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 (C) 2006-2018, ARM Limited, All Rights Reserved 12 * SPDX-License-Identifier: Apache-2.0 13 * 14 * Licensed under the Apache License, Version 2.0 (the "License"); you may 15 * not use this file except in compliance with the License. 16 * You may obtain a copy of the License at 17 * 18 * http://www.apache.org/licenses/LICENSE-2.0 19 * 20 * Unless required by applicable law or agreed to in writing, software 21 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 22 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 23 * See the License for the specific language governing permissions and 24 * limitations under the License. 25 * 26 * This file is part of mbed TLS (https://tls.mbed.org) 27 */ 28 29 #ifndef MBEDTLS_CONFIG_H 30 #define MBEDTLS_CONFIG_H 31 32 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE) 33 #define _CRT_SECURE_NO_DEPRECATE 1 34 #endif 35 36 /** 37 * \name SECTION: System support 38 * 39 * This section sets system specific settings. 40 * \{ 41 */ 42 43 /** 44 * \def MBEDTLS_HAVE_ASM 45 * 46 * The compiler has support for asm(). 47 * 48 * Requires support for asm() in compiler. 49 * 50 * Used in: 51 * library/aria.c 52 * library/timing.c 53 * include/mbedtls/bn_mul.h 54 * 55 * Required by: 56 * MBEDTLS_AESNI_C 57 * MBEDTLS_PADLOCK_C 58 * 59 * Comment to disable the use of assembly code. 60 */ 61 #define MBEDTLS_HAVE_ASM 62 63 /** 64 * \def MBEDTLS_NO_UDBL_DIVISION 65 * 66 * The platform lacks support for double-width integer division (64-bit 67 * division on a 32-bit platform, 128-bit division on a 64-bit platform). 68 * 69 * Used in: 70 * include/mbedtls/bignum.h 71 * library/bignum.c 72 * 73 * The bignum code uses double-width division to speed up some operations. 74 * Double-width division is often implemented in software that needs to 75 * be linked with the program. The presence of a double-width integer 76 * type is usually detected automatically through preprocessor macros, 77 * but the automatic detection cannot know whether the code needs to 78 * and can be linked with an implementation of division for that type. 79 * By default division is assumed to be usable if the type is present. 80 * Uncomment this option to prevent the use of double-width division. 81 * 82 * Note that division for the native integer type is always required. 83 * Furthermore, a 64-bit type is always required even on a 32-bit 84 * platform, but it need not support multiplication or division. In some 85 * cases it is also desirable to disable some double-width operations. For 86 * example, if double-width division is implemented in software, disabling 87 * it can reduce code size in some embedded targets. 88 */ 89 //#define MBEDTLS_NO_UDBL_DIVISION 90 91 /** 92 * \def MBEDTLS_NO_64BIT_MULTIPLICATION 93 * 94 * The platform lacks support for 32x32 -> 64-bit multiplication. 95 * 96 * Used in: 97 * library/poly1305.c 98 * 99 * Some parts of the library may use multiplication of two unsigned 32-bit 100 * operands with a 64-bit result in order to speed up computations. On some 101 * platforms, this is not available in hardware and has to be implemented in 102 * software, usually in a library provided by the toolchain. 103 * 104 * Sometimes it is not desirable to have to link to that library. This option 105 * removes the dependency of that library on platforms that lack a hardware 106 * 64-bit multiplier by embedding a software implementation in Mbed TLS. 107 * 108 * Note that depending on the compiler, this may decrease performance compared 109 * to using the library function provided by the toolchain. 110 */ 111 //#define MBEDTLS_NO_64BIT_MULTIPLICATION 112 113 /** 114 * \def MBEDTLS_HAVE_SSE2 115 * 116 * CPU supports SSE2 instruction set. 117 * 118 * Uncomment if the CPU supports SSE2 (IA-32 specific). 119 */ 120 //#define MBEDTLS_HAVE_SSE2 121 122 /** 123 * \def MBEDTLS_HAVE_TIME 124 * 125 * System has time.h and time(). 126 * The time does not need to be correct, only time differences are used, 127 * by contrast with MBEDTLS_HAVE_TIME_DATE 128 * 129 * Defining MBEDTLS_HAVE_TIME allows you to specify MBEDTLS_PLATFORM_TIME_ALT, 130 * MBEDTLS_PLATFORM_TIME_MACRO, MBEDTLS_PLATFORM_TIME_TYPE_MACRO and 131 * MBEDTLS_PLATFORM_STD_TIME. 132 * 133 * Comment if your system does not support time functions 134 */ 135 #define MBEDTLS_HAVE_TIME 136 137 /** 138 * \def MBEDTLS_HAVE_TIME_DATE 139 * 140 * System has time.h, time(), and an implementation for 141 * mbedtls_platform_gmtime_r() (see below). 142 * The time needs to be correct (not necessarily very accurate, but at least 143 * the date should be correct). This is used to verify the validity period of 144 * X.509 certificates. 145 * 146 * Comment if your system does not have a correct clock. 147 * 148 * \note mbedtls_platform_gmtime_r() is an abstraction in platform_util.h that 149 * behaves similarly to the gmtime_r() function from the C standard. Refer to 150 * the documentation for mbedtls_platform_gmtime_r() for more information. 151 * 152 * \note It is possible to configure an implementation for 153 * mbedtls_platform_gmtime_r() at compile-time by using the macro 154 * MBEDTLS_PLATFORM_GMTIME_R_ALT. 155 */ 156 #define MBEDTLS_HAVE_TIME_DATE 157 158 /** 159 * \def MBEDTLS_PLATFORM_MEMORY 160 * 161 * Enable the memory allocation layer. 162 * 163 * By default mbed TLS uses the system-provided calloc() and free(). 164 * This allows different allocators (self-implemented or provided) to be 165 * provided to the platform abstraction layer. 166 * 167 * Enabling MBEDTLS_PLATFORM_MEMORY without the 168 * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide 169 * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and 170 * free() function pointer at runtime. 171 * 172 * Enabling MBEDTLS_PLATFORM_MEMORY and specifying 173 * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the 174 * alternate function at compile time. 175 * 176 * Requires: MBEDTLS_PLATFORM_C 177 * 178 * Enable this layer to allow use of alternative memory allocators. 179 */ 180 //#define MBEDTLS_PLATFORM_MEMORY 181 182 /** 183 * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 184 * 185 * Do not assign standard functions in the platform layer (e.g. calloc() to 186 * MBEDTLS_PLATFORM_STD_CALLOC and printf() to MBEDTLS_PLATFORM_STD_PRINTF) 187 * 188 * This makes sure there are no linking errors on platforms that do not support 189 * these functions. You will HAVE to provide alternatives, either at runtime 190 * via the platform_set_xxx() functions or at compile time by setting 191 * the MBEDTLS_PLATFORM_STD_XXX defines, or enabling a 192 * MBEDTLS_PLATFORM_XXX_MACRO. 193 * 194 * Requires: MBEDTLS_PLATFORM_C 195 * 196 * Uncomment to prevent default assignment of standard functions in the 197 * platform layer. 198 */ 199 //#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 200 201 /** 202 * \def MBEDTLS_PLATFORM_EXIT_ALT 203 * 204 * MBEDTLS_PLATFORM_XXX_ALT: Uncomment a macro to let mbed TLS support the 205 * function in the platform abstraction layer. 206 * 207 * Example: In case you uncomment MBEDTLS_PLATFORM_PRINTF_ALT, mbed TLS will 208 * provide a function "mbedtls_platform_set_printf()" that allows you to set an 209 * alternative printf function pointer. 210 * 211 * All these define require MBEDTLS_PLATFORM_C to be defined! 212 * 213 * \note MBEDTLS_PLATFORM_SNPRINTF_ALT is required on Windows; 214 * it will be enabled automatically by check_config.h 215 * 216 * \warning MBEDTLS_PLATFORM_XXX_ALT cannot be defined at the same time as 217 * MBEDTLS_PLATFORM_XXX_MACRO! 218 * 219 * Requires: MBEDTLS_PLATFORM_TIME_ALT requires MBEDTLS_HAVE_TIME 220 * 221 * Uncomment a macro to enable alternate implementation of specific base 222 * platform function 223 */ 224 //#define MBEDTLS_PLATFORM_EXIT_ALT 225 //#define MBEDTLS_PLATFORM_TIME_ALT 226 //#define MBEDTLS_PLATFORM_FPRINTF_ALT 227 //#define MBEDTLS_PLATFORM_PRINTF_ALT 228 //#define MBEDTLS_PLATFORM_SNPRINTF_ALT 229 //#define MBEDTLS_PLATFORM_VSNPRINTF_ALT 230 //#define MBEDTLS_PLATFORM_NV_SEED_ALT 231 //#define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT 232 233 /** 234 * \def MBEDTLS_DEPRECATED_WARNING 235 * 236 * Mark deprecated functions so that they generate a warning if used. 237 * Functions deprecated in one version will usually be removed in the next 238 * version. You can enable this to help you prepare the transition to a new 239 * major version by making sure your code is not using these functions. 240 * 241 * This only works with GCC and Clang. With other compilers, you may want to 242 * use MBEDTLS_DEPRECATED_REMOVED 243 * 244 * Uncomment to get warnings on using deprecated functions. 245 */ 246 //#define MBEDTLS_DEPRECATED_WARNING 247 248 /** 249 * \def MBEDTLS_DEPRECATED_REMOVED 250 * 251 * Remove deprecated functions so that they generate an error if used. 252 * Functions deprecated in one version will usually be removed in the next 253 * version. You can enable this to help you prepare the transition to a new 254 * major version by making sure your code is not using these functions. 255 * 256 * Uncomment to get errors on using deprecated functions. 257 */ 258 //#define MBEDTLS_DEPRECATED_REMOVED 259 260 /** 261 * \def MBEDTLS_CHECK_PARAMS 262 * 263 * This configuration option controls whether the library validates more of 264 * the parameters passed to it. 265 * 266 * When this flag is not defined, the library only attempts to validate an 267 * input parameter if: (1) they may come from the outside world (such as the 268 * network, the filesystem, etc.) or (2) not validating them could result in 269 * internal memory errors such as overflowing a buffer controlled by the 270 * library. On the other hand, it doesn't attempt to validate parameters whose 271 * values are fully controlled by the application (such as pointers). 272 * 273 * When this flag is defined, the library additionally attempts to validate 274 * parameters that are fully controlled by the application, and should always 275 * be valid if the application code is fully correct and trusted. 276 * 277 * For example, when a function accepts as input a pointer to a buffer that may 278 * contain untrusted data, and its documentation mentions that this pointer 279 * must not be NULL: 280 * - The pointer is checked to be non-NULL only if this option is enabled. 281 * - The content of the buffer is always validated. 282 * 283 * When this flag is defined, if a library function receives a parameter that 284 * is invalid: 285 * 1. The function will invoke the macro MBEDTLS_PARAM_FAILED(). 286 * 2. If MBEDTLS_PARAM_FAILED() did not terminate the program, the function 287 * will immediately return. If the function returns an Mbed TLS error code, 288 * the error code in this case is MBEDTLS_ERR_xxx_BAD_INPUT_DATA. 289 * 290 * When defining this flag, you also need to arrange a definition for 291 * MBEDTLS_PARAM_FAILED(). You can do this by any of the following methods: 292 * - By default, the library defines MBEDTLS_PARAM_FAILED() to call a 293 * function mbedtls_param_failed(), but the library does not define this 294 * function. If you do not make any other arrangements, you must provide 295 * the function mbedtls_param_failed() in your application. 296 * See `platform_util.h` for its prototype. 297 * - If you enable the macro #MBEDTLS_CHECK_PARAMS_ASSERT, then the 298 * library defines MBEDTLS_PARAM_FAILED(\c cond) to be `assert(cond)`. 299 * You can still supply an alternative definition of 300 * MBEDTLS_PARAM_FAILED(), which may call `assert`. 301 * - If you define a macro MBEDTLS_PARAM_FAILED() before including `config.h` 302 * or you uncomment the definition of MBEDTLS_PARAM_FAILED() in `config.h`, 303 * the library will call the macro that you defined and will not supply 304 * its own version. Note that if MBEDTLS_PARAM_FAILED() calls `assert`, 305 * you need to enable #MBEDTLS_CHECK_PARAMS_ASSERT so that library source 306 * files include `<assert.h>`. 307 * 308 * Uncomment to enable validation of application-controlled parameters. 309 */ 310 //#define MBEDTLS_CHECK_PARAMS 311 312 /** 313 * \def MBEDTLS_CHECK_PARAMS_ASSERT 314 * 315 * Allow MBEDTLS_PARAM_FAILED() to call `assert`, and make it default to 316 * `assert`. This macro is only used if #MBEDTLS_CHECK_PARAMS is defined. 317 * 318 * If this macro is not defined, then MBEDTLS_PARAM_FAILED() defaults to 319 * calling a function mbedtls_param_failed(). See the documentation of 320 * #MBEDTLS_CHECK_PARAMS for details. 321 * 322 * Uncomment to allow MBEDTLS_PARAM_FAILED() to call `assert`. 323 */ 324 //#define MBEDTLS_CHECK_PARAMS_ASSERT 325 326 /* \} name SECTION: System support */ 327 328 /** 329 * \name SECTION: mbed TLS feature support 330 * 331 * This section sets support for features that are or are not needed 332 * within the modules that are enabled. 333 * \{ 334 */ 335 336 /** 337 * \def MBEDTLS_TIMING_ALT 338 * 339 * Uncomment to provide your own alternate implementation for mbedtls_timing_hardclock(), 340 * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay() 341 * 342 * Only works if you have MBEDTLS_TIMING_C enabled. 343 * 344 * You will need to provide a header "timing_alt.h" and an implementation at 345 * compile time. 346 */ 347 //#define MBEDTLS_TIMING_ALT 348 349 /** 350 * \def MBEDTLS_AES_ALT 351 * 352 * MBEDTLS__MODULE_NAME__ALT: Uncomment a macro to let mbed TLS use your 353 * alternate core implementation of a symmetric crypto, an arithmetic or hash 354 * module (e.g. platform specific assembly optimized implementations). Keep 355 * in mind that the function prototypes should remain the same. 356 * 357 * This replaces the whole module. If you only want to replace one of the 358 * functions, use one of the MBEDTLS__FUNCTION_NAME__ALT flags. 359 * 360 * Example: In case you uncomment MBEDTLS_AES_ALT, mbed TLS will no longer 361 * provide the "struct mbedtls_aes_context" definition and omit the base 362 * function declarations and implementations. "aes_alt.h" will be included from 363 * "aes.h" to include the new function definitions. 364 * 365 * Uncomment a macro to enable alternate implementation of the corresponding 366 * module. 367 * 368 * \warning MD2, MD4, MD5, ARC4, DES and SHA-1 are considered weak and their 369 * use constitutes a security risk. If possible, we recommend 370 * avoiding dependencies on them, and considering stronger message 371 * digests and ciphers instead. 372 * 373 */ 374 //#define MBEDTLS_AES_ALT 375 //#define MBEDTLS_ARC4_ALT 376 //#define MBEDTLS_ARIA_ALT 377 //#define MBEDTLS_BLOWFISH_ALT 378 //#define MBEDTLS_CAMELLIA_ALT 379 //#define MBEDTLS_CCM_ALT 380 //#define MBEDTLS_CHACHA20_ALT 381 //#define MBEDTLS_CHACHAPOLY_ALT 382 //#define MBEDTLS_CMAC_ALT 383 //#define MBEDTLS_DES_ALT 384 //#define MBEDTLS_DHM_ALT 385 //#define MBEDTLS_ECJPAKE_ALT 386 //#define MBEDTLS_GCM_ALT 387 //#define MBEDTLS_NIST_KW_ALT 388 //#define MBEDTLS_MD2_ALT 389 //#define MBEDTLS_MD4_ALT 390 //#define MBEDTLS_MD5_ALT 391 //#define MBEDTLS_POLY1305_ALT 392 //#define MBEDTLS_RIPEMD160_ALT 393 //#define MBEDTLS_RSA_ALT 394 //#define MBEDTLS_SHA1_ALT 395 //#define MBEDTLS_SHA256_ALT 396 //#define MBEDTLS_SHA512_ALT 397 //#define MBEDTLS_XTEA_ALT 398 399 /* 400 * When replacing the elliptic curve module, pleace consider, that it is 401 * implemented with two .c files: 402 * - ecp.c 403 * - ecp_curves.c 404 * You can replace them very much like all the other MBEDTLS__MODULE_NAME__ALT 405 * macros as described above. The only difference is that you have to make sure 406 * that you provide functionality for both .c files. 407 */ 408 //#define MBEDTLS_ECP_ALT 409 410 /** 411 * \def MBEDTLS_MD2_PROCESS_ALT 412 * 413 * MBEDTLS__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use you 414 * alternate core implementation of symmetric crypto or hash function. Keep in 415 * mind that function prototypes should remain the same. 416 * 417 * This replaces only one function. The header file from mbed TLS is still 418 * used, in contrast to the MBEDTLS__MODULE_NAME__ALT flags. 419 * 420 * Example: In case you uncomment MBEDTLS_SHA256_PROCESS_ALT, mbed TLS will 421 * no longer provide the mbedtls_sha1_process() function, but it will still provide 422 * the other function (using your mbedtls_sha1_process() function) and the definition 423 * of mbedtls_sha1_context, so your implementation of mbedtls_sha1_process must be compatible 424 * with this definition. 425 * 426 * \note Because of a signature change, the core AES encryption and decryption routines are 427 * currently named mbedtls_aes_internal_encrypt and mbedtls_aes_internal_decrypt, 428 * respectively. When setting up alternative implementations, these functions should 429 * be overridden, but the wrapper functions mbedtls_aes_decrypt and mbedtls_aes_encrypt 430 * must stay untouched. 431 * 432 * \note If you use the AES_xxx_ALT macros, then is is recommended to also set 433 * MBEDTLS_AES_ROM_TABLES in order to help the linker garbage-collect the AES 434 * tables. 435 * 436 * Uncomment a macro to enable alternate implementation of the corresponding 437 * function. 438 * 439 * \warning MD2, MD4, MD5, DES and SHA-1 are considered weak and their use 440 * constitutes a security risk. If possible, we recommend avoiding 441 * dependencies on them, and considering stronger message digests 442 * and ciphers instead. 443 * 444 */ 445 //#define MBEDTLS_MD2_PROCESS_ALT 446 //#define MBEDTLS_MD4_PROCESS_ALT 447 //#define MBEDTLS_MD5_PROCESS_ALT 448 //#define MBEDTLS_RIPEMD160_PROCESS_ALT 449 //#define MBEDTLS_SHA1_PROCESS_ALT 450 //#define MBEDTLS_SHA256_PROCESS_ALT 451 //#define MBEDTLS_SHA512_PROCESS_ALT 452 //#define MBEDTLS_DES_SETKEY_ALT 453 //#define MBEDTLS_DES_CRYPT_ECB_ALT 454 //#define MBEDTLS_DES3_CRYPT_ECB_ALT 455 //#define MBEDTLS_AES_SETKEY_ENC_ALT 456 //#define MBEDTLS_AES_SETKEY_DEC_ALT 457 //#define MBEDTLS_AES_ENCRYPT_ALT 458 //#define MBEDTLS_AES_DECRYPT_ALT 459 //#define MBEDTLS_ECDH_GEN_PUBLIC_ALT 460 //#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT 461 //#define MBEDTLS_ECDSA_VERIFY_ALT 462 //#define MBEDTLS_ECDSA_SIGN_ALT 463 //#define MBEDTLS_ECDSA_GENKEY_ALT 464 465 /** 466 * \def MBEDTLS_ECP_INTERNAL_ALT 467 * 468 * Expose a part of the internal interface of the Elliptic Curve Point module. 469 * 470 * MBEDTLS_ECP__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use your 471 * alternative core implementation of elliptic curve arithmetic. Keep in mind 472 * that function prototypes should remain the same. 473 * 474 * This partially replaces one function. The header file from mbed TLS is still 475 * used, in contrast to the MBEDTLS_ECP_ALT flag. The original implementation 476 * is still present and it is used for group structures not supported by the 477 * alternative. 478 * 479 * Any of these options become available by defining MBEDTLS_ECP_INTERNAL_ALT 480 * and implementing the following functions: 481 * unsigned char mbedtls_internal_ecp_grp_capable( 482 * const mbedtls_ecp_group *grp ) 483 * int mbedtls_internal_ecp_init( const mbedtls_ecp_group *grp ) 484 * void mbedtls_internal_ecp_free( const mbedtls_ecp_group *grp ) 485 * The mbedtls_internal_ecp_grp_capable function should return 1 if the 486 * replacement functions implement arithmetic for the given group and 0 487 * otherwise. 488 * The functions mbedtls_internal_ecp_init and mbedtls_internal_ecp_free are 489 * called before and after each point operation and provide an opportunity to 490 * implement optimized set up and tear down instructions. 491 * 492 * Example: In case you uncomment MBEDTLS_ECP_INTERNAL_ALT and 493 * MBEDTLS_ECP_DOUBLE_JAC_ALT, mbed TLS will still provide the ecp_double_jac 494 * function, but will use your mbedtls_internal_ecp_double_jac if the group is 495 * supported (your mbedtls_internal_ecp_grp_capable function returns 1 when 496 * receives it as an argument). If the group is not supported then the original 497 * implementation is used. The other functions and the definition of 498 * mbedtls_ecp_group and mbedtls_ecp_point will not change, so your 499 * implementation of mbedtls_internal_ecp_double_jac and 500 * mbedtls_internal_ecp_grp_capable must be compatible with this definition. 501 * 502 * Uncomment a macro to enable alternate implementation of the corresponding 503 * function. 504 */ 505 /* Required for all the functions in this section */ 506 //#define MBEDTLS_ECP_INTERNAL_ALT 507 /* Support for Weierstrass curves with Jacobi representation */ 508 //#define MBEDTLS_ECP_RANDOMIZE_JAC_ALT 509 //#define MBEDTLS_ECP_ADD_MIXED_ALT 510 //#define MBEDTLS_ECP_DOUBLE_JAC_ALT 511 //#define MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT 512 //#define MBEDTLS_ECP_NORMALIZE_JAC_ALT 513 /* Support for curves with Montgomery arithmetic */ 514 //#define MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT 515 //#define MBEDTLS_ECP_RANDOMIZE_MXZ_ALT 516 //#define MBEDTLS_ECP_NORMALIZE_MXZ_ALT 517 518 /** 519 * \def MBEDTLS_TEST_NULL_ENTROPY 520 * 521 * Enables testing and use of mbed TLS without any configured entropy sources. 522 * This permits use of the library on platforms before an entropy source has 523 * been integrated (see for example the MBEDTLS_ENTROPY_HARDWARE_ALT or the 524 * MBEDTLS_ENTROPY_NV_SEED switches). 525 * 526 * WARNING! This switch MUST be disabled in production builds, and is suitable 527 * only for development. 528 * Enabling the switch negates any security provided by the library. 529 * 530 * Requires MBEDTLS_ENTROPY_C, MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 531 * 532 */ 533 //#define MBEDTLS_TEST_NULL_ENTROPY 534 535 /** 536 * \def MBEDTLS_ENTROPY_HARDWARE_ALT 537 * 538 * Uncomment this macro to let mbed TLS use your own implementation of a 539 * hardware entropy collector. 540 * 541 * Your function must be called \c mbedtls_hardware_poll(), have the same 542 * prototype as declared in entropy_poll.h, and accept NULL as first argument. 543 * 544 * Uncomment to use your own hardware entropy collector. 545 */ 546 //#define MBEDTLS_ENTROPY_HARDWARE_ALT 547 548 /** 549 * \def MBEDTLS_AES_ROM_TABLES 550 * 551 * Use precomputed AES tables stored in ROM. 552 * 553 * Uncomment this macro to use precomputed AES tables stored in ROM. 554 * Comment this macro to generate AES tables in RAM at runtime. 555 * 556 * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb 557 * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the 558 * initialization time before the first AES operation can be performed. 559 * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c 560 * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded 561 * performance if ROM access is slower than RAM access. 562 * 563 * This option is independent of \c MBEDTLS_AES_FEWER_TABLES. 564 * 565 */ 566 //#define MBEDTLS_AES_ROM_TABLES 567 568 /** 569 * \def MBEDTLS_AES_FEWER_TABLES 570 * 571 * Use less ROM/RAM for AES tables. 572 * 573 * Uncommenting this macro omits 75% of the AES tables from 574 * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES) 575 * by computing their values on the fly during operations 576 * (the tables are entry-wise rotations of one another). 577 * 578 * Tradeoff: Uncommenting this reduces the RAM / ROM footprint 579 * by ~6kb but at the cost of more arithmetic operations during 580 * runtime. Specifically, one has to compare 4 accesses within 581 * different tables to 4 accesses with additional arithmetic 582 * operations within the same table. The performance gain/loss 583 * depends on the system and memory details. 584 * 585 * This option is independent of \c MBEDTLS_AES_ROM_TABLES. 586 * 587 */ 588 //#define MBEDTLS_AES_FEWER_TABLES 589 590 /** 591 * \def MBEDTLS_CAMELLIA_SMALL_MEMORY 592 * 593 * Use less ROM for the Camellia implementation (saves about 768 bytes). 594 * 595 * Uncomment this macro to use less memory for Camellia. 596 */ 597 //#define MBEDTLS_CAMELLIA_SMALL_MEMORY 598 599 /** 600 * \def MBEDTLS_CIPHER_MODE_CBC 601 * 602 * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers. 603 */ 604 #define MBEDTLS_CIPHER_MODE_CBC 605 606 /** 607 * \def MBEDTLS_CIPHER_MODE_CFB 608 * 609 * Enable Cipher Feedback mode (CFB) for symmetric ciphers. 610 */ 611 #define MBEDTLS_CIPHER_MODE_CFB 612 613 /** 614 * \def MBEDTLS_CIPHER_MODE_CTR 615 * 616 * Enable Counter Block Cipher mode (CTR) for symmetric ciphers. 617 */ 618 #define MBEDTLS_CIPHER_MODE_CTR 619 620 /** 621 * \def MBEDTLS_CIPHER_MODE_OFB 622 * 623 * Enable Output Feedback mode (OFB) for symmetric ciphers. 624 */ 625 #define MBEDTLS_CIPHER_MODE_OFB 626 627 /** 628 * \def MBEDTLS_CIPHER_MODE_XTS 629 * 630 * Enable Xor-encrypt-xor with ciphertext stealing mode (XTS) for AES. 631 */ 632 #define MBEDTLS_CIPHER_MODE_XTS 633 634 /** 635 * \def MBEDTLS_CIPHER_NULL_CIPHER 636 * 637 * Enable NULL cipher. 638 * Warning: Only do so when you know what you are doing. This allows for 639 * encryption or channels without any security! 640 * 641 * Requires MBEDTLS_ENABLE_WEAK_CIPHERSUITES as well to enable 642 * the following ciphersuites: 643 * MBEDTLS_TLS_ECDH_ECDSA_WITH_NULL_SHA 644 * MBEDTLS_TLS_ECDH_RSA_WITH_NULL_SHA 645 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_NULL_SHA 646 * MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA 647 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384 648 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256 649 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA 650 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384 651 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA256 652 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA 653 * MBEDTLS_TLS_RSA_WITH_NULL_SHA256 654 * MBEDTLS_TLS_RSA_WITH_NULL_SHA 655 * MBEDTLS_TLS_RSA_WITH_NULL_MD5 656 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384 657 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA256 658 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA 659 * MBEDTLS_TLS_PSK_WITH_NULL_SHA384 660 * MBEDTLS_TLS_PSK_WITH_NULL_SHA256 661 * MBEDTLS_TLS_PSK_WITH_NULL_SHA 662 * 663 * Uncomment this macro to enable the NULL cipher and ciphersuites 664 */ 665 //#define MBEDTLS_CIPHER_NULL_CIPHER 666 667 /** 668 * \def MBEDTLS_CIPHER_PADDING_PKCS7 669 * 670 * MBEDTLS_CIPHER_PADDING_XXX: Uncomment or comment macros to add support for 671 * specific padding modes in the cipher layer with cipher modes that support 672 * padding (e.g. CBC) 673 * 674 * If you disable all padding modes, only full blocks can be used with CBC. 675 * 676 * Enable padding modes in the cipher layer. 677 */ 678 #define MBEDTLS_CIPHER_PADDING_PKCS7 679 #define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS 680 #define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN 681 #define MBEDTLS_CIPHER_PADDING_ZEROS 682 683 /** 684 * \def MBEDTLS_ENABLE_WEAK_CIPHERSUITES 685 * 686 * Enable weak ciphersuites in SSL / TLS. 687 * Warning: Only do so when you know what you are doing. This allows for 688 * channels with virtually no security at all! 689 * 690 * This enables the following ciphersuites: 691 * MBEDTLS_TLS_RSA_WITH_DES_CBC_SHA 692 * MBEDTLS_TLS_DHE_RSA_WITH_DES_CBC_SHA 693 * 694 * Uncomment this macro to enable weak ciphersuites 695 * 696 * \warning DES is considered a weak cipher and its use constitutes a 697 * security risk. We recommend considering stronger ciphers instead. 698 */ 699 //#define MBEDTLS_ENABLE_WEAK_CIPHERSUITES 700 701 /** 702 * \def MBEDTLS_REMOVE_ARC4_CIPHERSUITES 703 * 704 * Remove RC4 ciphersuites by default in SSL / TLS. 705 * This flag removes the ciphersuites based on RC4 from the default list as 706 * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible to 707 * enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including them 708 * explicitly. 709 * 710 * Uncomment this macro to remove RC4 ciphersuites by default. 711 */ 712 #define MBEDTLS_REMOVE_ARC4_CIPHERSUITES 713 714 /** 715 * \def MBEDTLS_REMOVE_3DES_CIPHERSUITES 716 * 717 * Remove 3DES ciphersuites by default in SSL / TLS. 718 * This flag removes the ciphersuites based on 3DES from the default list as 719 * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible 720 * to enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including 721 * them explicitly. 722 * 723 * A man-in-the-browser attacker can recover authentication tokens sent through 724 * a TLS connection using a 3DES based cipher suite (see "On the Practical 725 * (In-)Security of 64-bit Block Ciphers" by Karthikeyan Bhargavan and Gaëtan 726 * Leurent, see https://sweet32.info/SWEET32_CCS16.pdf). If this attack falls 727 * in your threat model or you are unsure, then you should keep this option 728 * enabled to remove 3DES based cipher suites. 729 * 730 * Comment this macro to keep 3DES in the default ciphersuite list. 731 */ 732 #define MBEDTLS_REMOVE_3DES_CIPHERSUITES 733 734 /** 735 * \def MBEDTLS_ECP_DP_SECP192R1_ENABLED 736 * 737 * MBEDTLS_ECP_XXXX_ENABLED: Enables specific curves within the Elliptic Curve 738 * module. By default all supported curves are enabled. 739 * 740 * Comment macros to disable the curve and functions for it 741 */ 742 // #define MBEDTLS_ECP_DP_SECP192R1_ENABLED 743 #define MBEDTLS_ECP_DP_SECP224R1_ENABLED 744 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED 745 // #define MBEDTLS_ECP_DP_SECP384R1_ENABLED 746 // #define MBEDTLS_ECP_DP_SECP521R1_ENABLED 747 // #define MBEDTLS_ECP_DP_SECP192K1_ENABLED 748 // #define MBEDTLS_ECP_DP_SECP224K1_ENABLED 749 // #define MBEDTLS_ECP_DP_SECP256K1_ENABLED 750 // #define MBEDTLS_ECP_DP_BP256R1_ENABLED 751 // #define MBEDTLS_ECP_DP_BP384R1_ENABLED 752 // #define MBEDTLS_ECP_DP_BP512R1_ENABLED 753 // #define MBEDTLS_ECP_DP_CURVE25519_ENABLED 754 // #define MBEDTLS_ECP_DP_CURVE448_ENABLED 755 756 /** 757 * \def MBEDTLS_ECP_NIST_OPTIM 758 * 759 * Enable specific 'modulo p' routines for each NIST prime. 760 * Depending on the prime and architecture, makes operations 4 to 8 times 761 * faster on the corresponding curve. 762 * 763 * Comment this macro to disable NIST curves optimisation. 764 */ 765 #define MBEDTLS_ECP_NIST_OPTIM 766 767 /** 768 * \def MBEDTLS_ECP_RESTARTABLE 769 * 770 * Enable "non-blocking" ECC operations that can return early and be resumed. 771 * 772 * This allows various functions to pause by returning 773 * #MBEDTLS_ERR_ECP_IN_PROGRESS (or, for functions in the SSL module, 774 * #MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) and then be called later again in 775 * order to further progress and eventually complete their operation. This is 776 * controlled through mbedtls_ecp_set_max_ops() which limits the maximum 777 * number of ECC operations a function may perform before pausing; see 778 * mbedtls_ecp_set_max_ops() for more information. 779 * 780 * This is useful in non-threaded environments if you want to avoid blocking 781 * for too long on ECC (and, hence, X.509 or SSL/TLS) operations. 782 * 783 * Uncomment this macro to enable restartable ECC computations. 784 * 785 * \note This option only works with the default software implementation of 786 * elliptic curve functionality. It is incompatible with 787 * MBEDTLS_ECP_ALT, MBEDTLS_ECDH_XXX_ALT, MBEDTLS_ECDSA_XXX_ALT 788 * and MBEDTLS_ECDH_LEGACY_CONTEXT. 789 */ 790 //#define MBEDTLS_ECP_RESTARTABLE 791 792 /** 793 * \def MBEDTLS_ECDH_LEGACY_CONTEXT 794 * 795 * Use a backward compatible ECDH context. 796 * 797 * Mbed TLS supports two formats for ECDH contexts (#mbedtls_ecdh_context 798 * defined in `ecdh.h`). For most applications, the choice of format makes 799 * no difference, since all library functions can work with either format, 800 * except that the new format is incompatible with MBEDTLS_ECP_RESTARTABLE. 801 802 * The new format used when this option is disabled is smaller 803 * (56 bytes on a 32-bit platform). In future versions of the library, it 804 * will support alternative implementations of ECDH operations. 805 * The new format is incompatible with applications that access 806 * context fields directly and with restartable ECP operations. 807 * 808 * Define this macro if you enable MBEDTLS_ECP_RESTARTABLE or if you 809 * want to access ECDH context fields directly. Otherwise you should 810 * comment out this macro definition. 811 * 812 * This option has no effect if #MBEDTLS_ECDH_C is not enabled. 813 * 814 * \note This configuration option is experimental. Future versions of the 815 * library may modify the way the ECDH context layout is configured 816 * and may modify the layout of the new context type. 817 */ 818 #define MBEDTLS_ECDH_LEGACY_CONTEXT 819 820 /** 821 * \def MBEDTLS_ECDSA_DETERMINISTIC 822 * 823 * Enable deterministic ECDSA (RFC 6979). 824 * Standard ECDSA is "fragile" in the sense that lack of entropy when signing 825 * may result in a compromise of the long-term signing key. This is avoided by 826 * the deterministic variant. 827 * 828 * Requires: MBEDTLS_HMAC_DRBG_C 829 * 830 * Comment this macro to disable deterministic ECDSA. 831 */ 832 #define MBEDTLS_ECDSA_DETERMINISTIC 833 834 /** 835 * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 836 * 837 * Enable the PSK based ciphersuite modes in SSL / TLS. 838 * 839 * This enables the following ciphersuites (if other requisites are 840 * enabled as well): 841 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 842 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 843 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 844 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 845 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 846 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 847 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 848 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 849 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 850 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 851 * MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA 852 * MBEDTLS_TLS_PSK_WITH_RC4_128_SHA 853 */ 854 #define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 855 856 /** 857 * \def MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 858 * 859 * Enable the DHE-PSK based ciphersuite modes in SSL / TLS. 860 * 861 * Requires: MBEDTLS_DHM_C 862 * 863 * This enables the following ciphersuites (if other requisites are 864 * enabled as well): 865 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 866 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 867 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 868 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 869 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 870 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 871 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 872 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 873 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 874 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 875 * MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA 876 * MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA 877 * 878 * \warning Using DHE constitutes a security risk as it 879 * is not possible to validate custom DH parameters. 880 * If possible, it is recommended users should consider 881 * preferring other methods of key exchange. 882 * See dhm.h for more details. 883 * 884 */ 885 #define MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 886 887 /** 888 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 889 * 890 * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS. 891 * 892 * Requires: MBEDTLS_ECDH_C 893 * 894 * This enables the following ciphersuites (if other requisites are 895 * enabled as well): 896 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 897 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 898 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 899 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 900 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 901 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 902 * MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA 903 * MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA 904 */ 905 #define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 906 907 /** 908 * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 909 * 910 * Enable the RSA-PSK based ciphersuite modes in SSL / TLS. 911 * 912 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 913 * MBEDTLS_X509_CRT_PARSE_C 914 * 915 * This enables the following ciphersuites (if other requisites are 916 * enabled as well): 917 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 918 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 919 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 920 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 921 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 922 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 923 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 924 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 925 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 926 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 927 * MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA 928 * MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA 929 */ 930 #define MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 931 932 /** 933 * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 934 * 935 * Enable the RSA-only based ciphersuite modes in SSL / TLS. 936 * 937 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 938 * MBEDTLS_X509_CRT_PARSE_C 939 * 940 * This enables the following ciphersuites (if other requisites are 941 * enabled as well): 942 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 943 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 944 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 945 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 946 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 947 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 948 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 949 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 950 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 951 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 952 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 953 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 954 * MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA 955 * MBEDTLS_TLS_RSA_WITH_RC4_128_SHA 956 * MBEDTLS_TLS_RSA_WITH_RC4_128_MD5 957 */ 958 #define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 959 960 /** 961 * \def MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 962 * 963 * Enable the DHE-RSA based ciphersuite modes in SSL / TLS. 964 * 965 * Requires: MBEDTLS_DHM_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 966 * MBEDTLS_X509_CRT_PARSE_C 967 * 968 * This enables the following ciphersuites (if other requisites are 969 * enabled as well): 970 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 971 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 972 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 973 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 974 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 975 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 976 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 977 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 978 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 979 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 980 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 981 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 982 * MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA 983 * 984 * \warning Using DHE constitutes a security risk as it 985 * is not possible to validate custom DH parameters. 986 * If possible, it is recommended users should consider 987 * preferring other methods of key exchange. 988 * See dhm.h for more details. 989 * 990 */ 991 #define MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 992 993 /** 994 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 995 * 996 * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS. 997 * 998 * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 999 * MBEDTLS_X509_CRT_PARSE_C 1000 * 1001 * This enables the following ciphersuites (if other requisites are 1002 * enabled as well): 1003 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 1004 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 1005 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 1006 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 1007 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 1008 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 1009 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 1010 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 1011 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 1012 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 1013 * MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA 1014 * MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA 1015 */ 1016 #define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 1017 1018 /** 1019 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 1020 * 1021 * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS. 1022 * 1023 * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C, 1024 * 1025 * This enables the following ciphersuites (if other requisites are 1026 * enabled as well): 1027 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 1028 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 1029 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 1030 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 1031 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 1032 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 1033 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 1034 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 1035 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 1036 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 1037 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA 1038 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA 1039 */ 1040 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 1041 1042 /** 1043 * \def MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 1044 * 1045 * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS. 1046 * 1047 * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C 1048 * 1049 * This enables the following ciphersuites (if other requisites are 1050 * enabled as well): 1051 * MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA 1052 * MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA 1053 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 1054 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 1055 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 1056 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 1057 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 1058 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 1059 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 1060 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 1061 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 1062 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 1063 */ 1064 #define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 1065 1066 /** 1067 * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 1068 * 1069 * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS. 1070 * 1071 * Requires: MBEDTLS_ECDH_C, MBEDTLS_X509_CRT_PARSE_C 1072 * 1073 * This enables the following ciphersuites (if other requisites are 1074 * enabled as well): 1075 * MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA 1076 * MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA 1077 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 1078 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 1079 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 1080 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 1081 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 1082 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 1083 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 1084 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 1085 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 1086 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 1087 */ 1088 #define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 1089 1090 /** 1091 * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 1092 * 1093 * Enable the ECJPAKE based ciphersuite modes in SSL / TLS. 1094 * 1095 * \warning This is currently experimental. EC J-PAKE support is based on the 1096 * Thread v1.0.0 specification; incompatible changes to the specification 1097 * might still happen. For this reason, this is disabled by default. 1098 * 1099 * Requires: MBEDTLS_ECJPAKE_C 1100 * MBEDTLS_SHA256_C 1101 * MBEDTLS_ECP_DP_SECP256R1_ENABLED 1102 * 1103 * This enables the following ciphersuites (if other requisites are 1104 * enabled as well): 1105 * MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8 1106 */ 1107 //#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 1108 1109 /** 1110 * \def MBEDTLS_PK_PARSE_EC_EXTENDED 1111 * 1112 * Enhance support for reading EC keys using variants of SEC1 not allowed by 1113 * RFC 5915 and RFC 5480. 1114 * 1115 * Currently this means parsing the SpecifiedECDomain choice of EC 1116 * parameters (only known groups are supported, not arbitrary domains, to 1117 * avoid validation issues). 1118 * 1119 * Disable if you only need to support RFC 5915 + 5480 key formats. 1120 */ 1121 #define MBEDTLS_PK_PARSE_EC_EXTENDED 1122 1123 /** 1124 * \def MBEDTLS_ERROR_STRERROR_DUMMY 1125 * 1126 * Enable a dummy error function to make use of mbedtls_strerror() in 1127 * third party libraries easier when MBEDTLS_ERROR_C is disabled 1128 * (no effect when MBEDTLS_ERROR_C is enabled). 1129 * 1130 * You can safely disable this if MBEDTLS_ERROR_C is enabled, or if you're 1131 * not using mbedtls_strerror() or error_strerror() in your application. 1132 * 1133 * Disable if you run into name conflicts and want to really remove the 1134 * mbedtls_strerror() 1135 */ 1136 // #define MBEDTLS_ERROR_STRERROR_DUMMY 1137 1138 /** 1139 * \def MBEDTLS_GENPRIME 1140 * 1141 * Enable the prime-number generation code. 1142 * 1143 * Requires: MBEDTLS_BIGNUM_C 1144 */ 1145 #define MBEDTLS_GENPRIME 1146 1147 /** 1148 * \def MBEDTLS_FS_IO 1149 * 1150 * Enable functions that use the filesystem. 1151 */ 1152 // #define MBEDTLS_FS_IO 1153 1154 /** 1155 * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 1156 * 1157 * Do not add default entropy sources. These are the platform specific, 1158 * mbedtls_timing_hardclock and HAVEGE based poll functions. 1159 * 1160 * This is useful to have more control over the added entropy sources in an 1161 * application. 1162 * 1163 * Uncomment this macro to prevent loading of default entropy functions. 1164 */ 1165 //#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 1166 1167 /** 1168 * \def MBEDTLS_NO_PLATFORM_ENTROPY 1169 * 1170 * Do not use built-in platform entropy functions. 1171 * This is useful if your platform does not support 1172 * standards like the /dev/urandom or Windows CryptoAPI. 1173 * 1174 * Uncomment this macro to disable the built-in platform entropy functions. 1175 */ 1176 #define MBEDTLS_NO_PLATFORM_ENTROPY 1177 1178 /** 1179 * \def MBEDTLS_ENTROPY_FORCE_SHA256 1180 * 1181 * Force the entropy accumulator to use a SHA-256 accumulator instead of the 1182 * default SHA-512 based one (if both are available). 1183 * 1184 * Requires: MBEDTLS_SHA256_C 1185 * 1186 * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option 1187 * if you have performance concerns. 1188 * 1189 * This option is only useful if both MBEDTLS_SHA256_C and 1190 * MBEDTLS_SHA512_C are defined. Otherwise the available hash module is used. 1191 */ 1192 //#define MBEDTLS_ENTROPY_FORCE_SHA256 1193 1194 /** 1195 * \def MBEDTLS_ENTROPY_NV_SEED 1196 * 1197 * Enable the non-volatile (NV) seed file-based entropy source. 1198 * (Also enables the NV seed read/write functions in the platform layer) 1199 * 1200 * This is crucial (if not required) on systems that do not have a 1201 * cryptographic entropy source (in hardware or kernel) available. 1202 * 1203 * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C 1204 * 1205 * \note The read/write functions that are used by the entropy source are 1206 * determined in the platform layer, and can be modified at runtime and/or 1207 * compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used. 1208 * 1209 * \note If you use the default implementation functions that read a seedfile 1210 * with regular fopen(), please make sure you make a seedfile with the 1211 * proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at 1212 * least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from 1213 * and written to or you will get an entropy source error! The default 1214 * implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE 1215 * bytes from the file. 1216 * 1217 * \note The entropy collector will write to the seed file before entropy is 1218 * given to an external source, to update it. 1219 */ 1220 //#define MBEDTLS_ENTROPY_NV_SEED 1221 1222 /** 1223 * \def MBEDTLS_MEMORY_DEBUG 1224 * 1225 * Enable debugging of buffer allocator memory issues. Automatically prints 1226 * (to stderr) all (fatal) messages on memory allocation issues. Enables 1227 * function for 'debug output' of allocated memory. 1228 * 1229 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1230 * 1231 * Uncomment this macro to let the buffer allocator print out error messages. 1232 */ 1233 //#define MBEDTLS_MEMORY_DEBUG 1234 1235 /** 1236 * \def MBEDTLS_MEMORY_BACKTRACE 1237 * 1238 * Include backtrace information with each allocated block. 1239 * 1240 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1241 * GLIBC-compatible backtrace() an backtrace_symbols() support 1242 * 1243 * Uncomment this macro to include backtrace information 1244 */ 1245 //#define MBEDTLS_MEMORY_BACKTRACE 1246 1247 /** 1248 * \def MBEDTLS_PK_RSA_ALT_SUPPORT 1249 * 1250 * Support external private RSA keys (eg from a HSM) in the PK layer. 1251 * 1252 * Comment this macro to disable support for external private RSA keys. 1253 */ 1254 // #define MBEDTLS_PK_RSA_ALT_SUPPORT 1255 1256 /** 1257 * \def MBEDTLS_PKCS1_V15 1258 * 1259 * Enable support for PKCS#1 v1.5 encoding. 1260 * 1261 * Requires: MBEDTLS_RSA_C 1262 * 1263 * This enables support for PKCS#1 v1.5 operations. 1264 */ 1265 #define MBEDTLS_PKCS1_V15 1266 1267 /** 1268 * \def MBEDTLS_PKCS1_V21 1269 * 1270 * Enable support for PKCS#1 v2.1 encoding. 1271 * 1272 * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C 1273 * 1274 * This enables support for RSAES-OAEP and RSASSA-PSS operations. 1275 */ 1276 #define MBEDTLS_PKCS1_V21 1277 1278 /** 1279 * \def MBEDTLS_PSA_CRYPTO_SPM 1280 * 1281 * When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is built for SPM (Secure 1282 * Partition Manager) integration which separates the code into two parts: a 1283 * NSPE (Non-Secure Process Environment) and an SPE (Secure Process 1284 * Environment). 1285 * 1286 * Module: library/psa_crypto.c 1287 * Requires: MBEDTLS_PSA_CRYPTO_C 1288 * 1289 */ 1290 //#define MBEDTLS_PSA_CRYPTO_SPM 1291 1292 /** 1293 * \def MBEDTLS_PSA_INJECT_ENTROPY 1294 * 1295 * Enable support for entropy injection at first boot. This feature is 1296 * required on systems that do not have a built-in entropy source (TRNG). 1297 * This feature is currently not supported on systems that have a built-in 1298 * entropy source. 1299 * 1300 * Requires: MBEDTLS_PSA_CRYPTO_STORAGE_C, MBEDTLS_ENTROPY_NV_SEED 1301 * 1302 */ 1303 //#define MBEDTLS_PSA_INJECT_ENTROPY 1304 1305 /** 1306 * \def MBEDTLS_RSA_NO_CRT 1307 * 1308 * Do not use the Chinese Remainder Theorem 1309 * for the RSA private operation. 1310 * 1311 * Uncomment this macro to disable the use of CRT in RSA. 1312 * 1313 */ 1314 //#define MBEDTLS_RSA_NO_CRT 1315 1316 /** 1317 * \def MBEDTLS_SELF_TEST 1318 * 1319 * Enable the checkup functions (*_self_test). 1320 */ 1321 #define MBEDTLS_SELF_TEST 1322 1323 /** 1324 * \def MBEDTLS_SHA256_SMALLER 1325 * 1326 * Enable an implementation of SHA-256 that has lower ROM footprint but also 1327 * lower performance. 1328 * 1329 * The default implementation is meant to be a reasonnable compromise between 1330 * performance and size. This version optimizes more aggressively for size at 1331 * the expense of performance. Eg on Cortex-M4 it reduces the size of 1332 * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about 1333 * 30%. 1334 * 1335 * Uncomment to enable the smaller implementation of SHA256. 1336 */ 1337 //#define MBEDTLS_SHA256_SMALLER 1338 1339 /** 1340 * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES 1341 * 1342 * Enable sending of alert messages in case of encountered errors as per RFC. 1343 * If you choose not to send the alert messages, mbed TLS can still communicate 1344 * with other servers, only debugging of failures is harder. 1345 * 1346 * The advantage of not sending alert messages, is that no information is given 1347 * about reasons for failures thus preventing adversaries of gaining intel. 1348 * 1349 * Enable sending of all alert messages 1350 */ 1351 #define MBEDTLS_SSL_ALL_ALERT_MESSAGES 1352 1353 /** 1354 * \def MBEDTLS_SSL_RECORD_CHECKING 1355 * 1356 * Enable the function mbedtls_ssl_check_record() which can be used to check 1357 * the validity and authenticity of an incoming record, to verify that it has 1358 * not been seen before. These checks are performed without modifying the 1359 * externally visible state of the SSL context. 1360 * 1361 * See mbedtls_ssl_check_record() for more information. 1362 * 1363 * Uncomment to enable support for record checking. 1364 */ 1365 #define MBEDTLS_SSL_RECORD_CHECKING 1366 1367 /** 1368 * \def MBEDTLS_SSL_DTLS_CONNECTION_ID 1369 * 1370 * Enable support for the DTLS Connection ID extension 1371 * (version draft-ietf-tls-dtls-connection-id-05, 1372 * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05) 1373 * which allows to identify DTLS connections across changes 1374 * in the underlying transport. 1375 * 1376 * Setting this option enables the SSL APIs `mbedtls_ssl_set_cid()`, 1377 * `mbedtls_ssl_get_peer_cid()` and `mbedtls_ssl_conf_cid()`. 1378 * See the corresponding documentation for more information. 1379 * 1380 * \warning The Connection ID extension is still in draft state. 1381 * We make no stability promises for the availability 1382 * or the shape of the API controlled by this option. 1383 * 1384 * The maximum lengths of outgoing and incoming CIDs can be configured 1385 * through the options 1386 * - MBEDTLS_SSL_CID_OUT_LEN_MAX 1387 * - MBEDTLS_SSL_CID_IN_LEN_MAX. 1388 * 1389 * Requires: MBEDTLS_SSL_PROTO_DTLS 1390 * 1391 * Uncomment to enable the Connection ID extension. 1392 */ 1393 //#define MBEDTLS_SSL_DTLS_CONNECTION_ID 1394 1395 /** 1396 * \def MBEDTLS_SSL_ASYNC_PRIVATE 1397 * 1398 * Enable asynchronous external private key operations in SSL. This allows 1399 * you to configure an SSL connection to call an external cryptographic 1400 * module to perform private key operations instead of performing the 1401 * operation inside the library. 1402 * 1403 */ 1404 //#define MBEDTLS_SSL_ASYNC_PRIVATE 1405 1406 /** 1407 * \def MBEDTLS_SSL_CONTEXT_SERIALIZATION 1408 * 1409 * Enable serialization of the TLS context structures, through use of the 1410 * functions mbedtls_ssl_context_save() and mbedtls_ssl_context_load(). 1411 * 1412 * This pair of functions allows one side of a connection to serialize the 1413 * context associated with the connection, then free or re-use that context 1414 * while the serialized state is persisted elsewhere, and finally deserialize 1415 * that state to a live context for resuming read/write operations on the 1416 * connection. From a protocol perspective, the state of the connection is 1417 * unaffected, in particular this is entirely transparent to the peer. 1418 * 1419 * Note: this is distinct from TLS session resumption, which is part of the 1420 * protocol and fully visible by the peer. TLS session resumption enables 1421 * establishing new connections associated to a saved session with shorter, 1422 * lighter handshakes, while context serialization is a local optimization in 1423 * handling a single, potentially long-lived connection. 1424 * 1425 * Enabling these APIs makes some SSL structures larger, as 64 extra bytes are 1426 * saved after the handshake to allow for more efficient serialization, so if 1427 * you don't need this feature you'll save RAM by disabling it. 1428 * 1429 * Comment to disable the context serialization APIs. 1430 */ 1431 #define MBEDTLS_SSL_CONTEXT_SERIALIZATION 1432 1433 /** 1434 * \def MBEDTLS_SSL_DEBUG_ALL 1435 * 1436 * Enable the debug messages in SSL module for all issues. 1437 * Debug messages have been disabled in some places to prevent timing 1438 * attacks due to (unbalanced) debugging function calls. 1439 * 1440 * If you need all error reporting you should enable this during debugging, 1441 * but remove this for production servers that should log as well. 1442 * 1443 * Uncomment this macro to report all debug messages on errors introducing 1444 * a timing side-channel. 1445 * 1446 */ 1447 //#define MBEDTLS_SSL_DEBUG_ALL 1448 1449 /** \def MBEDTLS_SSL_ENCRYPT_THEN_MAC 1450 * 1451 * Enable support for Encrypt-then-MAC, RFC 7366. 1452 * 1453 * This allows peers that both support it to use a more robust protection for 1454 * ciphersuites using CBC, providing deep resistance against timing attacks 1455 * on the padding or underlying cipher. 1456 * 1457 * This only affects CBC ciphersuites, and is useless if none is defined. 1458 * 1459 * Requires: MBEDTLS_SSL_PROTO_TLS1 or 1460 * MBEDTLS_SSL_PROTO_TLS1_1 or 1461 * MBEDTLS_SSL_PROTO_TLS1_2 1462 * 1463 * Comment this macro to disable support for Encrypt-then-MAC 1464 */ 1465 #define MBEDTLS_SSL_ENCRYPT_THEN_MAC 1466 1467 /** \def MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1468 * 1469 * Enable support for Extended Master Secret, aka Session Hash 1470 * (draft-ietf-tls-session-hash-02). 1471 * 1472 * This was introduced as "the proper fix" to the Triple Handshake familiy of 1473 * attacks, but it is recommended to always use it (even if you disable 1474 * renegotiation), since it actually fixes a more fundamental issue in the 1475 * original SSL/TLS design, and has implications beyond Triple Handshake. 1476 * 1477 * Requires: MBEDTLS_SSL_PROTO_TLS1 or 1478 * MBEDTLS_SSL_PROTO_TLS1_1 or 1479 * MBEDTLS_SSL_PROTO_TLS1_2 1480 * 1481 * Comment this macro to disable support for Extended Master Secret. 1482 */ 1483 #define MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1484 1485 /** 1486 * \def MBEDTLS_SSL_FALLBACK_SCSV 1487 * 1488 * Enable support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv-00). 1489 * 1490 * For servers, it is recommended to always enable this, unless you support 1491 * only one version of TLS, or know for sure that none of your clients 1492 * implements a fallback strategy. 1493 * 1494 * For clients, you only need this if you're using a fallback strategy, which 1495 * is not recommended in the first place, unless you absolutely need it to 1496 * interoperate with buggy (version-intolerant) servers. 1497 * 1498 * Comment this macro to disable support for FALLBACK_SCSV 1499 */ 1500 #define MBEDTLS_SSL_FALLBACK_SCSV 1501 1502 /** 1503 * \def MBEDTLS_SSL_KEEP_PEER_CERTIFICATE 1504 * 1505 * This option controls the availability of the API mbedtls_ssl_get_peer_cert() 1506 * giving access to the peer's certificate after completion of the handshake. 1507 * 1508 * Unless you need mbedtls_ssl_peer_cert() in your application, it is 1509 * recommended to disable this option for reduced RAM usage. 1510 * 1511 * \note If this option is disabled, mbedtls_ssl_get_peer_cert() is still 1512 * defined, but always returns \c NULL. 1513 * 1514 * \note This option has no influence on the protection against the 1515 * triple handshake attack. Even if it is disabled, Mbed TLS will 1516 * still ensure that certificates do not change during renegotiation, 1517 * for exaple by keeping a hash of the peer's certificate. 1518 * 1519 * Comment this macro to disable storing the peer's certificate 1520 * after the handshake. 1521 */ 1522 #define MBEDTLS_SSL_KEEP_PEER_CERTIFICATE 1523 1524 /** 1525 * \def MBEDTLS_SSL_HW_RECORD_ACCEL 1526 * 1527 * Enable hooking functions in SSL module for hardware acceleration of 1528 * individual records. 1529 * 1530 * Uncomment this macro to enable hooking functions. 1531 */ 1532 //#define MBEDTLS_SSL_HW_RECORD_ACCEL 1533 1534 /** 1535 * \def MBEDTLS_SSL_CBC_RECORD_SPLITTING 1536 * 1537 * Enable 1/n-1 record splitting for CBC mode in SSLv3 and TLS 1.0. 1538 * 1539 * This is a countermeasure to the BEAST attack, which also minimizes the risk 1540 * of interoperability issues compared to sending 0-length records. 1541 * 1542 * Comment this macro to disable 1/n-1 record splitting. 1543 */ 1544 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING 1545 1546 /** 1547 * \def MBEDTLS_SSL_RENEGOTIATION 1548 * 1549 * Enable support for TLS renegotiation. 1550 * 1551 * The two main uses of renegotiation are (1) refresh keys on long-lived 1552 * connections and (2) client authentication after the initial handshake. 1553 * If you don't need renegotiation, it's probably better to disable it, since 1554 * it has been associated with security issues in the past and is easy to 1555 * misuse/misunderstand. 1556 * 1557 * Comment this to disable support for renegotiation. 1558 * 1559 * \note Even if this option is disabled, both client and server are aware 1560 * of the Renegotiation Indication Extension (RFC 5746) used to 1561 * prevent the SSL renegotiation attack (see RFC 5746 Sect. 1). 1562 * (See \c mbedtls_ssl_conf_legacy_renegotiation for the 1563 * configuration of this extension). 1564 * 1565 */ 1566 #define MBEDTLS_SSL_RENEGOTIATION 1567 1568 /** 1569 * \def MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO 1570 * 1571 * Enable support for receiving and parsing SSLv2 Client Hello messages for the 1572 * SSL Server module (MBEDTLS_SSL_SRV_C). 1573 * 1574 * Uncomment this macro to enable support for SSLv2 Client Hello messages. 1575 */ 1576 //#define MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO 1577 1578 /** 1579 * \def MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE 1580 * 1581 * Pick the ciphersuite according to the client's preferences rather than ours 1582 * in the SSL Server module (MBEDTLS_SSL_SRV_C). 1583 * 1584 * Uncomment this macro to respect client's ciphersuite order 1585 */ 1586 //#define MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE 1587 1588 /** 1589 * \def MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1590 * 1591 * Enable support for RFC 6066 max_fragment_length extension in SSL. 1592 * 1593 * Comment this macro to disable support for the max_fragment_length extension 1594 */ 1595 #define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1596 1597 /** 1598 * \def MBEDTLS_SSL_PROTO_SSL3 1599 * 1600 * Enable support for SSL 3.0. 1601 * 1602 * Requires: MBEDTLS_MD5_C 1603 * MBEDTLS_SHA1_C 1604 * 1605 * Comment this macro to disable support for SSL 3.0 1606 */ 1607 //#define MBEDTLS_SSL_PROTO_SSL3 1608 1609 /** 1610 * \def MBEDTLS_SSL_PROTO_TLS1 1611 * 1612 * Enable support for TLS 1.0. 1613 * 1614 * Requires: MBEDTLS_MD5_C 1615 * MBEDTLS_SHA1_C 1616 * 1617 * Comment this macro to disable support for TLS 1.0 1618 */ 1619 #define MBEDTLS_SSL_PROTO_TLS1 1620 1621 /** 1622 * \def MBEDTLS_SSL_PROTO_TLS1_1 1623 * 1624 * Enable support for TLS 1.1 (and DTLS 1.0 if DTLS is enabled). 1625 * 1626 * Requires: MBEDTLS_MD5_C 1627 * MBEDTLS_SHA1_C 1628 * 1629 * Comment this macro to disable support for TLS 1.1 / DTLS 1.0 1630 */ 1631 #define MBEDTLS_SSL_PROTO_TLS1_1 1632 1633 /** 1634 * \def MBEDTLS_SSL_PROTO_TLS1_2 1635 * 1636 * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled). 1637 * 1638 * Requires: MBEDTLS_SHA1_C or MBEDTLS_SHA256_C or MBEDTLS_SHA512_C 1639 * (Depends on ciphersuites) 1640 * 1641 * Comment this macro to disable support for TLS 1.2 / DTLS 1.2 1642 */ 1643 #define MBEDTLS_SSL_PROTO_TLS1_2 1644 1645 /** 1646 * \def MBEDTLS_SSL_PROTO_DTLS 1647 * 1648 * Enable support for DTLS (all available versions). 1649 * 1650 * Enable this and MBEDTLS_SSL_PROTO_TLS1_1 to enable DTLS 1.0, 1651 * and/or this and MBEDTLS_SSL_PROTO_TLS1_2 to enable DTLS 1.2. 1652 * 1653 * Requires: MBEDTLS_SSL_PROTO_TLS1_1 1654 * or MBEDTLS_SSL_PROTO_TLS1_2 1655 * 1656 * Comment this macro to disable support for DTLS 1657 */ 1658 #define MBEDTLS_SSL_PROTO_DTLS 1659 1660 /** 1661 * \def MBEDTLS_SSL_ALPN 1662 * 1663 * Enable support for RFC 7301 Application Layer Protocol Negotiation. 1664 * 1665 * Comment this macro to disable support for ALPN. 1666 */ 1667 #define MBEDTLS_SSL_ALPN 1668 1669 /** 1670 * \def MBEDTLS_SSL_DTLS_ANTI_REPLAY 1671 * 1672 * Enable support for the anti-replay mechanism in DTLS. 1673 * 1674 * Requires: MBEDTLS_SSL_TLS_C 1675 * MBEDTLS_SSL_PROTO_DTLS 1676 * 1677 * \warning Disabling this is often a security risk! 1678 * See mbedtls_ssl_conf_dtls_anti_replay() for details. 1679 * 1680 * Comment this to disable anti-replay in DTLS. 1681 */ 1682 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY 1683 1684 /** 1685 * \def MBEDTLS_SSL_DTLS_HELLO_VERIFY 1686 * 1687 * Enable support for HelloVerifyRequest on DTLS servers. 1688 * 1689 * This feature is highly recommended to prevent DTLS servers being used as 1690 * amplifiers in DoS attacks against other hosts. It should always be enabled 1691 * unless you know for sure amplification cannot be a problem in the 1692 * environment in which your server operates. 1693 * 1694 * \warning Disabling this can ba a security risk! (see above) 1695 * 1696 * Requires: MBEDTLS_SSL_PROTO_DTLS 1697 * 1698 * Comment this to disable support for HelloVerifyRequest. 1699 */ 1700 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY 1701 1702 /** 1703 * \def MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1704 * 1705 * Enable server-side support for clients that reconnect from the same port. 1706 * 1707 * Some clients unexpectedly close the connection and try to reconnect using the 1708 * same source port. This needs special support from the server to handle the 1709 * new connection securely, as described in section 4.2.8 of RFC 6347. This 1710 * flag enables that support. 1711 * 1712 * Requires: MBEDTLS_SSL_DTLS_HELLO_VERIFY 1713 * 1714 * Comment this to disable support for clients reusing the source port. 1715 */ 1716 #define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1717 1718 /** 1719 * \def MBEDTLS_SSL_DTLS_BADMAC_LIMIT 1720 * 1721 * Enable support for a limit of records with bad MAC. 1722 * 1723 * See mbedtls_ssl_conf_dtls_badmac_limit(). 1724 * 1725 * Requires: MBEDTLS_SSL_PROTO_DTLS 1726 */ 1727 #define MBEDTLS_SSL_DTLS_BADMAC_LIMIT 1728 1729 /** 1730 * \def MBEDTLS_SSL_SESSION_TICKETS 1731 * 1732 * Enable support for RFC 5077 session tickets in SSL. 1733 * Client-side, provides full support for session tickets (maintenance of a 1734 * session store remains the responsibility of the application, though). 1735 * Server-side, you also need to provide callbacks for writing and parsing 1736 * tickets, including authenticated encryption and key management. Example 1737 * callbacks are provided by MBEDTLS_SSL_TICKET_C. 1738 * 1739 * Comment this macro to disable support for SSL session tickets 1740 */ 1741 #define MBEDTLS_SSL_SESSION_TICKETS 1742 1743 /** 1744 * \def MBEDTLS_SSL_EXPORT_KEYS 1745 * 1746 * Enable support for exporting key block and master secret. 1747 * This is required for certain users of TLS, e.g. EAP-TLS. 1748 * 1749 * Comment this macro to disable support for key export 1750 */ 1751 #define MBEDTLS_SSL_EXPORT_KEYS 1752 1753 /** 1754 * \def MBEDTLS_SSL_SERVER_NAME_INDICATION 1755 * 1756 * Enable support for RFC 6066 server name indication (SNI) in SSL. 1757 * 1758 * Requires: MBEDTLS_X509_CRT_PARSE_C 1759 * 1760 * Comment this macro to disable support for server name indication in SSL 1761 */ 1762 #define MBEDTLS_SSL_SERVER_NAME_INDICATION 1763 1764 /** 1765 * \def MBEDTLS_SSL_TRUNCATED_HMAC 1766 * 1767 * Enable support for RFC 6066 truncated HMAC in SSL. 1768 * 1769 * Comment this macro to disable support for truncated HMAC in SSL 1770 */ 1771 #define MBEDTLS_SSL_TRUNCATED_HMAC 1772 1773 /** 1774 * \def MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT 1775 * 1776 * Fallback to old (pre-2.7), non-conforming implementation of the truncated 1777 * HMAC extension which also truncates the HMAC key. Note that this option is 1778 * only meant for a transitory upgrade period and is likely to be removed in 1779 * a future version of the library. 1780 * 1781 * \warning The old implementation is non-compliant and has a security weakness 1782 * (2^80 brute force attack on the HMAC key used for a single, 1783 * uninterrupted connection). This should only be enabled temporarily 1784 * when (1) the use of truncated HMAC is essential in order to save 1785 * bandwidth, and (2) the peer is an Mbed TLS stack that doesn't use 1786 * the fixed implementation yet (pre-2.7). 1787 * 1788 * \deprecated This option is deprecated and will likely be removed in a 1789 * future version of Mbed TLS. 1790 * 1791 * Uncomment to fallback to old, non-compliant truncated HMAC implementation. 1792 * 1793 * Requires: MBEDTLS_SSL_TRUNCATED_HMAC 1794 */ 1795 //#define MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT 1796 1797 /** 1798 * \def MBEDTLS_THREADING_ALT 1799 * 1800 * Provide your own alternate threading implementation. 1801 * 1802 * Requires: MBEDTLS_THREADING_C 1803 * 1804 * Uncomment this to allow your own alternate threading implementation. 1805 */ 1806 //#define MBEDTLS_THREADING_ALT 1807 1808 /** 1809 * \def MBEDTLS_THREADING_PTHREAD 1810 * 1811 * Enable the pthread wrapper layer for the threading layer. 1812 * 1813 * Requires: MBEDTLS_THREADING_C 1814 * 1815 * Uncomment this to enable pthread mutexes. 1816 */ 1817 //#define MBEDTLS_THREADING_PTHREAD 1818 1819 /** 1820 * \def MBEDTLS_USE_PSA_CRYPTO 1821 * 1822 * Make the X.509 and TLS library use PSA for cryptographic operations, and 1823 * enable new APIs for using keys handled by PSA Crypto. 1824 * 1825 * \note Development of this option is currently in progress, and parts 1826 * of the X.509 and TLS modules are not ported to PSA yet. However, these parts 1827 * will still continue to work as usual, so enabling this option should not 1828 * break backwards compatibility. 1829 * 1830 * \warning The PSA Crypto API is in beta stage. While you're welcome to 1831 * experiment using it, incompatible API changes are still possible, and some 1832 * parts may not have reached the same quality as the rest of Mbed TLS yet. 1833 * 1834 * \warning This option enables new Mbed TLS APIs that are dependent on the 1835 * PSA Crypto API, so can't come with the same stability guarantees as the 1836 * rest of the Mbed TLS APIs. You're welcome to experiment with them, but for 1837 * now, access to these APIs is opt-in (via enabling the present option), in 1838 * order to clearly differentiate them from the stable Mbed TLS APIs. 1839 * 1840 * Requires: MBEDTLS_PSA_CRYPTO_C. 1841 * 1842 * Uncomment this to enable internal use of PSA Crypto and new associated APIs. 1843 */ 1844 //#define MBEDTLS_USE_PSA_CRYPTO 1845 1846 /** 1847 * \def MBEDTLS_VERSION_FEATURES 1848 * 1849 * Allow run-time checking of compile-time enabled features. Thus allowing users 1850 * to check at run-time if the library is for instance compiled with threading 1851 * support via mbedtls_version_check_feature(). 1852 * 1853 * Requires: MBEDTLS_VERSION_C 1854 * 1855 * Comment this to disable run-time checking and save ROM space 1856 */ 1857 // #define MBEDTLS_VERSION_FEATURES 1858 1859 /** 1860 * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 1861 * 1862 * If set, the X509 parser will not break-off when parsing an X509 certificate 1863 * and encountering an extension in a v1 or v2 certificate. 1864 * 1865 * Uncomment to prevent an error. 1866 */ 1867 //#define MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 1868 1869 /** 1870 * \def MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION 1871 * 1872 * If set, the X509 parser will not break-off when parsing an X509 certificate 1873 * and encountering an unknown critical extension. 1874 * 1875 * \warning Depending on your PKI use, enabling this can be a security risk! 1876 * 1877 * Uncomment to prevent an error. 1878 */ 1879 //#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION 1880 1881 /** 1882 * \def MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK 1883 * 1884 * If set, this enables the X.509 API `mbedtls_x509_crt_verify_with_ca_cb()` 1885 * and the SSL API `mbedtls_ssl_conf_ca_cb()` which allow users to configure 1886 * the set of trusted certificates through a callback instead of a linked 1887 * list. 1888 * 1889 * This is useful for example in environments where a large number of trusted 1890 * certificates is present and storing them in a linked list isn't efficient 1891 * enough, or when the set of trusted certificates changes frequently. 1892 * 1893 * See the documentation of `mbedtls_x509_crt_verify_with_ca_cb()` and 1894 * `mbedtls_ssl_conf_ca_cb()` for more information. 1895 * 1896 * Uncomment to enable trusted certificate callbacks. 1897 */ 1898 //#define MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK 1899 1900 /** 1901 * \def MBEDTLS_X509_CHECK_KEY_USAGE 1902 * 1903 * Enable verification of the keyUsage extension (CA and leaf certificates). 1904 * 1905 * Disabling this avoids problems with mis-issued and/or misused 1906 * (intermediate) CA and leaf certificates. 1907 * 1908 * \warning Depending on your PKI use, disabling this can be a security risk! 1909 * 1910 * Comment to skip keyUsage checking for both CA and leaf certificates. 1911 */ 1912 #define MBEDTLS_X509_CHECK_KEY_USAGE 1913 1914 /** 1915 * \def MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE 1916 * 1917 * Enable verification of the extendedKeyUsage extension (leaf certificates). 1918 * 1919 * Disabling this avoids problems with mis-issued and/or misused certificates. 1920 * 1921 * \warning Depending on your PKI use, disabling this can be a security risk! 1922 * 1923 * Comment to skip extendedKeyUsage checking for certificates. 1924 */ 1925 #define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE 1926 1927 /** 1928 * \def MBEDTLS_X509_RSASSA_PSS_SUPPORT 1929 * 1930 * Enable parsing and verification of X.509 certificates, CRLs and CSRS 1931 * signed with RSASSA-PSS (aka PKCS#1 v2.1). 1932 * 1933 * Comment this macro to disallow using RSASSA-PSS in certificates. 1934 */ 1935 #define MBEDTLS_X509_RSASSA_PSS_SUPPORT 1936 1937 /** 1938 * \def MBEDTLS_ZLIB_SUPPORT 1939 * 1940 * If set, the SSL/TLS module uses ZLIB to support compression and 1941 * decompression of packet data. 1942 * 1943 * \warning TLS-level compression MAY REDUCE SECURITY! See for example the 1944 * CRIME attack. Before enabling this option, you should examine with care if 1945 * CRIME or similar exploits may be applicable to your use case. 1946 * 1947 * \note Currently compression can't be used with DTLS. 1948 * 1949 * \deprecated This feature is deprecated and will be removed 1950 * in the next major revision of the library. 1951 * 1952 * Used in: library/ssl_tls.c 1953 * library/ssl_cli.c 1954 * library/ssl_srv.c 1955 * 1956 * This feature requires zlib library and headers to be present. 1957 * 1958 * Uncomment to enable use of ZLIB 1959 */ 1960 //#define MBEDTLS_ZLIB_SUPPORT 1961 /* \} name SECTION: mbed TLS feature support */ 1962 1963 /** 1964 * \name SECTION: mbed TLS modules 1965 * 1966 * This section enables or disables entire modules in mbed TLS 1967 * \{ 1968 */ 1969 1970 /** 1971 * \def MBEDTLS_AESNI_C 1972 * 1973 * Enable AES-NI support on x86-64. 1974 * 1975 * Module: library/aesni.c 1976 * Caller: library/aes.c 1977 * 1978 * Requires: MBEDTLS_HAVE_ASM 1979 * 1980 * This modules adds support for the AES-NI instructions on x86-64 1981 */ 1982 #define MBEDTLS_AESNI_C 1983 1984 /** 1985 * \def MBEDTLS_AES_C 1986 * 1987 * Enable the AES block cipher. 1988 * 1989 * Module: library/aes.c 1990 * Caller: library/cipher.c 1991 * library/pem.c 1992 * library/ctr_drbg.c 1993 * 1994 * This module enables the following ciphersuites (if other requisites are 1995 * enabled as well): 1996 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 1997 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 1998 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 1999 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 2000 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 2001 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 2002 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 2003 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 2004 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 2005 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 2006 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 2007 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 2008 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 2009 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 2010 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 2011 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 2012 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 2013 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 2014 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 2015 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 2016 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 2017 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 2018 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 2019 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 2020 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 2021 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 2022 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 2023 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 2024 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 2025 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 2026 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 2027 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 2028 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 2029 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 2030 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 2031 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 2032 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 2033 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 2034 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 2035 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 2036 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 2037 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 2038 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 2039 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 2040 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 2041 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 2042 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 2043 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 2044 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 2045 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 2046 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 2047 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 2048 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 2049 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 2050 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 2051 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 2052 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 2053 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 2054 * 2055 * PEM_PARSE uses AES for decrypting encrypted keys. 2056 */ 2057 #define MBEDTLS_AES_C 2058 2059 /** 2060 * \def MBEDTLS_ARC4_C 2061 * 2062 * Enable the ARCFOUR stream cipher. 2063 * 2064 * Module: library/arc4.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_RC4_128_SHA 2070 * MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA 2071 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA 2072 * MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA 2073 * MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA 2074 * MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA 2075 * MBEDTLS_TLS_RSA_WITH_RC4_128_SHA 2076 * MBEDTLS_TLS_RSA_WITH_RC4_128_MD5 2077 * MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA 2078 * MBEDTLS_TLS_PSK_WITH_RC4_128_SHA 2079 * 2080 * \warning ARC4 is considered a weak cipher and its use constitutes a 2081 * security risk. If possible, we recommend avoidng dependencies on 2082 * it, and considering stronger ciphers instead. 2083 * 2084 */ 2085 #define MBEDTLS_ARC4_C 2086 2087 /** 2088 * \def MBEDTLS_ASN1_PARSE_C 2089 * 2090 * Enable the generic ASN1 parser. 2091 * 2092 * Module: library/asn1.c 2093 * Caller: library/x509.c 2094 * library/dhm.c 2095 * library/pkcs12.c 2096 * library/pkcs5.c 2097 * library/pkparse.c 2098 */ 2099 #define MBEDTLS_ASN1_PARSE_C 2100 2101 /** 2102 * \def MBEDTLS_ASN1_WRITE_C 2103 * 2104 * Enable the generic ASN1 writer. 2105 * 2106 * Module: library/asn1write.c 2107 * Caller: library/ecdsa.c 2108 * library/pkwrite.c 2109 * library/x509_create.c 2110 * library/x509write_crt.c 2111 * library/x509write_csr.c 2112 */ 2113 #define MBEDTLS_ASN1_WRITE_C 2114 2115 /** 2116 * \def MBEDTLS_BASE64_C 2117 * 2118 * Enable the Base64 module. 2119 * 2120 * Module: library/base64.c 2121 * Caller: library/pem.c 2122 * 2123 * This module is required for PEM support (required by X.509). 2124 */ 2125 #define MBEDTLS_BASE64_C 2126 2127 /** 2128 * \def MBEDTLS_BIGNUM_C 2129 * 2130 * Enable the multi-precision integer library. 2131 * 2132 * Module: library/bignum.c 2133 * Caller: library/dhm.c 2134 * library/ecp.c 2135 * library/ecdsa.c 2136 * library/rsa.c 2137 * library/rsa_internal.c 2138 * library/ssl_tls.c 2139 * 2140 * This module is required for RSA, DHM and ECC (ECDH, ECDSA) support. 2141 */ 2142 #define MBEDTLS_BIGNUM_C 2143 2144 /** 2145 * \def MBEDTLS_BLOWFISH_C 2146 * 2147 * Enable the Blowfish block cipher. 2148 * 2149 * Module: library/blowfish.c 2150 */ 2151 #define MBEDTLS_BLOWFISH_C 2152 2153 /** 2154 * \def MBEDTLS_CAMELLIA_C 2155 * 2156 * Enable the Camellia block cipher. 2157 * 2158 * Module: library/camellia.c 2159 * Caller: library/cipher.c 2160 * 2161 * This module enables the following ciphersuites (if other requisites are 2162 * enabled as well): 2163 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 2164 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 2165 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 2166 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 2167 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 2168 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 2169 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 2170 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 2171 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 2172 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 2173 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 2174 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 2175 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 2176 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 2177 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 2178 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 2179 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 2180 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 2181 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 2182 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 2183 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 2184 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 2185 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 2186 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 2187 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 2188 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 2189 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 2190 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 2191 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 2192 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 2193 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 2194 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 2195 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 2196 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 2197 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 2198 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 2199 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 2200 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 2201 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 2202 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 2203 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 2204 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 2205 */ 2206 #define MBEDTLS_CAMELLIA_C 2207 2208 /** 2209 * \def MBEDTLS_ARIA_C 2210 * 2211 * Enable the ARIA block cipher. 2212 * 2213 * Module: library/aria.c 2214 * Caller: library/cipher.c 2215 * 2216 * This module enables the following ciphersuites (if other requisites are 2217 * enabled as well): 2218 * 2219 * MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256 2220 * MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384 2221 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 2222 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 2223 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 2224 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 2225 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 2226 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 2227 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 2228 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 2229 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 2230 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 2231 * MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256 2232 * MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384 2233 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 2234 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384 2235 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 2236 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 2237 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 2238 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 2239 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 2240 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 2241 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 2242 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 2243 * MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256 2244 * MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384 2245 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 2246 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 2247 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 2248 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 2249 * MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256 2250 * MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384 2251 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 2252 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 2253 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 2254 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 2255 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 2256 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 2257 */ 2258 //#define MBEDTLS_ARIA_C 2259 2260 /** 2261 * \def MBEDTLS_CCM_C 2262 * 2263 * Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher. 2264 * 2265 * Module: library/ccm.c 2266 * 2267 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C 2268 * 2269 * This module enables the AES-CCM ciphersuites, if other requisites are 2270 * enabled as well. 2271 */ 2272 #define MBEDTLS_CCM_C 2273 2274 /** 2275 * \def MBEDTLS_CERTS_C 2276 * 2277 * Enable the test certificates. 2278 * 2279 * Module: library/certs.c 2280 * Caller: 2281 * 2282 * This module is used for testing (ssl_client/server). 2283 */ 2284 #define MBEDTLS_CERTS_C 2285 2286 /** 2287 * \def MBEDTLS_CHACHA20_C 2288 * 2289 * Enable the ChaCha20 stream cipher. 2290 * 2291 * Module: library/chacha20.c 2292 */ 2293 #define MBEDTLS_CHACHA20_C 2294 2295 /** 2296 * \def MBEDTLS_CHACHAPOLY_C 2297 * 2298 * Enable the ChaCha20-Poly1305 AEAD algorithm. 2299 * 2300 * Module: library/chachapoly.c 2301 * 2302 * This module requires: MBEDTLS_CHACHA20_C, MBEDTLS_POLY1305_C 2303 */ 2304 #define MBEDTLS_CHACHAPOLY_C 2305 2306 /** 2307 * \def MBEDTLS_CIPHER_C 2308 * 2309 * Enable the generic cipher layer. 2310 * 2311 * Module: library/cipher.c 2312 * Caller: library/ssl_tls.c 2313 * 2314 * Uncomment to enable generic cipher wrappers. 2315 */ 2316 #define MBEDTLS_CIPHER_C 2317 2318 /** 2319 * \def MBEDTLS_CMAC_C 2320 * 2321 * Enable the CMAC (Cipher-based Message Authentication Code) mode for block 2322 * ciphers. 2323 * 2324 * Module: library/cmac.c 2325 * 2326 * Requires: MBEDTLS_AES_C or MBEDTLS_DES_C 2327 * 2328 */ 2329 //#define MBEDTLS_CMAC_C 2330 2331 /** 2332 * \def MBEDTLS_CTR_DRBG_C 2333 * 2334 * Enable the CTR_DRBG AES-based random generator. 2335 * The CTR_DRBG generator uses AES-256 by default. 2336 * To use AES-128 instead, enable MBEDTLS_CTR_DRBG_USE_128_BIT_KEY below. 2337 * 2338 * Module: library/ctr_drbg.c 2339 * Caller: 2340 * 2341 * Requires: MBEDTLS_AES_C 2342 * 2343 * This module provides the CTR_DRBG AES random number generator. 2344 */ 2345 #define MBEDTLS_CTR_DRBG_C 2346 2347 /** 2348 * \def MBEDTLS_DEBUG_C 2349 * 2350 * Enable the debug functions. 2351 * 2352 * Module: library/debug.c 2353 * Caller: library/ssl_cli.c 2354 * library/ssl_srv.c 2355 * library/ssl_tls.c 2356 * 2357 * This module provides debugging functions. 2358 */ 2359 #define MBEDTLS_DEBUG_C 2360 2361 /** 2362 * \def MBEDTLS_DES_C 2363 * 2364 * Enable the DES block cipher. 2365 * 2366 * Module: library/des.c 2367 * Caller: library/pem.c 2368 * library/cipher.c 2369 * 2370 * This module enables the following ciphersuites (if other requisites are 2371 * enabled as well): 2372 * MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA 2373 * MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA 2374 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA 2375 * MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA 2376 * MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA 2377 * MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA 2378 * MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA 2379 * MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA 2380 * MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA 2381 * MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA 2382 * 2383 * PEM_PARSE uses DES/3DES for decrypting encrypted keys. 2384 * 2385 * \warning DES is considered a weak cipher and its use constitutes a 2386 * security risk. We recommend considering stronger ciphers instead. 2387 */ 2388 #define MBEDTLS_DES_C 2389 2390 /** 2391 * \def MBEDTLS_DHM_C 2392 * 2393 * Enable the Diffie-Hellman-Merkle module. 2394 * 2395 * Module: library/dhm.c 2396 * Caller: library/ssl_cli.c 2397 * library/ssl_srv.c 2398 * 2399 * This module is used by the following key exchanges: 2400 * DHE-RSA, DHE-PSK 2401 * 2402 * \warning Using DHE constitutes a security risk as it 2403 * is not possible to validate custom DH parameters. 2404 * If possible, it is recommended users should consider 2405 * preferring other methods of key exchange. 2406 * See dhm.h for more details. 2407 * 2408 */ 2409 #define MBEDTLS_DHM_C 2410 2411 /** 2412 * \def MBEDTLS_ECDH_C 2413 * 2414 * Enable the elliptic curve Diffie-Hellman library. 2415 * 2416 * Module: library/ecdh.c 2417 * Caller: library/ssl_cli.c 2418 * library/ssl_srv.c 2419 * 2420 * This module is used by the following key exchanges: 2421 * ECDHE-ECDSA, ECDHE-RSA, DHE-PSK 2422 * 2423 * Requires: MBEDTLS_ECP_C 2424 */ 2425 #define MBEDTLS_ECDH_C 2426 2427 /** 2428 * \def MBEDTLS_ECDSA_C 2429 * 2430 * Enable the elliptic curve DSA library. 2431 * 2432 * Module: library/ecdsa.c 2433 * Caller: 2434 * 2435 * This module is used by the following key exchanges: 2436 * ECDHE-ECDSA 2437 * 2438 * Requires: MBEDTLS_ECP_C, MBEDTLS_ASN1_WRITE_C, MBEDTLS_ASN1_PARSE_C 2439 */ 2440 #define MBEDTLS_ECDSA_C 2441 2442 /** 2443 * \def MBEDTLS_ECJPAKE_C 2444 * 2445 * Enable the elliptic curve J-PAKE library. 2446 * 2447 * \warning This is currently experimental. EC J-PAKE support is based on the 2448 * Thread v1.0.0 specification; incompatible changes to the specification 2449 * might still happen. For this reason, this is disabled by default. 2450 * 2451 * Module: library/ecjpake.c 2452 * Caller: 2453 * 2454 * This module is used by the following key exchanges: 2455 * ECJPAKE 2456 * 2457 * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C 2458 */ 2459 //#define MBEDTLS_ECJPAKE_C 2460 2461 /** 2462 * \def MBEDTLS_ECP_C 2463 * 2464 * Enable the elliptic curve over GF(p) library. 2465 * 2466 * Module: library/ecp.c 2467 * Caller: library/ecdh.c 2468 * library/ecdsa.c 2469 * library/ecjpake.c 2470 * 2471 * Requires: MBEDTLS_BIGNUM_C and at least one MBEDTLS_ECP_DP_XXX_ENABLED 2472 */ 2473 #define MBEDTLS_ECP_C 2474 2475 /** 2476 * \def MBEDTLS_ENTROPY_C 2477 * 2478 * Enable the platform-specific entropy code. 2479 * 2480 * Module: library/entropy.c 2481 * Caller: 2482 * 2483 * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C 2484 * 2485 * This module provides a generic entropy pool 2486 */ 2487 #define MBEDTLS_ENTROPY_C 2488 2489 /** 2490 * \def MBEDTLS_ERROR_C 2491 * 2492 * Enable error code to error string conversion. 2493 * 2494 * Module: library/error.c 2495 * Caller: 2496 * 2497 * This module enables mbedtls_strerror(). 2498 */ 2499 // #define MBEDTLS_ERROR_C 2500 2501 /** 2502 * \def MBEDTLS_GCM_C 2503 * 2504 * Enable the Galois/Counter Mode (GCM) for AES. 2505 * 2506 * Module: library/gcm.c 2507 * 2508 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C 2509 * 2510 * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other 2511 * requisites are enabled as well. 2512 */ 2513 #define MBEDTLS_GCM_C 2514 2515 /** 2516 * \def MBEDTLS_HAVEGE_C 2517 * 2518 * Enable the HAVEGE random generator. 2519 * 2520 * Warning: the HAVEGE random generator is not suitable for virtualized 2521 * environments 2522 * 2523 * Warning: the HAVEGE random generator is dependent on timing and specific 2524 * processor traits. It is therefore not advised to use HAVEGE as 2525 * your applications primary random generator or primary entropy pool 2526 * input. As a secondary input to your entropy pool, it IS able add 2527 * the (limited) extra entropy it provides. 2528 * 2529 * Module: library/havege.c 2530 * Caller: 2531 * 2532 * Requires: MBEDTLS_TIMING_C 2533 * 2534 * Uncomment to enable the HAVEGE random generator. 2535 */ 2536 //#define MBEDTLS_HAVEGE_C 2537 2538 /** 2539 * \def MBEDTLS_HKDF_C 2540 * 2541 * Enable the HKDF algorithm (RFC 5869). 2542 * 2543 * Module: library/hkdf.c 2544 * Caller: 2545 * 2546 * Requires: MBEDTLS_MD_C 2547 * 2548 * This module adds support for the Hashed Message Authentication Code 2549 * (HMAC)-based key derivation function (HKDF). 2550 */ 2551 #define MBEDTLS_HKDF_C 2552 2553 /** 2554 * \def MBEDTLS_HMAC_DRBG_C 2555 * 2556 * Enable the HMAC_DRBG random generator. 2557 * 2558 * Module: library/hmac_drbg.c 2559 * Caller: 2560 * 2561 * Requires: MBEDTLS_MD_C 2562 * 2563 * Uncomment to enable the HMAC_DRBG random number geerator. 2564 */ 2565 #define MBEDTLS_HMAC_DRBG_C 2566 2567 /** 2568 * \def MBEDTLS_NIST_KW_C 2569 * 2570 * Enable the Key Wrapping mode for 128-bit block ciphers, 2571 * as defined in NIST SP 800-38F. Only KW and KWP modes 2572 * are supported. At the moment, only AES is approved by NIST. 2573 * 2574 * Module: library/nist_kw.c 2575 * 2576 * Requires: MBEDTLS_AES_C and MBEDTLS_CIPHER_C 2577 */ 2578 //#define MBEDTLS_NIST_KW_C 2579 2580 /** 2581 * \def MBEDTLS_MD_C 2582 * 2583 * Enable the generic message digest layer. 2584 * 2585 * Module: library/md.c 2586 * Caller: 2587 * 2588 * Uncomment to enable generic message digest wrappers. 2589 */ 2590 #define MBEDTLS_MD_C 2591 2592 /** 2593 * \def MBEDTLS_MD2_C 2594 * 2595 * Enable the MD2 hash algorithm. 2596 * 2597 * Module: library/md2.c 2598 * Caller: 2599 * 2600 * Uncomment to enable support for (rare) MD2-signed X.509 certs. 2601 * 2602 * \warning MD2 is considered a weak message digest and its use constitutes a 2603 * security risk. If possible, we recommend avoiding dependencies on 2604 * it, and considering stronger message digests instead. 2605 * 2606 */ 2607 //#define MBEDTLS_MD2_C 2608 2609 /** 2610 * \def MBEDTLS_MD4_C 2611 * 2612 * Enable the MD4 hash algorithm. 2613 * 2614 * Module: library/md4.c 2615 * Caller: 2616 * 2617 * Uncomment to enable support for (rare) MD4-signed X.509 certs. 2618 * 2619 * \warning MD4 is considered a weak message digest and its use constitutes a 2620 * security risk. If possible, we recommend avoiding dependencies on 2621 * it, and considering stronger message digests instead. 2622 * 2623 */ 2624 //#define MBEDTLS_MD4_C 2625 2626 /** 2627 * \def MBEDTLS_MD5_C 2628 * 2629 * Enable the MD5 hash algorithm. 2630 * 2631 * Module: library/md5.c 2632 * Caller: library/md.c 2633 * library/pem.c 2634 * library/ssl_tls.c 2635 * 2636 * This module is required for SSL/TLS up to version 1.1, and for TLS 1.2 2637 * depending on the handshake parameters. Further, it is used for checking 2638 * MD5-signed certificates, and for PBKDF1 when decrypting PEM-encoded 2639 * encrypted keys. 2640 * 2641 * \warning MD5 is considered a weak message digest and its use constitutes a 2642 * security risk. If possible, we recommend avoiding dependencies on 2643 * it, and considering stronger message digests instead. 2644 * 2645 */ 2646 #define MBEDTLS_MD5_C 2647 2648 /** 2649 * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C 2650 * 2651 * Enable the buffer allocator implementation that makes use of a (stack) 2652 * based buffer to 'allocate' dynamic memory. (replaces calloc() and free() 2653 * calls) 2654 * 2655 * Module: library/memory_buffer_alloc.c 2656 * 2657 * Requires: MBEDTLS_PLATFORM_C 2658 * MBEDTLS_PLATFORM_MEMORY (to use it within mbed TLS) 2659 * 2660 * Enable this module to enable the buffer memory allocator. 2661 */ 2662 //#define MBEDTLS_MEMORY_BUFFER_ALLOC_C 2663 2664 /** 2665 * \def MBEDTLS_NET_C 2666 * 2667 * Enable the TCP and UDP over IPv6/IPv4 networking routines. 2668 * 2669 * \note This module only works on POSIX/Unix (including Linux, BSD and OS X) 2670 * and Windows. For other platforms, you'll want to disable it, and write your 2671 * own networking callbacks to be passed to \c mbedtls_ssl_set_bio(). 2672 * 2673 * \note See also our Knowledge Base article about porting to a new 2674 * environment: 2675 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 2676 * 2677 * Module: library/net_sockets.c 2678 * 2679 * This module provides networking routines. 2680 */ 2681 // #define MBEDTLS_NET_C 2682 2683 /** 2684 * \def MBEDTLS_OID_C 2685 * 2686 * Enable the OID database. 2687 * 2688 * Module: library/oid.c 2689 * Caller: library/asn1write.c 2690 * library/pkcs5.c 2691 * library/pkparse.c 2692 * library/pkwrite.c 2693 * library/rsa.c 2694 * library/x509.c 2695 * library/x509_create.c 2696 * library/x509_crl.c 2697 * library/x509_crt.c 2698 * library/x509_csr.c 2699 * library/x509write_crt.c 2700 * library/x509write_csr.c 2701 * 2702 * This modules translates between OIDs and internal values. 2703 */ 2704 #define MBEDTLS_OID_C 2705 2706 /** 2707 * \def MBEDTLS_PADLOCK_C 2708 * 2709 * Enable VIA Padlock support on x86. 2710 * 2711 * Module: library/padlock.c 2712 * Caller: library/aes.c 2713 * 2714 * Requires: MBEDTLS_HAVE_ASM 2715 * 2716 * This modules adds support for the VIA PadLock on x86. 2717 */ 2718 #define MBEDTLS_PADLOCK_C 2719 2720 /** 2721 * \def MBEDTLS_PEM_PARSE_C 2722 * 2723 * Enable PEM decoding / parsing. 2724 * 2725 * Module: library/pem.c 2726 * Caller: library/dhm.c 2727 * library/pkparse.c 2728 * library/x509_crl.c 2729 * library/x509_crt.c 2730 * library/x509_csr.c 2731 * 2732 * Requires: MBEDTLS_BASE64_C 2733 * 2734 * This modules adds support for decoding / parsing PEM files. 2735 */ 2736 #define MBEDTLS_PEM_PARSE_C 2737 2738 /** 2739 * \def MBEDTLS_PEM_WRITE_C 2740 * 2741 * Enable PEM encoding / writing. 2742 * 2743 * Module: library/pem.c 2744 * Caller: library/pkwrite.c 2745 * library/x509write_crt.c 2746 * library/x509write_csr.c 2747 * 2748 * Requires: MBEDTLS_BASE64_C 2749 * 2750 * This modules adds support for encoding / writing PEM files. 2751 */ 2752 #define MBEDTLS_PEM_WRITE_C 2753 2754 /** 2755 * \def MBEDTLS_PK_C 2756 * 2757 * Enable the generic public (asymetric) key layer. 2758 * 2759 * Module: library/pk.c 2760 * Caller: library/ssl_tls.c 2761 * library/ssl_cli.c 2762 * library/ssl_srv.c 2763 * 2764 * Requires: MBEDTLS_RSA_C or MBEDTLS_ECP_C 2765 * 2766 * Uncomment to enable generic public key wrappers. 2767 */ 2768 #define MBEDTLS_PK_C 2769 2770 /** 2771 * \def MBEDTLS_PK_PARSE_C 2772 * 2773 * Enable the generic public (asymetric) key parser. 2774 * 2775 * Module: library/pkparse.c 2776 * Caller: library/x509_crt.c 2777 * library/x509_csr.c 2778 * 2779 * Requires: MBEDTLS_PK_C 2780 * 2781 * Uncomment to enable generic public key parse functions. 2782 */ 2783 #define MBEDTLS_PK_PARSE_C 2784 2785 /** 2786 * \def MBEDTLS_PK_WRITE_C 2787 * 2788 * Enable the generic public (asymetric) key writer. 2789 * 2790 * Module: library/pkwrite.c 2791 * Caller: library/x509write.c 2792 * 2793 * Requires: MBEDTLS_PK_C 2794 * 2795 * Uncomment to enable generic public key write functions. 2796 */ 2797 #define MBEDTLS_PK_WRITE_C 2798 2799 /** 2800 * \def MBEDTLS_PKCS5_C 2801 * 2802 * Enable PKCS#5 functions. 2803 * 2804 * Module: library/pkcs5.c 2805 * 2806 * Requires: MBEDTLS_MD_C 2807 * 2808 * This module adds support for the PKCS#5 functions. 2809 */ 2810 #define MBEDTLS_PKCS5_C 2811 2812 /** 2813 * \def MBEDTLS_PKCS11_C 2814 * 2815 * Enable wrapper for PKCS#11 smartcard support. 2816 * 2817 * Module: library/pkcs11.c 2818 * Caller: library/pk.c 2819 * 2820 * Requires: MBEDTLS_PK_C 2821 * 2822 * This module enables SSL/TLS PKCS #11 smartcard support. 2823 * Requires the presence of the PKCS#11 helper library (libpkcs11-helper) 2824 */ 2825 //#define MBEDTLS_PKCS11_C 2826 2827 /** 2828 * \def MBEDTLS_PKCS12_C 2829 * 2830 * Enable PKCS#12 PBE functions. 2831 * Adds algorithms for parsing PKCS#8 encrypted private keys 2832 * 2833 * Module: library/pkcs12.c 2834 * Caller: library/pkparse.c 2835 * 2836 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_CIPHER_C, MBEDTLS_MD_C 2837 * Can use: MBEDTLS_ARC4_C 2838 * 2839 * This module enables PKCS#12 functions. 2840 */ 2841 #define MBEDTLS_PKCS12_C 2842 2843 /** 2844 * \def MBEDTLS_PLATFORM_C 2845 * 2846 * Enable the platform abstraction layer that allows you to re-assign 2847 * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit(). 2848 * 2849 * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT 2850 * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned 2851 * above to be specified at runtime or compile time respectively. 2852 * 2853 * \note This abstraction layer must be enabled on Windows (including MSYS2) 2854 * as other module rely on it for a fixed snprintf implementation. 2855 * 2856 * Module: library/platform.c 2857 * Caller: Most other .c files 2858 * 2859 * This module enables abstraction of common (libc) functions. 2860 */ 2861 #define MBEDTLS_PLATFORM_C 2862 2863 /** 2864 * \def MBEDTLS_POLY1305_C 2865 * 2866 * Enable the Poly1305 MAC algorithm. 2867 * 2868 * Module: library/poly1305.c 2869 * Caller: library/chachapoly.c 2870 */ 2871 #define MBEDTLS_POLY1305_C 2872 2873 /** 2874 * \def MBEDTLS_PSA_CRYPTO_C 2875 * 2876 * Enable the Platform Security Architecture cryptography API. 2877 * 2878 * \warning The PSA Crypto API is still beta status. While you're welcome to 2879 * experiment using it, incompatible API changes are still possible, and some 2880 * parts may not have reached the same quality as the rest of Mbed TLS yet. 2881 * 2882 * Module: crypto/library/psa_crypto.c 2883 * 2884 * Requires: MBEDTLS_CTR_DRBG_C, MBEDTLS_ENTROPY_C 2885 * 2886 */ 2887 #define MBEDTLS_PSA_CRYPTO_C 2888 2889 /** 2890 * \def MBEDTLS_PSA_CRYPTO_STORAGE_C 2891 * 2892 * Enable the Platform Security Architecture persistent key storage. 2893 * 2894 * Module: crypto/library/psa_crypto_storage.c 2895 * 2896 * Requires: MBEDTLS_PSA_CRYPTO_C, 2897 * either MBEDTLS_PSA_ITS_FILE_C or a native implementation of 2898 * the PSA ITS interface 2899 */ 2900 //#define MBEDTLS_PSA_CRYPTO_STORAGE_C 2901 2902 /** 2903 * \def MBEDTLS_PSA_ITS_FILE_C 2904 * 2905 * Enable the emulation of the Platform Security Architecture 2906 * Internal Trusted Storage (PSA ITS) over files. 2907 * 2908 * Module: crypto/library/psa_its_file.c 2909 * 2910 * Requires: MBEDTLS_FS_IO 2911 * 2912 */ 2913 //#define MBEDTLS_PSA_ITS_FILE_C 2914 2915 /** 2916 * \def MBEDTLS_RIPEMD160_C 2917 * 2918 * Enable the RIPEMD-160 hash algorithm. 2919 * 2920 * Module: library/ripemd160.c 2921 * Caller: library/md.c 2922 * 2923 */ 2924 #define MBEDTLS_RIPEMD160_C 2925 2926 /** 2927 * \def MBEDTLS_RSA_C 2928 * 2929 * Enable the RSA public-key cryptosystem. 2930 * 2931 * Module: library/rsa.c 2932 * library/rsa_internal.c 2933 * Caller: library/ssl_cli.c 2934 * library/ssl_srv.c 2935 * library/ssl_tls.c 2936 * library/x509.c 2937 * 2938 * This module is used by the following key exchanges: 2939 * RSA, DHE-RSA, ECDHE-RSA, RSA-PSK 2940 * 2941 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C 2942 */ 2943 #define MBEDTLS_RSA_C 2944 2945 /** 2946 * \def MBEDTLS_SHA1_C 2947 * 2948 * Enable the SHA1 cryptographic hash algorithm. 2949 * 2950 * Module: library/sha1.c 2951 * Caller: library/md.c 2952 * library/ssl_cli.c 2953 * library/ssl_srv.c 2954 * library/ssl_tls.c 2955 * library/x509write_crt.c 2956 * 2957 * This module is required for SSL/TLS up to version 1.1, for TLS 1.2 2958 * depending on the handshake parameters, and for SHA1-signed certificates. 2959 * 2960 * \warning SHA-1 is considered a weak message digest and its use constitutes 2961 * a security risk. If possible, we recommend avoiding dependencies 2962 * on it, and considering stronger message digests instead. 2963 * 2964 */ 2965 #define MBEDTLS_SHA1_C 2966 2967 /** 2968 * \def MBEDTLS_SHA256_C 2969 * 2970 * Enable the SHA-224 and SHA-256 cryptographic hash algorithms. 2971 * 2972 * Module: library/sha256.c 2973 * Caller: library/entropy.c 2974 * library/md.c 2975 * library/ssl_cli.c 2976 * library/ssl_srv.c 2977 * library/ssl_tls.c 2978 * 2979 * This module adds support for SHA-224 and SHA-256. 2980 * This module is required for the SSL/TLS 1.2 PRF function. 2981 */ 2982 #define MBEDTLS_SHA256_C 2983 2984 /** 2985 * \def MBEDTLS_SHA512_C 2986 * 2987 * Enable the SHA-384 and SHA-512 cryptographic hash algorithms. 2988 * 2989 * Module: library/sha512.c 2990 * Caller: library/entropy.c 2991 * library/md.c 2992 * library/ssl_cli.c 2993 * library/ssl_srv.c 2994 * 2995 * This module adds support for SHA-384 and SHA-512. 2996 */ 2997 #define MBEDTLS_SHA512_C 2998 2999 /** 3000 * \def MBEDTLS_SSL_CACHE_C 3001 * 3002 * Enable simple SSL cache implementation. 3003 * 3004 * Module: library/ssl_cache.c 3005 * Caller: 3006 * 3007 * Requires: MBEDTLS_SSL_CACHE_C 3008 */ 3009 #define MBEDTLS_SSL_CACHE_C 3010 3011 /** 3012 * \def MBEDTLS_SSL_COOKIE_C 3013 * 3014 * Enable basic implementation of DTLS cookies for hello verification. 3015 * 3016 * Module: library/ssl_cookie.c 3017 * Caller: 3018 */ 3019 #define MBEDTLS_SSL_COOKIE_C 3020 3021 /** 3022 * \def MBEDTLS_SSL_TICKET_C 3023 * 3024 * Enable an implementation of TLS server-side callbacks for session tickets. 3025 * 3026 * Module: library/ssl_ticket.c 3027 * Caller: 3028 * 3029 * Requires: MBEDTLS_CIPHER_C 3030 */ 3031 #define MBEDTLS_SSL_TICKET_C 3032 3033 /** 3034 * \def MBEDTLS_SSL_CLI_C 3035 * 3036 * Enable the SSL/TLS client code. 3037 * 3038 * Module: library/ssl_cli.c 3039 * Caller: 3040 * 3041 * Requires: MBEDTLS_SSL_TLS_C 3042 * 3043 * This module is required for SSL/TLS client support. 3044 */ 3045 #define MBEDTLS_SSL_CLI_C 3046 3047 /** 3048 * \def MBEDTLS_SSL_SRV_C 3049 * 3050 * Enable the SSL/TLS server code. 3051 * 3052 * Module: library/ssl_srv.c 3053 * Caller: 3054 * 3055 * Requires: MBEDTLS_SSL_TLS_C 3056 * 3057 * This module is required for SSL/TLS server support. 3058 */ 3059 #define MBEDTLS_SSL_SRV_C 3060 3061 /** 3062 * \def MBEDTLS_SSL_TLS_C 3063 * 3064 * Enable the generic SSL/TLS code. 3065 * 3066 * Module: library/ssl_tls.c 3067 * Caller: library/ssl_cli.c 3068 * library/ssl_srv.c 3069 * 3070 * Requires: MBEDTLS_CIPHER_C, MBEDTLS_MD_C 3071 * and at least one of the MBEDTLS_SSL_PROTO_XXX defines 3072 * 3073 * This module is required for SSL/TLS. 3074 */ 3075 #define MBEDTLS_SSL_TLS_C 3076 3077 /** 3078 * \def MBEDTLS_THREADING_C 3079 * 3080 * Enable the threading abstraction layer. 3081 * By default mbed TLS assumes it is used in a non-threaded environment or that 3082 * contexts are not shared between threads. If you do intend to use contexts 3083 * between threads, you will need to enable this layer to prevent race 3084 * conditions. See also our Knowledge Base article about threading: 3085 * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading 3086 * 3087 * Module: library/threading.c 3088 * 3089 * This allows different threading implementations (self-implemented or 3090 * provided). 3091 * 3092 * You will have to enable either MBEDTLS_THREADING_ALT or 3093 * MBEDTLS_THREADING_PTHREAD. 3094 * 3095 * Enable this layer to allow use of mutexes within mbed TLS 3096 */ 3097 //#define MBEDTLS_THREADING_C 3098 3099 /** 3100 * \def MBEDTLS_TIMING_C 3101 * 3102 * Enable the semi-portable timing interface. 3103 * 3104 * \note The provided implementation only works on POSIX/Unix (including Linux, 3105 * BSD and OS X) and Windows. On other platforms, you can either disable that 3106 * module and provide your own implementations of the callbacks needed by 3107 * \c mbedtls_ssl_set_timer_cb() for DTLS, or leave it enabled and provide 3108 * your own implementation of the whole module by setting 3109 * \c MBEDTLS_TIMING_ALT in the current file. 3110 * 3111 * \note See also our Knowledge Base article about porting to a new 3112 * environment: 3113 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 3114 * 3115 * Module: library/timing.c 3116 * Caller: library/havege.c 3117 * 3118 * This module is used by the HAVEGE random number generator. 3119 */ 3120 // #define MBEDTLS_TIMING_C 3121 3122 /** 3123 * \def MBEDTLS_VERSION_C 3124 * 3125 * Enable run-time version information. 3126 * 3127 * Module: library/version.c 3128 * 3129 * This module provides run-time version information. 3130 */ 3131 // #define MBEDTLS_VERSION_C 3132 3133 /** 3134 * \def MBEDTLS_X509_USE_C 3135 * 3136 * Enable X.509 core for using certificates. 3137 * 3138 * Module: library/x509.c 3139 * Caller: library/x509_crl.c 3140 * library/x509_crt.c 3141 * library/x509_csr.c 3142 * 3143 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, 3144 * MBEDTLS_PK_PARSE_C 3145 * 3146 * This module is required for the X.509 parsing modules. 3147 */ 3148 #define MBEDTLS_X509_USE_C 3149 3150 /** 3151 * \def MBEDTLS_X509_CRT_PARSE_C 3152 * 3153 * Enable X.509 certificate parsing. 3154 * 3155 * Module: library/x509_crt.c 3156 * Caller: library/ssl_cli.c 3157 * library/ssl_srv.c 3158 * library/ssl_tls.c 3159 * 3160 * Requires: MBEDTLS_X509_USE_C 3161 * 3162 * This module is required for X.509 certificate parsing. 3163 */ 3164 #define MBEDTLS_X509_CRT_PARSE_C 3165 3166 /** 3167 * \def MBEDTLS_X509_CRL_PARSE_C 3168 * 3169 * Enable X.509 CRL parsing. 3170 * 3171 * Module: library/x509_crl.c 3172 * Caller: library/x509_crt.c 3173 * 3174 * Requires: MBEDTLS_X509_USE_C 3175 * 3176 * This module is required for X.509 CRL parsing. 3177 */ 3178 #define MBEDTLS_X509_CRL_PARSE_C 3179 3180 /** 3181 * \def MBEDTLS_X509_CSR_PARSE_C 3182 * 3183 * Enable X.509 Certificate Signing Request (CSR) parsing. 3184 * 3185 * Module: library/x509_csr.c 3186 * Caller: library/x509_crt_write.c 3187 * 3188 * Requires: MBEDTLS_X509_USE_C 3189 * 3190 * This module is used for reading X.509 certificate request. 3191 */ 3192 #define MBEDTLS_X509_CSR_PARSE_C 3193 3194 /** 3195 * \def MBEDTLS_X509_CREATE_C 3196 * 3197 * Enable X.509 core for creating certificates. 3198 * 3199 * Module: library/x509_create.c 3200 * 3201 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, MBEDTLS_PK_WRITE_C 3202 * 3203 * This module is the basis for creating X.509 certificates and CSRs. 3204 */ 3205 #define MBEDTLS_X509_CREATE_C 3206 3207 /** 3208 * \def MBEDTLS_X509_CRT_WRITE_C 3209 * 3210 * Enable creating X.509 certificates. 3211 * 3212 * Module: library/x509_crt_write.c 3213 * 3214 * Requires: MBEDTLS_X509_CREATE_C 3215 * 3216 * This module is required for X.509 certificate creation. 3217 */ 3218 #define MBEDTLS_X509_CRT_WRITE_C 3219 3220 /** 3221 * \def MBEDTLS_X509_CSR_WRITE_C 3222 * 3223 * Enable creating X.509 Certificate Signing Requests (CSR). 3224 * 3225 * Module: library/x509_csr_write.c 3226 * 3227 * Requires: MBEDTLS_X509_CREATE_C 3228 * 3229 * This module is required for X.509 certificate request writing. 3230 */ 3231 #define MBEDTLS_X509_CSR_WRITE_C 3232 3233 /** 3234 * \def MBEDTLS_XTEA_C 3235 * 3236 * Enable the XTEA block cipher. 3237 * 3238 * Module: library/xtea.c 3239 * Caller: 3240 */ 3241 #define MBEDTLS_XTEA_C 3242 3243 /* \} name SECTION: mbed TLS modules */ 3244 3245 /** 3246 * \name SECTION: Module configuration options 3247 * 3248 * This section allows for the setting of module specific sizes and 3249 * configuration options. The default values are already present in the 3250 * relevant header files and should suffice for the regular use cases. 3251 * 3252 * Our advice is to enable options and change their values here 3253 * only if you have a good reason and know the consequences. 3254 * 3255 * Please check the respective header file for documentation on these 3256 * parameters (to prevent duplicate documentation). 3257 * \{ 3258 */ 3259 3260 /* MPI / BIGNUM options */ 3261 //#define MBEDTLS_MPI_WINDOW_SIZE 6 /**< Maximum windows size used. */ 3262 //#define MBEDTLS_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */ 3263 3264 /* CTR_DRBG options */ 3265 //#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */ 3266 //#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3267 //#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3268 //#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3269 //#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3270 //#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY /**< Use 128-bit key for CTR_DRBG - may reduce security (see ctr_drbg.h) */ 3271 3272 /* HMAC_DRBG options */ 3273 //#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3274 //#define MBEDTLS_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3275 //#define MBEDTLS_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3276 //#define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3277 3278 /* ECP options */ 3279 //#define MBEDTLS_ECP_MAX_BITS 521 /**< Maximum bit size of groups */ 3280 //#define MBEDTLS_ECP_WINDOW_SIZE 6 /**< Maximum window size used */ 3281 //#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1 /**< Enable fixed-point speed-up */ 3282 3283 /* Entropy options */ 3284 //#define MBEDTLS_ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */ 3285 //#define MBEDTLS_ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */ 3286 //#define MBEDTLS_ENTROPY_MIN_HARDWARE 32 /**< Default minimum number of bytes required for the hardware entropy source mbedtls_hardware_poll() before entropy is released */ 3287 3288 /* Memory buffer allocator options */ 3289 //#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */ 3290 3291 /* Platform options */ 3292 //#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. */ 3293 //#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use, can be undefined */ 3294 //#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use, can be undefined */ 3295 //#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use, can be undefined */ 3296 //#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3297 //#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */ 3298 //#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */ 3299 /* Note: your snprintf must correctly zero-terminate the buffer! */ 3300 //#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use, can be undefined */ 3301 //#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS 0 /**< Default exit value to use, can be undefined */ 3302 //#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE 1 /**< Default exit value to use, can be undefined */ 3303 //#define MBEDTLS_PLATFORM_STD_NV_SEED_READ mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3304 //#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3305 //#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE "seedfile" /**< Seed file to read/write with default implementation */ 3306 3307 /* To Use Function Macros MBEDTLS_PLATFORM_C must be enabled */ 3308 /* MBEDTLS_PLATFORM_XXX_MACRO and MBEDTLS_PLATFORM_XXX_ALT cannot both be defined */ 3309 //#define MBEDTLS_PLATFORM_CALLOC_MACRO calloc /**< Default allocator macro to use, can be undefined */ 3310 //#define MBEDTLS_PLATFORM_FREE_MACRO free /**< Default free macro to use, can be undefined */ 3311 //#define MBEDTLS_PLATFORM_EXIT_MACRO exit /**< Default exit macro to use, can be undefined */ 3312 //#define MBEDTLS_PLATFORM_TIME_MACRO time /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3313 //#define MBEDTLS_PLATFORM_TIME_TYPE_MACRO time_t /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3314 //#define MBEDTLS_PLATFORM_FPRINTF_MACRO fprintf /**< Default fprintf macro to use, can be undefined */ 3315 //#define MBEDTLS_PLATFORM_PRINTF_MACRO printf /**< Default printf macro to use, can be undefined */ 3316 /* Note: your snprintf must correctly zero-terminate the buffer! */ 3317 //#define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf /**< Default snprintf macro to use, can be undefined */ 3318 //#define MBEDTLS_PLATFORM_VSNPRINTF_MACRO vsnprintf /**< Default vsnprintf macro to use, can be undefined */ 3319 //#define MBEDTLS_PLATFORM_NV_SEED_READ_MACRO mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3320 //#define MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3321 3322 /** 3323 * \brief This macro is invoked by the library when an invalid parameter 3324 * is detected that is only checked with #MBEDTLS_CHECK_PARAMS 3325 * (see the documentation of that option for context). 3326 * 3327 * When you leave this undefined here, the library provides 3328 * a default definition. If the macro #MBEDTLS_CHECK_PARAMS_ASSERT 3329 * is defined, the default definition is `assert(cond)`, 3330 * otherwise the default definition calls a function 3331 * mbedtls_param_failed(). This function is declared in 3332 * `platform_util.h` for the benefit of the library, but 3333 * you need to define in your application. 3334 * 3335 * When you define this here, this replaces the default 3336 * definition in platform_util.h (which no longer declares the 3337 * function mbedtls_param_failed()) and it is your responsibility 3338 * to make sure this macro expands to something suitable (in 3339 * particular, that all the necessary declarations are visible 3340 * from within the library - you can ensure that by providing 3341 * them in this file next to the macro definition). 3342 * If you define this macro to call `assert`, also define 3343 * #MBEDTLS_CHECK_PARAMS_ASSERT so that library source files 3344 * include `<assert.h>`. 3345 * 3346 * Note that you may define this macro to expand to nothing, in 3347 * which case you don't have to worry about declarations or 3348 * definitions. However, you will then be notified about invalid 3349 * parameters only in non-void functions, and void function will 3350 * just silently return early on invalid parameters, which 3351 * partially negates the benefits of enabling 3352 * #MBEDTLS_CHECK_PARAMS in the first place, so is discouraged. 3353 * 3354 * \param cond The expression that should evaluate to true, but doesn't. 3355 */ 3356 //#define MBEDTLS_PARAM_FAILED( cond ) assert( cond ) 3357 3358 /* SSL Cache options */ 3359 //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */ 3360 //#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /**< Maximum entries in cache */ 3361 3362 /* SSL options */ 3363 3364 /** \def MBEDTLS_SSL_MAX_CONTENT_LEN 3365 * 3366 * Maximum length (in bytes) of incoming and outgoing plaintext fragments. 3367 * 3368 * This determines the size of both the incoming and outgoing TLS I/O buffers 3369 * in such a way that both are capable of holding the specified amount of 3370 * plaintext data, regardless of the protection mechanism used. 3371 * 3372 * To configure incoming and outgoing I/O buffers separately, use 3373 * #MBEDTLS_SSL_IN_CONTENT_LEN and #MBEDTLS_SSL_OUT_CONTENT_LEN, 3374 * which overwrite the value set by this option. 3375 * 3376 * \note When using a value less than the default of 16KB on the client, it is 3377 * recommended to use the Maximum Fragment Length (MFL) extension to 3378 * inform the server about this limitation. On the server, there 3379 * is no supported, standardized way of informing the client about 3380 * restriction on the maximum size of incoming messages, and unless 3381 * the limitation has been communicated by other means, it is recommended 3382 * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN 3383 * while keeping the default value of 16KB for the incoming buffer. 3384 * 3385 * Uncomment to set the maximum plaintext size of both 3386 * incoming and outgoing I/O buffers. 3387 */ 3388 //#define MBEDTLS_SSL_MAX_CONTENT_LEN 16384 3389 3390 /** \def MBEDTLS_SSL_IN_CONTENT_LEN 3391 * 3392 * Maximum length (in bytes) of incoming plaintext fragments. 3393 * 3394 * This determines the size of the incoming TLS I/O buffer in such a way 3395 * that it is capable of holding the specified amount of plaintext data, 3396 * regardless of the protection mechanism used. 3397 * 3398 * If this option is undefined, it inherits its value from 3399 * #MBEDTLS_SSL_MAX_CONTENT_LEN. 3400 * 3401 * \note When using a value less than the default of 16KB on the client, it is 3402 * recommended to use the Maximum Fragment Length (MFL) extension to 3403 * inform the server about this limitation. On the server, there 3404 * is no supported, standardized way of informing the client about 3405 * restriction on the maximum size of incoming messages, and unless 3406 * the limitation has been communicated by other means, it is recommended 3407 * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN 3408 * while keeping the default value of 16KB for the incoming buffer. 3409 * 3410 * Uncomment to set the maximum plaintext size of the incoming I/O buffer 3411 * independently of the outgoing I/O buffer. 3412 */ 3413 //#define MBEDTLS_SSL_IN_CONTENT_LEN 16384 3414 3415 /** \def MBEDTLS_SSL_CID_IN_LEN_MAX 3416 * 3417 * The maximum length of CIDs used for incoming DTLS messages. 3418 * 3419 */ 3420 //#define MBEDTLS_SSL_CID_IN_LEN_MAX 32 3421 3422 /** \def MBEDTLS_SSL_CID_OUT_LEN_MAX 3423 * 3424 * The maximum length of CIDs used for outgoing DTLS messages. 3425 * 3426 */ 3427 //#define MBEDTLS_SSL_CID_OUT_LEN_MAX 32 3428 3429 /** \def MBEDTLS_SSL_CID_PADDING_GRANULARITY 3430 * 3431 * This option controls the use of record plaintext padding 3432 * when using the Connection ID extension in DTLS 1.2. 3433 * 3434 * The padding will always be chosen so that the length of the 3435 * padded plaintext is a multiple of the value of this option. 3436 * 3437 * Note: A value of \c 1 means that no padding will be used 3438 * for outgoing records. 3439 * 3440 * Note: On systems lacking division instructions, 3441 * a power of two should be preferred. 3442 * 3443 */ 3444 //#define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16 3445 3446 /** \def MBEDTLS_SSL_OUT_CONTENT_LEN 3447 * 3448 * Maximum length (in bytes) of outgoing plaintext fragments. 3449 * 3450 * This determines the size of the outgoing TLS I/O buffer in such a way 3451 * that it is capable of holding the specified amount of plaintext data, 3452 * regardless of the protection mechanism used. 3453 * 3454 * If this option undefined, it inherits its value from 3455 * #MBEDTLS_SSL_MAX_CONTENT_LEN. 3456 * 3457 * It is possible to save RAM by setting a smaller outward buffer, while keeping 3458 * the default inward 16384 byte buffer to conform to the TLS specification. 3459 * 3460 * The minimum required outward buffer size is determined by the handshake 3461 * protocol's usage. Handshaking will fail if the outward buffer is too small. 3462 * The specific size requirement depends on the configured ciphers and any 3463 * certificate data which is sent during the handshake. 3464 * 3465 * Uncomment to set the maximum plaintext size of the outgoing I/O buffer 3466 * independently of the incoming I/O buffer. 3467 */ 3468 //#define MBEDTLS_SSL_OUT_CONTENT_LEN 16384 3469 3470 /** \def MBEDTLS_SSL_DTLS_MAX_BUFFERING 3471 * 3472 * Maximum number of heap-allocated bytes for the purpose of 3473 * DTLS handshake message reassembly and future message buffering. 3474 * 3475 * This should be at least 9/8 * MBEDTLSSL_IN_CONTENT_LEN 3476 * to account for a reassembled handshake message of maximum size, 3477 * together with its reassembly bitmap. 3478 * 3479 * A value of 2 * MBEDTLS_SSL_IN_CONTENT_LEN (32768 by default) 3480 * should be sufficient for all practical situations as it allows 3481 * to reassembly a large handshake message (such as a certificate) 3482 * while buffering multiple smaller handshake messages. 3483 * 3484 */ 3485 //#define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768 3486 3487 //#define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400 /**< Lifetime of session tickets (if enabled) */ 3488 //#define MBEDTLS_PSK_MAX_LEN 32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */ 3489 //#define MBEDTLS_SSL_COOKIE_TIMEOUT 60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */ 3490 3491 /** 3492 * Complete list of ciphersuites to use, in order of preference. 3493 * 3494 * \warning No dependency checking is done on that field! This option can only 3495 * be used to restrict the set of available ciphersuites. It is your 3496 * responsibility to make sure the needed modules are active. 3497 * 3498 * Use this to save a few hundred bytes of ROM (default ordering of all 3499 * available ciphersuites) and a few to a few hundred bytes of RAM. 3500 * 3501 * The value below is only an example, not the default. 3502 */ 3503 //#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 3504 3505 /* X509 options */ 3506 //#define MBEDTLS_X509_MAX_INTERMEDIATE_CA 8 /**< Maximum number of intermediate CAs in a verification chain. */ 3507 //#define MBEDTLS_X509_MAX_FILE_PATH_LEN 512 /**< Maximum length of a path/filename string in bytes including the null terminator character ('\0'). */ 3508 3509 /** 3510 * Allow SHA-1 in the default TLS configuration for certificate signing. 3511 * Without this build-time option, SHA-1 support must be activated explicitly 3512 * through mbedtls_ssl_conf_cert_profile. Turning on this option is not 3513 * recommended because of it is possible to generate SHA-1 collisions, however 3514 * this may be safe for legacy infrastructure where additional controls apply. 3515 * 3516 * \warning SHA-1 is considered a weak message digest and its use constitutes 3517 * a security risk. If possible, we recommend avoiding dependencies 3518 * on it, and considering stronger message digests instead. 3519 * 3520 */ 3521 //#define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES 3522 3523 /** 3524 * Allow SHA-1 in the default TLS configuration for TLS 1.2 handshake 3525 * signature and ciphersuite selection. Without this build-time option, SHA-1 3526 * support must be activated explicitly through mbedtls_ssl_conf_sig_hashes. 3527 * The use of SHA-1 in TLS <= 1.1 and in HMAC-SHA-1 is always allowed by 3528 * default. At the time of writing, there is no practical attack on the use 3529 * of SHA-1 in handshake signatures, hence this option is turned on by default 3530 * to preserve compatibility with existing peers, but the general 3531 * warning applies nonetheless: 3532 * 3533 * \warning SHA-1 is considered a weak message digest and its use constitutes 3534 * a security risk. If possible, we recommend avoiding dependencies 3535 * on it, and considering stronger message digests instead. 3536 * 3537 */ 3538 #define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE 3539 3540 /** 3541 * Uncomment the macro to let mbed TLS use your alternate implementation of 3542 * mbedtls_platform_zeroize(). This replaces the default implementation in 3543 * platform_util.c. 3544 * 3545 * mbedtls_platform_zeroize() is a widely used function across the library to 3546 * zero a block of memory. The implementation is expected to be secure in the 3547 * sense that it has been written to prevent the compiler from removing calls 3548 * to mbedtls_platform_zeroize() as part of redundant code elimination 3549 * optimizations. However, it is difficult to guarantee that calls to 3550 * mbedtls_platform_zeroize() will not be optimized by the compiler as older 3551 * versions of the C language standards do not provide a secure implementation 3552 * of memset(). Therefore, MBEDTLS_PLATFORM_ZEROIZE_ALT enables users to 3553 * configure their own implementation of mbedtls_platform_zeroize(), for 3554 * example by using directives specific to their compiler, features from newer 3555 * C standards (e.g using memset_s() in C11) or calling a secure memset() from 3556 * their system (e.g explicit_bzero() in BSD). 3557 */ 3558 //#define MBEDTLS_PLATFORM_ZEROIZE_ALT 3559 3560 /** 3561 * Uncomment the macro to let Mbed TLS use your alternate implementation of 3562 * mbedtls_platform_gmtime_r(). This replaces the default implementation in 3563 * platform_util.c. 3564 * 3565 * gmtime() is not a thread-safe function as defined in the C standard. The 3566 * library will try to use safer implementations of this function, such as 3567 * gmtime_r() when available. However, if Mbed TLS cannot identify the target 3568 * system, the implementation of mbedtls_platform_gmtime_r() will default to 3569 * using the standard gmtime(). In this case, calls from the library to 3570 * gmtime() will be guarded by the global mutex mbedtls_threading_gmtime_mutex 3571 * if MBEDTLS_THREADING_C is enabled. We recommend that calls from outside the 3572 * library are also guarded with this mutex to avoid race conditions. However, 3573 * if the macro MBEDTLS_PLATFORM_GMTIME_R_ALT is defined, Mbed TLS will 3574 * unconditionally use the implementation for mbedtls_platform_gmtime_r() 3575 * supplied at compile time. 3576 */ 3577 //#define MBEDTLS_PLATFORM_GMTIME_R_ALT 3578 3579 /** 3580 * Enable the verified implementations of ECDH primitives from Project Everest 3581 * (currently only Curve25519). This feature changes the layout of ECDH 3582 * contexts and therefore is a compatibility break for applications that access 3583 * fields of a mbedtls_ecdh_context structure directly. See also 3584 * MBEDTLS_ECDH_LEGACY_CONTEXT in include/mbedtls/ecdh.h. 3585 */ 3586 //#define MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED 3587 3588 /* \} name SECTION: Customisation configuration options */ 3589 3590 /* Target and application specific configurations 3591 * 3592 * Allow user to override any previous default. 3593 * 3594 */ 3595 #if defined(MBEDTLS_USER_CONFIG_FILE) 3596 #include MBEDTLS_USER_CONFIG_FILE 3597 #endif 3598 3599 #include "mbedtls/check_config.h" 3600 3601 #ifdef MCUBOOT_ENC_IMAGES 3602 #define MBEDTLS_SHA256_DIGEST_SIZE (32) 3603 #define MBEDTLS_AES_KEY_SIZE 16 3604 #endif 3605 3606 #endif /* MBEDTLS_CONFIG_H */ 3607
