1 /** 2 * \file config.h 3 * 4 * \brief Configuration options (set of defines) 5 * 6 * This set of compile-time options may be used to enable 7 * or disable features selectively, and reduce the global 8 * memory footprint. 9 */ 10 /* 11 * Copyright The Mbed TLS Contributors 12 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 13 * 14 * This file is provided under the Apache License 2.0, or the 15 * GNU General Public License v2.0 or later. 16 * 17 * ********** 18 * Apache License 2.0: 19 * 20 * Licensed under the Apache License, Version 2.0 (the "License"); you may 21 * not use this file except in compliance with the License. 22 * You may obtain a copy of the License at 23 * 24 * http://www.apache.org/licenses/LICENSE-2.0 25 * 26 * Unless required by applicable law or agreed to in writing, software 27 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 28 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 29 * See the License for the specific language governing permissions and 30 * limitations under the License. 31 * 32 * ********** 33 * 34 * ********** 35 * GNU General Public License v2.0 or later: 36 * 37 * This program is free software; you can redistribute it and/or modify 38 * it under the terms of the GNU General Public License as published by 39 * the Free Software Foundation; either version 2 of the License, or 40 * (at your option) any later version. 41 * 42 * This program is distributed in the hope that it will be useful, 43 * but WITHOUT ANY WARRANTY; without even the implied warranty of 44 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 45 * GNU General Public License for more details. 46 * 47 * You should have received a copy of the GNU General Public License along 48 * with this program; if not, write to the Free Software Foundation, Inc., 49 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 50 * 51 * ********** 52 */ 53 54 #ifndef MBEDTLS_CONFIG_H 55 #define MBEDTLS_CONFIG_H 56 57 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE) 58 #define _CRT_SECURE_NO_DEPRECATE 1 59 #endif 60 61 /** 62 * \name SECTION: System support 63 * 64 * This section sets system specific settings. 65 * \{ 66 */ 67 68 /** 69 * \def MBEDTLS_HAVE_ASM 70 * 71 * The compiler has support for asm(). 72 * 73 * Requires support for asm() in compiler. 74 * 75 * Used in: 76 * library/aria.c 77 * library/timing.c 78 * include/mbedtls/bn_mul.h 79 * 80 * Required by: 81 * MBEDTLS_AESNI_C 82 * MBEDTLS_PADLOCK_C 83 * 84 * Comment to disable the use of assembly code. 85 */ 86 #define MBEDTLS_HAVE_ASM 87 88 /** 89 * \def MBEDTLS_NO_UDBL_DIVISION 90 * 91 * The platform lacks support for double-width integer division (64-bit 92 * division on a 32-bit platform, 128-bit division on a 64-bit platform). 93 * 94 * Used in: 95 * include/mbedtls/bignum.h 96 * library/bignum.c 97 * 98 * The bignum code uses double-width division to speed up some operations. 99 * Double-width division is often implemented in software that needs to 100 * be linked with the program. The presence of a double-width integer 101 * type is usually detected automatically through preprocessor macros, 102 * but the automatic detection cannot know whether the code needs to 103 * and can be linked with an implementation of division for that type. 104 * By default division is assumed to be usable if the type is present. 105 * Uncomment this option to prevent the use of double-width division. 106 * 107 * Note that division for the native integer type is always required. 108 * Furthermore, a 64-bit type is always required even on a 32-bit 109 * platform, but it need not support multiplication or division. In some 110 * cases it is also desirable to disable some double-width operations. For 111 * example, if double-width division is implemented in software, disabling 112 * it can reduce code size in some embedded targets. 113 */ 114 //#define MBEDTLS_NO_UDBL_DIVISION 115 116 /** 117 * \def MBEDTLS_NO_64BIT_MULTIPLICATION 118 * 119 * The platform lacks support for 32x32 -> 64-bit multiplication. 120 * 121 * Used in: 122 * library/poly1305.c 123 * 124 * Some parts of the library may use multiplication of two unsigned 32-bit 125 * operands with a 64-bit result in order to speed up computations. On some 126 * platforms, this is not available in hardware and has to be implemented in 127 * software, usually in a library provided by the toolchain. 128 * 129 * Sometimes it is not desirable to have to link to that library. This option 130 * removes the dependency of that library on platforms that lack a hardware 131 * 64-bit multiplier by embedding a software implementation in Mbed TLS. 132 * 133 * Note that depending on the compiler, this may decrease performance compared 134 * to using the library function provided by the toolchain. 135 */ 136 //#define MBEDTLS_NO_64BIT_MULTIPLICATION 137 138 /** 139 * \def MBEDTLS_HAVE_SSE2 140 * 141 * CPU supports SSE2 instruction set. 142 * 143 * Uncomment if the CPU supports SSE2 (IA-32 specific). 144 */ 145 //#define MBEDTLS_HAVE_SSE2 146 147 /** 148 * \def MBEDTLS_HAVE_TIME 149 * 150 * System has time.h and time(). 151 * The time does not need to be correct, only time differences are used, 152 * by contrast with MBEDTLS_HAVE_TIME_DATE 153 * 154 * Defining MBEDTLS_HAVE_TIME allows you to specify MBEDTLS_PLATFORM_TIME_ALT, 155 * MBEDTLS_PLATFORM_TIME_MACRO, MBEDTLS_PLATFORM_TIME_TYPE_MACRO and 156 * MBEDTLS_PLATFORM_STD_TIME. 157 * 158 * Comment if your system does not support time functions 159 */ 160 #define MBEDTLS_HAVE_TIME 161 162 /** 163 * \def MBEDTLS_HAVE_TIME_DATE 164 * 165 * System has time.h, time(), and an implementation for 166 * mbedtls_platform_gmtime_r() (see below). 167 * The time needs to be correct (not necessarily very accurate, but at least 168 * the date should be correct). This is used to verify the validity period of 169 * X.509 certificates. 170 * 171 * Comment if your system does not have a correct clock. 172 * 173 * \note mbedtls_platform_gmtime_r() is an abstraction in platform_util.h that 174 * behaves similarly to the gmtime_r() function from the C standard. Refer to 175 * the documentation for mbedtls_platform_gmtime_r() for more information. 176 * 177 * \note It is possible to configure an implementation for 178 * mbedtls_platform_gmtime_r() at compile-time by using the macro 179 * MBEDTLS_PLATFORM_GMTIME_R_ALT. 180 */ 181 #define MBEDTLS_HAVE_TIME_DATE 182 183 /** 184 * \def MBEDTLS_PLATFORM_MEMORY 185 * 186 * Enable the memory allocation layer. 187 * 188 * By default mbed TLS uses the system-provided calloc() and free(). 189 * This allows different allocators (self-implemented or provided) to be 190 * provided to the platform abstraction layer. 191 * 192 * Enabling MBEDTLS_PLATFORM_MEMORY without the 193 * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide 194 * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and 195 * free() function pointer at runtime. 196 * 197 * Enabling MBEDTLS_PLATFORM_MEMORY and specifying 198 * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the 199 * alternate function at compile time. 200 * 201 * Requires: MBEDTLS_PLATFORM_C 202 * 203 * Enable this layer to allow use of alternative memory allocators. 204 */ 205 //#define MBEDTLS_PLATFORM_MEMORY 206 207 /** 208 * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 209 * 210 * Do not assign standard functions in the platform layer (e.g. calloc() to 211 * MBEDTLS_PLATFORM_STD_CALLOC and printf() to MBEDTLS_PLATFORM_STD_PRINTF) 212 * 213 * This makes sure there are no linking errors on platforms that do not support 214 * these functions. You will HAVE to provide alternatives, either at runtime 215 * via the platform_set_xxx() functions or at compile time by setting 216 * the MBEDTLS_PLATFORM_STD_XXX defines, or enabling a 217 * MBEDTLS_PLATFORM_XXX_MACRO. 218 * 219 * Requires: MBEDTLS_PLATFORM_C 220 * 221 * Uncomment to prevent default assignment of standard functions in the 222 * platform layer. 223 */ 224 //#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 225 226 /** 227 * \def MBEDTLS_PLATFORM_EXIT_ALT 228 * 229 * MBEDTLS_PLATFORM_XXX_ALT: Uncomment a macro to let mbed TLS support the 230 * function in the platform abstraction layer. 231 * 232 * Example: In case you uncomment MBEDTLS_PLATFORM_PRINTF_ALT, mbed TLS will 233 * provide a function "mbedtls_platform_set_printf()" that allows you to set an 234 * alternative printf function pointer. 235 * 236 * All these define require MBEDTLS_PLATFORM_C to be defined! 237 * 238 * \note MBEDTLS_PLATFORM_SNPRINTF_ALT is required on Windows; 239 * it will be enabled automatically by check_config.h 240 * 241 * \warning MBEDTLS_PLATFORM_XXX_ALT cannot be defined at the same time as 242 * MBEDTLS_PLATFORM_XXX_MACRO! 243 * 244 * Requires: MBEDTLS_PLATFORM_TIME_ALT requires MBEDTLS_HAVE_TIME 245 * 246 * Uncomment a macro to enable alternate implementation of specific base 247 * platform function 248 */ 249 //#define MBEDTLS_PLATFORM_EXIT_ALT 250 //#define MBEDTLS_PLATFORM_TIME_ALT 251 //#define MBEDTLS_PLATFORM_FPRINTF_ALT 252 //#define MBEDTLS_PLATFORM_PRINTF_ALT 253 //#define MBEDTLS_PLATFORM_SNPRINTF_ALT 254 //#define MBEDTLS_PLATFORM_NV_SEED_ALT 255 //#define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT 256 257 /** 258 * \def MBEDTLS_DEPRECATED_WARNING 259 * 260 * Mark deprecated functions so that they generate a warning if used. 261 * Functions deprecated in one version will usually be removed in the next 262 * version. You can enable this to help you prepare the transition to a new 263 * major version by making sure your code is not using these functions. 264 * 265 * This only works with GCC and Clang. With other compilers, you may want to 266 * use MBEDTLS_DEPRECATED_REMOVED 267 * 268 * Uncomment to get warnings on using deprecated functions. 269 */ 270 //#define MBEDTLS_DEPRECATED_WARNING 271 272 /** 273 * \def MBEDTLS_DEPRECATED_REMOVED 274 * 275 * Remove deprecated functions so that they generate an error if used. 276 * Functions deprecated in one version will usually be removed in the next 277 * version. You can enable this to help you prepare the transition to a new 278 * major version by making sure your code is not using these functions. 279 * 280 * Uncomment to get errors on using deprecated functions. 281 */ 282 //#define MBEDTLS_DEPRECATED_REMOVED 283 284 /** 285 * \def MBEDTLS_CHECK_PARAMS 286 * 287 * This configuration option controls whether the library validates more of 288 * the parameters passed to it. 289 * 290 * When this flag is not defined, the library only attempts to validate an 291 * input parameter if: (1) they may come from the outside world (such as the 292 * network, the filesystem, etc.) or (2) not validating them could result in 293 * internal memory errors such as overflowing a buffer controlled by the 294 * library. On the other hand, it doesn't attempt to validate parameters whose 295 * values are fully controlled by the application (such as pointers). 296 * 297 * When this flag is defined, the library additionally attempts to validate 298 * parameters that are fully controlled by the application, and should always 299 * be valid if the application code is fully correct and trusted. 300 * 301 * For example, when a function accepts as input a pointer to a buffer that may 302 * contain untrusted data, and its documentation mentions that this pointer 303 * must not be NULL: 304 * - The pointer is checked to be non-NULL only if this option is enabled. 305 * - The content of the buffer is always validated. 306 * 307 * When this flag is defined, if a library function receives a parameter that 308 * is invalid: 309 * 1. The function will invoke the macro MBEDTLS_PARAM_FAILED(). 310 * 2. If MBEDTLS_PARAM_FAILED() did not terminate the program, the function 311 * will immediately return. If the function returns an Mbed TLS error code, 312 * the error code in this case is MBEDTLS_ERR_xxx_BAD_INPUT_DATA. 313 * 314 * When defining this flag, you also need to arrange a definition for 315 * MBEDTLS_PARAM_FAILED(). You can do this by any of the following methods: 316 * - By default, the library defines MBEDTLS_PARAM_FAILED() to call a 317 * function mbedtls_param_failed(), but the library does not define this 318 * function. If you do not make any other arrangements, you must provide 319 * the function mbedtls_param_failed() in your application. 320 * See `platform_util.h` for its prototype. 321 * - If you enable the macro #MBEDTLS_CHECK_PARAMS_ASSERT, then the 322 * library defines #MBEDTLS_PARAM_FAILED(\c cond) to be `assert(cond)`. 323 * You can still supply an alternative definition of 324 * MBEDTLS_PARAM_FAILED(), which may call `assert`. 325 * - If you define a macro MBEDTLS_PARAM_FAILED() before including `config.h` 326 * or you uncomment the definition of MBEDTLS_PARAM_FAILED() in `config.h`, 327 * the library will call the macro that you defined and will not supply 328 * its own version. Note that if MBEDTLS_PARAM_FAILED() calls `assert`, 329 * you need to enable #MBEDTLS_CHECK_PARAMS_ASSERT so that library source 330 * files include `<assert.h>`. 331 * 332 * Uncomment to enable validation of application-controlled parameters. 333 */ 334 //#define MBEDTLS_CHECK_PARAMS 335 336 /** 337 * \def MBEDTLS_CHECK_PARAMS_ASSERT 338 * 339 * Allow MBEDTLS_PARAM_FAILED() to call `assert`, and make it default to 340 * `assert`. This macro is only used if #MBEDTLS_CHECK_PARAMS is defined. 341 * 342 * If this macro is not defined, then MBEDTLS_PARAM_FAILED() defaults to 343 * calling a function mbedtls_param_failed(). See the documentation of 344 * #MBEDTLS_CHECK_PARAMS for details. 345 * 346 * Uncomment to allow MBEDTLS_PARAM_FAILED() to call `assert`. 347 */ 348 //#define MBEDTLS_CHECK_PARAMS_ASSERT 349 350 /* \} name SECTION: System support */ 351 352 /** 353 * \name SECTION: mbed TLS feature support 354 * 355 * This section sets support for features that are or are not needed 356 * within the modules that are enabled. 357 * \{ 358 */ 359 360 /** 361 * \def MBEDTLS_TIMING_ALT 362 * 363 * Uncomment to provide your own alternate implementation for mbedtls_timing_hardclock(), 364 * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay() 365 * 366 * Only works if you have MBEDTLS_TIMING_C enabled. 367 * 368 * You will need to provide a header "timing_alt.h" and an implementation at 369 * compile time. 370 */ 371 //#define MBEDTLS_TIMING_ALT 372 373 /** 374 * \def MBEDTLS_AES_ALT 375 * 376 * MBEDTLS__MODULE_NAME__ALT: Uncomment a macro to let mbed TLS use your 377 * alternate core implementation of a symmetric crypto, an arithmetic or hash 378 * module (e.g. platform specific assembly optimized implementations). Keep 379 * in mind that the function prototypes should remain the same. 380 * 381 * This replaces the whole module. If you only want to replace one of the 382 * functions, use one of the MBEDTLS__FUNCTION_NAME__ALT flags. 383 * 384 * Example: In case you uncomment MBEDTLS_AES_ALT, mbed TLS will no longer 385 * provide the "struct mbedtls_aes_context" definition and omit the base 386 * function declarations and implementations. "aes_alt.h" will be included from 387 * "aes.h" to include the new function definitions. 388 * 389 * Uncomment a macro to enable alternate implementation of the corresponding 390 * module. 391 * 392 * \warning MD2, MD4, MD5, ARC4, DES and SHA-1 are considered weak and their 393 * use constitutes a security risk. If possible, we recommend 394 * avoiding dependencies on them, and considering stronger message 395 * digests and ciphers instead. 396 * 397 */ 398 //#define MBEDTLS_AES_ALT 399 //#define MBEDTLS_ARC4_ALT 400 //#define MBEDTLS_ARIA_ALT 401 //#define MBEDTLS_BLOWFISH_ALT 402 //#define MBEDTLS_CAMELLIA_ALT 403 //#define MBEDTLS_CCM_ALT 404 //#define MBEDTLS_CHACHA20_ALT 405 //#define MBEDTLS_CHACHAPOLY_ALT 406 //#define MBEDTLS_CMAC_ALT 407 //#define MBEDTLS_DES_ALT 408 //#define MBEDTLS_DHM_ALT 409 //#define MBEDTLS_ECJPAKE_ALT 410 //#define MBEDTLS_GCM_ALT 411 //#define MBEDTLS_NIST_KW_ALT 412 //#define MBEDTLS_MD2_ALT 413 //#define MBEDTLS_MD4_ALT 414 //#define MBEDTLS_MD5_ALT 415 //#define MBEDTLS_POLY1305_ALT 416 //#define MBEDTLS_RIPEMD160_ALT 417 //#define MBEDTLS_RSA_ALT 418 //#define MBEDTLS_SHA1_ALT 419 //#define MBEDTLS_SHA256_ALT 420 //#define MBEDTLS_SHA512_ALT 421 //#define MBEDTLS_XTEA_ALT 422 423 /* 424 * When replacing the elliptic curve module, pleace consider, that it is 425 * implemented with two .c files: 426 * - ecp.c 427 * - ecp_curves.c 428 * You can replace them very much like all the other MBEDTLS__MODULE_NAME__ALT 429 * macros as described above. The only difference is that you have to make sure 430 * that you provide functionality for both .c files. 431 */ 432 //#define MBEDTLS_ECP_ALT 433 434 /** 435 * \def MBEDTLS_MD2_PROCESS_ALT 436 * 437 * MBEDTLS__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use you 438 * alternate core implementation of symmetric crypto or hash function. Keep in 439 * mind that function prototypes should remain the same. 440 * 441 * This replaces only one function. The header file from mbed TLS is still 442 * used, in contrast to the MBEDTLS__MODULE_NAME__ALT flags. 443 * 444 * Example: In case you uncomment MBEDTLS_SHA256_PROCESS_ALT, mbed TLS will 445 * no longer provide the mbedtls_sha1_process() function, but it will still provide 446 * the other function (using your mbedtls_sha1_process() function) and the definition 447 * of mbedtls_sha1_context, so your implementation of mbedtls_sha1_process must be compatible 448 * with this definition. 449 * 450 * \note Because of a signature change, the core AES encryption and decryption routines are 451 * currently named mbedtls_aes_internal_encrypt and mbedtls_aes_internal_decrypt, 452 * respectively. When setting up alternative implementations, these functions should 453 * be overridden, but the wrapper functions mbedtls_aes_decrypt and mbedtls_aes_encrypt 454 * must stay untouched. 455 * 456 * \note If you use the AES_xxx_ALT macros, then is is recommended to also set 457 * MBEDTLS_AES_ROM_TABLES in order to help the linker garbage-collect the AES 458 * tables. 459 * 460 * Uncomment a macro to enable alternate implementation of the corresponding 461 * function. 462 * 463 * \warning MD2, MD4, MD5, DES and SHA-1 are considered weak and their use 464 * constitutes a security risk. If possible, we recommend avoiding 465 * dependencies on them, and considering stronger message digests 466 * and ciphers instead. 467 * 468 * \warning If both MBEDTLS_ECDSA_SIGN_ALT and MBEDTLS_ECDSA_DETERMINISTIC are 469 * enabled, then the deterministic ECDH signature functions pass the 470 * the static HMAC-DRBG as RNG to mbedtls_ecdsa_sign(). Therefore 471 * alternative implementations should use the RNG only for generating 472 * the ephemeral key and nothing else. If this is not possible, then 473 * MBEDTLS_ECDSA_DETERMINISTIC should be disabled and an alternative 474 * implementation should be provided for mbedtls_ecdsa_sign_det_ext() 475 * (and for mbedtls_ecdsa_sign_det() too if backward compatibility is 476 * desirable). 477 * 478 */ 479 //#define MBEDTLS_MD2_PROCESS_ALT 480 //#define MBEDTLS_MD4_PROCESS_ALT 481 //#define MBEDTLS_MD5_PROCESS_ALT 482 //#define MBEDTLS_RIPEMD160_PROCESS_ALT 483 //#define MBEDTLS_SHA1_PROCESS_ALT 484 //#define MBEDTLS_SHA256_PROCESS_ALT 485 //#define MBEDTLS_SHA512_PROCESS_ALT 486 //#define MBEDTLS_DES_SETKEY_ALT 487 //#define MBEDTLS_DES_CRYPT_ECB_ALT 488 //#define MBEDTLS_DES3_CRYPT_ECB_ALT 489 //#define MBEDTLS_AES_SETKEY_ENC_ALT 490 //#define MBEDTLS_AES_SETKEY_DEC_ALT 491 //#define MBEDTLS_AES_ENCRYPT_ALT 492 //#define MBEDTLS_AES_DECRYPT_ALT 493 //#define MBEDTLS_ECDH_GEN_PUBLIC_ALT 494 //#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT 495 //#define MBEDTLS_ECDSA_VERIFY_ALT 496 //#define MBEDTLS_ECDSA_SIGN_ALT 497 //#define MBEDTLS_ECDSA_GENKEY_ALT 498 499 /** 500 * \def MBEDTLS_ECP_INTERNAL_ALT 501 * 502 * Expose a part of the internal interface of the Elliptic Curve Point module. 503 * 504 * MBEDTLS_ECP__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use your 505 * alternative core implementation of elliptic curve arithmetic. Keep in mind 506 * that function prototypes should remain the same. 507 * 508 * This partially replaces one function. The header file from mbed TLS is still 509 * used, in contrast to the MBEDTLS_ECP_ALT flag. The original implementation 510 * is still present and it is used for group structures not supported by the 511 * alternative. 512 * 513 * Any of these options become available by defining MBEDTLS_ECP_INTERNAL_ALT 514 * and implementing the following functions: 515 * unsigned char mbedtls_internal_ecp_grp_capable( 516 * const mbedtls_ecp_group *grp ) 517 * int mbedtls_internal_ecp_init( const mbedtls_ecp_group *grp ) 518 * void mbedtls_internal_ecp_free( const mbedtls_ecp_group *grp ) 519 * The mbedtls_internal_ecp_grp_capable function should return 1 if the 520 * replacement functions implement arithmetic for the given group and 0 521 * otherwise. 522 * The functions mbedtls_internal_ecp_init and mbedtls_internal_ecp_free are 523 * called before and after each point operation and provide an opportunity to 524 * implement optimized set up and tear down instructions. 525 * 526 * Example: In case you uncomment MBEDTLS_ECP_INTERNAL_ALT and 527 * MBEDTLS_ECP_DOUBLE_JAC_ALT, mbed TLS will still provide the ecp_double_jac 528 * function, but will use your mbedtls_internal_ecp_double_jac if the group is 529 * supported (your mbedtls_internal_ecp_grp_capable function returns 1 when 530 * receives it as an argument). If the group is not supported then the original 531 * implementation is used. The other functions and the definition of 532 * mbedtls_ecp_group and mbedtls_ecp_point will not change, so your 533 * implementation of mbedtls_internal_ecp_double_jac and 534 * mbedtls_internal_ecp_grp_capable must be compatible with this definition. 535 * 536 * Uncomment a macro to enable alternate implementation of the corresponding 537 * function. 538 */ 539 /* Required for all the functions in this section */ 540 //#define MBEDTLS_ECP_INTERNAL_ALT 541 /* Support for Weierstrass curves with Jacobi representation */ 542 //#define MBEDTLS_ECP_RANDOMIZE_JAC_ALT 543 //#define MBEDTLS_ECP_ADD_MIXED_ALT 544 //#define MBEDTLS_ECP_DOUBLE_JAC_ALT 545 //#define MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT 546 //#define MBEDTLS_ECP_NORMALIZE_JAC_ALT 547 /* Support for curves with Montgomery arithmetic */ 548 //#define MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT 549 //#define MBEDTLS_ECP_RANDOMIZE_MXZ_ALT 550 //#define MBEDTLS_ECP_NORMALIZE_MXZ_ALT 551 552 /** 553 * \def MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN 554 * 555 * Enable testing of the constant-flow nature of some sensitive functions with 556 * clang's MemorySanitizer. This causes some existing tests to also test 557 * this non-functional property of the code under test. 558 * 559 * This setting requires compiling with clang -fsanitize=memory. The test 560 * suites can then be run normally. 561 * 562 * \warning This macro is only used for extended testing; it is not considered 563 * part of the library's API, so it may change or disappear at any time. 564 * 565 * Uncomment to enable testing of the constant-flow nature of selected code. 566 */ 567 //#define MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN 568 569 /** 570 * \def MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND 571 * 572 * Enable testing of the constant-flow nature of some sensitive functions with 573 * valgrind's memcheck tool. This causes some existing tests to also test 574 * this non-functional property of the code under test. 575 * 576 * This setting requires valgrind headers for building, and is only useful for 577 * testing if the tests suites are run with valgrind's memcheck. This can be 578 * done for an individual test suite with 'valgrind ./test_suite_xxx', or when 579 * using CMake, this can be done for all test suites with 'make memcheck'. 580 * 581 * \warning This macro is only used for extended testing; it is not considered 582 * part of the library's API, so it may change or disappear at any time. 583 * 584 * Uncomment to enable testing of the constant-flow nature of selected code. 585 */ 586 //#define MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND 587 588 /** 589 * \def MBEDTLS_TEST_NULL_ENTROPY 590 * 591 * Enables testing and use of mbed TLS without any configured entropy sources. 592 * This permits use of the library on platforms before an entropy source has 593 * been integrated (see for example the MBEDTLS_ENTROPY_HARDWARE_ALT or the 594 * MBEDTLS_ENTROPY_NV_SEED switches). 595 * 596 * WARNING! This switch MUST be disabled in production builds, and is suitable 597 * only for development. 598 * Enabling the switch negates any security provided by the library. 599 * 600 * Requires MBEDTLS_ENTROPY_C, MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 601 * 602 */ 603 //#define MBEDTLS_TEST_NULL_ENTROPY 604 605 /** 606 * \def MBEDTLS_ENTROPY_HARDWARE_ALT 607 * 608 * Uncomment this macro to let mbed TLS use your own implementation of a 609 * hardware entropy collector. 610 * 611 * Your function must be called \c mbedtls_hardware_poll(), have the same 612 * prototype as declared in entropy_poll.h, and accept NULL as first argument. 613 * 614 * Uncomment to use your own hardware entropy collector. 615 */ 616 //#define MBEDTLS_ENTROPY_HARDWARE_ALT 617 618 /** 619 * \def MBEDTLS_AES_ROM_TABLES 620 * 621 * Use precomputed AES tables stored in ROM. 622 * 623 * Uncomment this macro to use precomputed AES tables stored in ROM. 624 * Comment this macro to generate AES tables in RAM at runtime. 625 * 626 * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb 627 * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the 628 * initialization time before the first AES operation can be performed. 629 * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c 630 * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded 631 * performance if ROM access is slower than RAM access. 632 * 633 * This option is independent of \c MBEDTLS_AES_FEWER_TABLES. 634 * 635 */ 636 //#define MBEDTLS_AES_ROM_TABLES 637 638 /** 639 * \def MBEDTLS_AES_FEWER_TABLES 640 * 641 * Use less ROM/RAM for AES tables. 642 * 643 * Uncommenting this macro omits 75% of the AES tables from 644 * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES) 645 * by computing their values on the fly during operations 646 * (the tables are entry-wise rotations of one another). 647 * 648 * Tradeoff: Uncommenting this reduces the RAM / ROM footprint 649 * by ~6kb but at the cost of more arithmetic operations during 650 * runtime. Specifically, one has to compare 4 accesses within 651 * different tables to 4 accesses with additional arithmetic 652 * operations within the same table. The performance gain/loss 653 * depends on the system and memory details. 654 * 655 * This option is independent of \c MBEDTLS_AES_ROM_TABLES. 656 * 657 */ 658 //#define MBEDTLS_AES_FEWER_TABLES 659 660 /** 661 * \def MBEDTLS_CAMELLIA_SMALL_MEMORY 662 * 663 * Use less ROM for the Camellia implementation (saves about 768 bytes). 664 * 665 * Uncomment this macro to use less memory for Camellia. 666 */ 667 //#define MBEDTLS_CAMELLIA_SMALL_MEMORY 668 669 /** 670 * \def MBEDTLS_CIPHER_MODE_CBC 671 * 672 * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers. 673 */ 674 #define MBEDTLS_CIPHER_MODE_CBC 675 676 /** 677 * \def MBEDTLS_CIPHER_MODE_CFB 678 * 679 * Enable Cipher Feedback mode (CFB) for symmetric ciphers. 680 */ 681 #define MBEDTLS_CIPHER_MODE_CFB 682 683 /** 684 * \def MBEDTLS_CIPHER_MODE_CTR 685 * 686 * Enable Counter Block Cipher mode (CTR) for symmetric ciphers. 687 */ 688 #define MBEDTLS_CIPHER_MODE_CTR 689 690 /** 691 * \def MBEDTLS_CIPHER_MODE_OFB 692 * 693 * Enable Output Feedback mode (OFB) for symmetric ciphers. 694 */ 695 #define MBEDTLS_CIPHER_MODE_OFB 696 697 /** 698 * \def MBEDTLS_CIPHER_MODE_XTS 699 * 700 * Enable Xor-encrypt-xor with ciphertext stealing mode (XTS) for AES. 701 */ 702 #define MBEDTLS_CIPHER_MODE_XTS 703 704 /** 705 * \def MBEDTLS_CIPHER_NULL_CIPHER 706 * 707 * Enable NULL cipher. 708 * Warning: Only do so when you know what you are doing. This allows for 709 * encryption or channels without any security! 710 * 711 * Requires MBEDTLS_ENABLE_WEAK_CIPHERSUITES as well to enable 712 * the following ciphersuites: 713 * MBEDTLS_TLS_ECDH_ECDSA_WITH_NULL_SHA 714 * MBEDTLS_TLS_ECDH_RSA_WITH_NULL_SHA 715 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_NULL_SHA 716 * MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA 717 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384 718 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256 719 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA 720 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384 721 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA256 722 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA 723 * MBEDTLS_TLS_RSA_WITH_NULL_SHA256 724 * MBEDTLS_TLS_RSA_WITH_NULL_SHA 725 * MBEDTLS_TLS_RSA_WITH_NULL_MD5 726 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384 727 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA256 728 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA 729 * MBEDTLS_TLS_PSK_WITH_NULL_SHA384 730 * MBEDTLS_TLS_PSK_WITH_NULL_SHA256 731 * MBEDTLS_TLS_PSK_WITH_NULL_SHA 732 * 733 * Uncomment this macro to enable the NULL cipher and ciphersuites 734 */ 735 //#define MBEDTLS_CIPHER_NULL_CIPHER 736 737 /** 738 * \def MBEDTLS_CIPHER_PADDING_PKCS7 739 * 740 * MBEDTLS_CIPHER_PADDING_XXX: Uncomment or comment macros to add support for 741 * specific padding modes in the cipher layer with cipher modes that support 742 * padding (e.g. CBC) 743 * 744 * If you disable all padding modes, only full blocks can be used with CBC. 745 * 746 * Enable padding modes in the cipher layer. 747 */ 748 #define MBEDTLS_CIPHER_PADDING_PKCS7 749 #define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS 750 #define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN 751 #define MBEDTLS_CIPHER_PADDING_ZEROS 752 753 /** \def MBEDTLS_CTR_DRBG_USE_128_BIT_KEY 754 * 755 * Uncomment this macro to use a 128-bit key in the CTR_DRBG module. 756 * By default, CTR_DRBG uses a 256-bit key. 757 */ 758 //#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY 759 760 /** 761 * \def MBEDTLS_ENABLE_WEAK_CIPHERSUITES 762 * 763 * Enable weak ciphersuites in SSL / TLS. 764 * Warning: Only do so when you know what you are doing. This allows for 765 * channels with virtually no security at all! 766 * 767 * This enables the following ciphersuites: 768 * MBEDTLS_TLS_RSA_WITH_DES_CBC_SHA 769 * MBEDTLS_TLS_DHE_RSA_WITH_DES_CBC_SHA 770 * 771 * Uncomment this macro to enable weak ciphersuites 772 * 773 * \warning DES is considered a weak cipher and its use constitutes a 774 * security risk. We recommend considering stronger ciphers instead. 775 */ 776 //#define MBEDTLS_ENABLE_WEAK_CIPHERSUITES 777 778 /** 779 * \def MBEDTLS_REMOVE_ARC4_CIPHERSUITES 780 * 781 * Remove RC4 ciphersuites by default in SSL / TLS. 782 * This flag removes the ciphersuites based on RC4 from the default list as 783 * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible to 784 * enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including them 785 * explicitly. 786 * 787 * Uncomment this macro to remove RC4 ciphersuites by default. 788 */ 789 #define MBEDTLS_REMOVE_ARC4_CIPHERSUITES 790 791 /** 792 * \def MBEDTLS_REMOVE_3DES_CIPHERSUITES 793 * 794 * Remove 3DES ciphersuites by default in SSL / TLS. 795 * This flag removes the ciphersuites based on 3DES from the default list as 796 * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible 797 * to enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including 798 * them explicitly. 799 * 800 * A man-in-the-browser attacker can recover authentication tokens sent through 801 * a TLS connection using a 3DES based cipher suite (see "On the Practical 802 * (In-)Security of 64-bit Block Ciphers" by Karthikeyan Bhargavan and Gaëtan 803 * Leurent, see https://sweet32.info/SWEET32_CCS16.pdf). If this attack falls 804 * in your threat model or you are unsure, then you should keep this option 805 * enabled to remove 3DES based cipher suites. 806 * 807 * Comment this macro to keep 3DES in the default ciphersuite list. 808 */ 809 #define MBEDTLS_REMOVE_3DES_CIPHERSUITES 810 811 /** 812 * \def MBEDTLS_ECP_DP_SECP192R1_ENABLED 813 * 814 * MBEDTLS_ECP_XXXX_ENABLED: Enables specific curves within the Elliptic Curve 815 * module. By default all supported curves are enabled. 816 * 817 * Comment macros to disable the curve and functions for it 818 */ 819 #define MBEDTLS_ECP_DP_SECP192R1_ENABLED 820 #define MBEDTLS_ECP_DP_SECP224R1_ENABLED 821 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED 822 #define MBEDTLS_ECP_DP_SECP384R1_ENABLED 823 #define MBEDTLS_ECP_DP_SECP521R1_ENABLED 824 #define MBEDTLS_ECP_DP_SECP192K1_ENABLED 825 #define MBEDTLS_ECP_DP_SECP224K1_ENABLED 826 #define MBEDTLS_ECP_DP_SECP256K1_ENABLED 827 #define MBEDTLS_ECP_DP_BP256R1_ENABLED 828 #define MBEDTLS_ECP_DP_BP384R1_ENABLED 829 #define MBEDTLS_ECP_DP_BP512R1_ENABLED 830 #define MBEDTLS_ECP_DP_CURVE25519_ENABLED 831 #define MBEDTLS_ECP_DP_CURVE448_ENABLED 832 833 /** 834 * \def MBEDTLS_ECP_NIST_OPTIM 835 * 836 * Enable specific 'modulo p' routines for each NIST prime. 837 * Depending on the prime and architecture, makes operations 4 to 8 times 838 * faster on the corresponding curve. 839 * 840 * Comment this macro to disable NIST curves optimisation. 841 */ 842 #define MBEDTLS_ECP_NIST_OPTIM 843 844 /** 845 * \def MBEDTLS_ECP_NO_INTERNAL_RNG 846 * 847 * When this option is disabled, mbedtls_ecp_mul() will make use of an 848 * internal RNG when called with a NULL \c f_rng argument, in order to protect 849 * against some side-channel attacks. 850 * 851 * This protection introduces a dependency of the ECP module on one of the 852 * DRBG or SHA modules (HMAC-DRBG, CTR-DRBG, SHA-512 or SHA-256.) For very 853 * constrained applications that don't require this protection (for example, 854 * because you're only doing signature verification, so not manipulating any 855 * secret, or because local/physical side-channel attacks are outside your 856 * threat model), it might be desirable to get rid of that dependency. 857 * 858 * \warning Enabling this option makes some uses of ECP vulnerable to some 859 * side-channel attacks. Only enable it if you know that's not a problem for 860 * your use case. 861 * 862 * Uncomment this macro to disable some counter-measures in ECP. 863 */ 864 //#define MBEDTLS_ECP_NO_INTERNAL_RNG 865 866 /** 867 * \def MBEDTLS_ECP_RESTARTABLE 868 * 869 * Enable "non-blocking" ECC operations that can return early and be resumed. 870 * 871 * This allows various functions to pause by returning 872 * #MBEDTLS_ERR_ECP_IN_PROGRESS (or, for functions in the SSL module, 873 * #MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) and then be called later again in 874 * order to further progress and eventually complete their operation. This is 875 * controlled through mbedtls_ecp_set_max_ops() which limits the maximum 876 * number of ECC operations a function may perform before pausing; see 877 * mbedtls_ecp_set_max_ops() for more information. 878 * 879 * This is useful in non-threaded environments if you want to avoid blocking 880 * for too long on ECC (and, hence, X.509 or SSL/TLS) operations. 881 * 882 * Uncomment this macro to enable restartable ECC computations. 883 * 884 * \note This option only works with the default software implementation of 885 * elliptic curve functionality. It is incompatible with 886 * MBEDTLS_ECP_ALT, MBEDTLS_ECDH_XXX_ALT and MBEDTLS_ECDSA_XXX_ALT. 887 */ 888 //#define MBEDTLS_ECP_RESTARTABLE 889 890 /** 891 * \def MBEDTLS_ECDSA_DETERMINISTIC 892 * 893 * Enable deterministic ECDSA (RFC 6979). 894 * Standard ECDSA is "fragile" in the sense that lack of entropy when signing 895 * may result in a compromise of the long-term signing key. This is avoided by 896 * the deterministic variant. 897 * 898 * Requires: MBEDTLS_HMAC_DRBG_C 899 * 900 * Comment this macro to disable deterministic ECDSA. 901 */ 902 #define MBEDTLS_ECDSA_DETERMINISTIC 903 904 /** 905 * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 906 * 907 * Enable the PSK based ciphersuite modes in SSL / TLS. 908 * 909 * This enables the following ciphersuites (if other requisites are 910 * enabled as well): 911 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 912 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 913 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 914 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 915 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 916 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 917 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 918 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 919 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 920 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 921 * MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA 922 * MBEDTLS_TLS_PSK_WITH_RC4_128_SHA 923 */ 924 #define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 925 926 /** 927 * \def MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 928 * 929 * Enable the DHE-PSK based ciphersuite modes in SSL / TLS. 930 * 931 * Requires: MBEDTLS_DHM_C 932 * 933 * This enables the following ciphersuites (if other requisites are 934 * enabled as well): 935 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 936 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 937 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 938 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 939 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 940 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 941 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 942 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 943 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 944 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 945 * MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA 946 * MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA 947 * 948 * \warning Using DHE constitutes a security risk as it 949 * is not possible to validate custom DH parameters. 950 * If possible, it is recommended users should consider 951 * preferring other methods of key exchange. 952 * See dhm.h for more details. 953 * 954 */ 955 #define MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 956 957 /** 958 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 959 * 960 * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS. 961 * 962 * Requires: MBEDTLS_ECDH_C 963 * 964 * This enables the following ciphersuites (if other requisites are 965 * enabled as well): 966 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 967 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 968 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 969 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 970 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 971 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 972 * MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA 973 * MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA 974 */ 975 #define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 976 977 /** 978 * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 979 * 980 * Enable the RSA-PSK based ciphersuite modes in SSL / TLS. 981 * 982 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 983 * MBEDTLS_X509_CRT_PARSE_C 984 * 985 * This enables the following ciphersuites (if other requisites are 986 * enabled as well): 987 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 988 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 989 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 990 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 991 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 992 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 993 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 994 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 995 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 996 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 997 * MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA 998 * MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA 999 */ 1000 #define MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 1001 1002 /** 1003 * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 1004 * 1005 * Enable the RSA-only based ciphersuite modes in SSL / TLS. 1006 * 1007 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 1008 * MBEDTLS_X509_CRT_PARSE_C 1009 * 1010 * This enables the following ciphersuites (if other requisites are 1011 * enabled as well): 1012 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 1013 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 1014 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 1015 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 1016 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 1017 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 1018 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 1019 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 1020 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 1021 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 1022 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 1023 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 1024 * MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA 1025 * MBEDTLS_TLS_RSA_WITH_RC4_128_SHA 1026 * MBEDTLS_TLS_RSA_WITH_RC4_128_MD5 1027 */ 1028 #define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 1029 1030 /** 1031 * \def MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 1032 * 1033 * Enable the DHE-RSA based ciphersuite modes in SSL / TLS. 1034 * 1035 * Requires: MBEDTLS_DHM_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 1036 * MBEDTLS_X509_CRT_PARSE_C 1037 * 1038 * This enables the following ciphersuites (if other requisites are 1039 * enabled as well): 1040 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 1041 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 1042 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 1043 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 1044 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 1045 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 1046 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 1047 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 1048 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 1049 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 1050 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 1051 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 1052 * MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA 1053 * 1054 * \warning Using DHE constitutes a security risk as it 1055 * is not possible to validate custom DH parameters. 1056 * If possible, it is recommended users should consider 1057 * preferring other methods of key exchange. 1058 * See dhm.h for more details. 1059 * 1060 */ 1061 #define MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 1062 1063 /** 1064 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 1065 * 1066 * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS. 1067 * 1068 * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 1069 * MBEDTLS_X509_CRT_PARSE_C 1070 * 1071 * This enables the following ciphersuites (if other requisites are 1072 * enabled as well): 1073 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 1074 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 1075 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 1076 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 1077 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 1078 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 1079 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 1080 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 1081 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 1082 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 1083 * MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA 1084 * MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA 1085 */ 1086 #define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 1087 1088 /** 1089 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 1090 * 1091 * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS. 1092 * 1093 * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C, 1094 * 1095 * This enables the following ciphersuites (if other requisites are 1096 * enabled as well): 1097 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 1098 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 1099 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 1100 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 1101 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 1102 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 1103 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 1104 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 1105 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 1106 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 1107 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA 1108 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA 1109 */ 1110 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 1111 1112 /** 1113 * \def MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 1114 * 1115 * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS. 1116 * 1117 * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C 1118 * 1119 * This enables the following ciphersuites (if other requisites are 1120 * enabled as well): 1121 * MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA 1122 * MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA 1123 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 1124 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 1125 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 1126 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 1127 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 1128 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 1129 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 1130 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 1131 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 1132 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 1133 */ 1134 #define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 1135 1136 /** 1137 * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 1138 * 1139 * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS. 1140 * 1141 * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C 1142 * 1143 * This enables the following ciphersuites (if other requisites are 1144 * enabled as well): 1145 * MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA 1146 * MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA 1147 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 1148 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 1149 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 1150 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 1151 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 1152 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 1153 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 1154 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 1155 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 1156 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 1157 */ 1158 #define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 1159 1160 /** 1161 * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 1162 * 1163 * Enable the ECJPAKE based ciphersuite modes in SSL / TLS. 1164 * 1165 * \warning This is currently experimental. EC J-PAKE support is based on the 1166 * Thread v1.0.0 specification; incompatible changes to the specification 1167 * might still happen. For this reason, this is disabled by default. 1168 * 1169 * Requires: MBEDTLS_ECJPAKE_C 1170 * MBEDTLS_SHA256_C 1171 * MBEDTLS_ECP_DP_SECP256R1_ENABLED 1172 * 1173 * This enables the following ciphersuites (if other requisites are 1174 * enabled as well): 1175 * MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8 1176 */ 1177 //#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 1178 1179 /** 1180 * \def MBEDTLS_PK_PARSE_EC_EXTENDED 1181 * 1182 * Enhance support for reading EC keys using variants of SEC1 not allowed by 1183 * RFC 5915 and RFC 5480. 1184 * 1185 * Currently this means parsing the SpecifiedECDomain choice of EC 1186 * parameters (only known groups are supported, not arbitrary domains, to 1187 * avoid validation issues). 1188 * 1189 * Disable if you only need to support RFC 5915 + 5480 key formats. 1190 */ 1191 #define MBEDTLS_PK_PARSE_EC_EXTENDED 1192 1193 /** 1194 * \def MBEDTLS_ERROR_STRERROR_DUMMY 1195 * 1196 * Enable a dummy error function to make use of mbedtls_strerror() in 1197 * third party libraries easier when MBEDTLS_ERROR_C is disabled 1198 * (no effect when MBEDTLS_ERROR_C is enabled). 1199 * 1200 * You can safely disable this if MBEDTLS_ERROR_C is enabled, or if you're 1201 * not using mbedtls_strerror() or error_strerror() in your application. 1202 * 1203 * Disable if you run into name conflicts and want to really remove the 1204 * mbedtls_strerror() 1205 */ 1206 #define MBEDTLS_ERROR_STRERROR_DUMMY 1207 1208 /** 1209 * \def MBEDTLS_GENPRIME 1210 * 1211 * Enable the prime-number generation code. 1212 * 1213 * Requires: MBEDTLS_BIGNUM_C 1214 */ 1215 #define MBEDTLS_GENPRIME 1216 1217 /** 1218 * \def MBEDTLS_FS_IO 1219 * 1220 * Enable functions that use the filesystem. 1221 */ 1222 #define MBEDTLS_FS_IO 1223 1224 /** 1225 * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 1226 * 1227 * Do not add default entropy sources. These are the platform specific, 1228 * mbedtls_timing_hardclock and HAVEGE based poll functions. 1229 * 1230 * This is useful to have more control over the added entropy sources in an 1231 * application. 1232 * 1233 * Uncomment this macro to prevent loading of default entropy functions. 1234 */ 1235 //#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 1236 1237 /** 1238 * \def MBEDTLS_NO_PLATFORM_ENTROPY 1239 * 1240 * Do not use built-in platform entropy functions. 1241 * This is useful if your platform does not support 1242 * standards like the /dev/urandom or Windows CryptoAPI. 1243 * 1244 * Uncomment this macro to disable the built-in platform entropy functions. 1245 */ 1246 //#define MBEDTLS_NO_PLATFORM_ENTROPY 1247 1248 /** 1249 * \def MBEDTLS_ENTROPY_FORCE_SHA256 1250 * 1251 * Force the entropy accumulator to use a SHA-256 accumulator instead of the 1252 * default SHA-512 based one (if both are available). 1253 * 1254 * Requires: MBEDTLS_SHA256_C 1255 * 1256 * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option 1257 * if you have performance concerns. 1258 * 1259 * This option is only useful if both MBEDTLS_SHA256_C and 1260 * MBEDTLS_SHA512_C are defined. Otherwise the available hash module is used. 1261 */ 1262 //#define MBEDTLS_ENTROPY_FORCE_SHA256 1263 1264 /** 1265 * \def MBEDTLS_ENTROPY_NV_SEED 1266 * 1267 * Enable the non-volatile (NV) seed file-based entropy source. 1268 * (Also enables the NV seed read/write functions in the platform layer) 1269 * 1270 * This is crucial (if not required) on systems that do not have a 1271 * cryptographic entropy source (in hardware or kernel) available. 1272 * 1273 * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C 1274 * 1275 * \note The read/write functions that are used by the entropy source are 1276 * determined in the platform layer, and can be modified at runtime and/or 1277 * compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used. 1278 * 1279 * \note If you use the default implementation functions that read a seedfile 1280 * with regular fopen(), please make sure you make a seedfile with the 1281 * proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at 1282 * least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from 1283 * and written to or you will get an entropy source error! The default 1284 * implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE 1285 * bytes from the file. 1286 * 1287 * \note The entropy collector will write to the seed file before entropy is 1288 * given to an external source, to update it. 1289 */ 1290 //#define MBEDTLS_ENTROPY_NV_SEED 1291 1292 /** 1293 * \def MBEDTLS_MEMORY_DEBUG 1294 * 1295 * Enable debugging of buffer allocator memory issues. Automatically prints 1296 * (to stderr) all (fatal) messages on memory allocation issues. Enables 1297 * function for 'debug output' of allocated memory. 1298 * 1299 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1300 * 1301 * Uncomment this macro to let the buffer allocator print out error messages. 1302 */ 1303 //#define MBEDTLS_MEMORY_DEBUG 1304 1305 /** 1306 * \def MBEDTLS_MEMORY_BACKTRACE 1307 * 1308 * Include backtrace information with each allocated block. 1309 * 1310 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1311 * GLIBC-compatible backtrace() an backtrace_symbols() support 1312 * 1313 * Uncomment this macro to include backtrace information 1314 */ 1315 //#define MBEDTLS_MEMORY_BACKTRACE 1316 1317 /** 1318 * \def MBEDTLS_PK_RSA_ALT_SUPPORT 1319 * 1320 * Support external private RSA keys (eg from a HSM) in the PK layer. 1321 * 1322 * Comment this macro to disable support for external private RSA keys. 1323 */ 1324 #define MBEDTLS_PK_RSA_ALT_SUPPORT 1325 1326 /** 1327 * \def MBEDTLS_PKCS1_V15 1328 * 1329 * Enable support for PKCS#1 v1.5 encoding. 1330 * 1331 * Requires: MBEDTLS_RSA_C 1332 * 1333 * This enables support for PKCS#1 v1.5 operations. 1334 */ 1335 #define MBEDTLS_PKCS1_V15 1336 1337 /** 1338 * \def MBEDTLS_PKCS1_V21 1339 * 1340 * Enable support for PKCS#1 v2.1 encoding. 1341 * 1342 * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C 1343 * 1344 * This enables support for RSAES-OAEP and RSASSA-PSS operations. 1345 */ 1346 #define MBEDTLS_PKCS1_V21 1347 1348 /** 1349 * \def MBEDTLS_RSA_NO_CRT 1350 * 1351 * Do not use the Chinese Remainder Theorem 1352 * for the RSA private operation. 1353 * 1354 * Uncomment this macro to disable the use of CRT in RSA. 1355 * 1356 */ 1357 //#define MBEDTLS_RSA_NO_CRT 1358 1359 /** 1360 * \def MBEDTLS_SELF_TEST 1361 * 1362 * Enable the checkup functions (*_self_test). 1363 */ 1364 #define MBEDTLS_SELF_TEST 1365 1366 /** 1367 * \def MBEDTLS_SHA256_SMALLER 1368 * 1369 * Enable an implementation of SHA-256 that has lower ROM footprint but also 1370 * lower performance. 1371 * 1372 * The default implementation is meant to be a reasonnable compromise between 1373 * performance and size. This version optimizes more aggressively for size at 1374 * the expense of performance. Eg on Cortex-M4 it reduces the size of 1375 * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about 1376 * 30%. 1377 * 1378 * Uncomment to enable the smaller implementation of SHA256. 1379 */ 1380 //#define MBEDTLS_SHA256_SMALLER 1381 1382 /** 1383 * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES 1384 * 1385 * Enable sending of alert messages in case of encountered errors as per RFC. 1386 * If you choose not to send the alert messages, mbed TLS can still communicate 1387 * with other servers, only debugging of failures is harder. 1388 * 1389 * The advantage of not sending alert messages, is that no information is given 1390 * about reasons for failures thus preventing adversaries of gaining intel. 1391 * 1392 * Enable sending of all alert messages 1393 */ 1394 #define MBEDTLS_SSL_ALL_ALERT_MESSAGES 1395 1396 /** 1397 * \def MBEDTLS_SSL_ASYNC_PRIVATE 1398 * 1399 * Enable asynchronous external private key operations in SSL. This allows 1400 * you to configure an SSL connection to call an external cryptographic 1401 * module to perform private key operations instead of performing the 1402 * operation inside the library. 1403 * 1404 */ 1405 //#define MBEDTLS_SSL_ASYNC_PRIVATE 1406 1407 /** 1408 * \def MBEDTLS_SSL_DEBUG_ALL 1409 * 1410 * Enable the debug messages in SSL module for all issues. 1411 * Debug messages have been disabled in some places to prevent timing 1412 * attacks due to (unbalanced) debugging function calls. 1413 * 1414 * If you need all error reporting you should enable this during debugging, 1415 * but remove this for production servers that should log as well. 1416 * 1417 * Uncomment this macro to report all debug messages on errors introducing 1418 * a timing side-channel. 1419 * 1420 */ 1421 //#define MBEDTLS_SSL_DEBUG_ALL 1422 1423 /** \def MBEDTLS_SSL_ENCRYPT_THEN_MAC 1424 * 1425 * Enable support for Encrypt-then-MAC, RFC 7366. 1426 * 1427 * This allows peers that both support it to use a more robust protection for 1428 * ciphersuites using CBC, providing deep resistance against timing attacks 1429 * on the padding or underlying cipher. 1430 * 1431 * This only affects CBC ciphersuites, and is useless if none is defined. 1432 * 1433 * Requires: MBEDTLS_SSL_PROTO_TLS1 or 1434 * MBEDTLS_SSL_PROTO_TLS1_1 or 1435 * MBEDTLS_SSL_PROTO_TLS1_2 1436 * 1437 * Comment this macro to disable support for Encrypt-then-MAC 1438 */ 1439 #define MBEDTLS_SSL_ENCRYPT_THEN_MAC 1440 1441 /** \def MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1442 * 1443 * Enable support for Extended Master Secret, aka Session Hash 1444 * (draft-ietf-tls-session-hash-02). 1445 * 1446 * This was introduced as "the proper fix" to the Triple Handshake familiy of 1447 * attacks, but it is recommended to always use it (even if you disable 1448 * renegotiation), since it actually fixes a more fundamental issue in the 1449 * original SSL/TLS design, and has implications beyond Triple Handshake. 1450 * 1451 * Requires: MBEDTLS_SSL_PROTO_TLS1 or 1452 * MBEDTLS_SSL_PROTO_TLS1_1 or 1453 * MBEDTLS_SSL_PROTO_TLS1_2 1454 * 1455 * Comment this macro to disable support for Extended Master Secret. 1456 */ 1457 #define MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1458 1459 /** 1460 * \def MBEDTLS_SSL_FALLBACK_SCSV 1461 * 1462 * Enable support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv-00). 1463 * 1464 * For servers, it is recommended to always enable this, unless you support 1465 * only one version of TLS, or know for sure that none of your clients 1466 * implements a fallback strategy. 1467 * 1468 * For clients, you only need this if you're using a fallback strategy, which 1469 * is not recommended in the first place, unless you absolutely need it to 1470 * interoperate with buggy (version-intolerant) servers. 1471 * 1472 * Comment this macro to disable support for FALLBACK_SCSV 1473 */ 1474 #define MBEDTLS_SSL_FALLBACK_SCSV 1475 1476 /** 1477 * \def MBEDTLS_SSL_HW_RECORD_ACCEL 1478 * 1479 * Enable hooking functions in SSL module for hardware acceleration of 1480 * individual records. 1481 * 1482 * Uncomment this macro to enable hooking functions. 1483 */ 1484 //#define MBEDTLS_SSL_HW_RECORD_ACCEL 1485 1486 /** 1487 * \def MBEDTLS_SSL_CBC_RECORD_SPLITTING 1488 * 1489 * Enable 1/n-1 record splitting for CBC mode in SSLv3 and TLS 1.0. 1490 * 1491 * This is a countermeasure to the BEAST attack, which also minimizes the risk 1492 * of interoperability issues compared to sending 0-length records. 1493 * 1494 * Comment this macro to disable 1/n-1 record splitting. 1495 */ 1496 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING 1497 1498 /** 1499 * \def MBEDTLS_SSL_RENEGOTIATION 1500 * 1501 * Enable support for TLS renegotiation. 1502 * 1503 * The two main uses of renegotiation are (1) refresh keys on long-lived 1504 * connections and (2) client authentication after the initial handshake. 1505 * If you don't need renegotiation, it's probably better to disable it, since 1506 * it has been associated with security issues in the past and is easy to 1507 * misuse/misunderstand. 1508 * 1509 * Comment this to disable support for renegotiation. 1510 * 1511 * \note Even if this option is disabled, both client and server are aware 1512 * of the Renegotiation Indication Extension (RFC 5746) used to 1513 * prevent the SSL renegotiation attack (see RFC 5746 Sect. 1). 1514 * (See \c mbedtls_ssl_conf_legacy_renegotiation for the 1515 * configuration of this extension). 1516 * 1517 */ 1518 #define MBEDTLS_SSL_RENEGOTIATION 1519 1520 /** 1521 * \def MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO 1522 * 1523 * Enable support for receiving and parsing SSLv2 Client Hello messages for the 1524 * SSL Server module (MBEDTLS_SSL_SRV_C). 1525 * 1526 * Uncomment this macro to enable support for SSLv2 Client Hello messages. 1527 */ 1528 //#define MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO 1529 1530 /** 1531 * \def MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE 1532 * 1533 * Pick the ciphersuite according to the client's preferences rather than ours 1534 * in the SSL Server module (MBEDTLS_SSL_SRV_C). 1535 * 1536 * Uncomment this macro to respect client's ciphersuite order 1537 */ 1538 //#define MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE 1539 1540 /** 1541 * \def MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1542 * 1543 * Enable support for RFC 6066 max_fragment_length extension in SSL. 1544 * 1545 * Comment this macro to disable support for the max_fragment_length extension 1546 */ 1547 #define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1548 1549 /** 1550 * \def MBEDTLS_SSL_PROTO_SSL3 1551 * 1552 * Enable support for SSL 3.0. 1553 * 1554 * Requires: MBEDTLS_MD5_C 1555 * MBEDTLS_SHA1_C 1556 * 1557 * Comment this macro to disable support for SSL 3.0 1558 */ 1559 //#define MBEDTLS_SSL_PROTO_SSL3 1560 1561 /** 1562 * \def MBEDTLS_SSL_PROTO_TLS1 1563 * 1564 * Enable support for TLS 1.0. 1565 * 1566 * Requires: MBEDTLS_MD5_C 1567 * MBEDTLS_SHA1_C 1568 * 1569 * Comment this macro to disable support for TLS 1.0 1570 */ 1571 #define MBEDTLS_SSL_PROTO_TLS1 1572 1573 /** 1574 * \def MBEDTLS_SSL_PROTO_TLS1_1 1575 * 1576 * Enable support for TLS 1.1 (and DTLS 1.0 if DTLS is enabled). 1577 * 1578 * Requires: MBEDTLS_MD5_C 1579 * MBEDTLS_SHA1_C 1580 * 1581 * Comment this macro to disable support for TLS 1.1 / DTLS 1.0 1582 */ 1583 #define MBEDTLS_SSL_PROTO_TLS1_1 1584 1585 /** 1586 * \def MBEDTLS_SSL_PROTO_TLS1_2 1587 * 1588 * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled). 1589 * 1590 * Requires: MBEDTLS_SHA1_C or MBEDTLS_SHA256_C or MBEDTLS_SHA512_C 1591 * (Depends on ciphersuites) 1592 * 1593 * Comment this macro to disable support for TLS 1.2 / DTLS 1.2 1594 */ 1595 #define MBEDTLS_SSL_PROTO_TLS1_2 1596 1597 /** 1598 * \def MBEDTLS_SSL_PROTO_DTLS 1599 * 1600 * Enable support for DTLS (all available versions). 1601 * 1602 * Enable this and MBEDTLS_SSL_PROTO_TLS1_1 to enable DTLS 1.0, 1603 * and/or this and MBEDTLS_SSL_PROTO_TLS1_2 to enable DTLS 1.2. 1604 * 1605 * Requires: MBEDTLS_SSL_PROTO_TLS1_1 1606 * or MBEDTLS_SSL_PROTO_TLS1_2 1607 * 1608 * Comment this macro to disable support for DTLS 1609 */ 1610 #define MBEDTLS_SSL_PROTO_DTLS 1611 1612 /** 1613 * \def MBEDTLS_SSL_ALPN 1614 * 1615 * Enable support for RFC 7301 Application Layer Protocol Negotiation. 1616 * 1617 * Comment this macro to disable support for ALPN. 1618 */ 1619 #define MBEDTLS_SSL_ALPN 1620 1621 /** 1622 * \def MBEDTLS_SSL_DTLS_ANTI_REPLAY 1623 * 1624 * Enable support for the anti-replay mechanism in DTLS. 1625 * 1626 * Requires: MBEDTLS_SSL_TLS_C 1627 * MBEDTLS_SSL_PROTO_DTLS 1628 * 1629 * \warning Disabling this is often a security risk! 1630 * See mbedtls_ssl_conf_dtls_anti_replay() for details. 1631 * 1632 * Comment this to disable anti-replay in DTLS. 1633 */ 1634 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY 1635 1636 /** 1637 * \def MBEDTLS_SSL_DTLS_HELLO_VERIFY 1638 * 1639 * Enable support for HelloVerifyRequest on DTLS servers. 1640 * 1641 * This feature is highly recommended to prevent DTLS servers being used as 1642 * amplifiers in DoS attacks against other hosts. It should always be enabled 1643 * unless you know for sure amplification cannot be a problem in the 1644 * environment in which your server operates. 1645 * 1646 * \warning Disabling this can ba a security risk! (see above) 1647 * 1648 * Requires: MBEDTLS_SSL_PROTO_DTLS 1649 * 1650 * Comment this to disable support for HelloVerifyRequest. 1651 */ 1652 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY 1653 1654 /** 1655 * \def MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1656 * 1657 * Enable server-side support for clients that reconnect from the same port. 1658 * 1659 * Some clients unexpectedly close the connection and try to reconnect using the 1660 * same source port. This needs special support from the server to handle the 1661 * new connection securely, as described in section 4.2.8 of RFC 6347. This 1662 * flag enables that support. 1663 * 1664 * Requires: MBEDTLS_SSL_DTLS_HELLO_VERIFY 1665 * 1666 * Comment this to disable support for clients reusing the source port. 1667 */ 1668 #define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1669 1670 /** 1671 * \def MBEDTLS_SSL_DTLS_BADMAC_LIMIT 1672 * 1673 * Enable support for a limit of records with bad MAC. 1674 * 1675 * See mbedtls_ssl_conf_dtls_badmac_limit(). 1676 * 1677 * Requires: MBEDTLS_SSL_PROTO_DTLS 1678 */ 1679 #define MBEDTLS_SSL_DTLS_BADMAC_LIMIT 1680 1681 /** 1682 * \def MBEDTLS_SSL_SESSION_TICKETS 1683 * 1684 * Enable support for RFC 5077 session tickets in SSL. 1685 * Client-side, provides full support for session tickets (maintenance of a 1686 * session store remains the responsibility of the application, though). 1687 * Server-side, you also need to provide callbacks for writing and parsing 1688 * tickets, including authenticated encryption and key management. Example 1689 * callbacks are provided by MBEDTLS_SSL_TICKET_C. 1690 * 1691 * Comment this macro to disable support for SSL session tickets 1692 */ 1693 #define MBEDTLS_SSL_SESSION_TICKETS 1694 1695 /** 1696 * \def MBEDTLS_SSL_EXPORT_KEYS 1697 * 1698 * Enable support for exporting key block and master secret. 1699 * This is required for certain users of TLS, e.g. EAP-TLS. 1700 * 1701 * Comment this macro to disable support for key export 1702 */ 1703 #define MBEDTLS_SSL_EXPORT_KEYS 1704 1705 /** 1706 * \def MBEDTLS_SSL_SERVER_NAME_INDICATION 1707 * 1708 * Enable support for RFC 6066 server name indication (SNI) in SSL. 1709 * 1710 * Requires: MBEDTLS_X509_CRT_PARSE_C 1711 * 1712 * Comment this macro to disable support for server name indication in SSL 1713 */ 1714 #define MBEDTLS_SSL_SERVER_NAME_INDICATION 1715 1716 /** 1717 * \def MBEDTLS_SSL_TRUNCATED_HMAC 1718 * 1719 * Enable support for RFC 6066 truncated HMAC in SSL. 1720 * 1721 * Comment this macro to disable support for truncated HMAC in SSL 1722 */ 1723 #define MBEDTLS_SSL_TRUNCATED_HMAC 1724 1725 /** 1726 * \def MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT 1727 * 1728 * Fallback to old (pre-2.7), non-conforming implementation of the truncated 1729 * HMAC extension which also truncates the HMAC key. Note that this option is 1730 * only meant for a transitory upgrade period and is likely to be removed in 1731 * a future version of the library. 1732 * 1733 * \warning The old implementation is non-compliant and has a security weakness 1734 * (2^80 brute force attack on the HMAC key used for a single, 1735 * uninterrupted connection). This should only be enabled temporarily 1736 * when (1) the use of truncated HMAC is essential in order to save 1737 * bandwidth, and (2) the peer is an Mbed TLS stack that doesn't use 1738 * the fixed implementation yet (pre-2.7). 1739 * 1740 * \deprecated This option is deprecated and will likely be removed in a 1741 * future version of Mbed TLS. 1742 * 1743 * Uncomment to fallback to old, non-compliant truncated HMAC implementation. 1744 * 1745 * Requires: MBEDTLS_SSL_TRUNCATED_HMAC 1746 */ 1747 //#define MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT 1748 1749 /** 1750 * \def MBEDTLS_THREADING_ALT 1751 * 1752 * Provide your own alternate threading implementation. 1753 * 1754 * Requires: MBEDTLS_THREADING_C 1755 * 1756 * Uncomment this to allow your own alternate threading implementation. 1757 */ 1758 //#define MBEDTLS_THREADING_ALT 1759 1760 /** 1761 * \def MBEDTLS_THREADING_PTHREAD 1762 * 1763 * Enable the pthread wrapper layer for the threading layer. 1764 * 1765 * Requires: MBEDTLS_THREADING_C 1766 * 1767 * Uncomment this to enable pthread mutexes. 1768 */ 1769 //#define MBEDTLS_THREADING_PTHREAD 1770 1771 /** 1772 * \def MBEDTLS_VERSION_FEATURES 1773 * 1774 * Allow run-time checking of compile-time enabled features. Thus allowing users 1775 * to check at run-time if the library is for instance compiled with threading 1776 * support via mbedtls_version_check_feature(). 1777 * 1778 * Requires: MBEDTLS_VERSION_C 1779 * 1780 * Comment this to disable run-time checking and save ROM space 1781 */ 1782 #define MBEDTLS_VERSION_FEATURES 1783 1784 /** 1785 * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 1786 * 1787 * If set, the X509 parser will not break-off when parsing an X509 certificate 1788 * and encountering an extension in a v1 or v2 certificate. 1789 * 1790 * Uncomment to prevent an error. 1791 */ 1792 //#define MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 1793 1794 /** 1795 * \def MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION 1796 * 1797 * If set, the X509 parser will not break-off when parsing an X509 certificate 1798 * and encountering an unknown critical extension. 1799 * 1800 * \warning Depending on your PKI use, enabling this can be a security risk! 1801 * 1802 * Uncomment to prevent an error. 1803 */ 1804 //#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION 1805 1806 /** 1807 * \def MBEDTLS_X509_CHECK_KEY_USAGE 1808 * 1809 * Enable verification of the keyUsage extension (CA and leaf certificates). 1810 * 1811 * Disabling this avoids problems with mis-issued and/or misused 1812 * (intermediate) CA and leaf certificates. 1813 * 1814 * \warning Depending on your PKI use, disabling this can be a security risk! 1815 * 1816 * Comment to skip keyUsage checking for both CA and leaf certificates. 1817 */ 1818 #define MBEDTLS_X509_CHECK_KEY_USAGE 1819 1820 /** 1821 * \def MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE 1822 * 1823 * Enable verification of the extendedKeyUsage extension (leaf certificates). 1824 * 1825 * Disabling this avoids problems with mis-issued and/or misused certificates. 1826 * 1827 * \warning Depending on your PKI use, disabling this can be a security risk! 1828 * 1829 * Comment to skip extendedKeyUsage checking for certificates. 1830 */ 1831 #define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE 1832 1833 /** 1834 * \def MBEDTLS_X509_RSASSA_PSS_SUPPORT 1835 * 1836 * Enable parsing and verification of X.509 certificates, CRLs and CSRS 1837 * signed with RSASSA-PSS (aka PKCS#1 v2.1). 1838 * 1839 * Comment this macro to disallow using RSASSA-PSS in certificates. 1840 */ 1841 #define MBEDTLS_X509_RSASSA_PSS_SUPPORT 1842 1843 /** 1844 * \def MBEDTLS_ZLIB_SUPPORT 1845 * 1846 * If set, the SSL/TLS module uses ZLIB to support compression and 1847 * decompression of packet data. 1848 * 1849 * \warning TLS-level compression MAY REDUCE SECURITY! See for example the 1850 * CRIME attack. Before enabling this option, you should examine with care if 1851 * CRIME or similar exploits may be applicable to your use case. 1852 * 1853 * \note Currently compression can't be used with DTLS. 1854 * 1855 * \deprecated This feature is deprecated and will be removed 1856 * in the next major revision of the library. 1857 * 1858 * Used in: library/ssl_tls.c 1859 * library/ssl_cli.c 1860 * library/ssl_srv.c 1861 * 1862 * This feature requires zlib library and headers to be present. 1863 * 1864 * Uncomment to enable use of ZLIB 1865 */ 1866 //#define MBEDTLS_ZLIB_SUPPORT 1867 /* \} name SECTION: mbed TLS feature support */ 1868 1869 /** 1870 * \name SECTION: mbed TLS modules 1871 * 1872 * This section enables or disables entire modules in mbed TLS 1873 * \{ 1874 */ 1875 1876 /** 1877 * \def MBEDTLS_AESNI_C 1878 * 1879 * Enable AES-NI support on x86-64. 1880 * 1881 * Module: library/aesni.c 1882 * Caller: library/aes.c 1883 * 1884 * Requires: MBEDTLS_HAVE_ASM 1885 * 1886 * This modules adds support for the AES-NI instructions on x86-64 1887 */ 1888 #define MBEDTLS_AESNI_C 1889 1890 /** 1891 * \def MBEDTLS_AES_C 1892 * 1893 * Enable the AES block cipher. 1894 * 1895 * Module: library/aes.c 1896 * Caller: library/cipher.c 1897 * library/pem.c 1898 * library/ctr_drbg.c 1899 * 1900 * This module enables the following ciphersuites (if other requisites are 1901 * enabled as well): 1902 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 1903 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 1904 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 1905 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 1906 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 1907 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 1908 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 1909 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 1910 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 1911 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 1912 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 1913 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 1914 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 1915 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 1916 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 1917 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 1918 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 1919 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 1920 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 1921 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 1922 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 1923 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 1924 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 1925 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 1926 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 1927 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 1928 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 1929 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 1930 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 1931 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 1932 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 1933 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 1934 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 1935 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 1936 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 1937 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 1938 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 1939 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 1940 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 1941 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 1942 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 1943 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 1944 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 1945 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 1946 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 1947 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 1948 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 1949 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 1950 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 1951 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 1952 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 1953 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 1954 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 1955 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 1956 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 1957 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 1958 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 1959 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 1960 * 1961 * PEM_PARSE uses AES for decrypting encrypted keys. 1962 */ 1963 #define MBEDTLS_AES_C 1964 1965 /** 1966 * \def MBEDTLS_ARC4_C 1967 * 1968 * Enable the ARCFOUR stream cipher. 1969 * 1970 * Module: library/arc4.c 1971 * Caller: library/cipher.c 1972 * 1973 * This module enables the following ciphersuites (if other requisites are 1974 * enabled as well): 1975 * MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA 1976 * MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA 1977 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA 1978 * MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA 1979 * MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA 1980 * MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA 1981 * MBEDTLS_TLS_RSA_WITH_RC4_128_SHA 1982 * MBEDTLS_TLS_RSA_WITH_RC4_128_MD5 1983 * MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA 1984 * MBEDTLS_TLS_PSK_WITH_RC4_128_SHA 1985 * 1986 * \warning ARC4 is considered a weak cipher and its use constitutes a 1987 * security risk. If possible, we recommend avoidng dependencies on 1988 * it, and considering stronger ciphers instead. 1989 * 1990 */ 1991 #define MBEDTLS_ARC4_C 1992 1993 /** 1994 * \def MBEDTLS_ASN1_PARSE_C 1995 * 1996 * Enable the generic ASN1 parser. 1997 * 1998 * Module: library/asn1.c 1999 * Caller: library/x509.c 2000 * library/dhm.c 2001 * library/pkcs12.c 2002 * library/pkcs5.c 2003 * library/pkparse.c 2004 */ 2005 #define MBEDTLS_ASN1_PARSE_C 2006 2007 /** 2008 * \def MBEDTLS_ASN1_WRITE_C 2009 * 2010 * Enable the generic ASN1 writer. 2011 * 2012 * Module: library/asn1write.c 2013 * Caller: library/ecdsa.c 2014 * library/pkwrite.c 2015 * library/x509_create.c 2016 * library/x509write_crt.c 2017 * library/x509write_csr.c 2018 */ 2019 #define MBEDTLS_ASN1_WRITE_C 2020 2021 /** 2022 * \def MBEDTLS_BASE64_C 2023 * 2024 * Enable the Base64 module. 2025 * 2026 * Module: library/base64.c 2027 * Caller: library/pem.c 2028 * 2029 * This module is required for PEM support (required by X.509). 2030 */ 2031 #define MBEDTLS_BASE64_C 2032 2033 /** 2034 * \def MBEDTLS_BIGNUM_C 2035 * 2036 * Enable the multi-precision integer library. 2037 * 2038 * Module: library/bignum.c 2039 * Caller: library/dhm.c 2040 * library/ecp.c 2041 * library/ecdsa.c 2042 * library/rsa.c 2043 * library/rsa_internal.c 2044 * library/ssl_tls.c 2045 * 2046 * This module is required for RSA, DHM and ECC (ECDH, ECDSA) support. 2047 */ 2048 #define MBEDTLS_BIGNUM_C 2049 2050 /** 2051 * \def MBEDTLS_BLOWFISH_C 2052 * 2053 * Enable the Blowfish block cipher. 2054 * 2055 * Module: library/blowfish.c 2056 */ 2057 #define MBEDTLS_BLOWFISH_C 2058 2059 /** 2060 * \def MBEDTLS_CAMELLIA_C 2061 * 2062 * Enable the Camellia block cipher. 2063 * 2064 * Module: library/camellia.c 2065 * Caller: library/cipher.c 2066 * 2067 * This module enables the following ciphersuites (if other requisites are 2068 * enabled as well): 2069 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 2070 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 2071 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 2072 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 2073 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 2074 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 2075 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 2076 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 2077 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 2078 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 2079 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 2080 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 2081 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 2082 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 2083 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 2084 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 2085 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 2086 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 2087 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 2088 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 2089 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 2090 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 2091 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 2092 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 2093 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 2094 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 2095 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 2096 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 2097 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 2098 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 2099 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 2100 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 2101 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 2102 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 2103 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 2104 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 2105 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 2106 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 2107 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 2108 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 2109 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 2110 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 2111 */ 2112 #define MBEDTLS_CAMELLIA_C 2113 2114 /** 2115 * \def MBEDTLS_ARIA_C 2116 * 2117 * Enable the ARIA block cipher. 2118 * 2119 * Module: library/aria.c 2120 * Caller: library/cipher.c 2121 * 2122 * This module enables the following ciphersuites (if other requisites are 2123 * enabled as well): 2124 * 2125 * MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256 2126 * MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384 2127 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 2128 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 2129 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 2130 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 2131 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 2132 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 2133 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 2134 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 2135 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 2136 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 2137 * MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256 2138 * MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384 2139 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 2140 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384 2141 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 2142 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 2143 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 2144 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 2145 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 2146 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 2147 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 2148 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 2149 * MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256 2150 * MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384 2151 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 2152 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 2153 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 2154 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 2155 * MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256 2156 * MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384 2157 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 2158 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 2159 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 2160 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 2161 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 2162 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 2163 */ 2164 //#define MBEDTLS_ARIA_C 2165 2166 /** 2167 * \def MBEDTLS_CCM_C 2168 * 2169 * Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher. 2170 * 2171 * Module: library/ccm.c 2172 * 2173 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C 2174 * 2175 * This module enables the AES-CCM ciphersuites, if other requisites are 2176 * enabled as well. 2177 */ 2178 #define MBEDTLS_CCM_C 2179 2180 /** 2181 * \def MBEDTLS_CERTS_C 2182 * 2183 * Enable the test certificates. 2184 * 2185 * Module: library/certs.c 2186 * Caller: 2187 * 2188 * This module is used for testing (ssl_client/server). 2189 */ 2190 #define MBEDTLS_CERTS_C 2191 2192 /** 2193 * \def MBEDTLS_CHACHA20_C 2194 * 2195 * Enable the ChaCha20 stream cipher. 2196 * 2197 * Module: library/chacha20.c 2198 */ 2199 #define MBEDTLS_CHACHA20_C 2200 2201 /** 2202 * \def MBEDTLS_CHACHAPOLY_C 2203 * 2204 * Enable the ChaCha20-Poly1305 AEAD algorithm. 2205 * 2206 * Module: library/chachapoly.c 2207 * 2208 * This module requires: MBEDTLS_CHACHA20_C, MBEDTLS_POLY1305_C 2209 */ 2210 #define MBEDTLS_CHACHAPOLY_C 2211 2212 /** 2213 * \def MBEDTLS_CIPHER_C 2214 * 2215 * Enable the generic cipher layer. 2216 * 2217 * Module: library/cipher.c 2218 * Caller: library/ssl_tls.c 2219 * 2220 * Uncomment to enable generic cipher wrappers. 2221 */ 2222 #define MBEDTLS_CIPHER_C 2223 2224 /** 2225 * \def MBEDTLS_CMAC_C 2226 * 2227 * Enable the CMAC (Cipher-based Message Authentication Code) mode for block 2228 * ciphers. 2229 * 2230 * Module: library/cmac.c 2231 * 2232 * Requires: MBEDTLS_AES_C or MBEDTLS_DES_C 2233 * 2234 */ 2235 //#define MBEDTLS_CMAC_C 2236 2237 /** 2238 * \def MBEDTLS_CTR_DRBG_C 2239 * 2240 * Enable the CTR_DRBG AES-based random generator. 2241 * The CTR_DRBG generator uses AES-256 by default. 2242 * To use AES-128 instead, enable \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY above. 2243 * 2244 * \note To achieve a 256-bit security strength with CTR_DRBG, 2245 * you must use AES-256 *and* use sufficient entropy. 2246 * See ctr_drbg.h for more details. 2247 * 2248 * Module: library/ctr_drbg.c 2249 * Caller: 2250 * 2251 * Requires: MBEDTLS_AES_C 2252 * 2253 * This module provides the CTR_DRBG AES random number generator. 2254 */ 2255 #define MBEDTLS_CTR_DRBG_C 2256 2257 /** 2258 * \def MBEDTLS_DEBUG_C 2259 * 2260 * Enable the debug functions. 2261 * 2262 * Module: library/debug.c 2263 * Caller: library/ssl_cli.c 2264 * library/ssl_srv.c 2265 * library/ssl_tls.c 2266 * 2267 * This module provides debugging functions. 2268 */ 2269 #define MBEDTLS_DEBUG_C 2270 2271 /** 2272 * \def MBEDTLS_DES_C 2273 * 2274 * Enable the DES block cipher. 2275 * 2276 * Module: library/des.c 2277 * Caller: library/pem.c 2278 * library/cipher.c 2279 * 2280 * This module enables the following ciphersuites (if other requisites are 2281 * enabled as well): 2282 * MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA 2283 * MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA 2284 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA 2285 * MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA 2286 * MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA 2287 * MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA 2288 * MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA 2289 * MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA 2290 * MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA 2291 * MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA 2292 * 2293 * PEM_PARSE uses DES/3DES for decrypting encrypted keys. 2294 * 2295 * \warning DES is considered a weak cipher and its use constitutes a 2296 * security risk. We recommend considering stronger ciphers instead. 2297 */ 2298 #define MBEDTLS_DES_C 2299 2300 /** 2301 * \def MBEDTLS_DHM_C 2302 * 2303 * Enable the Diffie-Hellman-Merkle module. 2304 * 2305 * Module: library/dhm.c 2306 * Caller: library/ssl_cli.c 2307 * library/ssl_srv.c 2308 * 2309 * This module is used by the following key exchanges: 2310 * DHE-RSA, DHE-PSK 2311 * 2312 * \warning Using DHE constitutes a security risk as it 2313 * is not possible to validate custom DH parameters. 2314 * If possible, it is recommended users should consider 2315 * preferring other methods of key exchange. 2316 * See dhm.h for more details. 2317 * 2318 */ 2319 #define MBEDTLS_DHM_C 2320 2321 /** 2322 * \def MBEDTLS_ECDH_C 2323 * 2324 * Enable the elliptic curve Diffie-Hellman library. 2325 * 2326 * Module: library/ecdh.c 2327 * Caller: library/ssl_cli.c 2328 * library/ssl_srv.c 2329 * 2330 * This module is used by the following key exchanges: 2331 * ECDHE-ECDSA, ECDHE-RSA, DHE-PSK 2332 * 2333 * Requires: MBEDTLS_ECP_C 2334 */ 2335 #define MBEDTLS_ECDH_C 2336 2337 /** 2338 * \def MBEDTLS_ECDSA_C 2339 * 2340 * Enable the elliptic curve DSA library. 2341 * 2342 * Module: library/ecdsa.c 2343 * Caller: 2344 * 2345 * This module is used by the following key exchanges: 2346 * ECDHE-ECDSA 2347 * 2348 * Requires: MBEDTLS_ECP_C, MBEDTLS_ASN1_WRITE_C, MBEDTLS_ASN1_PARSE_C 2349 */ 2350 #define MBEDTLS_ECDSA_C 2351 2352 /** 2353 * \def MBEDTLS_ECJPAKE_C 2354 * 2355 * Enable the elliptic curve J-PAKE library. 2356 * 2357 * \warning This is currently experimental. EC J-PAKE support is based on the 2358 * Thread v1.0.0 specification; incompatible changes to the specification 2359 * might still happen. For this reason, this is disabled by default. 2360 * 2361 * Module: library/ecjpake.c 2362 * Caller: 2363 * 2364 * This module is used by the following key exchanges: 2365 * ECJPAKE 2366 * 2367 * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C 2368 */ 2369 //#define MBEDTLS_ECJPAKE_C 2370 2371 /** 2372 * \def MBEDTLS_ECP_C 2373 * 2374 * Enable the elliptic curve over GF(p) library. 2375 * 2376 * Module: library/ecp.c 2377 * Caller: library/ecdh.c 2378 * library/ecdsa.c 2379 * library/ecjpake.c 2380 * 2381 * Requires: MBEDTLS_BIGNUM_C and at least one MBEDTLS_ECP_DP_XXX_ENABLED 2382 */ 2383 #define MBEDTLS_ECP_C 2384 2385 /** 2386 * \def MBEDTLS_ENTROPY_C 2387 * 2388 * Enable the platform-specific entropy code. 2389 * 2390 * Module: library/entropy.c 2391 * Caller: 2392 * 2393 * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C 2394 * 2395 * This module provides a generic entropy pool 2396 */ 2397 #define MBEDTLS_ENTROPY_C 2398 2399 /** 2400 * \def MBEDTLS_ERROR_C 2401 * 2402 * Enable error code to error string conversion. 2403 * 2404 * Module: library/error.c 2405 * Caller: 2406 * 2407 * This module enables mbedtls_strerror(). 2408 */ 2409 #define MBEDTLS_ERROR_C 2410 2411 /** 2412 * \def MBEDTLS_GCM_C 2413 * 2414 * Enable the Galois/Counter Mode (GCM) for AES. 2415 * 2416 * Module: library/gcm.c 2417 * 2418 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C 2419 * 2420 * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other 2421 * requisites are enabled as well. 2422 */ 2423 #define MBEDTLS_GCM_C 2424 2425 /** 2426 * \def MBEDTLS_HAVEGE_C 2427 * 2428 * Enable the HAVEGE random generator. 2429 * 2430 * Warning: the HAVEGE random generator is not suitable for virtualized 2431 * environments 2432 * 2433 * Warning: the HAVEGE random generator is dependent on timing and specific 2434 * processor traits. It is therefore not advised to use HAVEGE as 2435 * your applications primary random generator or primary entropy pool 2436 * input. As a secondary input to your entropy pool, it IS able add 2437 * the (limited) extra entropy it provides. 2438 * 2439 * Module: library/havege.c 2440 * Caller: 2441 * 2442 * Requires: MBEDTLS_TIMING_C 2443 * 2444 * Uncomment to enable the HAVEGE random generator. 2445 */ 2446 //#define MBEDTLS_HAVEGE_C 2447 2448 /** 2449 * \def MBEDTLS_HKDF_C 2450 * 2451 * Enable the HKDF algorithm (RFC 5869). 2452 * 2453 * Module: library/hkdf.c 2454 * Caller: 2455 * 2456 * Requires: MBEDTLS_MD_C 2457 * 2458 * This module adds support for the Hashed Message Authentication Code 2459 * (HMAC)-based key derivation function (HKDF). 2460 */ 2461 #define MBEDTLS_HKDF_C 2462 2463 /** 2464 * \def MBEDTLS_HMAC_DRBG_C 2465 * 2466 * Enable the HMAC_DRBG random generator. 2467 * 2468 * Module: library/hmac_drbg.c 2469 * Caller: 2470 * 2471 * Requires: MBEDTLS_MD_C 2472 * 2473 * Uncomment to enable the HMAC_DRBG random number geerator. 2474 */ 2475 #define MBEDTLS_HMAC_DRBG_C 2476 2477 /** 2478 * \def MBEDTLS_NIST_KW_C 2479 * 2480 * Enable the Key Wrapping mode for 128-bit block ciphers, 2481 * as defined in NIST SP 800-38F. Only KW and KWP modes 2482 * are supported. At the moment, only AES is approved by NIST. 2483 * 2484 * Module: library/nist_kw.c 2485 * 2486 * Requires: MBEDTLS_AES_C and MBEDTLS_CIPHER_C 2487 */ 2488 //#define MBEDTLS_NIST_KW_C 2489 2490 /** 2491 * \def MBEDTLS_MD_C 2492 * 2493 * Enable the generic message digest layer. 2494 * 2495 * Module: library/md.c 2496 * Caller: 2497 * 2498 * Uncomment to enable generic message digest wrappers. 2499 */ 2500 #define MBEDTLS_MD_C 2501 2502 /** 2503 * \def MBEDTLS_MD2_C 2504 * 2505 * Enable the MD2 hash algorithm. 2506 * 2507 * Module: library/md2.c 2508 * Caller: 2509 * 2510 * Uncomment to enable support for (rare) MD2-signed X.509 certs. 2511 * 2512 * \warning MD2 is considered a weak message digest and its use constitutes a 2513 * security risk. If possible, we recommend avoiding dependencies on 2514 * it, and considering stronger message digests instead. 2515 * 2516 */ 2517 //#define MBEDTLS_MD2_C 2518 2519 /** 2520 * \def MBEDTLS_MD4_C 2521 * 2522 * Enable the MD4 hash algorithm. 2523 * 2524 * Module: library/md4.c 2525 * Caller: 2526 * 2527 * Uncomment to enable support for (rare) MD4-signed X.509 certs. 2528 * 2529 * \warning MD4 is considered a weak message digest and its use constitutes a 2530 * security risk. If possible, we recommend avoiding dependencies on 2531 * it, and considering stronger message digests instead. 2532 * 2533 */ 2534 //#define MBEDTLS_MD4_C 2535 2536 /** 2537 * \def MBEDTLS_MD5_C 2538 * 2539 * Enable the MD5 hash algorithm. 2540 * 2541 * Module: library/md5.c 2542 * Caller: library/md.c 2543 * library/pem.c 2544 * library/ssl_tls.c 2545 * 2546 * This module is required for SSL/TLS up to version 1.1, and for TLS 1.2 2547 * depending on the handshake parameters. Further, it is used for checking 2548 * MD5-signed certificates, and for PBKDF1 when decrypting PEM-encoded 2549 * encrypted keys. 2550 * 2551 * \warning MD5 is considered a weak message digest and its use constitutes a 2552 * security risk. If possible, we recommend avoiding dependencies on 2553 * it, and considering stronger message digests instead. 2554 * 2555 */ 2556 #define MBEDTLS_MD5_C 2557 2558 /** 2559 * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C 2560 * 2561 * Enable the buffer allocator implementation that makes use of a (stack) 2562 * based buffer to 'allocate' dynamic memory. (replaces calloc() and free() 2563 * calls) 2564 * 2565 * Module: library/memory_buffer_alloc.c 2566 * 2567 * Requires: MBEDTLS_PLATFORM_C 2568 * MBEDTLS_PLATFORM_MEMORY (to use it within mbed TLS) 2569 * 2570 * Enable this module to enable the buffer memory allocator. 2571 */ 2572 //#define MBEDTLS_MEMORY_BUFFER_ALLOC_C 2573 2574 /** 2575 * \def MBEDTLS_NET_C 2576 * 2577 * Enable the TCP and UDP over IPv6/IPv4 networking routines. 2578 * 2579 * \note This module only works on POSIX/Unix (including Linux, BSD and OS X) 2580 * and Windows. For other platforms, you'll want to disable it, and write your 2581 * own networking callbacks to be passed to \c mbedtls_ssl_set_bio(). 2582 * 2583 * \note See also our Knowledge Base article about porting to a new 2584 * environment: 2585 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 2586 * 2587 * Module: library/net_sockets.c 2588 * 2589 * This module provides networking routines. 2590 */ 2591 #define MBEDTLS_NET_C 2592 2593 /** 2594 * \def MBEDTLS_OID_C 2595 * 2596 * Enable the OID database. 2597 * 2598 * Module: library/oid.c 2599 * Caller: library/asn1write.c 2600 * library/pkcs5.c 2601 * library/pkparse.c 2602 * library/pkwrite.c 2603 * library/rsa.c 2604 * library/x509.c 2605 * library/x509_create.c 2606 * library/x509_crl.c 2607 * library/x509_crt.c 2608 * library/x509_csr.c 2609 * library/x509write_crt.c 2610 * library/x509write_csr.c 2611 * 2612 * This modules translates between OIDs and internal values. 2613 */ 2614 #define MBEDTLS_OID_C 2615 2616 /** 2617 * \def MBEDTLS_PADLOCK_C 2618 * 2619 * Enable VIA Padlock support on x86. 2620 * 2621 * Module: library/padlock.c 2622 * Caller: library/aes.c 2623 * 2624 * Requires: MBEDTLS_HAVE_ASM 2625 * 2626 * This modules adds support for the VIA PadLock on x86. 2627 */ 2628 // -- GODOT start -- 2629 // #define MBEDTLS_PADLOCK_C 2630 // -- GODOT end -- 2631 2632 /** 2633 * \def MBEDTLS_PEM_PARSE_C 2634 * 2635 * Enable PEM decoding / parsing. 2636 * 2637 * Module: library/pem.c 2638 * Caller: library/dhm.c 2639 * library/pkparse.c 2640 * library/x509_crl.c 2641 * library/x509_crt.c 2642 * library/x509_csr.c 2643 * 2644 * Requires: MBEDTLS_BASE64_C 2645 * 2646 * This modules adds support for decoding / parsing PEM files. 2647 */ 2648 #define MBEDTLS_PEM_PARSE_C 2649 2650 /** 2651 * \def MBEDTLS_PEM_WRITE_C 2652 * 2653 * Enable PEM encoding / writing. 2654 * 2655 * Module: library/pem.c 2656 * Caller: library/pkwrite.c 2657 * library/x509write_crt.c 2658 * library/x509write_csr.c 2659 * 2660 * Requires: MBEDTLS_BASE64_C 2661 * 2662 * This modules adds support for encoding / writing PEM files. 2663 */ 2664 #define MBEDTLS_PEM_WRITE_C 2665 2666 /** 2667 * \def MBEDTLS_PK_C 2668 * 2669 * Enable the generic public (asymetric) key layer. 2670 * 2671 * Module: library/pk.c 2672 * Caller: library/ssl_tls.c 2673 * library/ssl_cli.c 2674 * library/ssl_srv.c 2675 * 2676 * Requires: MBEDTLS_RSA_C or MBEDTLS_ECP_C 2677 * 2678 * Uncomment to enable generic public key wrappers. 2679 */ 2680 #define MBEDTLS_PK_C 2681 2682 /** 2683 * \def MBEDTLS_PK_PARSE_C 2684 * 2685 * Enable the generic public (asymetric) key parser. 2686 * 2687 * Module: library/pkparse.c 2688 * Caller: library/x509_crt.c 2689 * library/x509_csr.c 2690 * 2691 * Requires: MBEDTLS_PK_C 2692 * 2693 * Uncomment to enable generic public key parse functions. 2694 */ 2695 #define MBEDTLS_PK_PARSE_C 2696 2697 /** 2698 * \def MBEDTLS_PK_WRITE_C 2699 * 2700 * Enable the generic public (asymetric) key writer. 2701 * 2702 * Module: library/pkwrite.c 2703 * Caller: library/x509write.c 2704 * 2705 * Requires: MBEDTLS_PK_C 2706 * 2707 * Uncomment to enable generic public key write functions. 2708 */ 2709 #define MBEDTLS_PK_WRITE_C 2710 2711 /** 2712 * \def MBEDTLS_PKCS5_C 2713 * 2714 * Enable PKCS#5 functions. 2715 * 2716 * Module: library/pkcs5.c 2717 * 2718 * Requires: MBEDTLS_MD_C 2719 * 2720 * This module adds support for the PKCS#5 functions. 2721 */ 2722 #define MBEDTLS_PKCS5_C 2723 2724 /** 2725 * \def MBEDTLS_PKCS11_C 2726 * 2727 * Enable wrapper for PKCS#11 smartcard support. 2728 * 2729 * Module: library/pkcs11.c 2730 * Caller: library/pk.c 2731 * 2732 * Requires: MBEDTLS_PK_C 2733 * 2734 * This module enables SSL/TLS PKCS #11 smartcard support. 2735 * Requires the presence of the PKCS#11 helper library (libpkcs11-helper) 2736 */ 2737 //#define MBEDTLS_PKCS11_C 2738 2739 /** 2740 * \def MBEDTLS_PKCS12_C 2741 * 2742 * Enable PKCS#12 PBE functions. 2743 * Adds algorithms for parsing PKCS#8 encrypted private keys 2744 * 2745 * Module: library/pkcs12.c 2746 * Caller: library/pkparse.c 2747 * 2748 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_CIPHER_C, MBEDTLS_MD_C 2749 * Can use: MBEDTLS_ARC4_C 2750 * 2751 * This module enables PKCS#12 functions. 2752 */ 2753 #define MBEDTLS_PKCS12_C 2754 2755 /** 2756 * \def MBEDTLS_PLATFORM_C 2757 * 2758 * Enable the platform abstraction layer that allows you to re-assign 2759 * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit(). 2760 * 2761 * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT 2762 * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned 2763 * above to be specified at runtime or compile time respectively. 2764 * 2765 * \note This abstraction layer must be enabled on Windows (including MSYS2) 2766 * as other module rely on it for a fixed snprintf implementation. 2767 * 2768 * Module: library/platform.c 2769 * Caller: Most other .c files 2770 * 2771 * This module enables abstraction of common (libc) functions. 2772 */ 2773 #define MBEDTLS_PLATFORM_C 2774 2775 /** 2776 * \def MBEDTLS_POLY1305_C 2777 * 2778 * Enable the Poly1305 MAC algorithm. 2779 * 2780 * Module: library/poly1305.c 2781 * Caller: library/chachapoly.c 2782 */ 2783 #define MBEDTLS_POLY1305_C 2784 2785 /** 2786 * \def MBEDTLS_RIPEMD160_C 2787 * 2788 * Enable the RIPEMD-160 hash algorithm. 2789 * 2790 * Module: library/ripemd160.c 2791 * Caller: library/md.c 2792 * 2793 */ 2794 #define MBEDTLS_RIPEMD160_C 2795 2796 /** 2797 * \def MBEDTLS_RSA_C 2798 * 2799 * Enable the RSA public-key cryptosystem. 2800 * 2801 * Module: library/rsa.c 2802 * library/rsa_internal.c 2803 * Caller: library/ssl_cli.c 2804 * library/ssl_srv.c 2805 * library/ssl_tls.c 2806 * library/x509.c 2807 * 2808 * This module is used by the following key exchanges: 2809 * RSA, DHE-RSA, ECDHE-RSA, RSA-PSK 2810 * 2811 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C 2812 */ 2813 #define MBEDTLS_RSA_C 2814 2815 /** 2816 * \def MBEDTLS_SHA1_C 2817 * 2818 * Enable the SHA1 cryptographic hash algorithm. 2819 * 2820 * Module: library/sha1.c 2821 * Caller: library/md.c 2822 * library/ssl_cli.c 2823 * library/ssl_srv.c 2824 * library/ssl_tls.c 2825 * library/x509write_crt.c 2826 * 2827 * This module is required for SSL/TLS up to version 1.1, for TLS 1.2 2828 * depending on the handshake parameters, and for SHA1-signed certificates. 2829 * 2830 * \warning SHA-1 is considered a weak message digest and its use constitutes 2831 * a security risk. If possible, we recommend avoiding dependencies 2832 * on it, and considering stronger message digests instead. 2833 * 2834 */ 2835 #define MBEDTLS_SHA1_C 2836 2837 /** 2838 * \def MBEDTLS_SHA256_C 2839 * 2840 * Enable the SHA-224 and SHA-256 cryptographic hash algorithms. 2841 * 2842 * Module: library/sha256.c 2843 * Caller: library/entropy.c 2844 * library/md.c 2845 * library/ssl_cli.c 2846 * library/ssl_srv.c 2847 * library/ssl_tls.c 2848 * 2849 * This module adds support for SHA-224 and SHA-256. 2850 * This module is required for the SSL/TLS 1.2 PRF function. 2851 */ 2852 #define MBEDTLS_SHA256_C 2853 2854 /** 2855 * \def MBEDTLS_SHA512_C 2856 * 2857 * Enable the SHA-384 and SHA-512 cryptographic hash algorithms. 2858 * 2859 * Module: library/sha512.c 2860 * Caller: library/entropy.c 2861 * library/md.c 2862 * library/ssl_cli.c 2863 * library/ssl_srv.c 2864 * 2865 * This module adds support for SHA-384 and SHA-512. 2866 */ 2867 #define MBEDTLS_SHA512_C 2868 2869 /** 2870 * \def MBEDTLS_SSL_CACHE_C 2871 * 2872 * Enable simple SSL cache implementation. 2873 * 2874 * Module: library/ssl_cache.c 2875 * Caller: 2876 * 2877 * Requires: MBEDTLS_SSL_CACHE_C 2878 */ 2879 #define MBEDTLS_SSL_CACHE_C 2880 2881 /** 2882 * \def MBEDTLS_SSL_COOKIE_C 2883 * 2884 * Enable basic implementation of DTLS cookies for hello verification. 2885 * 2886 * Module: library/ssl_cookie.c 2887 * Caller: 2888 */ 2889 #define MBEDTLS_SSL_COOKIE_C 2890 2891 /** 2892 * \def MBEDTLS_SSL_TICKET_C 2893 * 2894 * Enable an implementation of TLS server-side callbacks for session tickets. 2895 * 2896 * Module: library/ssl_ticket.c 2897 * Caller: 2898 * 2899 * Requires: MBEDTLS_CIPHER_C 2900 */ 2901 #define MBEDTLS_SSL_TICKET_C 2902 2903 /** 2904 * \def MBEDTLS_SSL_CLI_C 2905 * 2906 * Enable the SSL/TLS client code. 2907 * 2908 * Module: library/ssl_cli.c 2909 * Caller: 2910 * 2911 * Requires: MBEDTLS_SSL_TLS_C 2912 * 2913 * This module is required for SSL/TLS client support. 2914 */ 2915 #define MBEDTLS_SSL_CLI_C 2916 2917 /** 2918 * \def MBEDTLS_SSL_SRV_C 2919 * 2920 * Enable the SSL/TLS server code. 2921 * 2922 * Module: library/ssl_srv.c 2923 * Caller: 2924 * 2925 * Requires: MBEDTLS_SSL_TLS_C 2926 * 2927 * This module is required for SSL/TLS server support. 2928 */ 2929 #define MBEDTLS_SSL_SRV_C 2930 2931 /** 2932 * \def MBEDTLS_SSL_TLS_C 2933 * 2934 * Enable the generic SSL/TLS code. 2935 * 2936 * Module: library/ssl_tls.c 2937 * Caller: library/ssl_cli.c 2938 * library/ssl_srv.c 2939 * 2940 * Requires: MBEDTLS_CIPHER_C, MBEDTLS_MD_C 2941 * and at least one of the MBEDTLS_SSL_PROTO_XXX defines 2942 * 2943 * This module is required for SSL/TLS. 2944 */ 2945 #define MBEDTLS_SSL_TLS_C 2946 2947 /** 2948 * \def MBEDTLS_THREADING_C 2949 * 2950 * Enable the threading abstraction layer. 2951 * By default mbed TLS assumes it is used in a non-threaded environment or that 2952 * contexts are not shared between threads. If you do intend to use contexts 2953 * between threads, you will need to enable this layer to prevent race 2954 * conditions. See also our Knowledge Base article about threading: 2955 * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading 2956 * 2957 * Module: library/threading.c 2958 * 2959 * This allows different threading implementations (self-implemented or 2960 * provided). 2961 * 2962 * You will have to enable either MBEDTLS_THREADING_ALT or 2963 * MBEDTLS_THREADING_PTHREAD. 2964 * 2965 * Enable this layer to allow use of mutexes within mbed TLS 2966 */ 2967 //#define MBEDTLS_THREADING_C 2968 2969 /** 2970 * \def MBEDTLS_TIMING_C 2971 * 2972 * Enable the semi-portable timing interface. 2973 * 2974 * \note The provided implementation only works on POSIX/Unix (including Linux, 2975 * BSD and OS X) and Windows. On other platforms, you can either disable that 2976 * module and provide your own implementations of the callbacks needed by 2977 * \c mbedtls_ssl_set_timer_cb() for DTLS, or leave it enabled and provide 2978 * your own implementation of the whole module by setting 2979 * \c MBEDTLS_TIMING_ALT in the current file. 2980 * 2981 * \note See also our Knowledge Base article about porting to a new 2982 * environment: 2983 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 2984 * 2985 * Module: library/timing.c 2986 * Caller: library/havege.c 2987 * 2988 * This module is used by the HAVEGE random number generator. 2989 */ 2990 #define MBEDTLS_TIMING_C 2991 2992 /** 2993 * \def MBEDTLS_VERSION_C 2994 * 2995 * Enable run-time version information. 2996 * 2997 * Module: library/version.c 2998 * 2999 * This module provides run-time version information. 3000 */ 3001 #define MBEDTLS_VERSION_C 3002 3003 /** 3004 * \def MBEDTLS_X509_USE_C 3005 * 3006 * Enable X.509 core for using certificates. 3007 * 3008 * Module: library/x509.c 3009 * Caller: library/x509_crl.c 3010 * library/x509_crt.c 3011 * library/x509_csr.c 3012 * 3013 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, 3014 * MBEDTLS_PK_PARSE_C 3015 * 3016 * This module is required for the X.509 parsing modules. 3017 */ 3018 #define MBEDTLS_X509_USE_C 3019 3020 /** 3021 * \def MBEDTLS_X509_CRT_PARSE_C 3022 * 3023 * Enable X.509 certificate parsing. 3024 * 3025 * Module: library/x509_crt.c 3026 * Caller: library/ssl_cli.c 3027 * library/ssl_srv.c 3028 * library/ssl_tls.c 3029 * 3030 * Requires: MBEDTLS_X509_USE_C 3031 * 3032 * This module is required for X.509 certificate parsing. 3033 */ 3034 #define MBEDTLS_X509_CRT_PARSE_C 3035 3036 /** 3037 * \def MBEDTLS_X509_CRL_PARSE_C 3038 * 3039 * Enable X.509 CRL parsing. 3040 * 3041 * Module: library/x509_crl.c 3042 * Caller: library/x509_crt.c 3043 * 3044 * Requires: MBEDTLS_X509_USE_C 3045 * 3046 * This module is required for X.509 CRL parsing. 3047 */ 3048 #define MBEDTLS_X509_CRL_PARSE_C 3049 3050 /** 3051 * \def MBEDTLS_X509_CSR_PARSE_C 3052 * 3053 * Enable X.509 Certificate Signing Request (CSR) parsing. 3054 * 3055 * Module: library/x509_csr.c 3056 * Caller: library/x509_crt_write.c 3057 * 3058 * Requires: MBEDTLS_X509_USE_C 3059 * 3060 * This module is used for reading X.509 certificate request. 3061 */ 3062 #define MBEDTLS_X509_CSR_PARSE_C 3063 3064 /** 3065 * \def MBEDTLS_X509_CREATE_C 3066 * 3067 * Enable X.509 core for creating certificates. 3068 * 3069 * Module: library/x509_create.c 3070 * 3071 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, MBEDTLS_PK_WRITE_C 3072 * 3073 * This module is the basis for creating X.509 certificates and CSRs. 3074 */ 3075 #define MBEDTLS_X509_CREATE_C 3076 3077 /** 3078 * \def MBEDTLS_X509_CRT_WRITE_C 3079 * 3080 * Enable creating X.509 certificates. 3081 * 3082 * Module: library/x509_crt_write.c 3083 * 3084 * Requires: MBEDTLS_X509_CREATE_C 3085 * 3086 * This module is required for X.509 certificate creation. 3087 */ 3088 #define MBEDTLS_X509_CRT_WRITE_C 3089 3090 /** 3091 * \def MBEDTLS_X509_CSR_WRITE_C 3092 * 3093 * Enable creating X.509 Certificate Signing Requests (CSR). 3094 * 3095 * Module: library/x509_csr_write.c 3096 * 3097 * Requires: MBEDTLS_X509_CREATE_C 3098 * 3099 * This module is required for X.509 certificate request writing. 3100 */ 3101 #define MBEDTLS_X509_CSR_WRITE_C 3102 3103 /** 3104 * \def MBEDTLS_XTEA_C 3105 * 3106 * Enable the XTEA block cipher. 3107 * 3108 * Module: library/xtea.c 3109 * Caller: 3110 */ 3111 #define MBEDTLS_XTEA_C 3112 3113 /* \} name SECTION: mbed TLS modules */ 3114 3115 /** 3116 * \name SECTION: Module configuration options 3117 * 3118 * This section allows for the setting of module specific sizes and 3119 * configuration options. The default values are already present in the 3120 * relevant header files and should suffice for the regular use cases. 3121 * 3122 * Our advice is to enable options and change their values here 3123 * only if you have a good reason and know the consequences. 3124 * 3125 * Please check the respective header file for documentation on these 3126 * parameters (to prevent duplicate documentation). 3127 * \{ 3128 */ 3129 3130 /* MPI / BIGNUM options */ 3131 //#define MBEDTLS_MPI_WINDOW_SIZE 6 /**< Maximum windows size used. */ 3132 //#define MBEDTLS_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */ 3133 3134 /* CTR_DRBG options */ 3135 //#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */ 3136 //#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3137 //#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3138 //#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3139 //#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3140 3141 /* HMAC_DRBG options */ 3142 //#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3143 //#define MBEDTLS_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3144 //#define MBEDTLS_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3145 //#define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3146 3147 /* ECP options */ 3148 //#define MBEDTLS_ECP_MAX_BITS 521 /**< Maximum bit size of groups */ 3149 //#define MBEDTLS_ECP_WINDOW_SIZE 6 /**< Maximum window size used */ 3150 //#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1 /**< Enable fixed-point speed-up */ 3151 3152 /* Entropy options */ 3153 //#define MBEDTLS_ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */ 3154 //#define MBEDTLS_ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */ 3155 //#define MBEDTLS_ENTROPY_MIN_HARDWARE 32 /**< Default minimum number of bytes required for the hardware entropy source mbedtls_hardware_poll() before entropy is released */ 3156 3157 /* Memory buffer allocator options */ 3158 //#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */ 3159 3160 /* Platform options */ 3161 //#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. */ 3162 //#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use, can be undefined */ 3163 //#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use, can be undefined */ 3164 //#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use, can be undefined */ 3165 //#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3166 //#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */ 3167 //#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */ 3168 /* Note: your snprintf must correctly zero-terminate the buffer! */ 3169 //#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use, can be undefined */ 3170 //#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS 0 /**< Default exit value to use, can be undefined */ 3171 //#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE 1 /**< Default exit value to use, can be undefined */ 3172 //#define MBEDTLS_PLATFORM_STD_NV_SEED_READ mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3173 //#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3174 //#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE "seedfile" /**< Seed file to read/write with default implementation */ 3175 3176 /* To Use Function Macros MBEDTLS_PLATFORM_C must be enabled */ 3177 /* MBEDTLS_PLATFORM_XXX_MACRO and MBEDTLS_PLATFORM_XXX_ALT cannot both be defined */ 3178 //#define MBEDTLS_PLATFORM_CALLOC_MACRO calloc /**< Default allocator macro to use, can be undefined */ 3179 //#define MBEDTLS_PLATFORM_FREE_MACRO free /**< Default free macro to use, can be undefined */ 3180 //#define MBEDTLS_PLATFORM_EXIT_MACRO exit /**< Default exit macro to use, can be undefined */ 3181 //#define MBEDTLS_PLATFORM_TIME_MACRO time /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3182 //#define MBEDTLS_PLATFORM_TIME_TYPE_MACRO time_t /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3183 //#define MBEDTLS_PLATFORM_FPRINTF_MACRO fprintf /**< Default fprintf macro to use, can be undefined */ 3184 //#define MBEDTLS_PLATFORM_PRINTF_MACRO printf /**< Default printf macro to use, can be undefined */ 3185 /* Note: your snprintf must correctly zero-terminate the buffer! */ 3186 //#define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf /**< Default snprintf macro to use, can be undefined */ 3187 //#define MBEDTLS_PLATFORM_NV_SEED_READ_MACRO mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3188 //#define MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3189 3190 /** 3191 * \brief This macro is invoked by the library when an invalid parameter 3192 * is detected that is only checked with #MBEDTLS_CHECK_PARAMS 3193 * (see the documentation of that option for context). 3194 * 3195 * When you leave this undefined here, the library provides 3196 * a default definition. If the macro #MBEDTLS_CHECK_PARAMS_ASSERT 3197 * is defined, the default definition is `assert(cond)`, 3198 * otherwise the default definition calls a function 3199 * mbedtls_param_failed(). This function is declared in 3200 * `platform_util.h` for the benefit of the library, but 3201 * you need to define in your application. 3202 * 3203 * When you define this here, this replaces the default 3204 * definition in platform_util.h (which no longer declares the 3205 * function mbedtls_param_failed()) and it is your responsibility 3206 * to make sure this macro expands to something suitable (in 3207 * particular, that all the necessary declarations are visible 3208 * from within the library - you can ensure that by providing 3209 * them in this file next to the macro definition). 3210 * If you define this macro to call `assert`, also define 3211 * #MBEDTLS_CHECK_PARAMS_ASSERT so that library source files 3212 * include `<assert.h>`. 3213 * 3214 * Note that you may define this macro to expand to nothing, in 3215 * which case you don't have to worry about declarations or 3216 * definitions. However, you will then be notified about invalid 3217 * parameters only in non-void functions, and void function will 3218 * just silently return early on invalid parameters, which 3219 * partially negates the benefits of enabling 3220 * #MBEDTLS_CHECK_PARAMS in the first place, so is discouraged. 3221 * 3222 * \param cond The expression that should evaluate to true, but doesn't. 3223 */ 3224 //#define MBEDTLS_PARAM_FAILED( cond ) assert( cond ) 3225 3226 /* SSL Cache options */ 3227 //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */ 3228 //#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /**< Maximum entries in cache */ 3229 3230 /* SSL options */ 3231 3232 /** \def MBEDTLS_SSL_MAX_CONTENT_LEN 3233 * 3234 * Maximum length (in bytes) of incoming and outgoing plaintext fragments. 3235 * 3236 * This determines the size of both the incoming and outgoing TLS I/O buffers 3237 * in such a way that both are capable of holding the specified amount of 3238 * plaintext data, regardless of the protection mechanism used. 3239 * 3240 * To configure incoming and outgoing I/O buffers separately, use 3241 * #MBEDTLS_SSL_IN_CONTENT_LEN and #MBEDTLS_SSL_OUT_CONTENT_LEN, 3242 * which overwrite the value set by this option. 3243 * 3244 * \note When using a value less than the default of 16KB on the client, it is 3245 * recommended to use the Maximum Fragment Length (MFL) extension to 3246 * inform the server about this limitation. On the server, there 3247 * is no supported, standardized way of informing the client about 3248 * restriction on the maximum size of incoming messages, and unless 3249 * the limitation has been communicated by other means, it is recommended 3250 * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN 3251 * while keeping the default value of 16KB for the incoming buffer. 3252 * 3253 * Uncomment to set the maximum plaintext size of both 3254 * incoming and outgoing I/O buffers. 3255 */ 3256 //#define MBEDTLS_SSL_MAX_CONTENT_LEN 16384 3257 3258 /** \def MBEDTLS_SSL_IN_CONTENT_LEN 3259 * 3260 * Maximum length (in bytes) of incoming plaintext fragments. 3261 * 3262 * This determines the size of the incoming TLS I/O buffer in such a way 3263 * that it is capable of holding the specified amount of plaintext data, 3264 * regardless of the protection mechanism used. 3265 * 3266 * If this option is undefined, it inherits its value from 3267 * #MBEDTLS_SSL_MAX_CONTENT_LEN. 3268 * 3269 * \note When using a value less than the default of 16KB on the client, it is 3270 * recommended to use the Maximum Fragment Length (MFL) extension to 3271 * inform the server about this limitation. On the server, there 3272 * is no supported, standardized way of informing the client about 3273 * restriction on the maximum size of incoming messages, and unless 3274 * the limitation has been communicated by other means, it is recommended 3275 * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN 3276 * while keeping the default value of 16KB for the incoming buffer. 3277 * 3278 * Uncomment to set the maximum plaintext size of the incoming I/O buffer 3279 * independently of the outgoing I/O buffer. 3280 */ 3281 //#define MBEDTLS_SSL_IN_CONTENT_LEN 16384 3282 3283 /** \def MBEDTLS_SSL_OUT_CONTENT_LEN 3284 * 3285 * Maximum length (in bytes) of outgoing plaintext fragments. 3286 * 3287 * This determines the size of the outgoing TLS I/O buffer in such a way 3288 * that it is capable of holding the specified amount of plaintext data, 3289 * regardless of the protection mechanism used. 3290 * 3291 * If this option undefined, it inherits its value from 3292 * #MBEDTLS_SSL_MAX_CONTENT_LEN. 3293 * 3294 * It is possible to save RAM by setting a smaller outward buffer, while keeping 3295 * the default inward 16384 byte buffer to conform to the TLS specification. 3296 * 3297 * The minimum required outward buffer size is determined by the handshake 3298 * protocol's usage. Handshaking will fail if the outward buffer is too small. 3299 * The specific size requirement depends on the configured ciphers and any 3300 * certificate data which is sent during the handshake. 3301 * 3302 * Uncomment to set the maximum plaintext size of the outgoing I/O buffer 3303 * independently of the incoming I/O buffer. 3304 */ 3305 //#define MBEDTLS_SSL_OUT_CONTENT_LEN 16384 3306 3307 /** \def MBEDTLS_SSL_DTLS_MAX_BUFFERING 3308 * 3309 * Maximum number of heap-allocated bytes for the purpose of 3310 * DTLS handshake message reassembly and future message buffering. 3311 * 3312 * This should be at least 9/8 * MBEDTLSSL_IN_CONTENT_LEN 3313 * to account for a reassembled handshake message of maximum size, 3314 * together with its reassembly bitmap. 3315 * 3316 * A value of 2 * MBEDTLS_SSL_IN_CONTENT_LEN (32768 by default) 3317 * should be sufficient for all practical situations as it allows 3318 * to reassembly a large handshake message (such as a certificate) 3319 * while buffering multiple smaller handshake messages. 3320 * 3321 */ 3322 //#define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768 3323 3324 //#define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400 /**< Lifetime of session tickets (if enabled) */ 3325 //#define MBEDTLS_PSK_MAX_LEN 32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */ 3326 //#define MBEDTLS_SSL_COOKIE_TIMEOUT 60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */ 3327 3328 /** 3329 * Complete list of ciphersuites to use, in order of preference. 3330 * 3331 * \warning No dependency checking is done on that field! This option can only 3332 * be used to restrict the set of available ciphersuites. It is your 3333 * responsibility to make sure the needed modules are active. 3334 * 3335 * Use this to save a few hundred bytes of ROM (default ordering of all 3336 * available ciphersuites) and a few to a few hundred bytes of RAM. 3337 * 3338 * The value below is only an example, not the default. 3339 */ 3340 //#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 3341 3342 /* X509 options */ 3343 //#define MBEDTLS_X509_MAX_INTERMEDIATE_CA 8 /**< Maximum number of intermediate CAs in a verification chain. */ 3344 //#define MBEDTLS_X509_MAX_FILE_PATH_LEN 512 /**< Maximum length of a path/filename string in bytes including the null terminator character ('\0'). */ 3345 3346 /** 3347 * Allow SHA-1 in the default TLS configuration for certificate signing. 3348 * Without this build-time option, SHA-1 support must be activated explicitly 3349 * through mbedtls_ssl_conf_cert_profile. Turning on this option is not 3350 * recommended because of it is possible to generate SHA-1 collisions, however 3351 * this may be safe for legacy infrastructure where additional controls apply. 3352 * 3353 * \warning SHA-1 is considered a weak message digest and its use constitutes 3354 * a security risk. If possible, we recommend avoiding dependencies 3355 * on it, and considering stronger message digests instead. 3356 * 3357 */ 3358 // #define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES 3359 3360 /** 3361 * Allow SHA-1 in the default TLS configuration for TLS 1.2 handshake 3362 * signature and ciphersuite selection. Without this build-time option, SHA-1 3363 * support must be activated explicitly through mbedtls_ssl_conf_sig_hashes. 3364 * The use of SHA-1 in TLS <= 1.1 and in HMAC-SHA-1 is always allowed by 3365 * default. At the time of writing, there is no practical attack on the use 3366 * of SHA-1 in handshake signatures, hence this option is turned on by default 3367 * to preserve compatibility with existing peers, but the general 3368 * warning applies nonetheless: 3369 * 3370 * \warning SHA-1 is considered a weak message digest and its use constitutes 3371 * a security risk. If possible, we recommend avoiding dependencies 3372 * on it, and considering stronger message digests instead. 3373 * 3374 */ 3375 #define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE 3376 3377 /** 3378 * Uncomment the macro to let mbed TLS use your alternate implementation of 3379 * mbedtls_platform_zeroize(). This replaces the default implementation in 3380 * platform_util.c. 3381 * 3382 * mbedtls_platform_zeroize() is a widely used function across the library to 3383 * zero a block of memory. The implementation is expected to be secure in the 3384 * sense that it has been written to prevent the compiler from removing calls 3385 * to mbedtls_platform_zeroize() as part of redundant code elimination 3386 * optimizations. However, it is difficult to guarantee that calls to 3387 * mbedtls_platform_zeroize() will not be optimized by the compiler as older 3388 * versions of the C language standards do not provide a secure implementation 3389 * of memset(). Therefore, MBEDTLS_PLATFORM_ZEROIZE_ALT enables users to 3390 * configure their own implementation of mbedtls_platform_zeroize(), for 3391 * example by using directives specific to their compiler, features from newer 3392 * C standards (e.g using memset_s() in C11) or calling a secure memset() from 3393 * their system (e.g explicit_bzero() in BSD). 3394 */ 3395 //#define MBEDTLS_PLATFORM_ZEROIZE_ALT 3396 3397 /** 3398 * Uncomment the macro to let Mbed TLS use your alternate implementation of 3399 * mbedtls_platform_gmtime_r(). This replaces the default implementation in 3400 * platform_util.c. 3401 * 3402 * gmtime() is not a thread-safe function as defined in the C standard. The 3403 * library will try to use safer implementations of this function, such as 3404 * gmtime_r() when available. However, if Mbed TLS cannot identify the target 3405 * system, the implementation of mbedtls_platform_gmtime_r() will default to 3406 * using the standard gmtime(). In this case, calls from the library to 3407 * gmtime() will be guarded by the global mutex mbedtls_threading_gmtime_mutex 3408 * if MBEDTLS_THREADING_C is enabled. We recommend that calls from outside the 3409 * library are also guarded with this mutex to avoid race conditions. However, 3410 * if the macro MBEDTLS_PLATFORM_GMTIME_R_ALT is defined, Mbed TLS will 3411 * unconditionally use the implementation for mbedtls_platform_gmtime_r() 3412 * supplied at compile time. 3413 */ 3414 //#define MBEDTLS_PLATFORM_GMTIME_R_ALT 3415 3416 /* \} name SECTION: Customisation configuration options */ 3417 3418 /* Target and application specific configurations 3419 * 3420 * Allow user to override any previous default. 3421 * 3422 */ 3423 #if defined(MBEDTLS_USER_CONFIG_FILE) 3424 #include MBEDTLS_USER_CONFIG_FILE 3425 #endif 3426 3427 #include "check_config.h" 3428 3429 #endif /* MBEDTLS_CONFIG_H */ 3430