1 /** 2 * \file mbedtls_config.h 3 * 4 * \brief Configuration options (set of defines) 5 * 6 * This set of compile-time options may be used to enable 7 * or disable features selectively, and reduce the global 8 * memory footprint. 9 */ 10 /* 11 * Copyright The Mbed TLS Contributors 12 * SPDX-License-Identifier: Apache-2.0 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 27 #include <rom/ets_sys.h> 28 29 /** 30 * This is an optional version symbol that enables comatibility handling of 31 * config files. 32 * 33 * It is equal to the #MBEDTLS_VERSION_NUMBER of the Mbed TLS version that 34 * introduced the config format we want to be compatible with. 35 */ 36 //#define MBEDTLS_CONFIG_VERSION 0x03000000 37 38 /** 39 * \name SECTION: System support 40 * 41 * This section sets system specific settings. 42 * \{ 43 */ 44 45 /** 46 * \def MBEDTLS_HAVE_ASM 47 * 48 * The compiler has support for asm(). 49 * 50 * Requires support for asm() in compiler. 51 * 52 * Used in: 53 * library/aria.c 54 * library/bn_mul.h 55 * 56 * Required by: 57 * MBEDTLS_AESNI_C 58 * MBEDTLS_PADLOCK_C 59 * 60 * Comment to disable the use of assembly code. 61 */ 62 #define MBEDTLS_HAVE_ASM 63 64 /** 65 * \def MBEDTLS_NO_UDBL_DIVISION 66 * 67 * The platform lacks support for double-width integer division (64-bit 68 * division on a 32-bit platform, 128-bit division on a 64-bit platform). 69 * 70 * Used in: 71 * include/mbedtls/bignum.h 72 * library/bignum.c 73 * 74 * The bignum code uses double-width division to speed up some operations. 75 * Double-width division is often implemented in software that needs to 76 * be linked with the program. The presence of a double-width integer 77 * type is usually detected automatically through preprocessor macros, 78 * but the automatic detection cannot know whether the code needs to 79 * and can be linked with an implementation of division for that type. 80 * By default division is assumed to be usable if the type is present. 81 * Uncomment this option to prevent the use of double-width division. 82 * 83 * Note that division for the native integer type is always required. 84 * Furthermore, a 64-bit type is always required even on a 32-bit 85 * platform, but it need not support multiplication or division. In some 86 * cases it is also desirable to disable some double-width operations. For 87 * example, if double-width division is implemented in software, disabling 88 * it can reduce code size in some embedded targets. 89 */ 90 //#define MBEDTLS_NO_UDBL_DIVISION 91 92 /** 93 * \def MBEDTLS_NO_64BIT_MULTIPLICATION 94 * 95 * The platform lacks support for 32x32 -> 64-bit multiplication. 96 * 97 * Used in: 98 * library/poly1305.c 99 * 100 * Some parts of the library may use multiplication of two unsigned 32-bit 101 * operands with a 64-bit result in order to speed up computations. On some 102 * platforms, this is not available in hardware and has to be implemented in 103 * software, usually in a library provided by the toolchain. 104 * 105 * Sometimes it is not desirable to have to link to that library. This option 106 * removes the dependency of that library on platforms that lack a hardware 107 * 64-bit multiplier by embedding a software implementation in Mbed TLS. 108 * 109 * Note that depending on the compiler, this may decrease performance compared 110 * to using the library function provided by the toolchain. 111 */ 112 //#define MBEDTLS_NO_64BIT_MULTIPLICATION 113 114 /** 115 * \def MBEDTLS_HAVE_SSE2 116 * 117 * CPU supports SSE2 instruction set. 118 * 119 * Uncomment if the CPU supports SSE2 (IA-32 specific). 120 */ 121 //#define MBEDTLS_HAVE_SSE2 122 123 /** 124 * \def MBEDTLS_HAVE_TIME 125 * 126 * System has time.h and time(). 127 * The time does not need to be correct, only time differences are used, 128 * by contrast with MBEDTLS_HAVE_TIME_DATE 129 * 130 * Defining MBEDTLS_HAVE_TIME allows you to specify MBEDTLS_PLATFORM_TIME_ALT, 131 * MBEDTLS_PLATFORM_TIME_MACRO, MBEDTLS_PLATFORM_TIME_TYPE_MACRO and 132 * MBEDTLS_PLATFORM_STD_TIME. 133 * 134 * Comment if your system does not support time functions 135 */ 136 #define MBEDTLS_HAVE_TIME 137 138 /** 139 * \def MBEDTLS_HAVE_TIME_DATE 140 * 141 * System has time.h, time(), and an implementation for 142 * mbedtls_platform_gmtime_r() (see below). 143 * The time needs to be correct (not necessarily very accurate, but at least 144 * the date should be correct). This is used to verify the validity period of 145 * X.509 certificates. 146 * 147 * Comment if your system does not have a correct clock. 148 * 149 * \note mbedtls_platform_gmtime_r() is an abstraction in platform_util.h that 150 * behaves similarly to the gmtime_r() function from the C standard. Refer to 151 * the documentation for mbedtls_platform_gmtime_r() for more information. 152 * 153 * \note It is possible to configure an implementation for 154 * mbedtls_platform_gmtime_r() at compile-time by using the macro 155 * MBEDTLS_PLATFORM_GMTIME_R_ALT. 156 */ 157 #define MBEDTLS_HAVE_TIME_DATE 158 159 /** 160 * \def MBEDTLS_PLATFORM_MEMORY 161 * 162 * Enable the memory allocation layer. 163 * 164 * By default mbed TLS uses the system-provided calloc() and free(). 165 * This allows different allocators (self-implemented or provided) to be 166 * provided to the platform abstraction layer. 167 * 168 * Enabling MBEDTLS_PLATFORM_MEMORY without the 169 * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide 170 * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and 171 * free() function pointer at runtime. 172 * 173 * Enabling MBEDTLS_PLATFORM_MEMORY and specifying 174 * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the 175 * alternate function at compile time. 176 * 177 * Requires: MBEDTLS_PLATFORM_C 178 * 179 * Enable this layer to allow use of alternative memory allocators. 180 */ 181 #define MBEDTLS_PLATFORM_MEMORY 182 183 /** 184 * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 185 * 186 * Do not assign standard functions in the platform layer (e.g. calloc() to 187 * MBEDTLS_PLATFORM_STD_CALLOC and printf() to MBEDTLS_PLATFORM_STD_PRINTF) 188 * 189 * This makes sure there are no linking errors on platforms that do not support 190 * these functions. You will HAVE to provide alternatives, either at runtime 191 * via the platform_set_xxx() functions or at compile time by setting 192 * the MBEDTLS_PLATFORM_STD_XXX defines, or enabling a 193 * MBEDTLS_PLATFORM_XXX_MACRO. 194 * 195 * Requires: MBEDTLS_PLATFORM_C 196 * 197 * Uncomment to prevent default assignment of standard functions in the 198 * platform layer. 199 */ 200 #define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 201 202 /** 203 * \def MBEDTLS_PLATFORM_EXIT_ALT 204 * 205 * MBEDTLS_PLATFORM_XXX_ALT: Uncomment a macro to let mbed TLS support the 206 * function in the platform abstraction layer. 207 * 208 * Example: In case you uncomment MBEDTLS_PLATFORM_PRINTF_ALT, mbed TLS will 209 * provide a function "mbedtls_platform_set_printf()" that allows you to set an 210 * alternative printf function pointer. 211 * 212 * All these define require MBEDTLS_PLATFORM_C to be defined! 213 * 214 * \note MBEDTLS_PLATFORM_SNPRINTF_ALT is required on Windows; 215 * it will be enabled automatically by check_config.h 216 * 217 * \warning MBEDTLS_PLATFORM_XXX_ALT cannot be defined at the same time as 218 * MBEDTLS_PLATFORM_XXX_MACRO! 219 * 220 * Requires: MBEDTLS_PLATFORM_TIME_ALT requires MBEDTLS_HAVE_TIME 221 * 222 * Uncomment a macro to enable alternate implementation of specific base 223 * platform function 224 */ 225 #define MBEDTLS_PLATFORM_EXIT_ALT 226 //#define MBEDTLS_PLATFORM_TIME_ALT 227 //#define MBEDTLS_PLATFORM_FPRINTF_ALT 228 //#define MBEDTLS_PLATFORM_PRINTF_ALT 229 //#define MBEDTLS_PLATFORM_SNPRINTF_ALT 230 //#define MBEDTLS_PLATFORM_VSNPRINTF_ALT 231 //#define MBEDTLS_PLATFORM_NV_SEED_ALT 232 //#define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT 233 234 /** 235 * \def MBEDTLS_DEPRECATED_WARNING 236 * 237 * Mark deprecated functions and features so that they generate a warning if 238 * used. Functionality deprecated in one version will usually be removed in the 239 * next version. You can enable this to help you prepare the transition to a 240 * new major version by making sure your code is not using this functionality. 241 * 242 * This only works with GCC and Clang. With other compilers, you may want to 243 * use MBEDTLS_DEPRECATED_REMOVED 244 * 245 * Uncomment to get warnings on using deprecated functions and features. 246 */ 247 //#define MBEDTLS_DEPRECATED_WARNING 248 249 /** 250 * \def MBEDTLS_DEPRECATED_REMOVED 251 * 252 * Remove deprecated functions and features so that they generate an error if 253 * used. Functionality deprecated in one version will usually be removed in the 254 * next version. You can enable this to help you prepare the transition to a 255 * new major version by making sure your code is not using this functionality. 256 * 257 * Uncomment to get errors on using deprecated functions and features. 258 */ 259 //#define MBEDTLS_DEPRECATED_REMOVED 260 261 /* \} name SECTION: System support */ 262 263 /** 264 * \name SECTION: mbed TLS feature support 265 * 266 * This section sets support for features that are or are not needed 267 * within the modules that are enabled. 268 * \{ 269 */ 270 271 /** 272 * \def MBEDTLS_TIMING_ALT 273 * 274 * Uncomment to provide your own alternate implementation for 275 * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay() 276 * 277 * Only works if you have MBEDTLS_TIMING_C enabled. 278 * 279 * You will need to provide a header "timing_alt.h" and an implementation at 280 * compile time. 281 */ 282 //#define MBEDTLS_TIMING_ALT 283 284 /** 285 * \def MBEDTLS_AES_ALT 286 * 287 * MBEDTLS__MODULE_NAME__ALT: Uncomment a macro to let mbed TLS use your 288 * alternate core implementation of a symmetric crypto, an arithmetic or hash 289 * module (e.g. platform specific assembly optimized implementations). Keep 290 * in mind that the function prototypes should remain the same. 291 * 292 * This replaces the whole module. If you only want to replace one of the 293 * functions, use one of the MBEDTLS__FUNCTION_NAME__ALT flags. 294 * 295 * Example: In case you uncomment MBEDTLS_AES_ALT, mbed TLS will no longer 296 * provide the "struct mbedtls_aes_context" definition and omit the base 297 * function declarations and implementations. "aes_alt.h" will be included from 298 * "aes.h" to include the new function definitions. 299 * 300 * Uncomment a macro to enable alternate implementation of the corresponding 301 * module. 302 * 303 * \warning MD5, DES and SHA-1 are considered weak and their 304 * use constitutes a security risk. If possible, we recommend 305 * avoiding dependencies on them, and considering stronger message 306 * digests and ciphers instead. 307 * 308 */ 309 //#define MBEDTLS_AES_ALT 310 //#define MBEDTLS_ARIA_ALT 311 //#define MBEDTLS_CAMELLIA_ALT 312 //#define MBEDTLS_CCM_ALT 313 //#define MBEDTLS_CHACHA20_ALT 314 //#define MBEDTLS_CHACHAPOLY_ALT 315 //#define MBEDTLS_CMAC_ALT 316 //#define MBEDTLS_DES_ALT 317 //#define MBEDTLS_DHM_ALT 318 //#define MBEDTLS_ECJPAKE_ALT 319 //#define MBEDTLS_GCM_ALT 320 //#define MBEDTLS_NIST_KW_ALT 321 //#define MBEDTLS_MD5_ALT 322 //#define MBEDTLS_POLY1305_ALT 323 //#define MBEDTLS_RIPEMD160_ALT 324 //#define MBEDTLS_RSA_ALT 325 //#define MBEDTLS_SHA1_ALT 326 //#define MBEDTLS_SHA256_ALT 327 //#define MBEDTLS_SHA512_ALT 328 329 /* 330 * When replacing the elliptic curve module, pleace consider, that it is 331 * implemented with two .c files: 332 * - ecp.c 333 * - ecp_curves.c 334 * You can replace them very much like all the other MBEDTLS__MODULE_NAME__ALT 335 * macros as described above. The only difference is that you have to make sure 336 * that you provide functionality for both .c files. 337 */ 338 //#define MBEDTLS_ECP_ALT 339 340 /** 341 * \def MBEDTLS_SHA256_PROCESS_ALT 342 * 343 * MBEDTLS__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use you 344 * alternate core implementation of symmetric crypto or hash function. Keep in 345 * mind that function prototypes should remain the same. 346 * 347 * This replaces only one function. The header file from mbed TLS is still 348 * used, in contrast to the MBEDTLS__MODULE_NAME__ALT flags. 349 * 350 * Example: In case you uncomment MBEDTLS_SHA256_PROCESS_ALT, mbed TLS will 351 * no longer provide the mbedtls_sha1_process() function, but it will still provide 352 * the other function (using your mbedtls_sha1_process() function) and the definition 353 * of mbedtls_sha1_context, so your implementation of mbedtls_sha1_process must be compatible 354 * with this definition. 355 * 356 * \note If you use the AES_xxx_ALT macros, then it is recommended to also set 357 * MBEDTLS_AES_ROM_TABLES in order to help the linker garbage-collect the AES 358 * tables. 359 * 360 * Uncomment a macro to enable alternate implementation of the corresponding 361 * function. 362 * 363 * \warning MD5, DES and SHA-1 are considered weak and their use 364 * constitutes a security risk. If possible, we recommend avoiding 365 * dependencies on them, and considering stronger message digests 366 * and ciphers instead. 367 * 368 * \warning If both MBEDTLS_ECDSA_SIGN_ALT and MBEDTLS_ECDSA_DETERMINISTIC are 369 * enabled, then the deterministic ECDH signature functions pass the 370 * the static HMAC-DRBG as RNG to mbedtls_ecdsa_sign(). Therefore 371 * alternative implementations should use the RNG only for generating 372 * the ephemeral key and nothing else. If this is not possible, then 373 * MBEDTLS_ECDSA_DETERMINISTIC should be disabled and an alternative 374 * implementation should be provided for mbedtls_ecdsa_sign_det_ext(). 375 * 376 */ 377 //#define MBEDTLS_MD5_PROCESS_ALT 378 //#define MBEDTLS_RIPEMD160_PROCESS_ALT 379 //#define MBEDTLS_SHA1_PROCESS_ALT 380 //#define MBEDTLS_SHA256_PROCESS_ALT 381 //#define MBEDTLS_SHA512_PROCESS_ALT 382 //#define MBEDTLS_DES_SETKEY_ALT 383 //#define MBEDTLS_DES_CRYPT_ECB_ALT 384 //#define MBEDTLS_DES3_CRYPT_ECB_ALT 385 //#define MBEDTLS_AES_SETKEY_ENC_ALT 386 //#define MBEDTLS_AES_SETKEY_DEC_ALT 387 //#define MBEDTLS_AES_ENCRYPT_ALT 388 //#define MBEDTLS_AES_DECRYPT_ALT 389 //#define MBEDTLS_ECDH_GEN_PUBLIC_ALT 390 //#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT 391 //#define MBEDTLS_ECDSA_VERIFY_ALT 392 //#define MBEDTLS_ECDSA_SIGN_ALT 393 //#define MBEDTLS_ECDSA_GENKEY_ALT 394 395 /** 396 * \def MBEDTLS_ECP_INTERNAL_ALT 397 * 398 * Expose a part of the internal interface of the Elliptic Curve Point module. 399 * 400 * MBEDTLS_ECP__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use your 401 * alternative core implementation of elliptic curve arithmetic. Keep in mind 402 * that function prototypes should remain the same. 403 * 404 * This partially replaces one function. The header file from mbed TLS is still 405 * used, in contrast to the MBEDTLS_ECP_ALT flag. The original implementation 406 * is still present and it is used for group structures not supported by the 407 * alternative. 408 * 409 * The original implementation can in addition be removed by setting the 410 * MBEDTLS_ECP_NO_FALLBACK option, in which case any function for which the 411 * corresponding MBEDTLS_ECP__FUNCTION_NAME__ALT macro is defined will not be 412 * able to fallback to curves not supported by the alternative implementation. 413 * 414 * Any of these options become available by defining MBEDTLS_ECP_INTERNAL_ALT 415 * and implementing the following functions: 416 * unsigned char mbedtls_internal_ecp_grp_capable( 417 * const mbedtls_ecp_group *grp ) 418 * int mbedtls_internal_ecp_init( const mbedtls_ecp_group *grp ) 419 * void mbedtls_internal_ecp_free( const mbedtls_ecp_group *grp ) 420 * The mbedtls_internal_ecp_grp_capable function should return 1 if the 421 * replacement functions implement arithmetic for the given group and 0 422 * otherwise. 423 * The functions mbedtls_internal_ecp_init and mbedtls_internal_ecp_free are 424 * called before and after each point operation and provide an opportunity to 425 * implement optimized set up and tear down instructions. 426 * 427 * Example: In case you set MBEDTLS_ECP_INTERNAL_ALT and 428 * MBEDTLS_ECP_DOUBLE_JAC_ALT, mbed TLS will still provide the ecp_double_jac() 429 * function, but will use your mbedtls_internal_ecp_double_jac() if the group 430 * for the operation is supported by your implementation (i.e. your 431 * mbedtls_internal_ecp_grp_capable() function returns 1 for this group). If the 432 * group is not supported by your implementation, then the original mbed TLS 433 * implementation of ecp_double_jac() is used instead, unless this fallback 434 * behaviour is disabled by setting MBEDTLS_ECP_NO_FALLBACK (in which case 435 * ecp_double_jac() will return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE). 436 * 437 * The function prototypes and the definition of mbedtls_ecp_group and 438 * mbedtls_ecp_point will not change based on MBEDTLS_ECP_INTERNAL_ALT, so your 439 * implementation of mbedtls_internal_ecp__function_name__ must be compatible 440 * with their definitions. 441 * 442 * Uncomment a macro to enable alternate implementation of the corresponding 443 * function. 444 */ 445 /* Required for all the functions in this section */ 446 //#define MBEDTLS_ECP_INTERNAL_ALT 447 /* Turn off software fallback for curves not supported in hardware */ 448 //#define MBEDTLS_ECP_NO_FALLBACK 449 /* Support for Weierstrass curves with Jacobi representation */ 450 //#define MBEDTLS_ECP_RANDOMIZE_JAC_ALT 451 //#define MBEDTLS_ECP_ADD_MIXED_ALT 452 //#define MBEDTLS_ECP_DOUBLE_JAC_ALT 453 //#define MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT 454 //#define MBEDTLS_ECP_NORMALIZE_JAC_ALT 455 /* Support for curves with Montgomery arithmetic */ 456 //#define MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT 457 //#define MBEDTLS_ECP_RANDOMIZE_MXZ_ALT 458 //#define MBEDTLS_ECP_NORMALIZE_MXZ_ALT 459 460 /** 461 * \def MBEDTLS_ENTROPY_HARDWARE_ALT 462 * 463 * Uncomment this macro to let mbed TLS use your own implementation of a 464 * hardware entropy collector. 465 * 466 * Your function must be called \c mbedtls_hardware_poll(), have the same 467 * prototype as declared in library/entropy_poll.h, and accept NULL as first 468 * argument. 469 * 470 * Uncomment to use your own hardware entropy collector. 471 */ 472 //#define MBEDTLS_ENTROPY_HARDWARE_ALT 473 474 /** 475 * \def MBEDTLS_AES_ROM_TABLES 476 * 477 * Use precomputed AES tables stored in ROM. 478 * 479 * Uncomment this macro to use precomputed AES tables stored in ROM. 480 * Comment this macro to generate AES tables in RAM at runtime. 481 * 482 * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb 483 * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the 484 * initialization time before the first AES operation can be performed. 485 * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c 486 * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded 487 * performance if ROM access is slower than RAM access. 488 * 489 * This option is independent of \c MBEDTLS_AES_FEWER_TABLES. 490 * 491 */ 492 //#define MBEDTLS_AES_ROM_TABLES 493 494 /** 495 * \def MBEDTLS_AES_FEWER_TABLES 496 * 497 * Use less ROM/RAM for AES tables. 498 * 499 * Uncommenting this macro omits 75% of the AES tables from 500 * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES) 501 * by computing their values on the fly during operations 502 * (the tables are entry-wise rotations of one another). 503 * 504 * Tradeoff: Uncommenting this reduces the RAM / ROM footprint 505 * by ~6kb but at the cost of more arithmetic operations during 506 * runtime. Specifically, one has to compare 4 accesses within 507 * different tables to 4 accesses with additional arithmetic 508 * operations within the same table. The performance gain/loss 509 * depends on the system and memory details. 510 * 511 * This option is independent of \c MBEDTLS_AES_ROM_TABLES. 512 * 513 */ 514 //#define MBEDTLS_AES_FEWER_TABLES 515 516 /** 517 * \def MBEDTLS_CAMELLIA_SMALL_MEMORY 518 * 519 * Use less ROM for the Camellia implementation (saves about 768 bytes). 520 * 521 * Uncomment this macro to use less memory for Camellia. 522 */ 523 //#define MBEDTLS_CAMELLIA_SMALL_MEMORY 524 525 /** 526 * \def MBEDTLS_CIPHER_MODE_CBC 527 * 528 * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers. 529 */ 530 #define MBEDTLS_CIPHER_MODE_CBC 531 532 /** 533 * \def MBEDTLS_CIPHER_MODE_CFB 534 * 535 * Enable Cipher Feedback mode (CFB) for symmetric ciphers. 536 */ 537 #define MBEDTLS_CIPHER_MODE_CFB 538 539 /** 540 * \def MBEDTLS_CIPHER_MODE_CTR 541 * 542 * Enable Counter Block Cipher mode (CTR) for symmetric ciphers. 543 */ 544 #define MBEDTLS_CIPHER_MODE_CTR 545 546 /** 547 * \def MBEDTLS_CIPHER_MODE_OFB 548 * 549 * Enable Output Feedback mode (OFB) for symmetric ciphers. 550 */ 551 #define MBEDTLS_CIPHER_MODE_OFB 552 553 /** 554 * \def MBEDTLS_CIPHER_MODE_XTS 555 * 556 * Enable Xor-encrypt-xor with ciphertext stealing mode (XTS) for AES. 557 */ 558 #define MBEDTLS_CIPHER_MODE_XTS 559 560 /** 561 * \def MBEDTLS_CIPHER_NULL_CIPHER 562 * 563 * Enable NULL cipher. 564 * Warning: Only do so when you know what you are doing. This allows for 565 * encryption or channels without any security! 566 * 567 * To enable the following ciphersuites: 568 * MBEDTLS_TLS_ECDH_ECDSA_WITH_NULL_SHA 569 * MBEDTLS_TLS_ECDH_RSA_WITH_NULL_SHA 570 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_NULL_SHA 571 * MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA 572 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384 573 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256 574 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA 575 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384 576 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA256 577 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA 578 * MBEDTLS_TLS_RSA_WITH_NULL_SHA256 579 * MBEDTLS_TLS_RSA_WITH_NULL_SHA 580 * MBEDTLS_TLS_RSA_WITH_NULL_MD5 581 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384 582 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA256 583 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA 584 * MBEDTLS_TLS_PSK_WITH_NULL_SHA384 585 * MBEDTLS_TLS_PSK_WITH_NULL_SHA256 586 * MBEDTLS_TLS_PSK_WITH_NULL_SHA 587 * 588 * Uncomment this macro to enable the NULL cipher and ciphersuites 589 */ 590 //#define MBEDTLS_CIPHER_NULL_CIPHER 591 592 /** 593 * \def MBEDTLS_CIPHER_PADDING_PKCS7 594 * 595 * MBEDTLS_CIPHER_PADDING_XXX: Uncomment or comment macros to add support for 596 * specific padding modes in the cipher layer with cipher modes that support 597 * padding (e.g. CBC) 598 * 599 * If you disable all padding modes, only full blocks can be used with CBC. 600 * 601 * Enable padding modes in the cipher layer. 602 */ 603 #define MBEDTLS_CIPHER_PADDING_PKCS7 604 #define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS 605 #define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN 606 #define MBEDTLS_CIPHER_PADDING_ZEROS 607 608 /** \def MBEDTLS_CTR_DRBG_USE_128_BIT_KEY 609 * 610 * Uncomment this macro to use a 128-bit key in the CTR_DRBG module. 611 * By default, CTR_DRBG uses a 256-bit key. 612 */ 613 //#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY 614 615 /** 616 * \def MBEDTLS_ECP_DP_SECP192R1_ENABLED 617 * 618 * MBEDTLS_ECP_XXXX_ENABLED: Enables specific curves within the Elliptic Curve 619 * module. By default all supported curves are enabled. 620 * 621 * Comment macros to disable the curve and functions for it 622 */ 623 /* Short Weierstrass curves (supporting ECP, ECDH, ECDSA) */ 624 #define MBEDTLS_ECP_DP_SECP192R1_ENABLED 625 #define MBEDTLS_ECP_DP_SECP224R1_ENABLED 626 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED 627 #define MBEDTLS_ECP_DP_SECP384R1_ENABLED 628 #define MBEDTLS_ECP_DP_SECP521R1_ENABLED 629 #define MBEDTLS_ECP_DP_SECP192K1_ENABLED 630 #define MBEDTLS_ECP_DP_SECP224K1_ENABLED 631 #define MBEDTLS_ECP_DP_SECP256K1_ENABLED 632 #define MBEDTLS_ECP_DP_BP256R1_ENABLED 633 #define MBEDTLS_ECP_DP_BP384R1_ENABLED 634 #define MBEDTLS_ECP_DP_BP512R1_ENABLED 635 /* Montgomery curves (supporting ECP) */ 636 #define MBEDTLS_ECP_DP_CURVE25519_ENABLED 637 #define MBEDTLS_ECP_DP_CURVE448_ENABLED 638 639 /** 640 * \def MBEDTLS_ECP_NIST_OPTIM 641 * 642 * Enable specific 'modulo p' routines for each NIST prime. 643 * Depending on the prime and architecture, makes operations 4 to 8 times 644 * faster on the corresponding curve. 645 * 646 * Comment this macro to disable NIST curves optimisation. 647 */ 648 #define MBEDTLS_ECP_NIST_OPTIM 649 650 /** 651 * \def MBEDTLS_ECP_RESTARTABLE 652 * 653 * Enable "non-blocking" ECC operations that can return early and be resumed. 654 * 655 * This allows various functions to pause by returning 656 * #MBEDTLS_ERR_ECP_IN_PROGRESS (or, for functions in the SSL module, 657 * #MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) and then be called later again in 658 * order to further progress and eventually complete their operation. This is 659 * controlled through mbedtls_ecp_set_max_ops() which limits the maximum 660 * number of ECC operations a function may perform before pausing; see 661 * mbedtls_ecp_set_max_ops() for more information. 662 * 663 * This is useful in non-threaded environments if you want to avoid blocking 664 * for too long on ECC (and, hence, X.509 or SSL/TLS) operations. 665 * 666 * Uncomment this macro to enable restartable ECC computations. 667 * 668 * \note This option only works with the default software implementation of 669 * elliptic curve functionality. It is incompatible with 670 * MBEDTLS_ECP_ALT, MBEDTLS_ECDH_XXX_ALT, MBEDTLS_ECDSA_XXX_ALT. 671 */ 672 //#define MBEDTLS_ECP_RESTARTABLE 673 674 /** 675 * \def MBEDTLS_ECDSA_DETERMINISTIC 676 * 677 * Enable deterministic ECDSA (RFC 6979). 678 * Standard ECDSA is "fragile" in the sense that lack of entropy when signing 679 * may result in a compromise of the long-term signing key. This is avoided by 680 * the deterministic variant. 681 * 682 * Requires: MBEDTLS_HMAC_DRBG_C, MBEDTLS_ECDSA_C 683 * 684 * Comment this macro to disable deterministic ECDSA. 685 */ 686 #define MBEDTLS_ECDSA_DETERMINISTIC 687 688 /** 689 * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 690 * 691 * Enable the PSK based ciphersuite modes in SSL / TLS. 692 * 693 * This enables the following ciphersuites (if other requisites are 694 * enabled as well): 695 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 696 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 697 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 698 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 699 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 700 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 701 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 702 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 703 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 704 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 705 */ 706 #define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 707 708 /** 709 * \def MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 710 * 711 * Enable the DHE-PSK based ciphersuite modes in SSL / TLS. 712 * 713 * Requires: MBEDTLS_DHM_C 714 * 715 * This enables the following ciphersuites (if other requisites are 716 * enabled as well): 717 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 718 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 719 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 720 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 721 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 722 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 723 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 724 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 725 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 726 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 727 * 728 * \warning Using DHE constitutes a security risk as it 729 * is not possible to validate custom DH parameters. 730 * If possible, it is recommended users should consider 731 * preferring other methods of key exchange. 732 * See dhm.h for more details. 733 * 734 */ 735 #define MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 736 737 /** 738 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 739 * 740 * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS. 741 * 742 * Requires: MBEDTLS_ECDH_C 743 * 744 * This enables the following ciphersuites (if other requisites are 745 * enabled as well): 746 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 747 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 748 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 749 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 750 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 751 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 752 */ 753 #define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 754 755 /** 756 * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 757 * 758 * Enable the RSA-PSK based ciphersuite modes in SSL / TLS. 759 * 760 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 761 * MBEDTLS_X509_CRT_PARSE_C 762 * 763 * This enables the following ciphersuites (if other requisites are 764 * enabled as well): 765 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 766 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 767 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 768 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 769 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 770 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 771 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 772 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 773 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 774 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 775 */ 776 #define MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 777 778 /** 779 * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 780 * 781 * Enable the RSA-only based ciphersuite modes in SSL / TLS. 782 * 783 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 784 * MBEDTLS_X509_CRT_PARSE_C 785 * 786 * This enables the following ciphersuites (if other requisites are 787 * enabled as well): 788 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 789 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 790 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 791 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 792 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 793 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 794 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 795 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 796 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 797 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 798 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 799 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 800 */ 801 #define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 802 803 /** 804 * \def MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 805 * 806 * Enable the DHE-RSA based ciphersuite modes in SSL / TLS. 807 * 808 * Requires: MBEDTLS_DHM_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 809 * MBEDTLS_X509_CRT_PARSE_C 810 * 811 * This enables the following ciphersuites (if other requisites are 812 * enabled as well): 813 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 814 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 815 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 816 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 817 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 818 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 819 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 820 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 821 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 822 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 823 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 824 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 825 * 826 * \warning Using DHE constitutes a security risk as it 827 * is not possible to validate custom DH parameters. 828 * If possible, it is recommended users should consider 829 * preferring other methods of key exchange. 830 * See dhm.h for more details. 831 * 832 */ 833 #define MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 834 835 /** 836 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 837 * 838 * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS. 839 * 840 * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 841 * MBEDTLS_X509_CRT_PARSE_C 842 * 843 * This enables the following ciphersuites (if other requisites are 844 * enabled as well): 845 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 846 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 847 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 848 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 849 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 850 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 851 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 852 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 853 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 854 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 855 */ 856 #define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 857 858 /** 859 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 860 * 861 * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS. 862 * 863 * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C, 864 * 865 * This enables the following ciphersuites (if other requisites are 866 * enabled as well): 867 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 868 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 869 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 870 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 871 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 872 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 873 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 874 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 875 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 876 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 877 */ 878 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 879 880 /** 881 * \def MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 882 * 883 * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS. 884 * 885 * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C 886 * 887 * This enables the following ciphersuites (if other requisites are 888 * enabled as well): 889 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 890 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 891 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 892 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 893 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 894 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 895 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 896 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 897 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 898 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 899 */ 900 #define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 901 902 /** 903 * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 904 * 905 * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS. 906 * 907 * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_X509_CRT_PARSE_C 908 * 909 * This enables the following ciphersuites (if other requisites are 910 * enabled as well): 911 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 912 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 913 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 914 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 915 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 916 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 917 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 918 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 919 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 920 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 921 */ 922 #define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 923 924 /** 925 * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 926 * 927 * Enable the ECJPAKE based ciphersuite modes in SSL / TLS. 928 * 929 * \warning This is currently experimental. EC J-PAKE support is based on the 930 * Thread v1.0.0 specification; incompatible changes to the specification 931 * might still happen. For this reason, this is disabled by default. 932 * 933 * Requires: MBEDTLS_ECJPAKE_C 934 * MBEDTLS_SHA256_C 935 * MBEDTLS_ECP_DP_SECP256R1_ENABLED 936 * 937 * This enables the following ciphersuites (if other requisites are 938 * enabled as well): 939 * MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8 940 */ 941 //#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 942 943 /** 944 * \def MBEDTLS_PK_PARSE_EC_EXTENDED 945 * 946 * Enhance support for reading EC keys using variants of SEC1 not allowed by 947 * RFC 5915 and RFC 5480. 948 * 949 * Currently this means parsing the SpecifiedECDomain choice of EC 950 * parameters (only known groups are supported, not arbitrary domains, to 951 * avoid validation issues). 952 * 953 * Disable if you only need to support RFC 5915 + 5480 key formats. 954 */ 955 #define MBEDTLS_PK_PARSE_EC_EXTENDED 956 957 /** 958 * \def MBEDTLS_ERROR_STRERROR_DUMMY 959 * 960 * Enable a dummy error function to make use of mbedtls_strerror() in 961 * third party libraries easier when MBEDTLS_ERROR_C is disabled 962 * (no effect when MBEDTLS_ERROR_C is enabled). 963 * 964 * You can safely disable this if MBEDTLS_ERROR_C is enabled, or if you're 965 * not using mbedtls_strerror() or error_strerror() in your application. 966 * 967 * Disable if you run into name conflicts and want to really remove the 968 * mbedtls_strerror() 969 */ 970 #define MBEDTLS_ERROR_STRERROR_DUMMY 971 972 /** 973 * \def MBEDTLS_GENPRIME 974 * 975 * Enable the prime-number generation code. 976 * 977 * Requires: MBEDTLS_BIGNUM_C 978 */ 979 #define MBEDTLS_GENPRIME 980 981 /** 982 * \def MBEDTLS_FS_IO 983 * 984 * Enable functions that use the filesystem. 985 */ 986 #define MBEDTLS_FS_IO 987 988 /** 989 * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 990 * 991 * Do not add default entropy sources in mbedtls_entropy_init(). 992 * 993 * This is useful to have more control over the added entropy sources in an 994 * application. 995 * 996 * Uncomment this macro to prevent loading of default entropy functions. 997 */ 998 //#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 999 1000 /** 1001 * \def MBEDTLS_NO_PLATFORM_ENTROPY 1002 * 1003 * Do not use built-in platform entropy functions. 1004 * This is useful if your platform does not support 1005 * standards like the /dev/urandom or Windows CryptoAPI. 1006 * 1007 * Uncomment this macro to disable the built-in platform entropy functions. 1008 */ 1009 //#define MBEDTLS_NO_PLATFORM_ENTROPY 1010 1011 /** 1012 * \def MBEDTLS_ENTROPY_FORCE_SHA256 1013 * 1014 * Force the entropy accumulator to use a SHA-256 accumulator instead of the 1015 * default SHA-512 based one (if both are available). 1016 * 1017 * Requires: MBEDTLS_SHA256_C 1018 * 1019 * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option 1020 * if you have performance concerns. 1021 * 1022 * This option is only useful if both MBEDTLS_SHA256_C and 1023 * MBEDTLS_SHA512_C are defined. Otherwise the available hash module is used. 1024 */ 1025 //#define MBEDTLS_ENTROPY_FORCE_SHA256 1026 1027 /** 1028 * \def MBEDTLS_ENTROPY_NV_SEED 1029 * 1030 * Enable the non-volatile (NV) seed file-based entropy source. 1031 * (Also enables the NV seed read/write functions in the platform layer) 1032 * 1033 * This is crucial (if not required) on systems that do not have a 1034 * cryptographic entropy source (in hardware or kernel) available. 1035 * 1036 * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C 1037 * 1038 * \note The read/write functions that are used by the entropy source are 1039 * determined in the platform layer, and can be modified at runtime and/or 1040 * compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used. 1041 * 1042 * \note If you use the default implementation functions that read a seedfile 1043 * with regular fopen(), please make sure you make a seedfile with the 1044 * proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at 1045 * least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from 1046 * and written to or you will get an entropy source error! The default 1047 * implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE 1048 * bytes from the file. 1049 * 1050 * \note The entropy collector will write to the seed file before entropy is 1051 * given to an external source, to update it. 1052 */ 1053 //#define MBEDTLS_ENTROPY_NV_SEED 1054 1055 /* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER 1056 * 1057 * Enable key identifiers that encode a key owner identifier. 1058 * 1059 * The owner of a key is identified by a value of type ::mbedtls_key_owner_id_t 1060 * which is currently hard-coded to be int32_t. 1061 * 1062 * Note that this option is meant for internal use only and may be removed 1063 * without notice. It is incompatible with MBEDTLS_USE_PSA_CRYPTO. 1064 */ 1065 //#define MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER 1066 1067 /** 1068 * \def MBEDTLS_MEMORY_DEBUG 1069 * 1070 * Enable debugging of buffer allocator memory issues. Automatically prints 1071 * (to stderr) all (fatal) messages on memory allocation issues. Enables 1072 * function for 'debug output' of allocated memory. 1073 * 1074 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1075 * 1076 * Uncomment this macro to let the buffer allocator print out error messages. 1077 */ 1078 //#define MBEDTLS_MEMORY_DEBUG 1079 1080 /** 1081 * \def MBEDTLS_MEMORY_BACKTRACE 1082 * 1083 * Include backtrace information with each allocated block. 1084 * 1085 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1086 * GLIBC-compatible backtrace() an backtrace_symbols() support 1087 * 1088 * Uncomment this macro to include backtrace information 1089 */ 1090 //#define MBEDTLS_MEMORY_BACKTRACE 1091 1092 /** 1093 * \def MBEDTLS_PK_RSA_ALT_SUPPORT 1094 * 1095 * Support external private RSA keys (eg from a HSM) in the PK layer. 1096 * 1097 * Comment this macro to disable support for external private RSA keys. 1098 */ 1099 #define MBEDTLS_PK_RSA_ALT_SUPPORT 1100 1101 /** 1102 * \def MBEDTLS_PKCS1_V15 1103 * 1104 * Enable support for PKCS#1 v1.5 encoding. 1105 * 1106 * Requires: MBEDTLS_RSA_C 1107 * 1108 * This enables support for PKCS#1 v1.5 operations. 1109 */ 1110 #define MBEDTLS_PKCS1_V15 1111 1112 /** 1113 * \def MBEDTLS_PKCS1_V21 1114 * 1115 * Enable support for PKCS#1 v2.1 encoding. 1116 * 1117 * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C 1118 * 1119 * This enables support for RSAES-OAEP and RSASSA-PSS operations. 1120 */ 1121 #define MBEDTLS_PKCS1_V21 1122 1123 /** \def MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS 1124 * 1125 * Enable support for platform built-in keys. If you enable this feature, 1126 * you must implement the function mbedtls_psa_platform_get_builtin_key(). 1127 * See the documentation of that function for more information. 1128 * 1129 * Built-in keys are typically derived from a hardware unique key or 1130 * stored in a secure element. 1131 * 1132 * Requires: MBEDTLS_PSA_CRYPTO_C. 1133 * 1134 * \warning This interface is experimental and may change or be removed 1135 * without notice. 1136 */ 1137 //#define MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS 1138 1139 /** \def MBEDTLS_PSA_CRYPTO_CLIENT 1140 * 1141 * Enable support for PSA crypto client. 1142 * 1143 * \note This option allows to include the code necessary for a PSA 1144 * crypto client when the PSA crypto implementation is not included in 1145 * the library (MBEDTLS_PSA_CRYPTO_C disabled). The code included is the 1146 * code to set and get PSA key attributes. 1147 * The development of PSA drivers partially relying on the library to 1148 * fulfill the hardware gaps is another possible usage of this option. 1149 * 1150 * \warning This interface is experimental and may change or be removed 1151 * without notice. 1152 */ 1153 //#define MBEDTLS_PSA_CRYPTO_CLIENT 1154 1155 /** \def MBEDTLS_PSA_CRYPTO_DRIVERS 1156 * 1157 * Enable support for the experimental PSA crypto driver interface. 1158 * 1159 * Requires: MBEDTLS_PSA_CRYPTO_C 1160 * 1161 * \warning This interface is experimental and may change or be removed 1162 * without notice. 1163 */ 1164 //#define MBEDTLS_PSA_CRYPTO_DRIVERS 1165 1166 /** \def MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG 1167 * 1168 * Make the PSA Crypto module use an external random generator provided 1169 * by a driver, instead of Mbed TLS's entropy and DRBG modules. 1170 * 1171 * \note This random generator must deliver random numbers with cryptographic 1172 * quality and high performance. It must supply unpredictable numbers 1173 * with a uniform distribution. The implementation of this function 1174 * is responsible for ensuring that the random generator is seeded 1175 * with sufficient entropy. If you have a hardware TRNG which is slow 1176 * or delivers non-uniform output, declare it as an entropy source 1177 * with mbedtls_entropy_add_source() instead of enabling this option. 1178 * 1179 * If you enable this option, you must configure the type 1180 * ::mbedtls_psa_external_random_context_t in psa/crypto_platform.h 1181 * and define a function called mbedtls_psa_external_get_random() 1182 * with the following prototype: 1183 * ``` 1184 * psa_status_t mbedtls_psa_external_get_random( 1185 * mbedtls_psa_external_random_context_t *context, 1186 * uint8_t *output, size_t output_size, size_t *output_length); 1187 * ); 1188 * ``` 1189 * The \c context value is initialized to 0 before the first call. 1190 * The function must fill the \c output buffer with \p output_size bytes 1191 * of random data and set \c *output_length to \p output_size. 1192 * 1193 * Requires: MBEDTLS_PSA_CRYPTO_C 1194 * 1195 * \warning If you enable this option, code that uses the PSA cryptography 1196 * interface will not use any of the entropy sources set up for 1197 * the entropy module, nor the NV seed that MBEDTLS_ENTROPY_NV_SEED 1198 * enables. 1199 * 1200 * \note This option is experimental and may be removed without notice. 1201 */ 1202 //#define MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG 1203 1204 /** 1205 * \def MBEDTLS_PSA_CRYPTO_SPM 1206 * 1207 * When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is built for SPM (Secure 1208 * Partition Manager) integration which separates the code into two parts: a 1209 * NSPE (Non-Secure Process Environment) and an SPE (Secure Process 1210 * Environment). 1211 * 1212 * Module: library/psa_crypto.c 1213 * Requires: MBEDTLS_PSA_CRYPTO_C 1214 * 1215 */ 1216 //#define MBEDTLS_PSA_CRYPTO_SPM 1217 1218 /** 1219 * \def MBEDTLS_PSA_INJECT_ENTROPY 1220 * 1221 * Enable support for entropy injection at first boot. This feature is 1222 * required on systems that do not have a built-in entropy source (TRNG). 1223 * This feature is currently not supported on systems that have a built-in 1224 * entropy source. 1225 * 1226 * Requires: MBEDTLS_PSA_CRYPTO_STORAGE_C, MBEDTLS_ENTROPY_NV_SEED 1227 * 1228 */ 1229 //#define MBEDTLS_PSA_INJECT_ENTROPY 1230 1231 /** 1232 * \def MBEDTLS_RSA_NO_CRT 1233 * 1234 * Do not use the Chinese Remainder Theorem 1235 * for the RSA private operation. 1236 * 1237 * Uncomment this macro to disable the use of CRT in RSA. 1238 * 1239 */ 1240 //#define MBEDTLS_RSA_NO_CRT 1241 1242 /** 1243 * \def MBEDTLS_SELF_TEST 1244 * 1245 * Enable the checkup functions (*_self_test). 1246 */ 1247 #define MBEDTLS_SELF_TEST 1248 1249 /** 1250 * \def MBEDTLS_SHA256_SMALLER 1251 * 1252 * Enable an implementation of SHA-256 that has lower ROM footprint but also 1253 * lower performance. 1254 * 1255 * The default implementation is meant to be a reasonnable compromise between 1256 * performance and size. This version optimizes more aggressively for size at 1257 * the expense of performance. Eg on Cortex-M4 it reduces the size of 1258 * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about 1259 * 30%. 1260 * 1261 * Uncomment to enable the smaller implementation of SHA256. 1262 */ 1263 //#define MBEDTLS_SHA256_SMALLER 1264 1265 /** 1266 * \def MBEDTLS_SHA512_SMALLER 1267 * 1268 * Enable an implementation of SHA-512 that has lower ROM footprint but also 1269 * lower performance. 1270 * 1271 * Uncomment to enable the smaller implementation of SHA512. 1272 */ 1273 //#define MBEDTLS_SHA512_SMALLER 1274 1275 /** 1276 * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES 1277 * 1278 * Enable sending of alert messages in case of encountered errors as per RFC. 1279 * If you choose not to send the alert messages, mbed TLS can still communicate 1280 * with other servers, only debugging of failures is harder. 1281 * 1282 * The advantage of not sending alert messages, is that no information is given 1283 * about reasons for failures thus preventing adversaries of gaining intel. 1284 * 1285 * Enable sending of all alert messages 1286 */ 1287 #define MBEDTLS_SSL_ALL_ALERT_MESSAGES 1288 1289 /** 1290 * \def MBEDTLS_SSL_DTLS_CONNECTION_ID 1291 * 1292 * Enable support for the DTLS Connection ID extension 1293 * (version draft-ietf-tls-dtls-connection-id-05, 1294 * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05) 1295 * which allows to identify DTLS connections across changes 1296 * in the underlying transport. 1297 * 1298 * Setting this option enables the SSL APIs `mbedtls_ssl_set_cid()`, 1299 * `mbedtls_ssl_get_peer_cid()` and `mbedtls_ssl_conf_cid()`. 1300 * See the corresponding documentation for more information. 1301 * 1302 * \warning The Connection ID extension is still in draft state. 1303 * We make no stability promises for the availability 1304 * or the shape of the API controlled by this option. 1305 * 1306 * The maximum lengths of outgoing and incoming CIDs can be configured 1307 * through the options 1308 * - MBEDTLS_SSL_CID_OUT_LEN_MAX 1309 * - MBEDTLS_SSL_CID_IN_LEN_MAX. 1310 * 1311 * Requires: MBEDTLS_SSL_PROTO_DTLS 1312 * 1313 * Uncomment to enable the Connection ID extension. 1314 */ 1315 //#define MBEDTLS_SSL_DTLS_CONNECTION_ID 1316 1317 /** 1318 * \def MBEDTLS_SSL_ASYNC_PRIVATE 1319 * 1320 * Enable asynchronous external private key operations in SSL. This allows 1321 * you to configure an SSL connection to call an external cryptographic 1322 * module to perform private key operations instead of performing the 1323 * operation inside the library. 1324 * 1325 */ 1326 //#define MBEDTLS_SSL_ASYNC_PRIVATE 1327 1328 /** 1329 * \def MBEDTLS_SSL_CONTEXT_SERIALIZATION 1330 * 1331 * Enable serialization of the TLS context structures, through use of the 1332 * functions mbedtls_ssl_context_save() and mbedtls_ssl_context_load(). 1333 * 1334 * This pair of functions allows one side of a connection to serialize the 1335 * context associated with the connection, then free or re-use that context 1336 * while the serialized state is persisted elsewhere, and finally deserialize 1337 * that state to a live context for resuming read/write operations on the 1338 * connection. From a protocol perspective, the state of the connection is 1339 * unaffected, in particular this is entirely transparent to the peer. 1340 * 1341 * Note: this is distinct from TLS session resumption, which is part of the 1342 * protocol and fully visible by the peer. TLS session resumption enables 1343 * establishing new connections associated to a saved session with shorter, 1344 * lighter handshakes, while context serialization is a local optimization in 1345 * handling a single, potentially long-lived connection. 1346 * 1347 * Enabling these APIs makes some SSL structures larger, as 64 extra bytes are 1348 * saved after the handshake to allow for more efficient serialization, so if 1349 * you don't need this feature you'll save RAM by disabling it. 1350 * 1351 * Comment to disable the context serialization APIs. 1352 */ 1353 #define MBEDTLS_SSL_CONTEXT_SERIALIZATION 1354 1355 /** 1356 * \def MBEDTLS_SSL_DEBUG_ALL 1357 * 1358 * Enable the debug messages in SSL module for all issues. 1359 * Debug messages have been disabled in some places to prevent timing 1360 * attacks due to (unbalanced) debugging function calls. 1361 * 1362 * If you need all error reporting you should enable this during debugging, 1363 * but remove this for production servers that should log as well. 1364 * 1365 * Uncomment this macro to report all debug messages on errors introducing 1366 * a timing side-channel. 1367 * 1368 */ 1369 //#define MBEDTLS_SSL_DEBUG_ALL 1370 1371 /** \def MBEDTLS_SSL_ENCRYPT_THEN_MAC 1372 * 1373 * Enable support for Encrypt-then-MAC, RFC 7366. 1374 * 1375 * This allows peers that both support it to use a more robust protection for 1376 * ciphersuites using CBC, providing deep resistance against timing attacks 1377 * on the padding or underlying cipher. 1378 * 1379 * This only affects CBC ciphersuites, and is useless if none is defined. 1380 * 1381 * Requires: MBEDTLS_SSL_PROTO_TLS1_2 1382 * 1383 * Comment this macro to disable support for Encrypt-then-MAC 1384 */ 1385 #define MBEDTLS_SSL_ENCRYPT_THEN_MAC 1386 1387 /** \def MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1388 * 1389 * Enable support for RFC 7627: Session Hash and Extended Master Secret 1390 * Extension. 1391 * 1392 * This was introduced as "the proper fix" to the Triple Handshake familiy of 1393 * attacks, but it is recommended to always use it (even if you disable 1394 * renegotiation), since it actually fixes a more fundamental issue in the 1395 * original SSL/TLS design, and has implications beyond Triple Handshake. 1396 * 1397 * Requires: MBEDTLS_SSL_PROTO_TLS1_2 1398 * 1399 * Comment this macro to disable support for Extended Master Secret. 1400 */ 1401 #define MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1402 1403 /** 1404 * \def MBEDTLS_SSL_KEEP_PEER_CERTIFICATE 1405 * 1406 * This option controls the availability of the API mbedtls_ssl_get_peer_cert() 1407 * giving access to the peer's certificate after completion of the handshake. 1408 * 1409 * Unless you need mbedtls_ssl_peer_cert() in your application, it is 1410 * recommended to disable this option for reduced RAM usage. 1411 * 1412 * \note If this option is disabled, mbedtls_ssl_get_peer_cert() is still 1413 * defined, but always returns \c NULL. 1414 * 1415 * \note This option has no influence on the protection against the 1416 * triple handshake attack. Even if it is disabled, Mbed TLS will 1417 * still ensure that certificates do not change during renegotiation, 1418 * for exaple by keeping a hash of the peer's certificate. 1419 * 1420 * Comment this macro to disable storing the peer's certificate 1421 * after the handshake. 1422 */ 1423 #define MBEDTLS_SSL_KEEP_PEER_CERTIFICATE 1424 1425 /** 1426 * \def MBEDTLS_SSL_RENEGOTIATION 1427 * 1428 * Enable support for TLS renegotiation. 1429 * 1430 * The two main uses of renegotiation are (1) refresh keys on long-lived 1431 * connections and (2) client authentication after the initial handshake. 1432 * If you don't need renegotiation, it's probably better to disable it, since 1433 * it has been associated with security issues in the past and is easy to 1434 * misuse/misunderstand. 1435 * 1436 * Comment this to disable support for renegotiation. 1437 * 1438 * \note Even if this option is disabled, both client and server are aware 1439 * of the Renegotiation Indication Extension (RFC 5746) used to 1440 * prevent the SSL renegotiation attack (see RFC 5746 Sect. 1). 1441 * (See \c mbedtls_ssl_conf_legacy_renegotiation for the 1442 * configuration of this extension). 1443 * 1444 */ 1445 #define MBEDTLS_SSL_RENEGOTIATION 1446 1447 /** 1448 * \def MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1449 * 1450 * Enable support for RFC 6066 max_fragment_length extension in SSL. 1451 * 1452 * Comment this macro to disable support for the max_fragment_length extension 1453 */ 1454 #define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1455 1456 /** 1457 * \def MBEDTLS_SSL_PROTO_TLS1_2 1458 * 1459 * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled). 1460 * 1461 * Requires: MBEDTLS_SHA1_C or MBEDTLS_SHA256_C or MBEDTLS_SHA512_C 1462 * (Depends on ciphersuites) 1463 * 1464 * Comment this macro to disable support for TLS 1.2 / DTLS 1.2 1465 */ 1466 #define MBEDTLS_SSL_PROTO_TLS1_2 1467 1468 /** 1469 * \def MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL 1470 * 1471 * This macro is used to selectively enable experimental parts 1472 * of the code that contribute to the ongoing development of 1473 * the prototype TLS 1.3 and DTLS 1.3 implementation, and provide 1474 * no other purpose. 1475 * 1476 * \warning TLS 1.3 and DTLS 1.3 aren't yet supported in Mbed TLS, 1477 * and no feature exposed through this macro is part of the 1478 * public API. In particular, features under the control 1479 * of this macro are experimental and don't come with any 1480 * stability guarantees. 1481 * 1482 * Uncomment this macro to enable experimental and partial 1483 * functionality specific to TLS 1.3. 1484 */ 1485 //#define MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL 1486 1487 /** 1488 * \def MBEDTLS_SSL_PROTO_DTLS 1489 * 1490 * Enable support for DTLS (all available versions). 1491 * 1492 * Enable this and MBEDTLS_SSL_PROTO_TLS1_2 to enable DTLS 1.2. 1493 * 1494 * Requires: MBEDTLS_SSL_PROTO_TLS1_2 1495 * 1496 * Comment this macro to disable support for DTLS 1497 */ 1498 #define MBEDTLS_SSL_PROTO_DTLS 1499 1500 /** 1501 * \def MBEDTLS_SSL_ALPN 1502 * 1503 * Enable support for RFC 7301 Application Layer Protocol Negotiation. 1504 * 1505 * Comment this macro to disable support for ALPN. 1506 */ 1507 #define MBEDTLS_SSL_ALPN 1508 1509 /** 1510 * \def MBEDTLS_SSL_DTLS_ANTI_REPLAY 1511 * 1512 * Enable support for the anti-replay mechanism in DTLS. 1513 * 1514 * Requires: MBEDTLS_SSL_TLS_C 1515 * MBEDTLS_SSL_PROTO_DTLS 1516 * 1517 * \warning Disabling this is often a security risk! 1518 * See mbedtls_ssl_conf_dtls_anti_replay() for details. 1519 * 1520 * Comment this to disable anti-replay in DTLS. 1521 */ 1522 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY 1523 1524 /** 1525 * \def MBEDTLS_SSL_DTLS_HELLO_VERIFY 1526 * 1527 * Enable support for HelloVerifyRequest on DTLS servers. 1528 * 1529 * This feature is highly recommended to prevent DTLS servers being used as 1530 * amplifiers in DoS attacks against other hosts. It should always be enabled 1531 * unless you know for sure amplification cannot be a problem in the 1532 * environment in which your server operates. 1533 * 1534 * \warning Disabling this can ba a security risk! (see above) 1535 * 1536 * Requires: MBEDTLS_SSL_PROTO_DTLS 1537 * 1538 * Comment this to disable support for HelloVerifyRequest. 1539 */ 1540 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY 1541 1542 /** 1543 * \def MBEDTLS_SSL_DTLS_SRTP 1544 * 1545 * Enable support for negotiation of DTLS-SRTP (RFC 5764) 1546 * through the use_srtp extension. 1547 * 1548 * \note This feature provides the minimum functionality required 1549 * to negotiate the use of DTLS-SRTP and to allow the derivation of 1550 * the associated SRTP packet protection key material. 1551 * In particular, the SRTP packet protection itself, as well as the 1552 * demultiplexing of RTP and DTLS packets at the datagram layer 1553 * (see Section 5 of RFC 5764), are not handled by this feature. 1554 * Instead, after successful completion of a handshake negotiating 1555 * the use of DTLS-SRTP, the extended key exporter API 1556 * mbedtls_ssl_conf_export_keys_cb() should be used to implement 1557 * the key exporter described in Section 4.2 of RFC 5764 and RFC 5705 1558 * (this is implemented in the SSL example programs). 1559 * The resulting key should then be passed to an SRTP stack. 1560 * 1561 * Setting this option enables the runtime API 1562 * mbedtls_ssl_conf_dtls_srtp_protection_profiles() 1563 * through which the supported DTLS-SRTP protection 1564 * profiles can be configured. You must call this API at 1565 * runtime if you wish to negotiate the use of DTLS-SRTP. 1566 * 1567 * Requires: MBEDTLS_SSL_PROTO_DTLS 1568 * 1569 * Uncomment this to enable support for use_srtp extension. 1570 */ 1571 //#define MBEDTLS_SSL_DTLS_SRTP 1572 1573 /** 1574 * \def MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1575 * 1576 * Enable server-side support for clients that reconnect from the same port. 1577 * 1578 * Some clients unexpectedly close the connection and try to reconnect using the 1579 * same source port. This needs special support from the server to handle the 1580 * new connection securely, as described in section 4.2.8 of RFC 6347. This 1581 * flag enables that support. 1582 * 1583 * Requires: MBEDTLS_SSL_DTLS_HELLO_VERIFY 1584 * 1585 * Comment this to disable support for clients reusing the source port. 1586 */ 1587 #define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1588 1589 /** 1590 * \def MBEDTLS_SSL_SESSION_TICKETS 1591 * 1592 * Enable support for RFC 5077 session tickets in SSL. 1593 * Client-side, provides full support for session tickets (maintenance of a 1594 * session store remains the responsibility of the application, though). 1595 * Server-side, you also need to provide callbacks for writing and parsing 1596 * tickets, including authenticated encryption and key management. Example 1597 * callbacks are provided by MBEDTLS_SSL_TICKET_C. 1598 * 1599 * Comment this macro to disable support for SSL session tickets 1600 */ 1601 #define MBEDTLS_SSL_SESSION_TICKETS 1602 1603 /** 1604 * \def MBEDTLS_SSL_EXPORT_KEYS 1605 * 1606 * Enable support for exporting key block and master secret. 1607 * This is required for certain users of TLS, e.g. EAP-TLS. 1608 * 1609 * Comment this macro to disable support for key export 1610 */ 1611 #define MBEDTLS_SSL_EXPORT_KEYS 1612 1613 /** 1614 * \def MBEDTLS_SSL_SERVER_NAME_INDICATION 1615 * 1616 * Enable support for RFC 6066 server name indication (SNI) in SSL. 1617 * 1618 * Requires: MBEDTLS_X509_CRT_PARSE_C 1619 * 1620 * Comment this macro to disable support for server name indication in SSL 1621 */ 1622 #define MBEDTLS_SSL_SERVER_NAME_INDICATION 1623 1624 /** 1625 * \def MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH 1626 * 1627 * When this option is enabled, the SSL buffer will be resized automatically 1628 * based on the negotiated maximum fragment length in each direction. 1629 * 1630 * Requires: MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1631 */ 1632 //#define MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH 1633 1634 /** 1635 * \def MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN 1636 * 1637 * Enable testing of the constant-flow nature of some sensitive functions with 1638 * clang's MemorySanitizer. This causes some existing tests to also test 1639 * this non-functional property of the code under test. 1640 * 1641 * This setting requires compiling with clang -fsanitize=memory. The test 1642 * suites can then be run normally. 1643 * 1644 * \warning This macro is only used for extended testing; it is not considered 1645 * part of the library's API, so it may change or disappear at any time. 1646 * 1647 * Uncomment to enable testing of the constant-flow nature of selected code. 1648 */ 1649 //#define MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN 1650 1651 /** 1652 * \def MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND 1653 * 1654 * Enable testing of the constant-flow nature of some sensitive functions with 1655 * valgrind's memcheck tool. This causes some existing tests to also test 1656 * this non-functional property of the code under test. 1657 * 1658 * This setting requires valgrind headers for building, and is only useful for 1659 * testing if the tests suites are run with valgrind's memcheck. This can be 1660 * done for an individual test suite with 'valgrind ./test_suite_xxx', or when 1661 * using CMake, this can be done for all test suites with 'make memcheck'. 1662 * 1663 * \warning This macro is only used for extended testing; it is not considered 1664 * part of the library's API, so it may change or disappear at any time. 1665 * 1666 * Uncomment to enable testing of the constant-flow nature of selected code. 1667 */ 1668 //#define MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND 1669 1670 /** 1671 * \def MBEDTLS_TEST_HOOKS 1672 * 1673 * Enable features for invasive testing such as introspection functions and 1674 * hooks for fault injection. This enables additional unit tests. 1675 * 1676 * Merely enabling this feature should not change the behavior of the product. 1677 * It only adds new code, and new branching points where the default behavior 1678 * is the same as when this feature is disabled. 1679 * However, this feature increases the attack surface: there is an added 1680 * risk of vulnerabilities, and more gadgets that can make exploits easier. 1681 * Therefore this feature must never be enabled in production. 1682 * 1683 * See `docs/architecture/testing/mbed-crypto-invasive-testing.md` for more 1684 * information. 1685 * 1686 * Uncomment to enable invasive tests. 1687 */ 1688 //#define MBEDTLS_TEST_HOOKS 1689 1690 /** 1691 * \def MBEDTLS_THREADING_ALT 1692 * 1693 * Provide your own alternate threading implementation. 1694 * 1695 * Requires: MBEDTLS_THREADING_C 1696 * 1697 * Uncomment this to allow your own alternate threading implementation. 1698 */ 1699 //#define MBEDTLS_THREADING_ALT 1700 1701 /** 1702 * \def MBEDTLS_THREADING_PTHREAD 1703 * 1704 * Enable the pthread wrapper layer for the threading layer. 1705 * 1706 * Requires: MBEDTLS_THREADING_C 1707 * 1708 * Uncomment this to enable pthread mutexes. 1709 */ 1710 //#define MBEDTLS_THREADING_PTHREAD 1711 1712 /** 1713 * \def MBEDTLS_USE_PSA_CRYPTO 1714 * 1715 * Make the X.509 and TLS library use PSA for cryptographic operations, and 1716 * enable new APIs for using keys handled by PSA Crypto. 1717 * 1718 * \note Development of this option is currently in progress, and parts of Mbed 1719 * TLS's X.509 and TLS modules are not ported to PSA yet. However, these parts 1720 * will still continue to work as usual, so enabling this option should not 1721 * break backwards compatibility. 1722 * 1723 * \warning The PSA Crypto API is in beta stage. While you're welcome to 1724 * experiment using it, incompatible API changes are still possible, and some 1725 * parts may not have reached the same quality as the rest of Mbed TLS yet. 1726 * 1727 * \warning This option enables new Mbed TLS APIs that are dependent on the 1728 * PSA Crypto API, so can't come with the same stability guarantees as the 1729 * rest of the Mbed TLS APIs. You're welcome to experiment with them, but for 1730 * now, access to these APIs is opt-in (via enabling the present option), in 1731 * order to clearly differentiate them from the stable Mbed TLS APIs. 1732 * 1733 * Requires: MBEDTLS_PSA_CRYPTO_C. 1734 * 1735 * Uncomment this to enable internal use of PSA Crypto and new associated APIs. 1736 */ 1737 //#define MBEDTLS_USE_PSA_CRYPTO 1738 1739 /** 1740 * \def MBEDTLS_PSA_CRYPTO_CONFIG 1741 * 1742 * This setting allows support for cryptographic mechanisms through the PSA 1743 * API to be configured separately from support through the mbedtls API. 1744 * 1745 * Uncomment this to enable use of PSA Crypto configuration settings which 1746 * can be found in include/psa/crypto_config.h. 1747 * 1748 * This feature is still experimental and is not ready for production since 1749 * it is not completed. 1750 */ 1751 //#define MBEDTLS_PSA_CRYPTO_CONFIG 1752 1753 /** 1754 * \def MBEDTLS_VERSION_FEATURES 1755 * 1756 * Allow run-time checking of compile-time enabled features. Thus allowing users 1757 * to check at run-time if the library is for instance compiled with threading 1758 * support via mbedtls_version_check_feature(). 1759 * 1760 * Requires: MBEDTLS_VERSION_C 1761 * 1762 * Comment this to disable run-time checking and save ROM space 1763 */ 1764 #define MBEDTLS_VERSION_FEATURES 1765 1766 /** 1767 * \def MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK 1768 * 1769 * If set, this enables the X.509 API `mbedtls_x509_crt_verify_with_ca_cb()` 1770 * and the SSL API `mbedtls_ssl_conf_ca_cb()` which allow users to configure 1771 * the set of trusted certificates through a callback instead of a linked 1772 * list. 1773 * 1774 * This is useful for example in environments where a large number of trusted 1775 * certificates is present and storing them in a linked list isn't efficient 1776 * enough, or when the set of trusted certificates changes frequently. 1777 * 1778 * See the documentation of `mbedtls_x509_crt_verify_with_ca_cb()` and 1779 * `mbedtls_ssl_conf_ca_cb()` for more information. 1780 * 1781 * Uncomment to enable trusted certificate callbacks. 1782 */ 1783 //#define MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK 1784 1785 /** 1786 * \def MBEDTLS_X509_REMOVE_INFO 1787 * 1788 * Disable mbedtls_x509_*_info() and related APIs. 1789 * 1790 * Uncomment to omit mbedtls_x509_*_info(), as well as mbedtls_debug_print_crt() 1791 * and other functions/constants only used by these functions, thus reducing 1792 * the code footprint by several KB. 1793 */ 1794 //#define MBEDTLS_X509_REMOVE_INFO 1795 1796 /** 1797 * \def MBEDTLS_X509_RSASSA_PSS_SUPPORT 1798 * 1799 * Enable parsing and verification of X.509 certificates, CRLs and CSRS 1800 * signed with RSASSA-PSS (aka PKCS#1 v2.1). 1801 * 1802 * Comment this macro to disallow using RSASSA-PSS in certificates. 1803 */ 1804 #define MBEDTLS_X509_RSASSA_PSS_SUPPORT 1805 /* \} name SECTION: mbed TLS feature support */ 1806 1807 /** 1808 * \name SECTION: mbed TLS modules 1809 * 1810 * This section enables or disables entire modules in mbed TLS 1811 * \{ 1812 */ 1813 1814 /** 1815 * \def MBEDTLS_AESNI_C 1816 * 1817 * Enable AES-NI support on x86-64. 1818 * 1819 * Module: library/aesni.c 1820 * Caller: library/aes.c 1821 * 1822 * Requires: MBEDTLS_HAVE_ASM 1823 * 1824 * This modules adds support for the AES-NI instructions on x86-64 1825 */ 1826 #define MBEDTLS_AESNI_C 1827 1828 /** 1829 * \def MBEDTLS_AES_C 1830 * 1831 * Enable the AES block cipher. 1832 * 1833 * Module: library/aes.c 1834 * Caller: library/cipher.c 1835 * library/pem.c 1836 * library/ctr_drbg.c 1837 * 1838 * This module enables the following ciphersuites (if other requisites are 1839 * enabled as well): 1840 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 1841 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 1842 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 1843 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 1844 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 1845 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 1846 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 1847 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 1848 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 1849 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 1850 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 1851 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 1852 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 1853 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 1854 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 1855 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 1856 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 1857 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 1858 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 1859 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 1860 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 1861 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 1862 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 1863 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 1864 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 1865 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 1866 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 1867 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 1868 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 1869 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 1870 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 1871 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 1872 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 1873 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 1874 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 1875 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 1876 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 1877 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 1878 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 1879 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 1880 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 1881 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 1882 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 1883 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 1884 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 1885 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 1886 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 1887 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 1888 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 1889 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 1890 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 1891 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 1892 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 1893 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 1894 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 1895 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 1896 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 1897 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 1898 * 1899 * PEM_PARSE uses AES for decrypting encrypted keys. 1900 */ 1901 #define MBEDTLS_AES_C 1902 1903 /** 1904 * \def MBEDTLS_ASN1_PARSE_C 1905 * 1906 * Enable the generic ASN1 parser. 1907 * 1908 * Module: library/asn1.c 1909 * Caller: library/x509.c 1910 * library/dhm.c 1911 * library/pkcs12.c 1912 * library/pkcs5.c 1913 * library/pkparse.c 1914 */ 1915 #define MBEDTLS_ASN1_PARSE_C 1916 1917 /** 1918 * \def MBEDTLS_ASN1_WRITE_C 1919 * 1920 * Enable the generic ASN1 writer. 1921 * 1922 * Module: library/asn1write.c 1923 * Caller: library/ecdsa.c 1924 * library/pkwrite.c 1925 * library/x509_create.c 1926 * library/x509write_crt.c 1927 * library/x509write_csr.c 1928 */ 1929 #define MBEDTLS_ASN1_WRITE_C 1930 1931 /** 1932 * \def MBEDTLS_BASE64_C 1933 * 1934 * Enable the Base64 module. 1935 * 1936 * Module: library/base64.c 1937 * Caller: library/pem.c 1938 * 1939 * This module is required for PEM support (required by X.509). 1940 */ 1941 #define MBEDTLS_BASE64_C 1942 1943 /** 1944 * \def MBEDTLS_BIGNUM_C 1945 * 1946 * Enable the multi-precision integer library. 1947 * 1948 * Module: library/bignum.c 1949 * Caller: library/dhm.c 1950 * library/ecp.c 1951 * library/ecdsa.c 1952 * library/rsa.c 1953 * library/rsa_alt_helpers.c 1954 * library/ssl_tls.c 1955 * 1956 * This module is required for RSA, DHM and ECC (ECDH, ECDSA) support. 1957 */ 1958 #define MBEDTLS_BIGNUM_C 1959 1960 /** 1961 * \def MBEDTLS_CAMELLIA_C 1962 * 1963 * Enable the Camellia block cipher. 1964 * 1965 * Module: library/camellia.c 1966 * Caller: library/cipher.c 1967 * 1968 * This module enables the following ciphersuites (if other requisites are 1969 * enabled as well): 1970 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 1971 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 1972 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 1973 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 1974 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 1975 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 1976 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 1977 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 1978 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 1979 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 1980 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 1981 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 1982 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 1983 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 1984 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 1985 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 1986 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 1987 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 1988 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 1989 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 1990 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 1991 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 1992 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 1993 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 1994 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 1995 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 1996 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 1997 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 1998 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 1999 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 2000 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 2001 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 2002 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 2003 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 2004 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 2005 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 2006 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 2007 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 2008 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 2009 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 2010 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 2011 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 2012 */ 2013 #define MBEDTLS_CAMELLIA_C 2014 2015 /** 2016 * \def MBEDTLS_ARIA_C 2017 * 2018 * Enable the ARIA block cipher. 2019 * 2020 * Module: library/aria.c 2021 * Caller: library/cipher.c 2022 * 2023 * This module enables the following ciphersuites (if other requisites are 2024 * enabled as well): 2025 * 2026 * MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256 2027 * MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384 2028 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 2029 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 2030 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 2031 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 2032 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 2033 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 2034 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 2035 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 2036 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 2037 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 2038 * MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256 2039 * MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384 2040 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 2041 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384 2042 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 2043 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 2044 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 2045 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 2046 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 2047 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 2048 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 2049 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 2050 * MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256 2051 * MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384 2052 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 2053 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 2054 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 2055 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 2056 * MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256 2057 * MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384 2058 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 2059 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 2060 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 2061 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 2062 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 2063 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 2064 */ 2065 #define MBEDTLS_ARIA_C 2066 2067 /** 2068 * \def MBEDTLS_CCM_C 2069 * 2070 * Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher. 2071 * 2072 * Module: library/ccm.c 2073 * 2074 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C 2075 * 2076 * This module enables the AES-CCM ciphersuites, if other requisites are 2077 * enabled as well. 2078 */ 2079 #define MBEDTLS_CCM_C 2080 2081 /** 2082 * \def MBEDTLS_CHACHA20_C 2083 * 2084 * Enable the ChaCha20 stream cipher. 2085 * 2086 * Module: library/chacha20.c 2087 */ 2088 #define MBEDTLS_CHACHA20_C 2089 2090 /** 2091 * \def MBEDTLS_CHACHAPOLY_C 2092 * 2093 * Enable the ChaCha20-Poly1305 AEAD algorithm. 2094 * 2095 * Module: library/chachapoly.c 2096 * 2097 * This module requires: MBEDTLS_CHACHA20_C, MBEDTLS_POLY1305_C 2098 */ 2099 #define MBEDTLS_CHACHAPOLY_C 2100 2101 /** 2102 * \def MBEDTLS_CIPHER_C 2103 * 2104 * Enable the generic cipher layer. 2105 * 2106 * Module: library/cipher.c 2107 * Caller: library/ssl_tls.c 2108 * 2109 * Uncomment to enable generic cipher wrappers. 2110 */ 2111 #define MBEDTLS_CIPHER_C 2112 2113 /** 2114 * \def MBEDTLS_CMAC_C 2115 * 2116 * Enable the CMAC (Cipher-based Message Authentication Code) mode for block 2117 * ciphers. 2118 * 2119 * \note When #MBEDTLS_CMAC_ALT is active, meaning that the underlying 2120 * implementation of the CMAC algorithm is provided by an alternate 2121 * implementation, that alternate implementation may opt to not support 2122 * AES-192 or 3DES as underlying block ciphers for the CMAC operation. 2123 * 2124 * Module: library/cmac.c 2125 * 2126 * Requires: MBEDTLS_AES_C or MBEDTLS_DES_C 2127 * 2128 */ 2129 #define MBEDTLS_CMAC_C 2130 2131 /** 2132 * \def MBEDTLS_CTR_DRBG_C 2133 * 2134 * Enable the CTR_DRBG AES-based random generator. 2135 * The CTR_DRBG generator uses AES-256 by default. 2136 * To use AES-128 instead, enable \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY above. 2137 * 2138 * \note To achieve a 256-bit security strength with CTR_DRBG, 2139 * you must use AES-256 *and* use sufficient entropy. 2140 * See ctr_drbg.h for more details. 2141 * 2142 * Module: library/ctr_drbg.c 2143 * Caller: 2144 * 2145 * Requires: MBEDTLS_AES_C 2146 * 2147 * This module provides the CTR_DRBG AES random number generator. 2148 */ 2149 #define MBEDTLS_CTR_DRBG_C 2150 2151 /** 2152 * \def MBEDTLS_DEBUG_C 2153 * 2154 * Enable the debug functions. 2155 * 2156 * Module: library/debug.c 2157 * Caller: library/ssl_cli.c 2158 * library/ssl_srv.c 2159 * library/ssl_tls.c 2160 * 2161 * This module provides debugging functions. 2162 */ 2163 #define MBEDTLS_DEBUG_C 2164 2165 /** 2166 * \def MBEDTLS_DES_C 2167 * 2168 * Enable the DES block cipher. 2169 * 2170 * Module: library/des.c 2171 * Caller: library/pem.c 2172 * library/cipher.c 2173 * 2174 * PEM_PARSE uses DES/3DES for decrypting encrypted keys. 2175 * 2176 * \warning DES is considered a weak cipher and its use constitutes a 2177 * security risk. We recommend considering stronger ciphers instead. 2178 */ 2179 #define MBEDTLS_DES_C 2180 2181 /** 2182 * \def MBEDTLS_DHM_C 2183 * 2184 * Enable the Diffie-Hellman-Merkle module. 2185 * 2186 * Module: library/dhm.c 2187 * Caller: library/ssl_cli.c 2188 * library/ssl_srv.c 2189 * 2190 * This module is used by the following key exchanges: 2191 * DHE-RSA, DHE-PSK 2192 * 2193 * \warning Using DHE constitutes a security risk as it 2194 * is not possible to validate custom DH parameters. 2195 * If possible, it is recommended users should consider 2196 * preferring other methods of key exchange. 2197 * See dhm.h for more details. 2198 * 2199 */ 2200 #define MBEDTLS_DHM_C 2201 2202 /** 2203 * \def MBEDTLS_ECDH_C 2204 * 2205 * Enable the elliptic curve Diffie-Hellman library. 2206 * 2207 * Module: library/ecdh.c 2208 * Caller: library/ssl_cli.c 2209 * library/ssl_srv.c 2210 * 2211 * This module is used by the following key exchanges: 2212 * ECDHE-ECDSA, ECDHE-RSA, DHE-PSK 2213 * 2214 * Requires: MBEDTLS_ECP_C 2215 */ 2216 #define MBEDTLS_ECDH_C 2217 2218 /** 2219 * \def MBEDTLS_ECDSA_C 2220 * 2221 * Enable the elliptic curve DSA library. 2222 * 2223 * Module: library/ecdsa.c 2224 * Caller: 2225 * 2226 * This module is used by the following key exchanges: 2227 * ECDHE-ECDSA 2228 * 2229 * Requires: MBEDTLS_ECP_C, MBEDTLS_ASN1_WRITE_C, MBEDTLS_ASN1_PARSE_C, 2230 * and at least one MBEDTLS_ECP_DP_XXX_ENABLED for a 2231 * short Weierstrass curve. 2232 */ 2233 #define MBEDTLS_ECDSA_C 2234 2235 /** 2236 * \def MBEDTLS_ECJPAKE_C 2237 * 2238 * Enable the elliptic curve J-PAKE library. 2239 * 2240 * \note EC J-PAKE support is based on the Thread v1.0.0 specification. 2241 * It has not been reviewed for compliance with newer standards such as 2242 * Thread v1.1 or RFC 8236. 2243 * 2244 * Module: library/ecjpake.c 2245 * Caller: 2246 * 2247 * This module is used by the following key exchanges: 2248 * ECJPAKE 2249 * 2250 * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C 2251 */ 2252 #define MBEDTLS_ECJPAKE_C 2253 2254 /** 2255 * \def MBEDTLS_ECP_C 2256 * 2257 * Enable the elliptic curve over GF(p) library. 2258 * 2259 * Module: library/ecp.c 2260 * Caller: library/ecdh.c 2261 * library/ecdsa.c 2262 * library/ecjpake.c 2263 * 2264 * Requires: MBEDTLS_BIGNUM_C and at least one MBEDTLS_ECP_DP_XXX_ENABLED 2265 */ 2266 #define MBEDTLS_ECP_C 2267 2268 /** 2269 * \def MBEDTLS_ENTROPY_C 2270 * 2271 * Enable the platform-specific entropy code. 2272 * 2273 * Module: library/entropy.c 2274 * Caller: 2275 * 2276 * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C 2277 * 2278 * This module provides a generic entropy pool 2279 */ 2280 #define MBEDTLS_ENTROPY_C 2281 2282 /** 2283 * \def MBEDTLS_ERROR_C 2284 * 2285 * Enable error code to error string conversion. 2286 * 2287 * Module: library/error.c 2288 * Caller: 2289 * 2290 * This module enables mbedtls_strerror(). 2291 */ 2292 #define MBEDTLS_ERROR_C 2293 2294 /** 2295 * \def MBEDTLS_GCM_C 2296 * 2297 * Enable the Galois/Counter Mode (GCM). 2298 * 2299 * Module: library/gcm.c 2300 * 2301 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C or MBEDTLS_ARIA_C 2302 * 2303 * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other 2304 * requisites are enabled as well. 2305 */ 2306 #define MBEDTLS_GCM_C 2307 2308 /** 2309 * \def MBEDTLS_HKDF_C 2310 * 2311 * Enable the HKDF algorithm (RFC 5869). 2312 * 2313 * Module: library/hkdf.c 2314 * Caller: 2315 * 2316 * Requires: MBEDTLS_MD_C 2317 * 2318 * This module adds support for the Hashed Message Authentication Code 2319 * (HMAC)-based key derivation function (HKDF). 2320 */ 2321 #define MBEDTLS_HKDF_C 2322 2323 /** 2324 * \def MBEDTLS_HMAC_DRBG_C 2325 * 2326 * Enable the HMAC_DRBG random generator. 2327 * 2328 * Module: library/hmac_drbg.c 2329 * Caller: 2330 * 2331 * Requires: MBEDTLS_MD_C 2332 * 2333 * Uncomment to enable the HMAC_DRBG random number geerator. 2334 */ 2335 #define MBEDTLS_HMAC_DRBG_C 2336 2337 /** 2338 * \def MBEDTLS_NIST_KW_C 2339 * 2340 * Enable the Key Wrapping mode for 128-bit block ciphers, 2341 * as defined in NIST SP 800-38F. Only KW and KWP modes 2342 * are supported. At the moment, only AES is approved by NIST. 2343 * 2344 * Module: library/nist_kw.c 2345 * 2346 * Requires: MBEDTLS_AES_C and MBEDTLS_CIPHER_C 2347 */ 2348 #define MBEDTLS_NIST_KW_C 2349 2350 /** 2351 * \def MBEDTLS_MD_C 2352 * 2353 * Enable the generic message digest layer. 2354 * 2355 * Module: library/md.c 2356 * Caller: 2357 * 2358 * Uncomment to enable generic message digest wrappers. 2359 */ 2360 #define MBEDTLS_MD_C 2361 2362 /** 2363 * \def MBEDTLS_MD5_C 2364 * 2365 * Enable the MD5 hash algorithm. 2366 * 2367 * Module: library/md5.c 2368 * Caller: library/md.c 2369 * library/pem.c 2370 * library/ssl_tls.c 2371 * 2372 * This module is required for TLS 1.2 depending on the handshake parameters. 2373 * Further, it is used for checking MD5-signed certificates, and for PBKDF1 2374 * when decrypting PEM-encoded encrypted keys. 2375 * 2376 * \warning MD5 is considered a weak message digest and its use constitutes a 2377 * security risk. If possible, we recommend avoiding dependencies on 2378 * it, and considering stronger message digests instead. 2379 * 2380 */ 2381 #define MBEDTLS_MD5_C 2382 2383 /** 2384 * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C 2385 * 2386 * Enable the buffer allocator implementation that makes use of a (stack) 2387 * based buffer to 'allocate' dynamic memory. (replaces calloc() and free() 2388 * calls) 2389 * 2390 * Module: library/memory_buffer_alloc.c 2391 * 2392 * Requires: MBEDTLS_PLATFORM_C 2393 * MBEDTLS_PLATFORM_MEMORY (to use it within mbed TLS) 2394 * 2395 * Enable this module to enable the buffer memory allocator. 2396 */ 2397 #define MBEDTLS_MEMORY_BUFFER_ALLOC_C 2398 2399 /** 2400 * \def MBEDTLS_NET_C 2401 * 2402 * Enable the TCP and UDP over IPv6/IPv4 networking routines. 2403 * 2404 * \note This module only works on POSIX/Unix (including Linux, BSD and OS X) 2405 * and Windows. For other platforms, you'll want to disable it, and write your 2406 * own networking callbacks to be passed to \c mbedtls_ssl_set_bio(). 2407 * 2408 * \note See also our Knowledge Base article about porting to a new 2409 * environment: 2410 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 2411 * 2412 * Module: library/net_sockets.c 2413 * 2414 * This module provides networking routines. 2415 */ 2416 #define MBEDTLS_NET_C 2417 2418 /** 2419 * \def MBEDTLS_OID_C 2420 * 2421 * Enable the OID database. 2422 * 2423 * Module: library/oid.c 2424 * Caller: library/asn1write.c 2425 * library/pkcs5.c 2426 * library/pkparse.c 2427 * library/pkwrite.c 2428 * library/rsa.c 2429 * library/x509.c 2430 * library/x509_create.c 2431 * library/x509_crl.c 2432 * library/x509_crt.c 2433 * library/x509_csr.c 2434 * library/x509write_crt.c 2435 * library/x509write_csr.c 2436 * 2437 * This modules translates between OIDs and internal values. 2438 */ 2439 #define MBEDTLS_OID_C 2440 2441 /** 2442 * \def MBEDTLS_PADLOCK_C 2443 * 2444 * Enable VIA Padlock support on x86. 2445 * 2446 * Module: library/padlock.c 2447 * Caller: library/aes.c 2448 * 2449 * Requires: MBEDTLS_HAVE_ASM 2450 * 2451 * This modules adds support for the VIA PadLock on x86. 2452 */ 2453 #define MBEDTLS_PADLOCK_C 2454 2455 /** 2456 * \def MBEDTLS_PEM_PARSE_C 2457 * 2458 * Enable PEM decoding / parsing. 2459 * 2460 * Module: library/pem.c 2461 * Caller: library/dhm.c 2462 * library/pkparse.c 2463 * library/x509_crl.c 2464 * library/x509_crt.c 2465 * library/x509_csr.c 2466 * 2467 * Requires: MBEDTLS_BASE64_C 2468 * 2469 * This modules adds support for decoding / parsing PEM files. 2470 */ 2471 #define MBEDTLS_PEM_PARSE_C 2472 2473 /** 2474 * \def MBEDTLS_PEM_WRITE_C 2475 * 2476 * Enable PEM encoding / writing. 2477 * 2478 * Module: library/pem.c 2479 * Caller: library/pkwrite.c 2480 * library/x509write_crt.c 2481 * library/x509write_csr.c 2482 * 2483 * Requires: MBEDTLS_BASE64_C 2484 * 2485 * This modules adds support for encoding / writing PEM files. 2486 */ 2487 #define MBEDTLS_PEM_WRITE_C 2488 2489 /** 2490 * \def MBEDTLS_PK_C 2491 * 2492 * Enable the generic public (asymetric) key layer. 2493 * 2494 * Module: library/pk.c 2495 * Caller: library/ssl_tls.c 2496 * library/ssl_cli.c 2497 * library/ssl_srv.c 2498 * 2499 * Requires: MBEDTLS_RSA_C or MBEDTLS_ECP_C 2500 * 2501 * Uncomment to enable generic public key wrappers. 2502 */ 2503 #define MBEDTLS_PK_C 2504 2505 /** 2506 * \def MBEDTLS_PK_PARSE_C 2507 * 2508 * Enable the generic public (asymetric) key parser. 2509 * 2510 * Module: library/pkparse.c 2511 * Caller: library/x509_crt.c 2512 * library/x509_csr.c 2513 * 2514 * Requires: MBEDTLS_PK_C 2515 * 2516 * Uncomment to enable generic public key parse functions. 2517 */ 2518 #define MBEDTLS_PK_PARSE_C 2519 2520 /** 2521 * \def MBEDTLS_PK_WRITE_C 2522 * 2523 * Enable the generic public (asymetric) key writer. 2524 * 2525 * Module: library/pkwrite.c 2526 * Caller: library/x509write.c 2527 * 2528 * Requires: MBEDTLS_PK_C 2529 * 2530 * Uncomment to enable generic public key write functions. 2531 */ 2532 #define MBEDTLS_PK_WRITE_C 2533 2534 /** 2535 * \def MBEDTLS_PKCS5_C 2536 * 2537 * Enable PKCS#5 functions. 2538 * 2539 * Module: library/pkcs5.c 2540 * 2541 * Requires: MBEDTLS_MD_C 2542 * 2543 * This module adds support for the PKCS#5 functions. 2544 */ 2545 #define MBEDTLS_PKCS5_C 2546 2547 /** 2548 * \def MBEDTLS_PKCS12_C 2549 * 2550 * Enable PKCS#12 PBE functions. 2551 * Adds algorithms for parsing PKCS#8 encrypted private keys 2552 * 2553 * Module: library/pkcs12.c 2554 * Caller: library/pkparse.c 2555 * 2556 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_CIPHER_C, MBEDTLS_MD_C 2557 * 2558 * This module enables PKCS#12 functions. 2559 */ 2560 #define MBEDTLS_PKCS12_C 2561 2562 /** 2563 * \def MBEDTLS_PLATFORM_C 2564 * 2565 * Enable the platform abstraction layer that allows you to re-assign 2566 * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit(). 2567 * 2568 * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT 2569 * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned 2570 * above to be specified at runtime or compile time respectively. 2571 * 2572 * \note This abstraction layer must be enabled on Windows (including MSYS2) 2573 * as other module rely on it for a fixed snprintf implementation. 2574 * 2575 * Module: library/platform.c 2576 * Caller: Most other .c files 2577 * 2578 * This module enables abstraction of common (libc) functions. 2579 */ 2580 #define MBEDTLS_PLATFORM_C 2581 2582 /** 2583 * \def MBEDTLS_POLY1305_C 2584 * 2585 * Enable the Poly1305 MAC algorithm. 2586 * 2587 * Module: library/poly1305.c 2588 * Caller: library/chachapoly.c 2589 */ 2590 #define MBEDTLS_POLY1305_C 2591 2592 /** 2593 * \def MBEDTLS_PSA_CRYPTO_C 2594 * 2595 * Enable the Platform Security Architecture cryptography API. 2596 * 2597 * \warning The PSA Crypto API is still beta status. While you're welcome to 2598 * experiment using it, incompatible API changes are still possible, and some 2599 * parts may not have reached the same quality as the rest of Mbed TLS yet. 2600 * 2601 * Module: library/psa_crypto.c 2602 * 2603 * Requires: either MBEDTLS_CTR_DRBG_C and MBEDTLS_ENTROPY_C, 2604 * or MBEDTLS_HMAC_DRBG_C and MBEDTLS_ENTROPY_C, 2605 * or MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG. 2606 * 2607 */ 2608 #define MBEDTLS_PSA_CRYPTO_C 2609 2610 /** 2611 * \def MBEDTLS_PSA_CRYPTO_SE_C 2612 * 2613 * Enable secure element support in the Platform Security Architecture 2614 * cryptography API. 2615 * 2616 * \warning This feature is not yet suitable for production. It is provided 2617 * for API evaluation and testing purposes only. 2618 * 2619 * Module: library/psa_crypto_se.c 2620 * 2621 * Requires: MBEDTLS_PSA_CRYPTO_C, MBEDTLS_PSA_CRYPTO_STORAGE_C 2622 * 2623 */ 2624 //#define MBEDTLS_PSA_CRYPTO_SE_C 2625 2626 /** 2627 * \def MBEDTLS_PSA_CRYPTO_STORAGE_C 2628 * 2629 * Enable the Platform Security Architecture persistent key storage. 2630 * 2631 * Module: library/psa_crypto_storage.c 2632 * 2633 * Requires: MBEDTLS_PSA_CRYPTO_C, 2634 * either MBEDTLS_PSA_ITS_FILE_C or a native implementation of 2635 * the PSA ITS interface 2636 */ 2637 #define MBEDTLS_PSA_CRYPTO_STORAGE_C 2638 2639 /** 2640 * \def MBEDTLS_PSA_ITS_FILE_C 2641 * 2642 * Enable the emulation of the Platform Security Architecture 2643 * Internal Trusted Storage (PSA ITS) over files. 2644 * 2645 * Module: library/psa_its_file.c 2646 * 2647 * Requires: MBEDTLS_FS_IO 2648 */ 2649 #define MBEDTLS_PSA_ITS_FILE_C 2650 2651 /** 2652 * \def MBEDTLS_RIPEMD160_C 2653 * 2654 * Enable the RIPEMD-160 hash algorithm. 2655 * 2656 * Module: library/ripemd160.c 2657 * Caller: library/md.c 2658 * 2659 */ 2660 #define MBEDTLS_RIPEMD160_C 2661 2662 /** 2663 * \def MBEDTLS_RSA_C 2664 * 2665 * Enable the RSA public-key cryptosystem. 2666 * 2667 * Module: library/rsa.c 2668 * library/rsa_alt_helpers.c 2669 * Caller: library/ssl_cli.c 2670 * library/ssl_srv.c 2671 * library/ssl_tls.c 2672 * library/x509.c 2673 * 2674 * This module is used by the following key exchanges: 2675 * RSA, DHE-RSA, ECDHE-RSA, RSA-PSK 2676 * 2677 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C 2678 */ 2679 #define MBEDTLS_RSA_C 2680 2681 /** 2682 * \def MBEDTLS_SHA1_C 2683 * 2684 * Enable the SHA1 cryptographic hash algorithm. 2685 * 2686 * Module: library/sha1.c 2687 * Caller: library/md.c 2688 * library/ssl_cli.c 2689 * library/ssl_srv.c 2690 * library/ssl_tls.c 2691 * library/x509write_crt.c 2692 * 2693 * This module is required for TLS 1.2 depending on the handshake parameters, 2694 * and for SHA1-signed certificates. 2695 * 2696 * \warning SHA-1 is considered a weak message digest and its use constitutes 2697 * a security risk. If possible, we recommend avoiding dependencies 2698 * on it, and considering stronger message digests instead. 2699 * 2700 */ 2701 #define MBEDTLS_SHA1_C 2702 2703 /** 2704 * \def MBEDTLS_SHA224_C 2705 * 2706 * Enable the SHA-224 cryptographic hash algorithm. 2707 * 2708 * Requires: MBEDTLS_SHA256_C. The library does not currently support enabling 2709 * SHA-224 without SHA-256. 2710 * 2711 * Module: library/sha256.c 2712 * Caller: library/md.c 2713 * library/ssl_cookie.c 2714 * 2715 * This module adds support for SHA-224. 2716 */ 2717 #define MBEDTLS_SHA224_C 2718 2719 /** 2720 * \def MBEDTLS_SHA256_C 2721 * 2722 * Enable the SHA-256 cryptographic hash algorithm. 2723 * 2724 * Requires: MBEDTLS_SHA224_C. The library does not currently support enabling 2725 * SHA-256 without SHA-224. 2726 * 2727 * Module: library/sha256.c 2728 * Caller: library/entropy.c 2729 * library/md.c 2730 * library/ssl_cli.c 2731 * library/ssl_srv.c 2732 * library/ssl_tls.c 2733 * 2734 * This module adds support for SHA-256. 2735 * This module is required for the SSL/TLS 1.2 PRF function. 2736 */ 2737 #define MBEDTLS_SHA256_C 2738 2739 /** 2740 * \def MBEDTLS_SHA384_C 2741 * 2742 * Enable the SHA-384 cryptographic hash algorithm. 2743 * 2744 * Requires: MBEDTLS_SHA512_C 2745 * 2746 * Module: library/sha512.c 2747 * Caller: library/md.c 2748 * library/ssl_cli.c 2749 * library/ssl_srv.c 2750 * 2751 * Comment to disable SHA-384 2752 */ 2753 #define MBEDTLS_SHA384_C 2754 2755 /** 2756 * \def MBEDTLS_SHA512_C 2757 * 2758 * Enable SHA-512 cryptographic hash algorithms. 2759 * 2760 * Module: library/sha512.c 2761 * Caller: library/entropy.c 2762 * library/md.c 2763 * library/ssl_tls.c 2764 * library/ssl_cookie.c 2765 * 2766 * This module adds support for SHA-512. 2767 */ 2768 #define MBEDTLS_SHA512_C 2769 2770 /** 2771 * \def MBEDTLS_SSL_CACHE_C 2772 * 2773 * Enable simple SSL cache implementation. 2774 * 2775 * Module: library/ssl_cache.c 2776 * Caller: 2777 * 2778 * Requires: MBEDTLS_SSL_CACHE_C 2779 */ 2780 #define MBEDTLS_SSL_CACHE_C 2781 2782 /** 2783 * \def MBEDTLS_SSL_COOKIE_C 2784 * 2785 * Enable basic implementation of DTLS cookies for hello verification. 2786 * 2787 * Module: library/ssl_cookie.c 2788 * Caller: 2789 */ 2790 #define MBEDTLS_SSL_COOKIE_C 2791 2792 /** 2793 * \def MBEDTLS_SSL_TICKET_C 2794 * 2795 * Enable an implementation of TLS server-side callbacks for session tickets. 2796 * 2797 * Module: library/ssl_ticket.c 2798 * Caller: 2799 * 2800 * Requires: MBEDTLS_CIPHER_C 2801 */ 2802 #define MBEDTLS_SSL_TICKET_C 2803 2804 /** 2805 * \def MBEDTLS_SSL_CLI_C 2806 * 2807 * Enable the SSL/TLS client code. 2808 * 2809 * Module: library/ssl_cli.c 2810 * Caller: 2811 * 2812 * Requires: MBEDTLS_SSL_TLS_C 2813 * 2814 * This module is required for SSL/TLS client support. 2815 */ 2816 #define MBEDTLS_SSL_CLI_C 2817 2818 /** 2819 * \def MBEDTLS_SSL_SRV_C 2820 * 2821 * Enable the SSL/TLS server code. 2822 * 2823 * Module: library/ssl_srv.c 2824 * Caller: 2825 * 2826 * Requires: MBEDTLS_SSL_TLS_C 2827 * 2828 * This module is required for SSL/TLS server support. 2829 */ 2830 #define MBEDTLS_SSL_SRV_C 2831 2832 /** 2833 * \def MBEDTLS_SSL_TLS_C 2834 * 2835 * Enable the generic SSL/TLS code. 2836 * 2837 * Module: library/ssl_tls.c 2838 * Caller: library/ssl_cli.c 2839 * library/ssl_srv.c 2840 * 2841 * Requires: MBEDTLS_CIPHER_C, MBEDTLS_MD_C 2842 * and at least one of the MBEDTLS_SSL_PROTO_XXX defines 2843 * 2844 * This module is required for SSL/TLS. 2845 */ 2846 #define MBEDTLS_SSL_TLS_C 2847 2848 /** 2849 * \def MBEDTLS_THREADING_C 2850 * 2851 * Enable the threading abstraction layer. 2852 * By default mbed TLS assumes it is used in a non-threaded environment or that 2853 * contexts are not shared between threads. If you do intend to use contexts 2854 * between threads, you will need to enable this layer to prevent race 2855 * conditions. See also our Knowledge Base article about threading: 2856 * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading 2857 * 2858 * Module: library/threading.c 2859 * 2860 * This allows different threading implementations (self-implemented or 2861 * provided). 2862 * 2863 * You will have to enable either MBEDTLS_THREADING_ALT or 2864 * MBEDTLS_THREADING_PTHREAD. 2865 * 2866 * Enable this layer to allow use of mutexes within mbed TLS 2867 */ 2868 //#define MBEDTLS_THREADING_C 2869 2870 /** 2871 * \def MBEDTLS_TIMING_C 2872 * 2873 * Enable the semi-portable timing interface. 2874 * 2875 * \note The provided implementation only works on POSIX/Unix (including Linux, 2876 * BSD and OS X) and Windows. On other platforms, you can either disable that 2877 * module and provide your own implementations of the callbacks needed by 2878 * \c mbedtls_ssl_set_timer_cb() for DTLS, or leave it enabled and provide 2879 * your own implementation of the whole module by setting 2880 * \c MBEDTLS_TIMING_ALT in the current file. 2881 * 2882 * \note See also our Knowledge Base article about porting to a new 2883 * environment: 2884 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 2885 * 2886 * Module: library/timing.c 2887 */ 2888 #define MBEDTLS_TIMING_C 2889 2890 /** 2891 * \def MBEDTLS_VERSION_C 2892 * 2893 * Enable run-time version information. 2894 * 2895 * Module: library/version.c 2896 * 2897 * This module provides run-time version information. 2898 */ 2899 #define MBEDTLS_VERSION_C 2900 2901 /** 2902 * \def MBEDTLS_X509_USE_C 2903 * 2904 * Enable X.509 core for using certificates. 2905 * 2906 * Module: library/x509.c 2907 * Caller: library/x509_crl.c 2908 * library/x509_crt.c 2909 * library/x509_csr.c 2910 * 2911 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, 2912 * MBEDTLS_PK_PARSE_C 2913 * 2914 * This module is required for the X.509 parsing modules. 2915 */ 2916 #define MBEDTLS_X509_USE_C 2917 2918 /** 2919 * \def MBEDTLS_X509_CRT_PARSE_C 2920 * 2921 * Enable X.509 certificate parsing. 2922 * 2923 * Module: library/x509_crt.c 2924 * Caller: library/ssl_cli.c 2925 * library/ssl_srv.c 2926 * library/ssl_tls.c 2927 * 2928 * Requires: MBEDTLS_X509_USE_C 2929 * 2930 * This module is required for X.509 certificate parsing. 2931 */ 2932 #define MBEDTLS_X509_CRT_PARSE_C 2933 2934 /** 2935 * \def MBEDTLS_X509_CRL_PARSE_C 2936 * 2937 * Enable X.509 CRL parsing. 2938 * 2939 * Module: library/x509_crl.c 2940 * Caller: library/x509_crt.c 2941 * 2942 * Requires: MBEDTLS_X509_USE_C 2943 * 2944 * This module is required for X.509 CRL parsing. 2945 */ 2946 #define MBEDTLS_X509_CRL_PARSE_C 2947 2948 /** 2949 * \def MBEDTLS_X509_CSR_PARSE_C 2950 * 2951 * Enable X.509 Certificate Signing Request (CSR) parsing. 2952 * 2953 * Module: library/x509_csr.c 2954 * Caller: library/x509_crt_write.c 2955 * 2956 * Requires: MBEDTLS_X509_USE_C 2957 * 2958 * This module is used for reading X.509 certificate request. 2959 */ 2960 #define MBEDTLS_X509_CSR_PARSE_C 2961 2962 /** 2963 * \def MBEDTLS_X509_CREATE_C 2964 * 2965 * Enable X.509 core for creating certificates. 2966 * 2967 * Module: library/x509_create.c 2968 * 2969 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, MBEDTLS_PK_WRITE_C 2970 * 2971 * This module is the basis for creating X.509 certificates and CSRs. 2972 */ 2973 #define MBEDTLS_X509_CREATE_C 2974 2975 /** 2976 * \def MBEDTLS_X509_CRT_WRITE_C 2977 * 2978 * Enable creating X.509 certificates. 2979 * 2980 * Module: library/x509_crt_write.c 2981 * 2982 * Requires: MBEDTLS_X509_CREATE_C 2983 * 2984 * This module is required for X.509 certificate creation. 2985 */ 2986 #define MBEDTLS_X509_CRT_WRITE_C 2987 2988 /** 2989 * \def MBEDTLS_X509_CSR_WRITE_C 2990 * 2991 * Enable creating X.509 Certificate Signing Requests (CSR). 2992 * 2993 * Module: library/x509_csr_write.c 2994 * 2995 * Requires: MBEDTLS_X509_CREATE_C 2996 * 2997 * This module is required for X.509 certificate request writing. 2998 */ 2999 #define MBEDTLS_X509_CSR_WRITE_C 3000 3001 /* \} name SECTION: mbed TLS modules */ 3002 3003 /** 3004 * \name SECTION: Module configuration options 3005 * 3006 * This section allows for the setting of module specific sizes and 3007 * configuration options. The default values are already present in the 3008 * relevant header files and should suffice for the regular use cases. 3009 * 3010 * Our advice is to enable options and change their values here 3011 * only if you have a good reason and know the consequences. 3012 * 3013 * Please check the respective header file for documentation on these 3014 * parameters (to prevent duplicate documentation). 3015 * \{ 3016 */ 3017 3018 /* MPI / BIGNUM options */ 3019 //#define MBEDTLS_MPI_WINDOW_SIZE 6 /**< Maximum window size used. */ 3020 //#define MBEDTLS_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */ 3021 3022 /* CTR_DRBG options */ 3023 //#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */ 3024 //#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3025 //#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3026 //#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3027 //#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3028 3029 /* HMAC_DRBG options */ 3030 //#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3031 //#define MBEDTLS_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3032 //#define MBEDTLS_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3033 //#define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3034 3035 /* ECP options */ 3036 //#define MBEDTLS_ECP_WINDOW_SIZE 4 /**< Maximum window size used */ 3037 //#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1 /**< Enable fixed-point speed-up */ 3038 3039 /* Entropy options */ 3040 //#define MBEDTLS_ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */ 3041 //#define MBEDTLS_ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */ 3042 //#define MBEDTLS_ENTROPY_MIN_HARDWARE 32 /**< Default minimum number of bytes required for the hardware entropy source mbedtls_hardware_poll() before entropy is released */ 3043 3044 /* Memory buffer allocator options */ 3045 //#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */ 3046 3047 /* Platform options */ 3048 //#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. */ 3049 //#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use, can be undefined */ 3050 //#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use, can be undefined */ 3051 //#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use, can be undefined */ 3052 //#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3053 //#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */ 3054 //#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */ 3055 /* Note: your snprintf must correctly zero-terminate the buffer! */ 3056 //#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use, can be undefined */ 3057 //#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS 0 /**< Default exit value to use, can be undefined */ 3058 //#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE 1 /**< Default exit value to use, can be undefined */ 3059 //#define MBEDTLS_PLATFORM_STD_NV_SEED_READ mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3060 //#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3061 //#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE "seedfile" /**< Seed file to read/write with default implementation */ 3062 3063 /* To Use Function Macros MBEDTLS_PLATFORM_C must be enabled */ 3064 /* MBEDTLS_PLATFORM_XXX_MACRO and MBEDTLS_PLATFORM_XXX_ALT cannot both be defined */ 3065 //#define MBEDTLS_PLATFORM_CALLOC_MACRO calloc /**< Default allocator macro to use, can be undefined */ 3066 //#define MBEDTLS_PLATFORM_FREE_MACRO free /**< Default free macro to use, can be undefined */ 3067 //#define MBEDTLS_PLATFORM_EXIT_MACRO exit /**< Default exit macro to use, can be undefined */ 3068 //#define MBEDTLS_PLATFORM_TIME_MACRO time /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3069 //#define MBEDTLS_PLATFORM_TIME_TYPE_MACRO time_t /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3070 //#define MBEDTLS_PLATFORM_FPRINTF_MACRO fprintf /**< Default fprintf macro to use, can be undefined */ 3071 #define MBEDTLS_PLATFORM_PRINTF_MACRO ets_printf /**< Default printf macro to use, can be undefined */ 3072 /* Note: your snprintf must correctly zero-terminate the buffer! */ 3073 //#define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf /**< Default snprintf macro to use, can be undefined */ 3074 //#define MBEDTLS_PLATFORM_VSNPRINTF_MACRO vsnprintf /**< Default vsnprintf macro to use, can be undefined */ 3075 //#define MBEDTLS_PLATFORM_NV_SEED_READ_MACRO mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3076 //#define MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3077 3078 /* PSA options */ 3079 /** 3080 * Use HMAC_DRBG with the specified hash algorithm for HMAC_DRBG for the 3081 * PSA crypto subsystem. 3082 * 3083 * If this option is unset: 3084 * - If CTR_DRBG is available, the PSA subsystem uses it rather than HMAC_DRBG. 3085 * - Otherwise, the PSA subsystem uses HMAC_DRBG with either 3086 * #MBEDTLS_MD_SHA512 or #MBEDTLS_MD_SHA256 based on availability and 3087 * on unspecified heuristics. 3088 */ 3089 //#define MBEDTLS_PSA_HMAC_DRBG_MD_TYPE MBEDTLS_MD_SHA256 3090 3091 /** \def MBEDTLS_PSA_KEY_SLOT_COUNT 3092 * Restrict the PSA library to supporting a maximum amount of simultaneously 3093 * loaded keys. A loaded key is a key stored by the PSA Crypto core as a 3094 * volatile key, or a persistent key which is loaded temporarily by the 3095 * library as part of a crypto operation in flight. 3096 * 3097 * If this option is unset, the library will fall back to a default value of 3098 * 32 keys. 3099 */ 3100 //#define MBEDTLS_PSA_KEY_SLOT_COUNT 32 3101 3102 /* SSL Cache options */ 3103 //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */ 3104 //#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /**< Maximum entries in cache */ 3105 3106 /* SSL options */ 3107 3108 /** \def MBEDTLS_SSL_IN_CONTENT_LEN 3109 * 3110 * Maximum length (in bytes) of incoming plaintext fragments. 3111 * 3112 * This determines the size of the incoming TLS I/O buffer in such a way 3113 * that it is capable of holding the specified amount of plaintext data, 3114 * regardless of the protection mechanism used. 3115 * 3116 * \note When using a value less than the default of 16KB on the client, it is 3117 * recommended to use the Maximum Fragment Length (MFL) extension to 3118 * inform the server about this limitation. On the server, there 3119 * is no supported, standardized way of informing the client about 3120 * restriction on the maximum size of incoming messages, and unless 3121 * the limitation has been communicated by other means, it is recommended 3122 * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN 3123 * while keeping the default value of 16KB for the incoming buffer. 3124 * 3125 * Uncomment to set the maximum plaintext size of the incoming I/O buffer. 3126 */ 3127 //#define MBEDTLS_SSL_IN_CONTENT_LEN 16384 3128 3129 /** \def MBEDTLS_SSL_CID_IN_LEN_MAX 3130 * 3131 * The maximum length of CIDs used for incoming DTLS messages. 3132 * 3133 */ 3134 //#define MBEDTLS_SSL_CID_IN_LEN_MAX 32 3135 3136 /** \def MBEDTLS_SSL_CID_OUT_LEN_MAX 3137 * 3138 * The maximum length of CIDs used for outgoing DTLS messages. 3139 * 3140 */ 3141 //#define MBEDTLS_SSL_CID_OUT_LEN_MAX 32 3142 3143 /** \def MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY 3144 * 3145 * This option controls the use of record plaintext padding 3146 * in TLS 1.3 and when using the Connection ID extension in DTLS 1.2. 3147 * 3148 * The padding will always be chosen so that the length of the 3149 * padded plaintext is a multiple of the value of this option. 3150 * 3151 * Note: A value of \c 1 means that no padding will be used 3152 * for outgoing records. 3153 * 3154 * Note: On systems lacking division instructions, 3155 * a power of two should be preferred. 3156 */ 3157 //#define MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY 16 3158 3159 /** \def MBEDTLS_SSL_OUT_CONTENT_LEN 3160 * 3161 * Maximum length (in bytes) of outgoing plaintext fragments. 3162 * 3163 * This determines the size of the outgoing TLS I/O buffer in such a way 3164 * that it is capable of holding the specified amount of plaintext data, 3165 * regardless of the protection mechanism used. 3166 * 3167 * It is possible to save RAM by setting a smaller outward buffer, while keeping 3168 * the default inward 16384 byte buffer to conform to the TLS specification. 3169 * 3170 * The minimum required outward buffer size is determined by the handshake 3171 * protocol's usage. Handshaking will fail if the outward buffer is too small. 3172 * The specific size requirement depends on the configured ciphers and any 3173 * certificate data which is sent during the handshake. 3174 * 3175 * Uncomment to set the maximum plaintext size of the outgoing I/O buffer. 3176 */ 3177 //#define MBEDTLS_SSL_OUT_CONTENT_LEN 16384 3178 3179 /** \def MBEDTLS_SSL_DTLS_MAX_BUFFERING 3180 * 3181 * Maximum number of heap-allocated bytes for the purpose of 3182 * DTLS handshake message reassembly and future message buffering. 3183 * 3184 * This should be at least 9/8 * MBEDTLSSL_IN_CONTENT_LEN 3185 * to account for a reassembled handshake message of maximum size, 3186 * together with its reassembly bitmap. 3187 * 3188 * A value of 2 * MBEDTLS_SSL_IN_CONTENT_LEN (32768 by default) 3189 * should be sufficient for all practical situations as it allows 3190 * to reassembly a large handshake message (such as a certificate) 3191 * while buffering multiple smaller handshake messages. 3192 * 3193 */ 3194 //#define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768 3195 3196 //#define MBEDTLS_PSK_MAX_LEN 32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */ 3197 //#define MBEDTLS_SSL_COOKIE_TIMEOUT 60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */ 3198 3199 /** 3200 * Complete list of ciphersuites to use, in order of preference. 3201 * 3202 * \warning No dependency checking is done on that field! This option can only 3203 * be used to restrict the set of available ciphersuites. It is your 3204 * responsibility to make sure the needed modules are active. 3205 * 3206 * Use this to save a few hundred bytes of ROM (default ordering of all 3207 * available ciphersuites) and a few to a few hundred bytes of RAM. 3208 * 3209 * The value below is only an example, not the default. 3210 */ 3211 //#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 3212 3213 /* X509 options */ 3214 //#define MBEDTLS_X509_MAX_INTERMEDIATE_CA 8 /**< Maximum number of intermediate CAs in a verification chain. */ 3215 //#define MBEDTLS_X509_MAX_FILE_PATH_LEN 512 /**< Maximum length of a path/filename string in bytes including the null terminator character ('\0'). */ 3216 3217 /** 3218 * Uncomment the macro to let mbed TLS use your alternate implementation of 3219 * mbedtls_platform_zeroize(). This replaces the default implementation in 3220 * platform_util.c. 3221 * 3222 * mbedtls_platform_zeroize() is a widely used function across the library to 3223 * zero a block of memory. The implementation is expected to be secure in the 3224 * sense that it has been written to prevent the compiler from removing calls 3225 * to mbedtls_platform_zeroize() as part of redundant code elimination 3226 * optimizations. However, it is difficult to guarantee that calls to 3227 * mbedtls_platform_zeroize() will not be optimized by the compiler as older 3228 * versions of the C language standards do not provide a secure implementation 3229 * of memset(). Therefore, MBEDTLS_PLATFORM_ZEROIZE_ALT enables users to 3230 * configure their own implementation of mbedtls_platform_zeroize(), for 3231 * example by using directives specific to their compiler, features from newer 3232 * C standards (e.g using memset_s() in C11) or calling a secure memset() from 3233 * their system (e.g explicit_bzero() in BSD). 3234 */ 3235 //#define MBEDTLS_PLATFORM_ZEROIZE_ALT 3236 3237 /** 3238 * Uncomment the macro to let Mbed TLS use your alternate implementation of 3239 * mbedtls_platform_gmtime_r(). This replaces the default implementation in 3240 * platform_util.c. 3241 * 3242 * gmtime() is not a thread-safe function as defined in the C standard. The 3243 * library will try to use safer implementations of this function, such as 3244 * gmtime_r() when available. However, if Mbed TLS cannot identify the target 3245 * system, the implementation of mbedtls_platform_gmtime_r() will default to 3246 * using the standard gmtime(). In this case, calls from the library to 3247 * gmtime() will be guarded by the global mutex mbedtls_threading_gmtime_mutex 3248 * if MBEDTLS_THREADING_C is enabled. We recommend that calls from outside the 3249 * library are also guarded with this mutex to avoid race conditions. However, 3250 * if the macro MBEDTLS_PLATFORM_GMTIME_R_ALT is defined, Mbed TLS will 3251 * unconditionally use the implementation for mbedtls_platform_gmtime_r() 3252 * supplied at compile time. 3253 */ 3254 //#define MBEDTLS_PLATFORM_GMTIME_R_ALT 3255 3256 /** 3257 * Enable the verified implementations of ECDH primitives from Project Everest 3258 * (currently only Curve25519). This feature changes the layout of ECDH 3259 * contexts and therefore is a compatibility break for applications that access 3260 * fields of a mbedtls_ecdh_context structure directly. See also 3261 * MBEDTLS_ECDH_LEGACY_CONTEXT in include/mbedtls/ecdh.h. 3262 */ 3263 //#define MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED 3264 3265 /* \} name SECTION: Customisation configuration options */ 3266
