEDTLS_PK_C
02530  *
02531  * This module enables SSL/TLS PKCS #11 smartcard support.
02532  * Requires the presence of the PKCS#11 helper library (libpkcs11-helper)
02533  */
02534 //#define MBEDTLS_PKCS11_C
02535 
02536 /**
02537  * \def MBEDTLS_PKCS12_C
02538  *
02539  * Enable PKCS#12 PBE functions.
02540  * Adds algorithms for parsing PKCS#8 encrypted private keys
02541  *
02542  * Module:  library/pkcs12.c
02543  * Caller:  library/pkparse.c
02544  *
02545  * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_CIPHER_C, MBEDTLS_MD_C
02546  * Can use:  MBEDTLS_ARC4_C
02547  *
02548  * This module enables PKCS#12 functions.
02549  */
02550 //#define MBEDTLS_PKCS12_C
02551 
02552 /**
02553  * \def MBEDTLS_PLATFORM_C
02554  *
02555  * Enable the platform abstraction layer that allows you to re-assign
02556  * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit().
02557  *
02558  * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT
02559  * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned
02560  * above to be specified at runtime or compile time respectively.
02561  *
02562  * \note This abstraction layer must be enabled on Windows (including MSYS2)
02563  * as other module rely on it for a fixed snprintf implementation.
02564  *
02565  * Module:  library/platform.c
02566  * Caller:  Most other .c files
02567  *
02568  * This module enables abstraction of common (libc) functions.
02569  */
02570 #define MBEDTLS_PLATFORM_C
02571 
02572 /**
02573  * \def MBEDTLS_POLY1305_C
02574  *
02575  * Enable the Poly1305 MAC algorithm.
02576  *
02577  * Module:  library/poly1305.c
02578  * Caller:  library/chachapoly.c
02579  */
02580 #define MBEDTLS_POLY1305_C
02581 
02582 /**
02583  * \def MBEDTLS_RIPEMD160_C
02584  *
02585  * Enable the RIPEMD-160 hash algorithm.
02586  *
02587  * Module:  library/ripemd160.c
02588  * Caller:  library/md.c
02589  *
02590  */
02591 //#define MBEDTLS_RIPEMD160_C
02592 
02593 /**
02594  * \def MBEDTLS_RSA_C
02595  *
02596  * Enable the RSA public-key cryptosystem.
02597  *
02598  * Module:  library/rsa.c
02599  *          library/rsa_internal.c
02600  * Caller:  library/ssl_cli.c
02601  *          library/ssl_srv.c
02602  *          library/ssl_tls.c
02603  *          library/x509.c
02604  *
02605  * This module is used by the following key exchanges:
02606  *      RSA, DHE-RSA, ECDHE-RSA, RSA-PSK
02607  *
02608  * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C
02609  */
02610 #define MBEDTLS_RSA_C
02611 
02612 /**
02613  * \def MBEDTLS_SHA1_C
02614  *
02615  * Enable the SHA1 cryptographic hash algorithm.
02616  *
02617  * Module:  library/sha1.c
02618  * Caller:  library/md.c
02619  *          library/ssl_cli.c
02620  *          library/ssl_srv.c
02621  *          library/ssl_tls.c
02622  *          library/x509write_crt.c
02623  *
02624  * This module is required for SSL/TLS up to version 1.1, for TLS 1.2
02625  * depending on the handshake parameters, and for SHA1-signed certificates.
02626  *
02627  * \warning   SHA-1 is considered a weak message digest and its use constitutes
02628  *            a security risk. If possible, we recommend avoiding dependencies
02629  *            on it, and considering stronger message digests instead.
02630  *
02631  */
02632 //#define MBEDTLS_SHA1_C
02633 
02634 /**
02635  * \def MBEDTLS_SHA256_C
02636  *
02637  * Enable the SHA-224 and SHA-256 cryptographic hash algorithms.
02638  *
02639  * Module:  library/sha256.c
02640  * Caller:  library/entropy.c
02641  *          library/md.c
02642  *          library/ssl_cli.c
02643  *          library/ssl_srv.c
02644  *          library/ssl_tls.c
02645  *
02646  * This module adds support for SHA-224 and SHA-256.
02647  * This module is required for the SSL/TLS 1.2 PRF function.
02648  */
02649 #define MBEDTLS_SHA256_C
02650 
02651 /**
02652  * \def MBEDTLS_SHA512_C
02653  *
02654  * Enable the SHA-384 and SHA-512 cryptographic hash algorithms.
02655  *
02656  * Module:  library/sha512.c
02657  * Caller:  library/entropy.c
02658  *          library/md.c
02659  *          library/ssl_cli.c
02660  *          library/ssl_srv.c
02661  *
02662  * This module adds support for SHA-384 and SHA-512.
02663  */
02664 #define MBEDTLS_SHA512_C
02665 
02666 /**
02667  * \def MBEDTLS_SSL_CACHE_C
02668  *
02669  * Enable simple SSL cache implementation.
02670  *
02671  * Module:  library/ssl_cache.c
02672  * Caller:
02673  *
02674  * Requires: MBEDTLS_SSL_CACHE_C
02675  */
02676 #define MBEDTLS_SSL_CACHE_C
02677 
02678 /**
02679  * \def MBEDTLS_SSL_COOKIE_C
02680  *
02681  * Enable basic implementation of DTLS cookies for hello verification.
02682  *
02683  * Module:  library/ssl_cookie.c
02684  * Caller:
02685  */
02686 #define MBEDTLS_SSL_COOKIE_C
02687 
02688 /**
02689  * \def MBEDTLS_SSL_TICKET_C
02690  *
02691  * Enable an implementation of TLS server-side callbacks for session tickets.
02692  *
02693  * Module:  library/ssl_ticket.c
02694  * Caller:
02695  *
02696  * Requires: MBEDTLS_CIPHER_C
02697  */
02698 #define MBEDTLS_SSL_TICKET_C
02699 
02700 /**
02701  * \def MBEDTLS_SSL_CLI_C
02702  *
02703  * Enable the SSL/TLS client code.
02704  *
02705  * Module:  library/ssl_cli.c
02706  * Caller:
02707  *
02708  * Requires: MBEDTLS_SSL_TLS_C
02709  *
02710  * This module is required for SSL/TLS client support.
02711  */
02712 #define MBEDTLS_SSL_CLI_C
02713 
02714 /**
02715  * \def MBEDTLS_SSL_SRV_C
02716  *
02717  * Enable the SSL/TLS server code.
02718  *
02719  * Module:  library/ssl_srv.c
02720  * Caller:
02721  *
02722  * Requires: MBEDTLS_SSL_TLS_C
02723  *
02724  * This module is required for SSL/TLS server support.
02725  */
02726 #define MBEDTLS_SSL_SRV_C
02727 
02728 /**
02729  * \def MBEDTLS_SSL_TLS_C
02730  *
02731  * Enable the generic SSL/TLS code.
02732  *
02733  * Module:  library/ssl_tls.c
02734  * Caller:  library/ssl_cli.c
02735  *          library/ssl_srv.c
02736  *
02737  * Requires: MBEDTLS_CIPHER_C, MBEDTLS_MD_C
02738  *           and at least one of the MBEDTLS_SSL_PROTO_XXX defines
02739  *
02740  * This module is required for SSL/TLS.
02741  */
02742 #define MBEDTLS_SSL_TLS_C
02743 
02744 /**
02745  * \def MBEDTLS_THREADING_C
02746  *
02747  * Enable the threading abstraction layer.
02748  * By default mbed TLS assumes it is used in a non-threaded environment or that
02749  * contexts are not shared between threads. If you do intend to use contexts
02750  * between threads, you will need to enable this layer to prevent race
02751  * conditions. See also our Knowledge Base article about threading:
02752  * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading
02753  *
02754  * Module:  library/threading.c
02755  *
02756  * This allows different threading implementations (self-implemented or
02757  * provided).
02758  *
02759  * You will have to enable either MBEDTLS_THREADING_ALT or
02760  * MBEDTLS_THREADING_PTHREAD.
02761  *
02762  * Enable this layer to allow use of mutexes within mbed TLS
02763  */
02764 //#define MBEDTLS_THREADING_C
02765 
02766 /**
02767  * \def MBEDTLS_TIMING_C
02768  *
02769  * Enable the semi-portable timing interface.
02770  *
02771  * \note The provided implementation only works on POSIX/Unix (including Linux,
02772  * BSD and OS X) and Windows. On other platforms, you can either disable that
02773  * module and provide your own implementations of the callbacks needed by
02774  * \c mbedtls_ssl_set_timer_cb() for DTLS, or leave it enabled and provide
02775  * your own implementation of the whole module by setting
02776  * \c MBEDTLS_TIMING_ALT in the current file.
02777  *
02778  * \note See also our Knowledge Base article about porting to a new
02779  * environment:
02780  * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
02781  *
02782  * Module:  library/timing.c
02783  * Caller:  library/havege.c
02784  *
02785  * This module is used by the HAVEGE random number generator.
02786  */
02787 //#define MBEDTLS_TIMING_C
02788 
02789 /**
02790  * \def MBEDTLS_VERSION_C
02791  *
02792  * Enable run-time version information.
02793  *
02794  * Module:  library/version.c
02795  *
02796  * This module provides run-time version information.
02797  */
02798 #define MBEDTLS_VERSION_C
02799 
02800 /**
02801  * \def MBEDTLS_X509_USE_C
02802  *
02803  * Enable X.509 core for using certificates.
02804  *
02805  * Module:  library/x509.c
02806  * Caller:  library/x509_crl.c
02807  *          library/x509_crt.c
02808  *          library/x509_csr.c
02809  *
02810  * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_BIGNUM_C, MBEDTLS_OID_C,
02811  *           MBEDTLS_PK_PARSE_C
02812  *
02813  * This module is required for the X.509 parsing modules.
02814  */
02815 #define MBEDTLS_X509_USE_C
02816 
02817 /**
02818  * \def MBEDTLS_X509_CRT_PARSE_C
02819  *
02820  * Enable X.509 certificate parsing.
02821  *
02822  * Module:  library/x509_crt.c
02823  * Caller:  library/ssl_cli.c
02824  *          library/ssl_srv.c
02825  *          library/ssl_tls.c
02826  *
02827  * Requires: MBEDTLS_X509_USE_C
02828  *
02829  * This module is required for X.509 certificate parsing.
02830  */
02831 #define MBEDTLS_X509_CRT_PARSE_C
02832 
02833 /**
02834  * \def MBEDTLS_X509_CRL_PARSE_C
02835  *
02836  * Enable X.509 CRL parsing.
02837  *
02838  * Module:  library/x509_crl.c
02839  * Caller:  library/x509_crt.c
02840  *
02841  * Requires: MBEDTLS_X509_USE_C
02842  *
02843  * This module is required for X.509 CRL parsing.
02844  */
02845 #define MBEDTLS_X509_CRL_PARSE_C
02846 
02847 /**
02848  * \def MBEDTLS_X509_CSR_PARSE_C
02849  *
02850  * Enable X.509 Certificate Signing Request (CSR) parsing.
02851  *
02852  * Module:  library/x509_csr.c
02853  * Caller:  library/x509_crt_write.c
02854  *
02855  * Requires: MBEDTLS_X509_USE_C
02856  *
02857  * This module is used for reading X.509 certificate request.
02858  */
02859 //#define MBEDTLS_X509_CSR_PARSE_C
02860 
02861 /**
02862  * \def MBEDTLS_X509_CREATE_C
02863  *
02864  * Enable X.509 core for creating certificates.
02865  *
02866  * Module:  library/x509_create.c
02867  *
02868  * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, MBEDTLS_PK_WRITE_C
02869  *
02870  * This module is the basis for creating X.509 certificates and CSRs.
02871  */
02872 //#define MBEDTLS_X509_CREATE_C
02873 
02874 /**
02875  * \def MBEDTLS_X509_CRT_WRITE_C
02876  *
02877  * Enable creating X.509 certificates.
02878  *
02879  * Module:  library/x509_crt_write.c
02880  *
02881  * Requires: MBEDTLS_X509_CREATE_C
02882  *
02883  * This module is required for X.509 certificate creation.
02884  */
02885 //#define MBEDTLS_X509_CRT_WRITE_C
02886 
02887 /**
02888  * \def MBEDTLS_X509_CSR_WRITE_C
02889  *
02890  * Enable creating X.509 Certificate Signing Requests (CSR).
02891  *
02892  * Module:  library/x509_csr_write.c
02893  *
02894  * Requires: MBEDTLS_X509_CREATE_C
02895  *
02896  * This module is required for X.509 certificate request writing.
02897  */
02898 //#define MBEDTLS_X509_CSR_WRITE_C
02899 
02900 /**
02901  * \def MBEDTLS_XTEA_C
02902  *
02903  * Enable the XTEA block cipher.
02904  *
02905  * Module:  library/xtea.c
02906  * Caller:
02907  */
02908 //#define MBEDTLS_XTEA_C
02909 
02910 /* \} name SECTION: mbed TLS modules */
02911 
02912 /**
02913  * \name SECTION: Module configuration options
02914  *
02915  * This section allows for the setting of module specific sizes and
02916  * configuration options. The default values are already present in the
02917  * relevant header files and should suffice for the regular use cases.
02918  *
02919  * Our advice is to enable options and change their values here
02920  * only if you have a good reason and know the consequences.
02921  *
02922  * Please check the respective header file for documentation on these
02923  * parameters (to prevent duplicate documentation).
02924  * \{
02925  */
02926 
02927 /* MPI / BIGNUM options */
02928 //#define MBEDTLS_MPI_WINDOW_SIZE            6 /**< Maximum windows size used. */
02929 //#define MBEDTLS_MPI_MAX_SIZE            1024 /**< Maximum number of bytes for usable MPIs. */
02930 
02931 /* CTR_DRBG options */
02932 //#define MBEDTLS_CTR_DRBG_ENTROPY_LEN               48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */
02933 //#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL        10000 /**< Interval before reseed is performed by default */
02934 //#define MBEDTLS_CTR_DRBG_MAX_INPUT                256 /**< Maximum number of additional input bytes */
02935 //#define MBEDTLS_CTR_DRBG_MAX_REQUEST             1024 /**< Maximum number of requested bytes per call */
02936 //#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT           384 /**< Maximum size of (re)seed buffer */
02937 
02938 /* HMAC_DRBG options */
02939 //#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL   10000 /**< Interval before reseed is performed by default */
02940 //#define MBEDTLS_HMAC_DRBG_MAX_INPUT           256 /**< Maximum number of additional input bytes */
02941 //#define MBEDTLS_HMAC_DRBG_MAX_REQUEST        1024 /**< Maximum number of requested bytes per call */
02942 //#define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT      384 /**< Maximum size of (re)seed buffer */
02943 
02944 /* ECP options */
02945 //#define MBEDTLS_ECP_MAX_BITS             521 /**< Maximum bit size of groups */
02946 //#define MBEDTLS_ECP_WINDOW_SIZE            6 /**< Maximum window size used */
02947 //#define MBEDTLS_ECP_FIXED_POINT_OPTIM      1 /**< Enable fixed-point speed-up */
02948 
02949 /* Entropy options */
02950 //#define MBEDTLS_ENTROPY_MAX_SOURCES                20 /**< Maximum number of sources supported */
02951 //#define MBEDTLS_ENTROPY_MAX_GATHER                128 /**< Maximum amount requested from entropy sources */
02952 //#define MBEDTLS_ENTROPY_MIN_HARDWARE               32 /**< Default minimum number of bytes required for the hardware entropy source mbedtls_hardware_poll() before entropy is released */
02953 
02954 /* Memory buffer allocator options */
02955 //#define MBEDTLS_MEMORY_ALIGN_MULTIPLE      4 /**< Align on multiples of this value */
02956 
02957 /* Platform options */
02958 //#define MBEDTLS_PLATFORM_STD_MEM_HDR   <stdlib.h> /**< Header to include if MBEDTLS_PLATFORM_NO_STD_FUNCTIONS is defined. Don't define if no header is needed. */
02959 //#define MBEDTLS_PLATFORM_STD_CALLOC        calloc /**< Default allocator to use, can be undefined */
02960 //#define MBEDTLS_PLATFORM_STD_FREE            free /**< Default free to use, can be undefined */
02961 //#define MBEDTLS_PLATFORM_STD_EXIT            exit /**< Default exit to use, can be undefined */
02962 //#define MBEDTLS_PLATFORM_STD_TIME            time /**< Default time to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */
02963 //#define MBEDTLS_PLATFORM_STD_FPRINTF      fprintf /**< Default fprintf to use, can be undefined */
02964 //#define MBEDTLS_PLATFORM_STD_PRINTF        printf /**< Default printf to use, can be undefined */
02965 /* Note: your snprintf must correclty zero-terminate the buffer! */
02966 //#define MBEDTLS_PLATFORM_STD_SNPRINTF    snprintf /**< Default snprintf to use, can be undefined */
02967 //#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS       0 /**< Default exit value to use, can be undefined */
02968 //#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE       1 /**< Default exit value to use, can be undefined */
02969 //#define MBEDTLS_PLATFORM_STD_NV_SEED_READ   mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */
02970 //#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE  mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */
02971 //#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE  "seedfile" /**< Seed file to read/write with default implementation */
02972 
02973 /* To Use Function Macros MBEDTLS_PLATFORM_C must be enabled */
02974 /* MBEDTLS_PLATFORM_XXX_MACRO and MBEDTLS_PLATFORM_XXX_ALT cannot both be defined */
02975 //#define MBEDTLS_PLATFORM_CALLOC_MACRO        calloc /**< Default allocator macro to use, can be undefined */
02976 //#define MBEDTLS_PLATFORM_FREE_MACRO            free /**< Default free macro to use, can be undefined */
02977 //#define MBEDTLS_PLATFORM_EXIT_MACRO            exit /**< Default exit macro to use, can be undefined */
02978 //#define MBEDTLS_PLATFORM_TIME_MACRO            time /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */
02979 //#define MBEDTLS_PLATFORM_TIME_TYPE_MACRO       time_t /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */
02980 //#define MBEDTLS_PLATFORM_FPRINTF_MACRO      fprintf /**< Default fprintf macro to use, can be undefined */
02981 //#define MBEDTLS_PLATFORM_PRINTF_MACRO        printf /**< Default printf macro to use, can be undefined */
02982 /* Note: your snprintf must correclty zero-terminate the buffer! */
02983 //#define MBEDTLS_PLATFORM_SNPRINTF_MACRO    snprintf /**< Default snprintf macro to use, can be undefined */
02984 //#define MBEDTLS_PLATFORM_NV_SEED_READ_MACRO   mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */
02985 //#define MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO  mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */
02986 
02987 /* SSL Cache options */
02988 //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT       86400 /**< 1 day  */
02989 //#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES      50 /**< Maximum entries in cache */
02990 
02991 /* SSL options */
02992 
02993 /** \def MBEDTLS_SSL_MAX_CONTENT_LEN
02994  *
02995  * Maximum fragment length in bytes.
02996  *
02997  * Determines the size of both the incoming and outgoing TLS I/O buffers.
02998  *
02999  * Uncommenting MBEDTLS_SSL_IN_CONTENT_LEN and/or MBEDTLS_SSL_OUT_CONTENT_LEN
03000  * will override this length by setting maximum incoming and/or outgoing
03001  * fragment length, respectively.
03002  */
03003 //#define MBEDTLS_SSL_MAX_CONTENT_LEN             16384
03004 
03005 /** \def MBEDTLS_SSL_IN_CONTENT_LEN
03006  *
03007  * Maximum incoming fragment length in bytes.
03008  *
03009  * Uncomment to set the size of the inward TLS buffer independently of the
03010  * outward buffer.
03011  */
03012 //#define MBEDTLS_SSL_IN_CONTENT_LEN              16384
03013 
03014 /** \def MBEDTLS_SSL_OUT_CONTENT_LEN
03015  *
03016  * Maximum outgoing fragment length in bytes.
03017  *
03018  * Uncomment to set the size of the outward TLS buffer independently of the
03019  * inward buffer.
03020  *
03021  * It is possible to save RAM by setting a smaller outward buffer, while keeping
03022  * the default inward 16384 byte buffer to conform to the TLS specification.
03023  *
03024  * The minimum required outward buffer size is determined by the handshake
03025  * protocol's usage. Handshaking will fail if the outward buffer is too small.
03026  * The specific size requirement depends on the configured ciphers and any
03027  * certificate data which is sent during the handshake.
03028  *
03029  * For absolute minimum RAM usage, it's best to enable
03030  * MBEDTLS_SSL_MAX_FRAGMENT_LENGTH and reduce MBEDTLS_SSL_MAX_CONTENT_LEN. This
03031  * reduces both incoming and outgoing buffer sizes. However this is only
03032  * guaranteed if the other end of the connection also supports the TLS
03033  * max_fragment_len extension. Otherwise the connection may fail.
03034  */
03035 //#define MBEDTLS_SSL_OUT_CONTENT_LEN             16384
03036 
03037 /** \def MBEDTLS_SSL_DTLS_MAX_BUFFERING
03038  *
03039  * Maximum number of heap-allocated bytes for the purpose of
03040  * DTLS handshake message reassembly and future message buffering.
03041  *
03042  * This should be at least 9/8 * MBEDTLSSL_IN_CONTENT_LEN
03043  * to account for a reassembled handshake message of maximum size,
03044  * together with its reassembly bitmap.
03045  *
03046  * A value of 2 * MBEDTLS_SSL_IN_CONTENT_LEN (32768 by default)
03047  * should be sufficient for all practical situations as it allows
03048  * to reassembly a large handshake message (such as a certificate)
03049  * while buffering multiple smaller handshake messages.
03050  *
03051  */
03052 //#define MBEDTLS_SSL_DTLS_MAX_BUFFERING             32768
03053 
03054 //#define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME     86400 /**< Lifetime of session tickets (if enabled) */
03055 //#define MBEDTLS_PSK_MAX_LEN               32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */
03056 //#define MBEDTLS_SSL_COOKIE_TIMEOUT        60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */
03057 
03058 /**
03059  * Complete list of ciphersuites to use, in order of preference.
03060  *
03061  * \warning No dependency checking is done on that field! This option can only
03062  * be used to restrict the set of available ciphersuites. It is your
03063  * responsibility to make sure the needed modules are active.
03064  *
03065  * Use this to save a few hundred bytes of ROM (default ordering of all
03066  * available ciphersuites) and a few to a few hundred bytes of RAM.
03067  *
03068  * The value below is only an example, not the default.
03069  */
03070 //#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
03071 
03072 /* X509 options */
03073 //#define MBEDTLS_X509_MAX_INTERMEDIATE_CA   8   /**< Maximum number of intermediate CAs in a verification chain. */
03074 //#define MBEDTLS_X509_MAX_FILE_PATH_LEN     512 /**< Maximum length of a path/filename string in bytes including the null terminator character ('\0'). */
03075 
03076 /**
03077  * Allow SHA-1 in the default TLS configuration for certificate signing.
03078  * Without this build-time option, SHA-1 support must be activated explicitly
03079  * through mbedtls_ssl_conf_cert_profile. Turning on this option is not
03080  * recommended because of it is possible to generate SHA-1 collisions, however
03081  * this may be safe for legacy infrastructure where additional controls apply.
03082  *
03083  * \warning   SHA-1 is considered a weak message digest and its use constitutes
03084  *            a security risk. If possible, we recommend avoiding dependencies
03085  *            on it, and considering stronger message digests instead.
03086  *
03087  */
03088 // #define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES
03089 
03090 /**
03091  * Allow SHA-1 in the default TLS configuration for TLS 1.2 handshake
03092  * signature and ciphersuite selection. Without this build-time option, SHA-1
03093  * support must be activated explicitly through mbedtls_ssl_conf_sig_hashes.
03094  * The use of SHA-1 in TLS <= 1.1 and in HMAC-SHA-1 is always allowed by
03095  * default. At the time of writing, there is no practical attack on the use
03096  * of SHA-1 in handshake signatures, hence this option is turned on by default
03097  * to preserve compatibility with existing peers, but the general
03098  * warning applies nonetheless:
03099  *
03100  * \warning   SHA-1 is considered a weak message digest and its use constitutes
03101  *            a security risk. If possible, we recommend avoiding dependencies
03102  *            on it, and considering stronger message digests instead.
03103  *
03104  */
03105 #define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE
03106 
03107 /**
03108  * Uncomment the macro to let mbed TLS use your alternate implementation of
03109  * mbedtls_platform_zeroize(). This replaces the default implementation in
03110  * platform_util.c.
03111  *
03112  * mbedtls_platform_zeroize() is a widely used function across the library to
03113  * zero a block of memory. The implementation is expected to be secure in the
03114  * sense that it has been written to prevent the compiler from removing calls
03115  * to mbedtls_platform_zeroize() as part of redundant code elimination
03116  * optimizations. However, it is difficult to guarantee that calls to
03117  * mbedtls_platform_zeroize() will not be optimized by the compiler as older
03118  * versions of the C language standards do not provide a secure implementation
03119  * of memset(). Therefore, MBEDTLS_PLATFORM_ZEROIZE_ALT enables users to
03120  * configure their own implementation of mbedtls_platform_zeroize(), for
03121  * example by using directives specific to their compiler, features from newer
03122  * C standards (e.g using memset_s() in C11) or calling a secure memset() from
03123  * their system (e.g explicit_bzero() in BSD).
03124  */
03125 //#define MBEDTLS_PLATFORM_ZEROIZE_ALT
03126 
03127 /**
03128  * Uncomment the macro to let Mbed TLS use your alternate implementation of
03129  * mbedtls_platform_gmtime_r(). This replaces the default implementation in
03130  * platform_util.c.
03131  *
03132  * gmtime() is not a thread-safe function as defined in the C standard. The
03133  * library will try to use safer implementations of this function, such as
03134  * gmtime_r() when available. However, if Mbed TLS cannot identify the target
03135  * system, the implementation of mbedtls_platform_gmtime_r() will default to
03136  * using the standard gmtime(). In this case, calls from the library to
03137  * gmtime() will be guarded by the global mutex mbedtls_threading_gmtime_mutex
03138  * if MBEDTLS_THREADING_C is enabled. We recommend that calls from outside the
03139  * library are also guarded with this mutex to avoid race conditions. However,
03140  * if the macro MBEDTLS_PLATFORM_GMTIME_R_ALT is defined, Mbed TLS will
03141  * unconditionally use the implementation for mbedtls_platform_gmtime_r()
03142  * supplied at compile time.
03143  */
03144 //#define MBEDTLS_PLATFORM_GMTIME_R_ALT
03145 
03146 /* \} name SECTION: Customisation configuration options */
03147 
03148 /* Target and application specific configurations */
03149 //#define YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE "target_config.h"
03150 
03151 #if defined(TARGET_LIKE_MBED) && defined(YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE)
03152 #include YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE
03153 #endif
03154 
03155 /*
03156  * Allow user to override any previous default.
03157  *
03158  * Use two macro names for that, as:
03159  * - with yotta the prefix YOTTA_CFG_ is forced
03160  * - without yotta is looks weird to have a YOTTA prefix.
03161  */
03162 #if defined(YOTTA_CFG_MBEDTLS_USER_CONFIG_FILE)
03163 #include YOTTA_CFG_MBEDTLS_USER_CONFIG_FILE
03164 #elif defined(MBEDTLS_USER_CONFIG_FILE)
03165 #include MBEDTLS_USER_CONFIG_FILE
03166 #endif
03167 
03168 #include "check_config.h"
03169 
03170 #endif /* !MBEDTLS_ENTROPY_HARDWARE_ALT && !MBEDTLS_TEST_NULL_ENTROPY */
03171 
03172 #if defined(MBEDTLS_TEST_NULL_ENTROPY)
03173 #warning "MBEDTLS_TEST_NULL_ENTROPY has been enabled. This " \
03174     "configuration is not secure and is not suitable for production use"
03175 #endif
03176 
03177 #if defined(MBEDTLS_SSL_TLS_C) && !defined(MBEDTLS_TEST_NULL_ENTROPY) && \
03178     !defined(MBEDTLS_ENTROPY_HARDWARE_ALT) && !defined(MBEDTLS_ENTROPY_NV_SEED)
03179 #error "No entropy source was found at build time, so TLS " \
03180     "functionality is not available"
03181 #endif
03182 
03183 #endif /* MBEDTLS_CONFIG_H */