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/** 28 * This is an optional version symbol that enables comatibility handling of 29 * config files. 30 * 31 * It is equal to the #MBEDTLS_VERSION_NUMBER of the Mbed TLS version that 32 * introduced the config format we want to be compatible with. 33 */ 34//#define MBEDTLS_CONFIG_VERSION 0x03000000 35 36/** 37 * \name SECTION: System support 38 * 39 * This section sets system specific settings. 40 * \{ 41 */ 42 43 #include <stdlib.h> 44 #include <stdio.h> 45 46 #define MBEDTLS_ECP_RESTARTABLE 1 47 48/** 49 * \def MBEDTLS_HAVE_ASM 50 * 51 * The compiler has support for asm(). 52 * 53 * Requires support for asm() in compiler. 54 * 55 * Used in: 56 * library/aria.c 57 * library/bn_mul.h 58 * 59 * Required by: 60 * MBEDTLS_AESNI_C 61 * MBEDTLS_PADLOCK_C 62 * 63 * Comment to disable the use of assembly code. 64 */ 65#define MBEDTLS_HAVE_ASM 66 67/** 68 * \def MBEDTLS_NO_UDBL_DIVISION 69 * 70 * The platform lacks support for double-width integer division (64-bit 71 * division on a 32-bit platform, 128-bit division on a 64-bit platform). 72 * 73 * Used in: 74 * include/mbedtls/bignum.h 75 * library/bignum.c 76 * 77 * The bignum code uses double-width division to speed up some operations. 78 * Double-width division is often implemented in software that needs to 79 * be linked with the program. The presence of a double-width integer 80 * type is usually detected automatically through preprocessor macros, 81 * but the automatic detection cannot know whether the code needs to 82 * and can be linked with an implementation of division for that type. 83 * By default division is assumed to be usable if the type is present. 84 * Uncomment this option to prevent the use of double-width division. 85 * 86 * Note that division for the native integer type is always required. 87 * Furthermore, a 64-bit type is always required even on a 32-bit 88 * platform, but it need not support multiplication or division. In some 89 * cases it is also desirable to disable some double-width operations. For 90 * example, if double-width division is implemented in software, disabling 91 * it can reduce code size in some embedded targets. 92 */ 93//#define MBEDTLS_NO_UDBL_DIVISION 94 95/** 96 * \def MBEDTLS_NO_64BIT_MULTIPLICATION 97 * 98 * The platform lacks support for 32x32 -> 64-bit multiplication. 99 * 100 * Used in: 101 * library/poly1305.c 102 * 103 * Some parts of the library may use multiplication of two unsigned 32-bit 104 * operands with a 64-bit result in order to speed up computations. On some 105 * platforms, this is not available in hardware and has to be implemented in 106 * software, usually in a library provided by the toolchain. 107 * 108 * Sometimes it is not desirable to have to link to that library. This option 109 * removes the dependency of that library on platforms that lack a hardware 110 * 64-bit multiplier by embedding a software implementation in Mbed TLS. 111 * 112 * Note that depending on the compiler, this may decrease performance compared 113 * to using the library function provided by the toolchain. 114 */ 115//#define MBEDTLS_NO_64BIT_MULTIPLICATION 116 117/** 118 * \def MBEDTLS_HAVE_SSE2 119 * 120 * CPU supports SSE2 instruction set. 121 * 122 * Uncomment if the CPU supports SSE2 (IA-32 specific). 123 */ 124//#define MBEDTLS_HAVE_SSE2 125 126/** 127 * \def MBEDTLS_HAVE_TIME 128 * 129 * System has time.h and time(). 130 * The time does not need to be correct, only time differences are used, 131 * by contrast with MBEDTLS_HAVE_TIME_DATE 132 * 133 * Defining MBEDTLS_HAVE_TIME allows you to specify MBEDTLS_PLATFORM_TIME_ALT, 134 * MBEDTLS_PLATFORM_TIME_MACRO, MBEDTLS_PLATFORM_TIME_TYPE_MACRO and 135 * MBEDTLS_PLATFORM_STD_TIME. 136 * 137 * Comment if your system does not support time functions 138 */ 139#define MBEDTLS_HAVE_TIME 140 141/** 142 * \def MBEDTLS_HAVE_TIME_DATE 143 * 144 * System has time.h, time(), and an implementation for 145 * mbedtls_platform_gmtime_r() (see below). 146 * The time needs to be correct (not necessarily very accurate, but at least 147 * the date should be correct). This is used to verify the validity period of 148 * X.509 certificates. 149 * 150 * Comment if your system does not have a correct clock. 151 * 152 * \note mbedtls_platform_gmtime_r() is an abstraction in platform_util.h that 153 * behaves similarly to the gmtime_r() function from the C standard. Refer to 154 * the documentation for mbedtls_platform_gmtime_r() for more information. 155 * 156 * \note It is possible to configure an implementation for 157 * mbedtls_platform_gmtime_r() at compile-time by using the macro 158 * MBEDTLS_PLATFORM_GMTIME_R_ALT. 159 */ 160// #define MBEDTLS_HAVE_TIME_DATE 161 162/** 163 * \def MBEDTLS_PLATFORM_MEMORY 164 * 165 * Enable the memory allocation layer. 166 * 167 * By default mbed TLS uses the system-provided calloc() and free(). 168 * This allows different allocators (self-implemented or provided) to be 169 * provided to the platform abstraction layer. 170 * 171 * Enabling MBEDTLS_PLATFORM_MEMORY without the 172 * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide 173 * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and 174 * free() function pointer at runtime. 175 * 176 * Enabling MBEDTLS_PLATFORM_MEMORY and specifying 177 * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the 178 * alternate function at compile time. 179 * 180 * Requires: MBEDTLS_PLATFORM_C 181 * 182 * Enable this layer to allow use of alternative memory allocators. 183 */ 184#define MBEDTLS_PLATFORM_MEMORY 185 186/** 187 * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 188 * 189 * Do not assign standard functions in the platform layer (e.g. calloc() to 190 * MBEDTLS_PLATFORM_STD_CALLOC and printf() to MBEDTLS_PLATFORM_STD_PRINTF) 191 * 192 * This makes sure there are no linking errors on platforms that do not support 193 * these functions. You will HAVE to provide alternatives, either at runtime 194 * via the platform_set_xxx() functions or at compile time by setting 195 * the MBEDTLS_PLATFORM_STD_XXX defines, or enabling a 196 * MBEDTLS_PLATFORM_XXX_MACRO. 197 * 198 * Requires: MBEDTLS_PLATFORM_C 199 * 200 * Uncomment to prevent default assignment of standard functions in the 201 * platform layer. 202 */ 203#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS 204 205/** 206 * \def MBEDTLS_PLATFORM_EXIT_ALT 207 * 208 * MBEDTLS_PLATFORM_XXX_ALT: Uncomment a macro to let mbed TLS support the 209 * function in the platform abstraction layer. 210 * 211 * Example: In case you uncomment MBEDTLS_PLATFORM_PRINTF_ALT, mbed TLS will 212 * provide a function "mbedtls_platform_set_printf()" that allows you to set an 213 * alternative printf function pointer. 214 * 215 * All these define require MBEDTLS_PLATFORM_C to be defined! 216 * 217 * \note MBEDTLS_PLATFORM_SNPRINTF_ALT is required on Windows; 218 * it will be enabled automatically by check_config.h 219 * 220 * \warning MBEDTLS_PLATFORM_XXX_ALT cannot be defined at the same time as 221 * MBEDTLS_PLATFORM_XXX_MACRO! 222 * 223 * Requires: MBEDTLS_PLATFORM_TIME_ALT requires MBEDTLS_HAVE_TIME 224 * 225 * Uncomment a macro to enable alternate implementation of specific base 226 * platform function 227 */ 228//#define MBEDTLS_PLATFORM_EXIT_ALT 229#define MBEDTLS_PLATFORM_TIME_ALT 230//#define MBEDTLS_PLATFORM_FPRINTF_ALT 231//#define MBEDTLS_PLATFORM_PRINTF_ALT 232#define MBEDTLS_PLATFORM_SNPRINTF_ALT 233//#define MBEDTLS_PLATFORM_VSNPRINTF_ALT 234//#define MBEDTLS_PLATFORM_NV_SEED_ALT 235//#define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT 236 237/** 238 * \def MBEDTLS_DEPRECATED_WARNING 239 * 240 * Mark deprecated functions and features so that they generate a warning if 241 * used. Functionality deprecated in one version will usually be removed in the 242 * next version. You can enable this to help you prepare the transition to a 243 * new major version by making sure your code is not using this functionality. 244 * 245 * This only works with GCC and Clang. With other compilers, you may want to 246 * use MBEDTLS_DEPRECATED_REMOVED 247 * 248 * Uncomment to get warnings on using deprecated functions and features. 249 */ 250//#define MBEDTLS_DEPRECATED_WARNING 251 252/** 253 * \def MBEDTLS_DEPRECATED_REMOVED 254 * 255 * Remove deprecated functions and features so that they generate an error if 256 * used. Functionality deprecated in one version will usually be removed in the 257 * next version. You can enable this to help you prepare the transition to a 258 * new major version by making sure your code is not using this functionality. 259 * 260 * Uncomment to get errors on using deprecated functions and features. 261 */ 262//#define MBEDTLS_DEPRECATED_REMOVED 263 264/* \} name SECTION: System support */ 265 266/** 267 * \name SECTION: mbed TLS feature support 268 * 269 * This section sets support for features that are or are not needed 270 * within the modules that are enabled. 271 * \{ 272 */ 273 274/** 275 * \def MBEDTLS_TIMING_ALT 276 * 277 * Uncomment to provide your own alternate implementation for 278 * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay() 279 * 280 * Only works if you have MBEDTLS_TIMING_C enabled. 281 * 282 * You will need to provide a header "timing_alt.h" and an implementation at 283 * compile time. 284 */ 285//#define MBEDTLS_TIMING_ALT 286 287/** 288 * \def MBEDTLS_AES_ALT 289 * 290 * MBEDTLS__MODULE_NAME__ALT: Uncomment a macro to let mbed TLS use your 291 * alternate core implementation of a symmetric crypto, an arithmetic or hash 292 * module (e.g. platform specific assembly optimized implementations). Keep 293 * in mind that the function prototypes should remain the same. 294 * 295 * This replaces the whole module. If you only want to replace one of the 296 * functions, use one of the MBEDTLS__FUNCTION_NAME__ALT flags. 297 * 298 * Example: In case you uncomment MBEDTLS_AES_ALT, mbed TLS will no longer 299 * provide the "struct mbedtls_aes_context" definition and omit the base 300 * function declarations and implementations. "aes_alt.h" will be included from 301 * "aes.h" to include the new function definitions. 302 * 303 * Uncomment a macro to enable alternate implementation of the corresponding 304 * module. 305 * 306 * \warning MD5, DES and SHA-1 are considered weak and their 307 * use constitutes a security risk. If possible, we recommend 308 * avoiding dependencies on them, and considering stronger message 309 * digests and ciphers instead. 310 * 311 */ 312//#define MBEDTLS_AES_ALT 313//#define MBEDTLS_ARIA_ALT 314//#define MBEDTLS_CAMELLIA_ALT 315//#define MBEDTLS_CCM_ALT 316//#define MBEDTLS_CHACHA20_ALT 317//#define MBEDTLS_CHACHAPOLY_ALT 318//#define MBEDTLS_CMAC_ALT 319//#define MBEDTLS_DES_ALT 320//#define MBEDTLS_DHM_ALT 321//#define MBEDTLS_ECJPAKE_ALT 322//#define MBEDTLS_GCM_ALT 323//#define MBEDTLS_NIST_KW_ALT 324//#define MBEDTLS_MD5_ALT 325//#define MBEDTLS_POLY1305_ALT 326//#define MBEDTLS_RIPEMD160_ALT 327//#define MBEDTLS_RSA_ALT 328//#define MBEDTLS_SHA1_ALT 329//#define MBEDTLS_SHA256_ALT 330//#define MBEDTLS_SHA512_ALT 331 332/* 333 * When replacing the elliptic curve module, pleace consider, that it is 334 * implemented with two .c files: 335 * - ecp.c 336 * - ecp_curves.c 337 * You can replace them very much like all the other MBEDTLS__MODULE_NAME__ALT 338 * macros as described above. The only difference is that you have to make sure 339 * that you provide functionality for both .c files. 340 */ 341//#define MBEDTLS_ECP_ALT 342 343/** 344 * \def MBEDTLS_SHA256_PROCESS_ALT 345 * 346 * MBEDTLS__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use you 347 * alternate core implementation of symmetric crypto or hash function. Keep in 348 * mind that function prototypes should remain the same. 349 * 350 * This replaces only one function. The header file from mbed TLS is still 351 * used, in contrast to the MBEDTLS__MODULE_NAME__ALT flags. 352 * 353 * Example: In case you uncomment MBEDTLS_SHA256_PROCESS_ALT, mbed TLS will 354 * no longer provide the mbedtls_sha1_process() function, but it will still provide 355 * the other function (using your mbedtls_sha1_process() function) and the definition 356 * of mbedtls_sha1_context, so your implementation of mbedtls_sha1_process must be compatible 357 * with this definition. 358 * 359 * \note If you use the AES_xxx_ALT macros, then it is recommended to also set 360 * MBEDTLS_AES_ROM_TABLES in order to help the linker garbage-collect the AES 361 * tables. 362 * 363 * Uncomment a macro to enable alternate implementation of the corresponding 364 * function. 365 * 366 * \warning MD5, DES and SHA-1 are considered weak and their use 367 * constitutes a security risk. If possible, we recommend avoiding 368 * dependencies on them, and considering stronger message digests 369 * and ciphers instead. 370 * 371 * \warning If both MBEDTLS_ECDSA_SIGN_ALT and MBEDTLS_ECDSA_DETERMINISTIC are 372 * enabled, then the deterministic ECDH signature functions pass the 373 * the static HMAC-DRBG as RNG to mbedtls_ecdsa_sign(). Therefore 374 * alternative implementations should use the RNG only for generating 375 * the ephemeral key and nothing else. If this is not possible, then 376 * MBEDTLS_ECDSA_DETERMINISTIC should be disabled and an alternative 377 * implementation should be provided for mbedtls_ecdsa_sign_det_ext(). 378 * 379 */ 380//#define MBEDTLS_MD5_PROCESS_ALT 381//#define MBEDTLS_RIPEMD160_PROCESS_ALT 382//#define MBEDTLS_SHA1_PROCESS_ALT 383//#define MBEDTLS_SHA256_PROCESS_ALT 384//#define MBEDTLS_SHA512_PROCESS_ALT 385//#define MBEDTLS_DES_SETKEY_ALT 386//#define MBEDTLS_DES_CRYPT_ECB_ALT 387//#define MBEDTLS_DES3_CRYPT_ECB_ALT 388//#define MBEDTLS_AES_SETKEY_ENC_ALT 389//#define MBEDTLS_AES_SETKEY_DEC_ALT 390//#define MBEDTLS_AES_ENCRYPT_ALT 391//#define MBEDTLS_AES_DECRYPT_ALT 392//#define MBEDTLS_ECDH_GEN_PUBLIC_ALT 393//#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT 394//#define MBEDTLS_ECDSA_VERIFY_ALT 395//#define MBEDTLS_ECDSA_SIGN_ALT 396//#define MBEDTLS_ECDSA_GENKEY_ALT 397 398/** 399 * \def MBEDTLS_ECP_INTERNAL_ALT 400 * 401 * Expose a part of the internal interface of the Elliptic Curve Point module. 402 * 403 * MBEDTLS_ECP__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use your 404 * alternative core implementation of elliptic curve arithmetic. Keep in mind 405 * that function prototypes should remain the same. 406 * 407 * This partially replaces one function. The header file from mbed TLS is still 408 * used, in contrast to the MBEDTLS_ECP_ALT flag. The original implementation 409 * is still present and it is used for group structures not supported by the 410 * alternative. 411 * 412 * The original implementation can in addition be removed by setting the 413 * MBEDTLS_ECP_NO_FALLBACK option, in which case any function for which the 414 * corresponding MBEDTLS_ECP__FUNCTION_NAME__ALT macro is defined will not be 415 * able to fallback to curves not supported by the alternative implementation. 416 * 417 * Any of these options become available by defining MBEDTLS_ECP_INTERNAL_ALT 418 * and implementing the following functions: 419 * unsigned char mbedtls_internal_ecp_grp_capable( 420 * const mbedtls_ecp_group *grp ) 421 * int mbedtls_internal_ecp_init( const mbedtls_ecp_group *grp ) 422 * void mbedtls_internal_ecp_free( const mbedtls_ecp_group *grp ) 423 * The mbedtls_internal_ecp_grp_capable function should return 1 if the 424 * replacement functions implement arithmetic for the given group and 0 425 * otherwise. 426 * The functions mbedtls_internal_ecp_init and mbedtls_internal_ecp_free are 427 * called before and after each point operation and provide an opportunity to 428 * implement optimized set up and tear down instructions. 429 * 430 * Example: In case you set MBEDTLS_ECP_INTERNAL_ALT and 431 * MBEDTLS_ECP_DOUBLE_JAC_ALT, mbed TLS will still provide the ecp_double_jac() 432 * function, but will use your mbedtls_internal_ecp_double_jac() if the group 433 * for the operation is supported by your implementation (i.e. your 434 * mbedtls_internal_ecp_grp_capable() function returns 1 for this group). If the 435 * group is not supported by your implementation, then the original mbed TLS 436 * implementation of ecp_double_jac() is used instead, unless this fallback 437 * behaviour is disabled by setting MBEDTLS_ECP_NO_FALLBACK (in which case 438 * ecp_double_jac() will return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE). 439 * 440 * The function prototypes and the definition of mbedtls_ecp_group and 441 * mbedtls_ecp_point will not change based on MBEDTLS_ECP_INTERNAL_ALT, so your 442 * implementation of mbedtls_internal_ecp__function_name__ must be compatible 443 * with their definitions. 444 * 445 * Uncomment a macro to enable alternate implementation of the corresponding 446 * function. 447 */ 448/* Required for all the functions in this section */ 449//#define MBEDTLS_ECP_INTERNAL_ALT 450/* Turn off software fallback for curves not supported in hardware */ 451//#define MBEDTLS_ECP_NO_FALLBACK 452/* Support for Weierstrass curves with Jacobi representation */ 453//#define MBEDTLS_ECP_RANDOMIZE_JAC_ALT 454//#define MBEDTLS_ECP_ADD_MIXED_ALT 455//#define MBEDTLS_ECP_DOUBLE_JAC_ALT 456//#define MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT 457//#define MBEDTLS_ECP_NORMALIZE_JAC_ALT 458/* Support for curves with Montgomery arithmetic */ 459//#define MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT 460//#define MBEDTLS_ECP_RANDOMIZE_MXZ_ALT 461//#define MBEDTLS_ECP_NORMALIZE_MXZ_ALT 462 463/** 464 * \def MBEDTLS_ENTROPY_HARDWARE_ALT 465 * 466 * Uncomment this macro to let mbed TLS use your own implementation of a 467 * hardware entropy collector. 468 * 469 * Your function must be called \c mbedtls_hardware_poll(), have the same 470 * prototype as declared in library/entropy_poll.h, and accept NULL as first 471 * argument. 472 * 473 * Uncomment to use your own hardware entropy collector. 474 */ 475//#define MBEDTLS_ENTROPY_HARDWARE_ALT 476 477/** 478 * \def MBEDTLS_AES_ROM_TABLES 479 * 480 * Use precomputed AES tables stored in ROM. 481 * 482 * Uncomment this macro to use precomputed AES tables stored in ROM. 483 * Comment this macro to generate AES tables in RAM at runtime. 484 * 485 * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb 486 * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the 487 * initialization time before the first AES operation can be performed. 488 * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c 489 * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded 490 * performance if ROM access is slower than RAM access. 491 * 492 * This option is independent of \c MBEDTLS_AES_FEWER_TABLES. 493 * 494 */ 495#define MBEDTLS_AES_ROM_TABLES 496 497/** 498 * \def MBEDTLS_AES_FEWER_TABLES 499 * 500 * Use less ROM/RAM for AES tables. 501 * 502 * Uncommenting this macro omits 75% of the AES tables from 503 * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES) 504 * by computing their values on the fly during operations 505 * (the tables are entry-wise rotations of one another). 506 * 507 * Tradeoff: Uncommenting this reduces the RAM / ROM footprint 508 * by ~6kb but at the cost of more arithmetic operations during 509 * runtime. Specifically, one has to compare 4 accesses within 510 * different tables to 4 accesses with additional arithmetic 511 * operations within the same table. The performance gain/loss 512 * depends on the system and memory details. 513 * 514 * This option is independent of \c MBEDTLS_AES_ROM_TABLES. 515 * 516 */ 517//#define MBEDTLS_AES_FEWER_TABLES 518 519/** 520 * \def MBEDTLS_CAMELLIA_SMALL_MEMORY 521 * 522 * Use less ROM for the Camellia implementation (saves about 768 bytes). 523 * 524 * Uncomment this macro to use less memory for Camellia. 525 */ 526//#define MBEDTLS_CAMELLIA_SMALL_MEMORY 527 528/** 529 * \def MBEDTLS_CHECK_RETURN_WARNING 530 * 531 * If this macro is defined, emit a compile-time warning if application code 532 * calls a function without checking its return value, but the return value 533 * should generally be checked in portable applications. 534 * 535 * This is only supported on platforms where #MBEDTLS_CHECK_RETURN is 536 * implemented. Otherwise this option has no effect. 537 * 538 * Uncomment to get warnings on using fallible functions without checking 539 * their return value. 540 * 541 * \note This feature is a work in progress. 542 * Warnings will be added to more functions in the future. 543 * 544 * \note A few functions are considered critical, and ignoring the return 545 * value of these functions will trigger a warning even if this 546 * macro is not defined. To completely disable return value check 547 * warnings, define #MBEDTLS_CHECK_RETURN with an empty expansion. 548 */ 549//#define MBEDTLS_CHECK_RETURN_WARNING 550 551/** 552 * \def MBEDTLS_CIPHER_MODE_CBC 553 * 554 * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers. 555 */ 556#define MBEDTLS_CIPHER_MODE_CBC 557 558/** 559 * \def MBEDTLS_CIPHER_MODE_CFB 560 * 561 * Enable Cipher Feedback mode (CFB) for symmetric ciphers. 562 */ 563#define MBEDTLS_CIPHER_MODE_CFB 564 565/** 566 * \def MBEDTLS_CIPHER_MODE_CTR 567 * 568 * Enable Counter Block Cipher mode (CTR) for symmetric ciphers. 569 */ 570#define MBEDTLS_CIPHER_MODE_CTR 571 572/** 573 * \def MBEDTLS_CIPHER_MODE_OFB 574 * 575 * Enable Output Feedback mode (OFB) for symmetric ciphers. 576 */ 577#define MBEDTLS_CIPHER_MODE_OFB 578 579/** 580 * \def MBEDTLS_CIPHER_MODE_XTS 581 * 582 * Enable Xor-encrypt-xor with ciphertext stealing mode (XTS) for AES. 583 */ 584#define MBEDTLS_CIPHER_MODE_XTS 585 586/** 587 * \def MBEDTLS_CIPHER_NULL_CIPHER 588 * 589 * Enable NULL cipher. 590 * Warning: Only do so when you know what you are doing. This allows for 591 * encryption or channels without any security! 592 * 593 * To enable the following ciphersuites: 594 * MBEDTLS_TLS_ECDH_ECDSA_WITH_NULL_SHA 595 * MBEDTLS_TLS_ECDH_RSA_WITH_NULL_SHA 596 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_NULL_SHA 597 * MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA 598 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384 599 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256 600 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA 601 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384 602 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA256 603 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA 604 * MBEDTLS_TLS_RSA_WITH_NULL_SHA256 605 * MBEDTLS_TLS_RSA_WITH_NULL_SHA 606 * MBEDTLS_TLS_RSA_WITH_NULL_MD5 607 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384 608 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA256 609 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA 610 * MBEDTLS_TLS_PSK_WITH_NULL_SHA384 611 * MBEDTLS_TLS_PSK_WITH_NULL_SHA256 612 * MBEDTLS_TLS_PSK_WITH_NULL_SHA 613 * 614 * Uncomment this macro to enable the NULL cipher and ciphersuites 615 */ 616//#define MBEDTLS_CIPHER_NULL_CIPHER 617 618/** 619 * \def MBEDTLS_CIPHER_PADDING_PKCS7 620 * 621 * MBEDTLS_CIPHER_PADDING_XXX: Uncomment or comment macros to add support for 622 * specific padding modes in the cipher layer with cipher modes that support 623 * padding (e.g. CBC) 624 * 625 * If you disable all padding modes, only full blocks can be used with CBC. 626 * 627 * Enable padding modes in the cipher layer. 628 */ 629#define MBEDTLS_CIPHER_PADDING_PKCS7 630#define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS 631#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN 632#define MBEDTLS_CIPHER_PADDING_ZEROS 633 634/** \def MBEDTLS_CTR_DRBG_USE_128_BIT_KEY 635 * 636 * Uncomment this macro to use a 128-bit key in the CTR_DRBG module. 637 * By default, CTR_DRBG uses a 256-bit key. 638 */ 639//#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY 640 641/** 642 * \def MBEDTLS_ECP_DP_SECP192R1_ENABLED 643 * 644 * MBEDTLS_ECP_XXXX_ENABLED: Enables specific curves within the Elliptic Curve 645 * module. By default all supported curves are enabled. 646 * 647 * Comment macros to disable the curve and functions for it 648 */ 649/* Short Weierstrass curves (supporting ECP, ECDH, ECDSA) */ 650#define MBEDTLS_ECP_DP_SECP192R1_ENABLED 651#define MBEDTLS_ECP_DP_SECP224R1_ENABLED 652#define MBEDTLS_ECP_DP_SECP256R1_ENABLED 653#define MBEDTLS_ECP_DP_SECP384R1_ENABLED 654#define MBEDTLS_ECP_DP_SECP521R1_ENABLED 655#define MBEDTLS_ECP_DP_SECP192K1_ENABLED 656#define MBEDTLS_ECP_DP_SECP224K1_ENABLED 657#define MBEDTLS_ECP_DP_SECP256K1_ENABLED 658#define MBEDTLS_ECP_DP_BP256R1_ENABLED 659#define MBEDTLS_ECP_DP_BP384R1_ENABLED 660#define MBEDTLS_ECP_DP_BP512R1_ENABLED 661/* Montgomery curves (supporting ECP) */ 662#define MBEDTLS_ECP_DP_CURVE25519_ENABLED 663#define MBEDTLS_ECP_DP_CURVE448_ENABLED 664 665/** 666 * \def MBEDTLS_ECP_NIST_OPTIM 667 * 668 * Enable specific 'modulo p' routines for each NIST prime. 669 * Depending on the prime and architecture, makes operations 4 to 8 times 670 * faster on the corresponding curve. 671 * 672 * Comment this macro to disable NIST curves optimisation. 673 */ 674#define MBEDTLS_ECP_NIST_OPTIM 675 676/** 677 * \def MBEDTLS_ECP_RESTARTABLE 678 * 679 * Enable "non-blocking" ECC operations that can return early and be resumed. 680 * 681 * This allows various functions to pause by returning 682 * #MBEDTLS_ERR_ECP_IN_PROGRESS (or, for functions in the SSL module, 683 * #MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) and then be called later again in 684 * order to further progress and eventually complete their operation. This is 685 * controlled through mbedtls_ecp_set_max_ops() which limits the maximum 686 * number of ECC operations a function may perform before pausing; see 687 * mbedtls_ecp_set_max_ops() for more information. 688 * 689 * This is useful in non-threaded environments if you want to avoid blocking 690 * for too long on ECC (and, hence, X.509 or SSL/TLS) operations. 691 * 692 * Uncomment this macro to enable restartable ECC computations. 693 * 694 * \note This option only works with the default software implementation of 695 * elliptic curve functionality. It is incompatible with 696 * MBEDTLS_ECP_ALT, MBEDTLS_ECDH_XXX_ALT, MBEDTLS_ECDSA_XXX_ALT. 697 */ 698//#define MBEDTLS_ECP_RESTARTABLE 699 700/** 701 * \def MBEDTLS_ECDSA_DETERMINISTIC 702 * 703 * Enable deterministic ECDSA (RFC 6979). 704 * Standard ECDSA is "fragile" in the sense that lack of entropy when signing 705 * may result in a compromise of the long-term signing key. This is avoided by 706 * the deterministic variant. 707 * 708 * Requires: MBEDTLS_HMAC_DRBG_C, MBEDTLS_ECDSA_C 709 * 710 * Comment this macro to disable deterministic ECDSA. 711 */ 712//#define MBEDTLS_ECDSA_DETERMINISTIC 713 714/** 715 * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 716 * 717 * Enable the PSK based ciphersuite modes in SSL / TLS. 718 * 719 * This enables the following ciphersuites (if other requisites are 720 * enabled as well): 721 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 722 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 723 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 724 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 725 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 726 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 727 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 728 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 729 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 730 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 731 */ 732//#define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED 733 734/** 735 * \def MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 736 * 737 * Enable the DHE-PSK based ciphersuite modes in SSL / TLS. 738 * 739 * Requires: MBEDTLS_DHM_C 740 * 741 * This enables the following ciphersuites (if other requisites are 742 * enabled as well): 743 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 744 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 745 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 746 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 747 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 748 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 749 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 750 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 751 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 752 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 753 * 754 * \warning Using DHE constitutes a security risk as it 755 * is not possible to validate custom DH parameters. 756 * If possible, it is recommended users should consider 757 * preferring other methods of key exchange. 758 * See dhm.h for more details. 759 * 760 */ 761//#define MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED 762 763/** 764 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 765 * 766 * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS. 767 * 768 * Requires: MBEDTLS_ECDH_C 769 * 770 * This enables the following ciphersuites (if other requisites are 771 * enabled as well): 772 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 773 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 774 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 775 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 776 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 777 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 778 */ 779//#define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED 780 781/** 782 * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 783 * 784 * Enable the RSA-PSK based ciphersuite modes in SSL / TLS. 785 * 786 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 787 * MBEDTLS_X509_CRT_PARSE_C 788 * 789 * This enables the following ciphersuites (if other requisites are 790 * enabled as well): 791 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 792 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 793 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 794 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 795 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 796 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 797 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 798 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 799 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 800 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 801 */ 802//#define MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED 803 804/** 805 * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 806 * 807 * Enable the RSA-only based ciphersuite modes in SSL / TLS. 808 * 809 * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 810 * MBEDTLS_X509_CRT_PARSE_C 811 * 812 * This enables the following ciphersuites (if other requisites are 813 * enabled as well): 814 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 815 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 816 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 817 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 818 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 819 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 820 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 821 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 822 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 823 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 824 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 825 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 826 */ 827//#define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED 828 829/** 830 * \def MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 831 * 832 * Enable the DHE-RSA based ciphersuite modes in SSL / TLS. 833 * 834 * Requires: MBEDTLS_DHM_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 835 * MBEDTLS_X509_CRT_PARSE_C 836 * 837 * This enables the following ciphersuites (if other requisites are 838 * enabled as well): 839 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 840 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 841 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 842 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 843 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 844 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 845 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 846 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 847 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 848 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 849 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 850 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 851 * 852 * \warning Using DHE constitutes a security risk as it 853 * is not possible to validate custom DH parameters. 854 * If possible, it is recommended users should consider 855 * preferring other methods of key exchange. 856 * See dhm.h for more details. 857 * 858 */ 859//#define MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED 860 861/** 862 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 863 * 864 * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS. 865 * 866 * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, 867 * MBEDTLS_X509_CRT_PARSE_C 868 * 869 * This enables the following ciphersuites (if other requisites are 870 * enabled as well): 871 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 872 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 873 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 874 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 875 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 876 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 877 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 878 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 879 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 880 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 881 */ 882#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED 883 884/** 885 * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 886 * 887 * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS. 888 * 889 * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C, 890 * 891 * This enables the following ciphersuites (if other requisites are 892 * enabled as well): 893 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 894 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 895 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 896 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 897 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 898 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 899 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 900 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 901 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 902 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 903 */ 904#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 905 906/** 907 * \def MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 908 * 909 * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS. 910 * 911 * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C 912 * 913 * This enables the following ciphersuites (if other requisites are 914 * enabled as well): 915 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 916 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 917 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 918 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 919 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 920 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 921 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 922 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 923 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 924 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 925 */ 926//#define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED 927 928/** 929 * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 930 * 931 * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS. 932 * 933 * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_X509_CRT_PARSE_C 934 * 935 * This enables the following ciphersuites (if other requisites are 936 * enabled as well): 937 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 938 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 939 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 940 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 941 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 942 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 943 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 944 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 945 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 946 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 947 */ 948//#define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED 949 950/** 951 * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 952 * 953 * Enable the ECJPAKE based ciphersuite modes in SSL / TLS. 954 * 955 * \warning This is currently experimental. EC J-PAKE support is based on the 956 * Thread v1.0.0 specification; incompatible changes to the specification 957 * might still happen. For this reason, this is disabled by default. 958 * 959 * Requires: MBEDTLS_ECJPAKE_C 960 * MBEDTLS_SHA256_C 961 * MBEDTLS_ECP_DP_SECP256R1_ENABLED 962 * 963 * This enables the following ciphersuites (if other requisites are 964 * enabled as well): 965 * MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8 966 */ 967//#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED 968 969/** 970 * \def MBEDTLS_PK_PARSE_EC_EXTENDED 971 * 972 * Enhance support for reading EC keys using variants of SEC1 not allowed by 973 * RFC 5915 and RFC 5480. 974 * 975 * Currently this means parsing the SpecifiedECDomain choice of EC 976 * parameters (only known groups are supported, not arbitrary domains, to 977 * avoid validation issues). 978 * 979 * Disable if you only need to support RFC 5915 + 5480 key formats. 980 */ 981//#define MBEDTLS_PK_PARSE_EC_EXTENDED 982 983/** 984 * \def MBEDTLS_ERROR_STRERROR_DUMMY 985 * 986 * Enable a dummy error function to make use of mbedtls_strerror() in 987 * third party libraries easier when MBEDTLS_ERROR_C is disabled 988 * (no effect when MBEDTLS_ERROR_C is enabled). 989 * 990 * You can safely disable this if MBEDTLS_ERROR_C is enabled, or if you're 991 * not using mbedtls_strerror() or error_strerror() in your application. 992 * 993 * Disable if you run into name conflicts and want to really remove the 994 * mbedtls_strerror() 995 */ 996#define MBEDTLS_ERROR_STRERROR_DUMMY 997 998/** 999 * \def MBEDTLS_GENPRIME 1000 * 1001 * Enable the prime-number generation code. 1002 * 1003 * Requires: MBEDTLS_BIGNUM_C 1004 */ 1005#define MBEDTLS_GENPRIME 1006 1007/** 1008 * \def MBEDTLS_FS_IO 1009 * 1010 * Enable functions that use the filesystem. 1011 */ 1012#define MBEDTLS_FS_IO 1013 1014/** 1015 * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 1016 * 1017 * Do not add default entropy sources in mbedtls_entropy_init(). 1018 * 1019 * This is useful to have more control over the added entropy sources in an 1020 * application. 1021 * 1022 * Uncomment this macro to prevent loading of default entropy functions. 1023 */ 1024//#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES 1025 1026/** 1027 * \def MBEDTLS_NO_PLATFORM_ENTROPY 1028 * 1029 * Do not use built-in platform entropy functions. 1030 * This is useful if your platform does not support 1031 * standards like the /dev/urandom or Windows CryptoAPI. 1032 * 1033 * Uncomment this macro to disable the built-in platform entropy functions. 1034 */ 1035//#define MBEDTLS_NO_PLATFORM_ENTROPY 1036 1037/** 1038 * \def MBEDTLS_ENTROPY_FORCE_SHA256 1039 * 1040 * Force the entropy accumulator to use a SHA-256 accumulator instead of the 1041 * default SHA-512 based one (if both are available). 1042 * 1043 * Requires: MBEDTLS_SHA256_C 1044 * 1045 * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option 1046 * if you have performance concerns. 1047 * 1048 * This option is only useful if both MBEDTLS_SHA256_C and 1049 * MBEDTLS_SHA512_C are defined. Otherwise the available hash module is used. 1050 */ 1051//#define MBEDTLS_ENTROPY_FORCE_SHA256 1052 1053/** 1054 * \def MBEDTLS_ENTROPY_NV_SEED 1055 * 1056 * Enable the non-volatile (NV) seed file-based entropy source. 1057 * (Also enables the NV seed read/write functions in the platform layer) 1058 * 1059 * This is crucial (if not required) on systems that do not have a 1060 * cryptographic entropy source (in hardware or kernel) available. 1061 * 1062 * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C 1063 * 1064 * \note The read/write functions that are used by the entropy source are 1065 * determined in the platform layer, and can be modified at runtime and/or 1066 * compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used. 1067 * 1068 * \note If you use the default implementation functions that read a seedfile 1069 * with regular fopen(), please make sure you make a seedfile with the 1070 * proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at 1071 * least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from 1072 * and written to or you will get an entropy source error! The default 1073 * implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE 1074 * bytes from the file. 1075 * 1076 * \note The entropy collector will write to the seed file before entropy is 1077 * given to an external source, to update it. 1078 */ 1079//#define MBEDTLS_ENTROPY_NV_SEED 1080 1081/* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER 1082 * 1083 * Enable key identifiers that encode a key owner identifier. 1084 * 1085 * The owner of a key is identified by a value of type ::mbedtls_key_owner_id_t 1086 * which is currently hard-coded to be int32_t. 1087 * 1088 * Note that this option is meant for internal use only and may be removed 1089 * without notice. It is incompatible with MBEDTLS_USE_PSA_CRYPTO. 1090 */ 1091//#define MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER 1092 1093/** 1094 * \def MBEDTLS_MEMORY_DEBUG 1095 * 1096 * Enable debugging of buffer allocator memory issues. Automatically prints 1097 * (to stderr) all (fatal) messages on memory allocation issues. Enables 1098 * function for 'debug output' of allocated memory. 1099 * 1100 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1101 * 1102 * Uncomment this macro to let the buffer allocator print out error messages. 1103 */ 1104//#define MBEDTLS_MEMORY_DEBUG 1105 1106/** 1107 * \def MBEDTLS_MEMORY_BACKTRACE 1108 * 1109 * Include backtrace information with each allocated block. 1110 * 1111 * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C 1112 * GLIBC-compatible backtrace() an backtrace_symbols() support 1113 * 1114 * Uncomment this macro to include backtrace information 1115 */ 1116//#define MBEDTLS_MEMORY_BACKTRACE 1117 1118/** 1119 * \def MBEDTLS_PK_RSA_ALT_SUPPORT 1120 * 1121 * Support external private RSA keys (eg from a HSM) in the PK layer. 1122 * 1123 * Comment this macro to disable support for external private RSA keys. 1124 */ 1125#define MBEDTLS_PK_RSA_ALT_SUPPORT 1126 1127/** 1128 * \def MBEDTLS_PKCS1_V15 1129 * 1130 * Enable support for PKCS#1 v1.5 encoding. 1131 * 1132 * Requires: MBEDTLS_RSA_C 1133 * 1134 * This enables support for PKCS#1 v1.5 operations. 1135 */ 1136#define MBEDTLS_PKCS1_V15 1137 1138/** 1139 * \def MBEDTLS_PKCS1_V21 1140 * 1141 * Enable support for PKCS#1 v2.1 encoding. 1142 * 1143 * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C 1144 * 1145 * This enables support for RSAES-OAEP and RSASSA-PSS operations. 1146 */ 1147#define MBEDTLS_PKCS1_V21 1148 1149/** \def MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS 1150 * 1151 * Enable support for platform built-in keys. If you enable this feature, 1152 * you must implement the function mbedtls_psa_platform_get_builtin_key(). 1153 * See the documentation of that function for more information. 1154 * 1155 * Built-in keys are typically derived from a hardware unique key or 1156 * stored in a secure element. 1157 * 1158 * Requires: MBEDTLS_PSA_CRYPTO_C. 1159 * 1160 * \warning This interface is experimental and may change or be removed 1161 * without notice. 1162 */ 1163//#define MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS 1164 1165/** \def MBEDTLS_PSA_CRYPTO_CLIENT 1166 * 1167 * Enable support for PSA crypto client. 1168 * 1169 * \note This option allows to include the code necessary for a PSA 1170 * crypto client when the PSA crypto implementation is not included in 1171 * the library (MBEDTLS_PSA_CRYPTO_C disabled). The code included is the 1172 * code to set and get PSA key attributes. 1173 * The development of PSA drivers partially relying on the library to 1174 * fulfill the hardware gaps is another possible usage of this option. 1175 * 1176 * \warning This interface is experimental and may change or be removed 1177 * without notice. 1178 */ 1179//#define MBEDTLS_PSA_CRYPTO_CLIENT 1180 1181/** \def MBEDTLS_PSA_CRYPTO_DRIVERS 1182 * 1183 * Enable support for the experimental PSA crypto driver interface. 1184 * 1185 * Requires: MBEDTLS_PSA_CRYPTO_C 1186 * 1187 * \warning This interface is experimental and may change or be removed 1188 * without notice. 1189 */ 1190//#define MBEDTLS_PSA_CRYPTO_DRIVERS 1191 1192/** \def MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG 1193 * 1194 * Make the PSA Crypto module use an external random generator provided 1195 * by a driver, instead of Mbed TLS's entropy and DRBG modules. 1196 * 1197 * \note This random generator must deliver random numbers with cryptographic 1198 * quality and high performance. It must supply unpredictable numbers 1199 * with a uniform distribution. The implementation of this function 1200 * is responsible for ensuring that the random generator is seeded 1201 * with sufficient entropy. If you have a hardware TRNG which is slow 1202 * or delivers non-uniform output, declare it as an entropy source 1203 * with mbedtls_entropy_add_source() instead of enabling this option. 1204 * 1205 * If you enable this option, you must configure the type 1206 * ::mbedtls_psa_external_random_context_t in psa/crypto_platform.h 1207 * and define a function called mbedtls_psa_external_get_random() 1208 * with the following prototype: 1209 * ``` 1210 * psa_status_t mbedtls_psa_external_get_random( 1211 * mbedtls_psa_external_random_context_t *context, 1212 * uint8_t *output, size_t output_size, size_t *output_length); 1213 * ); 1214 * ``` 1215 * The \c context value is initialized to 0 before the first call. 1216 * The function must fill the \c output buffer with \p output_size bytes 1217 * of random data and set \c *output_length to \p output_size. 1218 * 1219 * Requires: MBEDTLS_PSA_CRYPTO_C 1220 * 1221 * \warning If you enable this option, code that uses the PSA cryptography 1222 * interface will not use any of the entropy sources set up for 1223 * the entropy module, nor the NV seed that MBEDTLS_ENTROPY_NV_SEED 1224 * enables. 1225 * 1226 * \note This option is experimental and may be removed without notice. 1227 */ 1228//#define MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG 1229 1230/** 1231 * \def MBEDTLS_PSA_CRYPTO_SPM 1232 * 1233 * When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is built for SPM (Secure 1234 * Partition Manager) integration which separates the code into two parts: a 1235 * NSPE (Non-Secure Process Environment) and an SPE (Secure Process 1236 * Environment). 1237 * 1238 * Module: library/psa_crypto.c 1239 * Requires: MBEDTLS_PSA_CRYPTO_C 1240 * 1241 */ 1242//#define MBEDTLS_PSA_CRYPTO_SPM 1243 1244/** 1245 * \def MBEDTLS_PSA_INJECT_ENTROPY 1246 * 1247 * Enable support for entropy injection at first boot. This feature is 1248 * required on systems that do not have a built-in entropy source (TRNG). 1249 * This feature is currently not supported on systems that have a built-in 1250 * entropy source. 1251 * 1252 * Requires: MBEDTLS_PSA_CRYPTO_STORAGE_C, MBEDTLS_ENTROPY_NV_SEED 1253 * 1254 */ 1255//#define MBEDTLS_PSA_INJECT_ENTROPY 1256 1257/** 1258 * \def MBEDTLS_RSA_NO_CRT 1259 * 1260 * Do not use the Chinese Remainder Theorem 1261 * for the RSA private operation. 1262 * 1263 * Uncomment this macro to disable the use of CRT in RSA. 1264 * 1265 */ 1266//#define MBEDTLS_RSA_NO_CRT 1267 1268/** 1269 * \def MBEDTLS_SELF_TEST 1270 * 1271 * Enable the checkup functions (*_self_test). 1272 */ 1273//#define MBEDTLS_SELF_TEST 1274 1275/** 1276 * \def MBEDTLS_SHA256_SMALLER 1277 * 1278 * Enable an implementation of SHA-256 that has lower ROM footprint but also 1279 * lower performance. 1280 * 1281 * The default implementation is meant to be a reasonnable compromise between 1282 * performance and size. This version optimizes more aggressively for size at 1283 * the expense of performance. Eg on Cortex-M4 it reduces the size of 1284 * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about 1285 * 30%. 1286 * 1287 * Uncomment to enable the smaller implementation of SHA256. 1288 */ 1289//#define MBEDTLS_SHA256_SMALLER 1290 1291/** 1292 * \def MBEDTLS_SHA512_SMALLER 1293 * 1294 * Enable an implementation of SHA-512 that has lower ROM footprint but also 1295 * lower performance. 1296 * 1297 * Uncomment to enable the smaller implementation of SHA512. 1298 */ 1299//#define MBEDTLS_SHA512_SMALLER 1300 1301/** 1302 * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES 1303 * 1304 * Enable sending of alert messages in case of encountered errors as per RFC. 1305 * If you choose not to send the alert messages, mbed TLS can still communicate 1306 * with other servers, only debugging of failures is harder. 1307 * 1308 * The advantage of not sending alert messages, is that no information is given 1309 * about reasons for failures thus preventing adversaries of gaining intel. 1310 * 1311 * Enable sending of all alert messages 1312 */ 1313#define MBEDTLS_SSL_ALL_ALERT_MESSAGES 1314 1315/** 1316 * \def MBEDTLS_SSL_DTLS_CONNECTION_ID 1317 * 1318 * Enable support for the DTLS Connection ID extension 1319 * (version draft-ietf-tls-dtls-connection-id-05, 1320 * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05) 1321 * which allows to identify DTLS connections across changes 1322 * in the underlying transport. 1323 * 1324 * Setting this option enables the SSL APIs `mbedtls_ssl_set_cid()`, 1325 * `mbedtls_ssl_get_peer_cid()` and `mbedtls_ssl_conf_cid()`. 1326 * See the corresponding documentation for more information. 1327 * 1328 * \warning The Connection ID extension is still in draft state. 1329 * We make no stability promises for the availability 1330 * or the shape of the API controlled by this option. 1331 * 1332 * The maximum lengths of outgoing and incoming CIDs can be configured 1333 * through the options 1334 * - MBEDTLS_SSL_CID_OUT_LEN_MAX 1335 * - MBEDTLS_SSL_CID_IN_LEN_MAX. 1336 * 1337 * Requires: MBEDTLS_SSL_PROTO_DTLS 1338 * 1339 * Uncomment to enable the Connection ID extension. 1340 */ 1341//#define MBEDTLS_SSL_DTLS_CONNECTION_ID 1342 1343/** 1344 * \def MBEDTLS_SSL_ASYNC_PRIVATE 1345 * 1346 * Enable asynchronous external private key operations in SSL. This allows 1347 * you to configure an SSL connection to call an external cryptographic 1348 * module to perform private key operations instead of performing the 1349 * operation inside the library. 1350 * 1351 */ 1352//#define MBEDTLS_SSL_ASYNC_PRIVATE 1353 1354/** 1355 * \def MBEDTLS_SSL_CONTEXT_SERIALIZATION 1356 * 1357 * Enable serialization of the TLS context structures, through use of the 1358 * functions mbedtls_ssl_context_save() and mbedtls_ssl_context_load(). 1359 * 1360 * This pair of functions allows one side of a connection to serialize the 1361 * context associated with the connection, then free or re-use that context 1362 * while the serialized state is persisted elsewhere, and finally deserialize 1363 * that state to a live context for resuming read/write operations on the 1364 * connection. From a protocol perspective, the state of the connection is 1365 * unaffected, in particular this is entirely transparent to the peer. 1366 * 1367 * Note: this is distinct from TLS session resumption, which is part of the 1368 * protocol and fully visible by the peer. TLS session resumption enables 1369 * establishing new connections associated to a saved session with shorter, 1370 * lighter handshakes, while context serialization is a local optimization in 1371 * handling a single, potentially long-lived connection. 1372 * 1373 * Enabling these APIs makes some SSL structures larger, as 64 extra bytes are 1374 * saved after the handshake to allow for more efficient serialization, so if 1375 * you don't need this feature you'll save RAM by disabling it. 1376 * 1377 * Comment to disable the context serialization APIs. 1378 */ 1379#define MBEDTLS_SSL_CONTEXT_SERIALIZATION 1380 1381/** 1382 * \def MBEDTLS_SSL_DEBUG_ALL 1383 * 1384 * Enable the debug messages in SSL module for all issues. 1385 * Debug messages have been disabled in some places to prevent timing 1386 * attacks due to (unbalanced) debugging function calls. 1387 * 1388 * If you need all error reporting you should enable this during debugging, 1389 * but remove this for production servers that should log as well. 1390 * 1391 * Uncomment this macro to report all debug messages on errors introducing 1392 * a timing side-channel. 1393 * 1394 */ 1395//#define MBEDTLS_SSL_DEBUG_ALL 1396 1397/** \def MBEDTLS_SSL_ENCRYPT_THEN_MAC 1398 * 1399 * Enable support for Encrypt-then-MAC, RFC 7366. 1400 * 1401 * This allows peers that both support it to use a more robust protection for 1402 * ciphersuites using CBC, providing deep resistance against timing attacks 1403 * on the padding or underlying cipher. 1404 * 1405 * This only affects CBC ciphersuites, and is useless if none is defined. 1406 * 1407 * Requires: MBEDTLS_SSL_PROTO_TLS1_2 1408 * 1409 * Comment this macro to disable support for Encrypt-then-MAC 1410 */ 1411#define MBEDTLS_SSL_ENCRYPT_THEN_MAC 1412 1413/** \def MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1414 * 1415 * Enable support for RFC 7627: Session Hash and Extended Master Secret 1416 * Extension. 1417 * 1418 * This was introduced as "the proper fix" to the Triple Handshake familiy of 1419 * attacks, but it is recommended to always use it (even if you disable 1420 * renegotiation), since it actually fixes a more fundamental issue in the 1421 * original SSL/TLS design, and has implications beyond Triple Handshake. 1422 * 1423 * Requires: MBEDTLS_SSL_PROTO_TLS1_2 1424 * 1425 * Comment this macro to disable support for Extended Master Secret. 1426 */ 1427#define MBEDTLS_SSL_EXTENDED_MASTER_SECRET 1428 1429/** 1430 * \def MBEDTLS_SSL_KEEP_PEER_CERTIFICATE 1431 * 1432 * This option controls the availability of the API mbedtls_ssl_get_peer_cert() 1433 * giving access to the peer's certificate after completion of the handshake. 1434 * 1435 * Unless you need mbedtls_ssl_peer_cert() in your application, it is 1436 * recommended to disable this option for reduced RAM usage. 1437 * 1438 * \note If this option is disabled, mbedtls_ssl_get_peer_cert() is still 1439 * defined, but always returns \c NULL. 1440 * 1441 * \note This option has no influence on the protection against the 1442 * triple handshake attack. Even if it is disabled, Mbed TLS will 1443 * still ensure that certificates do not change during renegotiation, 1444 * for exaple by keeping a hash of the peer's certificate. 1445 * 1446 * Comment this macro to disable storing the peer's certificate 1447 * after the handshake. 1448 */ 1449#define MBEDTLS_SSL_KEEP_PEER_CERTIFICATE 1450 1451/** 1452 * \def MBEDTLS_SSL_RENEGOTIATION 1453 * 1454 * Enable support for TLS renegotiation. 1455 * 1456 * The two main uses of renegotiation are (1) refresh keys on long-lived 1457 * connections and (2) client authentication after the initial handshake. 1458 * If you don't need renegotiation, it's probably better to disable it, since 1459 * it has been associated with security issues in the past and is easy to 1460 * misuse/misunderstand. 1461 * 1462 * Comment this to disable support for renegotiation. 1463 * 1464 * \note Even if this option is disabled, both client and server are aware 1465 * of the Renegotiation Indication Extension (RFC 5746) used to 1466 * prevent the SSL renegotiation attack (see RFC 5746 Sect. 1). 1467 * (See \c mbedtls_ssl_conf_legacy_renegotiation for the 1468 * configuration of this extension). 1469 * 1470 */ 1471#define MBEDTLS_SSL_RENEGOTIATION 1472 1473/** 1474 * \def MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1475 * 1476 * Enable support for RFC 6066 max_fragment_length extension in SSL. 1477 * 1478 * Comment this macro to disable support for the max_fragment_length extension 1479 */ 1480#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1481 1482/** 1483 * \def MBEDTLS_SSL_PROTO_TLS1_2 1484 * 1485 * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled). 1486 * 1487 * Requires: MBEDTLS_SHA1_C or MBEDTLS_SHA256_C or MBEDTLS_SHA512_C 1488 * (Depends on ciphersuites) 1489 * 1490 * Comment this macro to disable support for TLS 1.2 / DTLS 1.2 1491 */ 1492#define MBEDTLS_SSL_PROTO_TLS1_2 1493 1494/** 1495 * \def MBEDTLS_SSL_PROTO_TLS1_3 1496 * 1497 * Enable support for TLS 1.3. 1498 * 1499 * \note The support for TLS 1.3 is not comprehensive yet, in particular 1500 * pre-shared keys are not supported. 1501 * See docs/architecture/tls13-support.md for a description of the TLS 1502 * 1.3 support that this option enables. 1503 * 1504 * Uncomment this macro to enable the support for TLS 1.3. 1505 * 1506 */ 1507//#define MBEDTLS_SSL_PROTO_TLS1_3 1508 1509/** 1510 * \def MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE 1511 * 1512 * Enable TLS 1.3 middlebox compatibility mode. 1513 * 1514 * As specified in Section D.4 of RFC 8446, TLS 1.3 offers a compatibility 1515 * mode to make a TLS 1.3 connection more likely to pass through middle boxes 1516 * expecting TLS 1.2 traffic. 1517 * 1518 * Turning on the compatibility mode comes at the cost of a few added bytes 1519 * on the wire, but it doesn't affect compatibility with TLS 1.3 implementations 1520 * that don't use it. Therefore, unless transmission bandwidth is critical and 1521 * you know that middlebox compatibility issues won't occur, it is therefore 1522 * recommended to set this option. 1523 * 1524 * Comment to disable compatibility mode for TLS 1.3. If 1525 * MBEDTLS_SSL_PROTO_TLS1_3 is not enabled, this option does not have any 1526 * effect on the build. 1527 * 1528 */ 1529//#define MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE 1530 1531/** 1532 * \def MBEDTLS_SSL_PROTO_DTLS 1533 * 1534 * Enable support for DTLS (all available versions). 1535 * 1536 * Enable this and MBEDTLS_SSL_PROTO_TLS1_2 to enable DTLS 1.2. 1537 * 1538 * Requires: MBEDTLS_SSL_PROTO_TLS1_2 1539 * 1540 * Comment this macro to disable support for DTLS 1541 */ 1542//#define MBEDTLS_SSL_PROTO_DTLS 1543 1544/** 1545 * \def MBEDTLS_SSL_ALPN 1546 * 1547 * Enable support for RFC 7301 Application Layer Protocol Negotiation. 1548 * 1549 * Comment this macro to disable support for ALPN. 1550 */ 1551#define MBEDTLS_SSL_ALPN 1552 1553/** 1554 * \def MBEDTLS_SSL_DTLS_ANTI_REPLAY 1555 * 1556 * Enable support for the anti-replay mechanism in DTLS. 1557 * 1558 * Requires: MBEDTLS_SSL_TLS_C 1559 * MBEDTLS_SSL_PROTO_DTLS 1560 * 1561 * \warning Disabling this is often a security risk! 1562 * See mbedtls_ssl_conf_dtls_anti_replay() for details. 1563 * 1564 * Comment this to disable anti-replay in DTLS. 1565 */ 1566//#define MBEDTLS_SSL_DTLS_ANTI_REPLAY 1567 1568/** 1569 * \def MBEDTLS_SSL_DTLS_HELLO_VERIFY 1570 * 1571 * Enable support for HelloVerifyRequest on DTLS servers. 1572 * 1573 * This feature is highly recommended to prevent DTLS servers being used as 1574 * amplifiers in DoS attacks against other hosts. It should always be enabled 1575 * unless you know for sure amplification cannot be a problem in the 1576 * environment in which your server operates. 1577 * 1578 * \warning Disabling this can ba a security risk! (see above) 1579 * 1580 * Requires: MBEDTLS_SSL_PROTO_DTLS 1581 * 1582 * Comment this to disable support for HelloVerifyRequest. 1583 */ 1584//#define MBEDTLS_SSL_DTLS_HELLO_VERIFY 1585 1586/** 1587 * \def MBEDTLS_SSL_DTLS_SRTP 1588 * 1589 * Enable support for negotiation of DTLS-SRTP (RFC 5764) 1590 * through the use_srtp extension. 1591 * 1592 * \note This feature provides the minimum functionality required 1593 * to negotiate the use of DTLS-SRTP and to allow the derivation of 1594 * the associated SRTP packet protection key material. 1595 * In particular, the SRTP packet protection itself, as well as the 1596 * demultiplexing of RTP and DTLS packets at the datagram layer 1597 * (see Section 5 of RFC 5764), are not handled by this feature. 1598 * Instead, after successful completion of a handshake negotiating 1599 * the use of DTLS-SRTP, the extended key exporter API 1600 * mbedtls_ssl_conf_export_keys_cb() should be used to implement 1601 * the key exporter described in Section 4.2 of RFC 5764 and RFC 5705 1602 * (this is implemented in the SSL example programs). 1603 * The resulting key should then be passed to an SRTP stack. 1604 * 1605 * Setting this option enables the runtime API 1606 * mbedtls_ssl_conf_dtls_srtp_protection_profiles() 1607 * through which the supported DTLS-SRTP protection 1608 * profiles can be configured. You must call this API at 1609 * runtime if you wish to negotiate the use of DTLS-SRTP. 1610 * 1611 * Requires: MBEDTLS_SSL_PROTO_DTLS 1612 * 1613 * Uncomment this to enable support for use_srtp extension. 1614 */ 1615//#define MBEDTLS_SSL_DTLS_SRTP 1616 1617/** 1618 * \def MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1619 * 1620 * Enable server-side support for clients that reconnect from the same port. 1621 * 1622 * Some clients unexpectedly close the connection and try to reconnect using the 1623 * same source port. This needs special support from the server to handle the 1624 * new connection securely, as described in section 4.2.8 of RFC 6347. This 1625 * flag enables that support. 1626 * 1627 * Requires: MBEDTLS_SSL_DTLS_HELLO_VERIFY 1628 * 1629 * Comment this to disable support for clients reusing the source port. 1630 */ 1631//#define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE 1632 1633/** 1634 * \def MBEDTLS_SSL_SESSION_TICKETS 1635 * 1636 * Enable support for RFC 5077 session tickets in SSL. 1637 * Client-side, provides full support for session tickets (maintenance of a 1638 * session store remains the responsibility of the application, though). 1639 * Server-side, you also need to provide callbacks for writing and parsing 1640 * tickets, including authenticated encryption and key management. Example 1641 * callbacks are provided by MBEDTLS_SSL_TICKET_C. 1642 * 1643 * Comment this macro to disable support for SSL session tickets 1644 */ 1645#define MBEDTLS_SSL_SESSION_TICKETS 1646 1647/** 1648 * \def MBEDTLS_SSL_SERVER_NAME_INDICATION 1649 * 1650 * Enable support for RFC 6066 server name indication (SNI) in SSL. 1651 * 1652 * Requires: MBEDTLS_X509_CRT_PARSE_C 1653 * 1654 * Comment this macro to disable support for server name indication in SSL 1655 */ 1656#define MBEDTLS_SSL_SERVER_NAME_INDICATION 1657 1658/** 1659 * \def MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH 1660 * 1661 * When this option is enabled, the SSL buffer will be resized automatically 1662 * based on the negotiated maximum fragment length in each direction. 1663 * 1664 * Requires: MBEDTLS_SSL_MAX_FRAGMENT_LENGTH 1665 */ 1666//#define MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH 1667 1668/** 1669 * \def MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN 1670 * 1671 * Enable testing of the constant-flow nature of some sensitive functions with 1672 * clang's MemorySanitizer. This causes some existing tests to also test 1673 * this non-functional property of the code under test. 1674 * 1675 * This setting requires compiling with clang -fsanitize=memory. The test 1676 * suites can then be run normally. 1677 * 1678 * \warning This macro is only used for extended testing; it is not considered 1679 * part of the library's API, so it may change or disappear at any time. 1680 * 1681 * Uncomment to enable testing of the constant-flow nature of selected code. 1682 */ 1683//#define MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN 1684 1685/** 1686 * \def MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND 1687 * 1688 * Enable testing of the constant-flow nature of some sensitive functions with 1689 * valgrind's memcheck tool. This causes some existing tests to also test 1690 * this non-functional property of the code under test. 1691 * 1692 * This setting requires valgrind headers for building, and is only useful for 1693 * testing if the tests suites are run with valgrind's memcheck. This can be 1694 * done for an individual test suite with 'valgrind ./test_suite_xxx', or when 1695 * using CMake, this can be done for all test suites with 'make memcheck'. 1696 * 1697 * \warning This macro is only used for extended testing; it is not considered 1698 * part of the library's API, so it may change or disappear at any time. 1699 * 1700 * Uncomment to enable testing of the constant-flow nature of selected code. 1701 */ 1702//#define MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND 1703 1704/** 1705 * \def MBEDTLS_TEST_HOOKS 1706 * 1707 * Enable features for invasive testing such as introspection functions and 1708 * hooks for fault injection. This enables additional unit tests. 1709 * 1710 * Merely enabling this feature should not change the behavior of the product. 1711 * It only adds new code, and new branching points where the default behavior 1712 * is the same as when this feature is disabled. 1713 * However, this feature increases the attack surface: there is an added 1714 * risk of vulnerabilities, and more gadgets that can make exploits easier. 1715 * Therefore this feature must never be enabled in production. 1716 * 1717 * See `docs/architecture/testing/mbed-crypto-invasive-testing.md` for more 1718 * information. 1719 * 1720 * Uncomment to enable invasive tests. 1721 */ 1722//#define MBEDTLS_TEST_HOOKS 1723 1724/** 1725 * \def MBEDTLS_THREADING_ALT 1726 * 1727 * Provide your own alternate threading implementation. 1728 * 1729 * Requires: MBEDTLS_THREADING_C 1730 * 1731 * Uncomment this to allow your own alternate threading implementation. 1732 */ 1733//#define MBEDTLS_THREADING_ALT 1734 1735/** 1736 * \def MBEDTLS_THREADING_PTHREAD 1737 * 1738 * Enable the pthread wrapper layer for the threading layer. 1739 * 1740 * Requires: MBEDTLS_THREADING_C 1741 * 1742 * Uncomment this to enable pthread mutexes. 1743 */ 1744//#define MBEDTLS_THREADING_PTHREAD 1745 1746/** 1747 * \def MBEDTLS_USE_PSA_CRYPTO 1748 * 1749 * Make the X.509 and TLS library use PSA for cryptographic operations, and 1750 * enable new APIs for using keys handled by PSA Crypto. 1751 * 1752 * \note Development of this option is currently in progress, and parts of Mbed 1753 * TLS's X.509 and TLS modules are not ported to PSA yet. However, these parts 1754 * will still continue to work as usual, so enabling this option should not 1755 * break backwards compatibility. 1756 * 1757 * \note See docs/use-psa-crypto.md for a complete description of what this 1758 * option currently does, and of parts that are not affected by it so far. 1759 * 1760 * \warning This option enables new Mbed TLS APIs which are currently 1761 * considered experimental and may change in incompatible ways at any time. 1762 * That is, the APIs enabled by this option are not covered by the usual 1763 * promises of API stability. 1764 * 1765 * Requires: MBEDTLS_PSA_CRYPTO_C. 1766 * 1767 * Uncomment this to enable internal use of PSA Crypto and new associated APIs. 1768 */ 1769//#define MBEDTLS_USE_PSA_CRYPTO 1770 1771/** 1772 * \def MBEDTLS_PSA_CRYPTO_CONFIG 1773 * 1774 * This setting allows support for cryptographic mechanisms through the PSA 1775 * API to be configured separately from support through the mbedtls API. 1776 * 1777 * Uncomment this to enable use of PSA Crypto configuration settings which 1778 * can be found in include/psa/crypto_config.h. 1779 * 1780 * This feature is still experimental and is not ready for production since 1781 * it is not completed. 1782 */ 1783//#define MBEDTLS_PSA_CRYPTO_CONFIG 1784 1785/** 1786 * \def MBEDTLS_VERSION_FEATURES 1787 * 1788 * Allow run-time checking of compile-time enabled features. Thus allowing users 1789 * to check at run-time if the library is for instance compiled with threading 1790 * support via mbedtls_version_check_feature(). 1791 * 1792 * Requires: MBEDTLS_VERSION_C 1793 * 1794 * Comment this to disable run-time checking and save ROM space 1795 */ 1796//#define MBEDTLS_VERSION_FEATURES 1797 1798/** 1799 * \def MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK 1800 * 1801 * If set, this enables the X.509 API `mbedtls_x509_crt_verify_with_ca_cb()` 1802 * and the SSL API `mbedtls_ssl_conf_ca_cb()` which allow users to configure 1803 * the set of trusted certificates through a callback instead of a linked 1804 * list. 1805 * 1806 * This is useful for example in environments where a large number of trusted 1807 * certificates is present and storing them in a linked list isn't efficient 1808 * enough, or when the set of trusted certificates changes frequently. 1809 * 1810 * See the documentation of `mbedtls_x509_crt_verify_with_ca_cb()` and 1811 * `mbedtls_ssl_conf_ca_cb()` for more information. 1812 * 1813 * Uncomment to enable trusted certificate callbacks. 1814 */ 1815//#define MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK 1816 1817/** 1818 * \def MBEDTLS_X509_REMOVE_INFO 1819 * 1820 * Disable mbedtls_x509_*_info() and related APIs. 1821 * 1822 * Uncomment to omit mbedtls_x509_*_info(), as well as mbedtls_debug_print_crt() 1823 * and other functions/constants only used by these functions, thus reducing 1824 * the code footprint by several KB. 1825 */ 1826//#define MBEDTLS_X509_REMOVE_INFO 1827 1828/** 1829 * \def MBEDTLS_X509_RSASSA_PSS_SUPPORT 1830 * 1831 * Enable parsing and verification of X.509 certificates, CRLs and CSRS 1832 * signed with RSASSA-PSS (aka PKCS#1 v2.1). 1833 * 1834 * Comment this macro to disallow using RSASSA-PSS in certificates. 1835 */ 1836//#define MBEDTLS_X509_RSASSA_PSS_SUPPORT 1837/* \} name SECTION: mbed TLS feature support */ 1838 1839/** 1840 * \name SECTION: mbed TLS modules 1841 * 1842 * This section enables or disables entire modules in mbed TLS 1843 * \{ 1844 */ 1845 1846/** 1847 * \def MBEDTLS_AESNI_C 1848 * 1849 * Enable AES-NI support on x86-64. 1850 * 1851 * Module: library/aesni.c 1852 * Caller: library/aes.c 1853 * 1854 * Requires: MBEDTLS_HAVE_ASM 1855 * 1856 * This modules adds support for the AES-NI instructions on x86-64 1857 */ 1858//#define MBEDTLS_AESNI_C 1859 1860/** 1861 * \def MBEDTLS_AES_C 1862 * 1863 * Enable the AES block cipher. 1864 * 1865 * Module: library/aes.c 1866 * Caller: library/cipher.c 1867 * library/pem.c 1868 * library/ctr_drbg.c 1869 * 1870 * This module enables the following ciphersuites (if other requisites are 1871 * enabled as well): 1872 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 1873 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 1874 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 1875 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 1876 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 1877 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 1878 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 1879 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 1880 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 1881 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 1882 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 1883 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 1884 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 1885 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 1886 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 1887 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 1888 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 1889 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 1890 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 1891 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 1892 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA 1893 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 1894 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 1895 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 1896 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 1897 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 1898 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 1899 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 1900 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 1901 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA 1902 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 1903 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 1904 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 1905 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 1906 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA 1907 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 1908 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 1909 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 1910 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 1911 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA 1912 * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 1913 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 1914 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA 1915 * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 1916 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 1917 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA 1918 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 1919 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 1920 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA 1921 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 1922 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 1923 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA 1924 * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 1925 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 1926 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA 1927 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 1928 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 1929 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA 1930 * 1931 * PEM_PARSE uses AES for decrypting encrypted keys. 1932 */ 1933#define MBEDTLS_AES_C 1934 1935/** 1936 * \def MBEDTLS_ASN1_PARSE_C 1937 * 1938 * Enable the generic ASN1 parser. 1939 * 1940 * Module: library/asn1.c 1941 * Caller: library/x509.c 1942 * library/dhm.c 1943 * library/pkcs12.c 1944 * library/pkcs5.c 1945 * library/pkparse.c 1946 */ 1947#define MBEDTLS_ASN1_PARSE_C 1948 1949/** 1950 * \def MBEDTLS_ASN1_WRITE_C 1951 * 1952 * Enable the generic ASN1 writer. 1953 * 1954 * Module: library/asn1write.c 1955 * Caller: library/ecdsa.c 1956 * library/pkwrite.c 1957 * library/x509_create.c 1958 * library/x509write_crt.c 1959 * library/x509write_csr.c 1960 */ 1961#define MBEDTLS_ASN1_WRITE_C 1962 1963/** 1964 * \def MBEDTLS_BASE64_C 1965 * 1966 * Enable the Base64 module. 1967 * 1968 * Module: library/base64.c 1969 * Caller: library/pem.c 1970 * 1971 * This module is required for PEM support (required by X.509). 1972 */ 1973#define MBEDTLS_BASE64_C 1974 1975/** 1976 * \def MBEDTLS_BIGNUM_C 1977 * 1978 * Enable the multi-precision integer library. 1979 * 1980 * Module: library/bignum.c 1981 * Caller: library/dhm.c 1982 * library/ecp.c 1983 * library/ecdsa.c 1984 * library/rsa.c 1985 * library/rsa_alt_helpers.c 1986 * library/ssl_tls.c 1987 * 1988 * This module is required for RSA, DHM and ECC (ECDH, ECDSA) support. 1989 */ 1990#define MBEDTLS_BIGNUM_C 1991 1992/** 1993 * \def MBEDTLS_CAMELLIA_C 1994 * 1995 * Enable the Camellia block cipher. 1996 * 1997 * Module: library/camellia.c 1998 * Caller: library/cipher.c 1999 * 2000 * This module enables the following ciphersuites (if other requisites are 2001 * enabled as well): 2002 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 2003 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 2004 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 2005 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 2006 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 2007 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 2008 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 2009 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 2010 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 2011 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 2012 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 2013 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 2014 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 2015 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 2016 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA 2017 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 2018 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 2019 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 2020 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 2021 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 2022 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 2023 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA 2024 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 2025 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 2026 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 2027 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 2028 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 2029 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 2030 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 2031 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 2032 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA 2033 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 2034 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 2035 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA 2036 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 2037 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 2038 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 2039 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 2040 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 2041 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 2042 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 2043 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 2044 */ 2045//#define MBEDTLS_CAMELLIA_C 2046 2047/** 2048 * \def MBEDTLS_ARIA_C 2049 * 2050 * Enable the ARIA block cipher. 2051 * 2052 * Module: library/aria.c 2053 * Caller: library/cipher.c 2054 * 2055 * This module enables the following ciphersuites (if other requisites are 2056 * enabled as well): 2057 * 2058 * MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256 2059 * MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384 2060 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 2061 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 2062 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 2063 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 2064 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 2065 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 2066 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 2067 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 2068 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 2069 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 2070 * MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256 2071 * MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384 2072 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 2073 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384 2074 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 2075 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 2076 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 2077 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 2078 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 2079 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 2080 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 2081 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 2082 * MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256 2083 * MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384 2084 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 2085 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 2086 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 2087 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 2088 * MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256 2089 * MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384 2090 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 2091 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 2092 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 2093 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 2094 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 2095 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 2096 */ 2097#define MBEDTLS_ARIA_C 2098 2099/** 2100 * \def MBEDTLS_CCM_C 2101 * 2102 * Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher. 2103 * 2104 * Module: library/ccm.c 2105 * 2106 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C 2107 * 2108 * This module enables the AES-CCM ciphersuites, if other requisites are 2109 * enabled as well. 2110 */ 2111//#define MBEDTLS_CCM_C 2112 2113/** 2114 * \def MBEDTLS_CHACHA20_C 2115 * 2116 * Enable the ChaCha20 stream cipher. 2117 * 2118 * Module: library/chacha20.c 2119 */ 2120#define MBEDTLS_CHACHA20_C 2121 2122/** 2123 * \def MBEDTLS_CHACHAPOLY_C 2124 * 2125 * Enable the ChaCha20-Poly1305 AEAD algorithm. 2126 * 2127 * Module: library/chachapoly.c 2128 * 2129 * This module requires: MBEDTLS_CHACHA20_C, MBEDTLS_POLY1305_C 2130 */ 2131#define MBEDTLS_CHACHAPOLY_C 2132 2133/** 2134 * \def MBEDTLS_CIPHER_C 2135 * 2136 * Enable the generic cipher layer. 2137 * 2138 * Module: library/cipher.c 2139 * Caller: library/ssl_tls.c 2140 * 2141 * Uncomment to enable generic cipher wrappers. 2142 */ 2143#define MBEDTLS_CIPHER_C 2144 2145/** 2146 * \def MBEDTLS_CMAC_C 2147 * 2148 * Enable the CMAC (Cipher-based Message Authentication Code) mode for block 2149 * ciphers. 2150 * 2151 * \note When #MBEDTLS_CMAC_ALT is active, meaning that the underlying 2152 * implementation of the CMAC algorithm is provided by an alternate 2153 * implementation, that alternate implementation may opt to not support 2154 * AES-192 or 3DES as underlying block ciphers for the CMAC operation. 2155 * 2156 * Module: library/cmac.c 2157 * 2158 * Requires: MBEDTLS_AES_C or MBEDTLS_DES_C 2159 * 2160 */ 2161#define MBEDTLS_CMAC_C 2162 2163/** 2164 * \def MBEDTLS_CTR_DRBG_C 2165 * 2166 * Enable the CTR_DRBG AES-based random generator. 2167 * The CTR_DRBG generator uses AES-256 by default. 2168 * To use AES-128 instead, enable \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY above. 2169 * 2170 * \note To achieve a 256-bit security strength with CTR_DRBG, 2171 * you must use AES-256 *and* use sufficient entropy. 2172 * See ctr_drbg.h for more details. 2173 * 2174 * Module: library/ctr_drbg.c 2175 * Caller: 2176 * 2177 * Requires: MBEDTLS_AES_C 2178 * 2179 * This module provides the CTR_DRBG AES random number generator. 2180 */ 2181#define MBEDTLS_CTR_DRBG_C 2182 2183/** 2184 * \def MBEDTLS_DEBUG_C 2185 * 2186 * Enable the debug functions. 2187 * 2188 * Module: library/debug.c 2189 * Caller: library/ssl_cli.c 2190 * library/ssl_srv.c 2191 * library/ssl_tls.c 2192 * 2193 * This module provides debugging functions. 2194 */ 2195//#define MBEDTLS_DEBUG_C 2196 2197/** 2198 * \def MBEDTLS_DES_C 2199 * 2200 * Enable the DES block cipher. 2201 * 2202 * Module: library/des.c 2203 * Caller: library/pem.c 2204 * library/cipher.c 2205 * 2206 * PEM_PARSE uses DES/3DES for decrypting encrypted keys. 2207 * 2208 * \warning DES is considered a weak cipher and its use constitutes a 2209 * security risk. We recommend considering stronger ciphers instead. 2210 */ 2211#define MBEDTLS_DES_C 2212 2213/** 2214 * \def MBEDTLS_DHM_C 2215 * 2216 * Enable the Diffie-Hellman-Merkle module. 2217 * 2218 * Module: library/dhm.c 2219 * Caller: library/ssl_cli.c 2220 * library/ssl_srv.c 2221 * 2222 * This module is used by the following key exchanges: 2223 * DHE-RSA, DHE-PSK 2224 * 2225 * \warning Using DHE constitutes a security risk as it 2226 * is not possible to validate custom DH parameters. 2227 * If possible, it is recommended users should consider 2228 * preferring other methods of key exchange. 2229 * See dhm.h for more details. 2230 * 2231 */ 2232//#define MBEDTLS_DHM_C 2233 2234/** 2235 * \def MBEDTLS_ECDH_C 2236 * 2237 * Enable the elliptic curve Diffie-Hellman library. 2238 * 2239 * Module: library/ecdh.c 2240 * Caller: library/ssl_cli.c 2241 * library/ssl_srv.c 2242 * 2243 * This module is used by the following key exchanges: 2244 * ECDHE-ECDSA, ECDHE-RSA, DHE-PSK 2245 * 2246 * Requires: MBEDTLS_ECP_C 2247 */ 2248#define MBEDTLS_ECDH_C 2249 2250/** 2251 * \def MBEDTLS_ECDSA_C 2252 * 2253 * Enable the elliptic curve DSA library. 2254 * 2255 * Module: library/ecdsa.c 2256 * Caller: 2257 * 2258 * This module is used by the following key exchanges: 2259 * ECDHE-ECDSA 2260 * 2261 * Requires: MBEDTLS_ECP_C, MBEDTLS_ASN1_WRITE_C, MBEDTLS_ASN1_PARSE_C, 2262 * and at least one MBEDTLS_ECP_DP_XXX_ENABLED for a 2263 * short Weierstrass curve. 2264 */ 2265#define MBEDTLS_ECDSA_C 2266 2267/** 2268 * \def MBEDTLS_ECJPAKE_C 2269 * 2270 * Enable the elliptic curve J-PAKE library. 2271 * 2272 * \note EC J-PAKE support is based on the Thread v1.0.0 specification. 2273 * It has not been reviewed for compliance with newer standards such as 2274 * Thread v1.1 or RFC 8236. 2275 * 2276 * Module: library/ecjpake.c 2277 * Caller: 2278 * 2279 * This module is used by the following key exchanges: 2280 * ECJPAKE 2281 * 2282 * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C 2283 */ 2284#define MBEDTLS_ECJPAKE_C 2285 2286/** 2287 * \def MBEDTLS_ECP_C 2288 * 2289 * Enable the elliptic curve over GF(p) library. 2290 * 2291 * Module: library/ecp.c 2292 * Caller: library/ecdh.c 2293 * library/ecdsa.c 2294 * library/ecjpake.c 2295 * 2296 * Requires: MBEDTLS_BIGNUM_C and at least one MBEDTLS_ECP_DP_XXX_ENABLED 2297 */ 2298#define MBEDTLS_ECP_C 2299 2300/** 2301 * \def MBEDTLS_ENTROPY_C 2302 * 2303 * Enable the platform-specific entropy code. 2304 * 2305 * Module: library/entropy.c 2306 * Caller: 2307 * 2308 * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C 2309 * 2310 * This module provides a generic entropy pool 2311 */ 2312#define MBEDTLS_ENTROPY_C 2313 2314/** 2315 * \def MBEDTLS_ERROR_C 2316 * 2317 * Enable error code to error string conversion. 2318 * 2319 * Module: library/error.c 2320 * Caller: 2321 * 2322 * This module enables mbedtls_strerror(). 2323 */ 2324//#define MBEDTLS_ERROR_C 2325 2326/** 2327 * \def MBEDTLS_GCM_C 2328 * 2329 * Enable the Galois/Counter Mode (GCM). 2330 * 2331 * Module: library/gcm.c 2332 * 2333 * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C or MBEDTLS_ARIA_C 2334 * 2335 * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other 2336 * requisites are enabled as well. 2337 */ 2338#define MBEDTLS_GCM_C 2339 2340/** 2341 * \def MBEDTLS_HKDF_C 2342 * 2343 * Enable the HKDF algorithm (RFC 5869). 2344 * 2345 * Module: library/hkdf.c 2346 * Caller: 2347 * 2348 * Requires: MBEDTLS_MD_C 2349 * 2350 * This module adds support for the Hashed Message Authentication Code 2351 * (HMAC)-based key derivation function (HKDF). 2352 */ 2353#define MBEDTLS_HKDF_C 2354 2355/** 2356 * \def MBEDTLS_HMAC_DRBG_C 2357 * 2358 * Enable the HMAC_DRBG random generator. 2359 * 2360 * Module: library/hmac_drbg.c 2361 * Caller: 2362 * 2363 * Requires: MBEDTLS_MD_C 2364 * 2365 * Uncomment to enable the HMAC_DRBG random number geerator. 2366 */ 2367//#define MBEDTLS_HMAC_DRBG_C 2368 2369/** 2370 * \def MBEDTLS_NIST_KW_C 2371 * 2372 * Enable the Key Wrapping mode for 128-bit block ciphers, 2373 * as defined in NIST SP 800-38F. Only KW and KWP modes 2374 * are supported. At the moment, only AES is approved by NIST. 2375 * 2376 * Module: library/nist_kw.c 2377 * 2378 * Requires: MBEDTLS_AES_C and MBEDTLS_CIPHER_C 2379 */ 2380#define MBEDTLS_NIST_KW_C 2381 2382/** 2383 * \def MBEDTLS_MD_C 2384 * 2385 * Enable the generic message digest layer. 2386 * 2387 * Module: library/md.c 2388 * Caller: 2389 * 2390 * Uncomment to enable generic message digest wrappers. 2391 */ 2392#define MBEDTLS_MD_C 2393 2394/** 2395 * \def MBEDTLS_MD5_C 2396 * 2397 * Enable the MD5 hash algorithm. 2398 * 2399 * Module: library/md5.c 2400 * Caller: library/md.c 2401 * library/pem.c 2402 * library/ssl_tls.c 2403 * 2404 * This module is required for TLS 1.2 depending on the handshake parameters. 2405 * Further, it is used for checking MD5-signed certificates, and for PBKDF1 2406 * when decrypting PEM-encoded encrypted keys. 2407 * 2408 * \warning MD5 is considered a weak message digest and its use constitutes a 2409 * security risk. If possible, we recommend avoiding dependencies on 2410 * it, and considering stronger message digests instead. 2411 * 2412 */ 2413#define MBEDTLS_MD5_C 2414 2415/** 2416 * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C 2417 * 2418 * Enable the buffer allocator implementation that makes use of a (stack) 2419 * based buffer to 'allocate' dynamic memory. (replaces calloc() and free() 2420 * calls) 2421 * 2422 * Module: library/memory_buffer_alloc.c 2423 * 2424 * Requires: MBEDTLS_PLATFORM_C 2425 * MBEDTLS_PLATFORM_MEMORY (to use it within mbed TLS) 2426 * 2427 * Enable this module to enable the buffer memory allocator. 2428 */ 2429#ifdef HILINK_E2E_SECURITY_CONFIG 2430#define MBEDTLS_MEMORY_BUFFER_ALLOC_C 2431#endif 2432 2433/** 2434 * \def MBEDTLS_NET_C 2435 * 2436 * Enable the TCP and UDP over IPv6/IPv4 networking routines. 2437 * 2438 * \note This module only works on POSIX/Unix (including Linux, BSD and OS X) 2439 * and Windows. For other platforms, you'll want to disable it, and write your 2440 * own networking callbacks to be passed to \c mbedtls_ssl_set_bio(). 2441 * 2442 * \note See also our Knowledge Base article about porting to a new 2443 * environment: 2444 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 2445 * 2446 * Module: library/net_sockets.c 2447 * 2448 * This module provides networking routines. 2449 */ 2450#define MBEDTLS_NET_C 2451 2452/** 2453 * \def MBEDTLS_OID_C 2454 * 2455 * Enable the OID database. 2456 * 2457 * Module: library/oid.c 2458 * Caller: library/asn1write.c 2459 * library/pkcs5.c 2460 * library/pkparse.c 2461 * library/pkwrite.c 2462 * library/rsa.c 2463 * library/x509.c 2464 * library/x509_create.c 2465 * library/x509_crl.c 2466 * library/x509_crt.c 2467 * library/x509_csr.c 2468 * library/x509write_crt.c 2469 * library/x509write_csr.c 2470 * 2471 * This modules translates between OIDs and internal values. 2472 */ 2473#define MBEDTLS_OID_C 2474 2475/** 2476 * \def MBEDTLS_PADLOCK_C 2477 * 2478 * Enable VIA Padlock support on x86. 2479 * 2480 * Module: library/padlock.c 2481 * Caller: library/aes.c 2482 * 2483 * Requires: MBEDTLS_HAVE_ASM 2484 * 2485 * This modules adds support for the VIA PadLock on x86. 2486 */ 2487#define MBEDTLS_PADLOCK_C 2488 2489/** 2490 * \def MBEDTLS_PEM_PARSE_C 2491 * 2492 * Enable PEM decoding / parsing. 2493 * 2494 * Module: library/pem.c 2495 * Caller: library/dhm.c 2496 * library/pkparse.c 2497 * library/x509_crl.c 2498 * library/x509_crt.c 2499 * library/x509_csr.c 2500 * 2501 * Requires: MBEDTLS_BASE64_C 2502 * 2503 * This modules adds support for decoding / parsing PEM files. 2504 */ 2505#define MBEDTLS_PEM_PARSE_C 2506 2507/** 2508 * \def MBEDTLS_PEM_WRITE_C 2509 * 2510 * Enable PEM encoding / writing. 2511 * 2512 * Module: library/pem.c 2513 * Caller: library/pkwrite.c 2514 * library/x509write_crt.c 2515 * library/x509write_csr.c 2516 * 2517 * Requires: MBEDTLS_BASE64_C 2518 * 2519 * This modules adds support for encoding / writing PEM files. 2520 */ 2521#define MBEDTLS_PEM_WRITE_C 2522 2523/** 2524 * \def MBEDTLS_PK_C 2525 * 2526 * Enable the generic public (asymetric) key layer. 2527 * 2528 * Module: library/pk.c 2529 * Caller: library/ssl_tls.c 2530 * library/ssl_cli.c 2531 * library/ssl_srv.c 2532 * 2533 * Requires: MBEDTLS_RSA_C or MBEDTLS_ECP_C 2534 * 2535 * Uncomment to enable generic public key wrappers. 2536 */ 2537#define MBEDTLS_PK_C 2538 2539/** 2540 * \def MBEDTLS_PK_PARSE_C 2541 * 2542 * Enable the generic public (asymetric) key parser. 2543 * 2544 * Module: library/pkparse.c 2545 * Caller: library/x509_crt.c 2546 * library/x509_csr.c 2547 * 2548 * Requires: MBEDTLS_PK_C 2549 * 2550 * Uncomment to enable generic public key parse functions. 2551 */ 2552#define MBEDTLS_PK_PARSE_C 2553 2554/** 2555 * \def MBEDTLS_PK_WRITE_C 2556 * 2557 * Enable the generic public (asymetric) key writer. 2558 * 2559 * Module: library/pkwrite.c 2560 * Caller: library/x509write.c 2561 * 2562 * Requires: MBEDTLS_PK_C 2563 * 2564 * Uncomment to enable generic public key write functions. 2565 */ 2566#define MBEDTLS_PK_WRITE_C 2567 2568/** 2569 * \def MBEDTLS_PKCS5_C 2570 * 2571 * Enable PKCS#5 functions. 2572 * 2573 * Module: library/pkcs5.c 2574 * 2575 * Requires: MBEDTLS_MD_C 2576 * 2577 * This module adds support for the PKCS#5 functions. 2578 */ 2579#define MBEDTLS_PKCS5_C 2580 2581/** 2582 * \def MBEDTLS_PKCS12_C 2583 * 2584 * Enable PKCS#12 PBE functions. 2585 * Adds algorithms for parsing PKCS#8 encrypted private keys 2586 * 2587 * Module: library/pkcs12.c 2588 * Caller: library/pkparse.c 2589 * 2590 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_CIPHER_C, MBEDTLS_MD_C 2591 * 2592 * This module enables PKCS#12 functions. 2593 */ 2594//#define MBEDTLS_PKCS12_C 2595 2596/** 2597 * \def MBEDTLS_PLATFORM_C 2598 * 2599 * Enable the platform abstraction layer that allows you to re-assign 2600 * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit(). 2601 * 2602 * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT 2603 * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned 2604 * above to be specified at runtime or compile time respectively. 2605 * 2606 * \note This abstraction layer must be enabled on Windows (including MSYS2) 2607 * as other module rely on it for a fixed snprintf implementation. 2608 * 2609 * Module: library/platform.c 2610 * Caller: Most other .c files 2611 * 2612 * This module enables abstraction of common (libc) functions. 2613 */ 2614#define MBEDTLS_PLATFORM_C 2615 2616/** 2617 * \def MBEDTLS_POLY1305_C 2618 * 2619 * Enable the Poly1305 MAC algorithm. 2620 * 2621 * Module: library/poly1305.c 2622 * Caller: library/chachapoly.c 2623 */ 2624#define MBEDTLS_POLY1305_C 2625 2626/** 2627 * \def MBEDTLS_PSA_CRYPTO_C 2628 * 2629 * Enable the Platform Security Architecture cryptography API. 2630 * 2631 * Module: library/psa_crypto.c 2632 * 2633 * Requires: either MBEDTLS_CTR_DRBG_C and MBEDTLS_ENTROPY_C, 2634 * or MBEDTLS_HMAC_DRBG_C and MBEDTLS_ENTROPY_C, 2635 * or MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG. 2636 * 2637 */ 2638#define MBEDTLS_PSA_CRYPTO_C 2639 2640/** 2641 * \def MBEDTLS_PSA_CRYPTO_SE_C 2642 * 2643 * Enable secure element support in the Platform Security Architecture 2644 * cryptography API. 2645 * 2646 * \warning This feature is not yet suitable for production. It is provided 2647 * for API evaluation and testing purposes only. 2648 * 2649 * Module: library/psa_crypto_se.c 2650 * 2651 * Requires: MBEDTLS_PSA_CRYPTO_C, MBEDTLS_PSA_CRYPTO_STORAGE_C 2652 * 2653 */ 2654//#define MBEDTLS_PSA_CRYPTO_SE_C 2655 2656/** 2657 * \def MBEDTLS_PSA_CRYPTO_STORAGE_C 2658 * 2659 * Enable the Platform Security Architecture persistent key storage. 2660 * 2661 * Module: library/psa_crypto_storage.c 2662 * 2663 * Requires: MBEDTLS_PSA_CRYPTO_C, 2664 * either MBEDTLS_PSA_ITS_FILE_C or a native implementation of 2665 * the PSA ITS interface 2666 */ 2667#define MBEDTLS_PSA_CRYPTO_STORAGE_C 2668 2669/** 2670 * \def MBEDTLS_PSA_ITS_FILE_C 2671 * 2672 * Enable the emulation of the Platform Security Architecture 2673 * Internal Trusted Storage (PSA ITS) over files. 2674 * 2675 * Module: library/psa_its_file.c 2676 * 2677 * Requires: MBEDTLS_FS_IO 2678 */ 2679#define MBEDTLS_PSA_ITS_FILE_C 2680 2681/** 2682 * \def MBEDTLS_RIPEMD160_C 2683 * 2684 * Enable the RIPEMD-160 hash algorithm. 2685 * 2686 * Module: library/ripemd160.c 2687 * Caller: library/md.c 2688 * 2689 */ 2690//#define MBEDTLS_RIPEMD160_C 2691 2692/** 2693 * \def MBEDTLS_RSA_C 2694 * 2695 * Enable the RSA public-key cryptosystem. 2696 * 2697 * Module: library/rsa.c 2698 * library/rsa_alt_helpers.c 2699 * Caller: library/ssl_cli.c 2700 * library/ssl_srv.c 2701 * library/ssl_tls.c 2702 * library/x509.c 2703 * 2704 * This module is used by the following key exchanges: 2705 * RSA, DHE-RSA, ECDHE-RSA, RSA-PSK 2706 * 2707 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C 2708 */ 2709#define MBEDTLS_RSA_C 2710 2711/** 2712 * \def MBEDTLS_SHA1_C 2713 * 2714 * Enable the SHA1 cryptographic hash algorithm. 2715 * 2716 * Module: library/sha1.c 2717 * Caller: library/md.c 2718 * library/ssl_cli.c 2719 * library/ssl_srv.c 2720 * library/ssl_tls.c 2721 * library/x509write_crt.c 2722 * 2723 * This module is required for TLS 1.2 depending on the handshake parameters, 2724 * and for SHA1-signed certificates. 2725 * 2726 * \warning SHA-1 is considered a weak message digest and its use constitutes 2727 * a security risk. If possible, we recommend avoiding dependencies 2728 * on it, and considering stronger message digests instead. 2729 * 2730 */ 2731#define MBEDTLS_SHA1_C 2732 2733/** 2734 * \def MBEDTLS_SHA224_C 2735 * 2736 * Enable the SHA-224 cryptographic hash algorithm. 2737 * 2738 * Requires: MBEDTLS_SHA256_C. The library does not currently support enabling 2739 * SHA-224 without SHA-256. 2740 * 2741 * Module: library/sha256.c 2742 * Caller: library/md.c 2743 * library/ssl_cookie.c 2744 * 2745 * This module adds support for SHA-224. 2746 */ 2747#define MBEDTLS_SHA224_C 2748 2749/** 2750 * \def MBEDTLS_SHA256_C 2751 * 2752 * Enable the SHA-256 cryptographic hash algorithm. 2753 * 2754 * Requires: MBEDTLS_SHA224_C. The library does not currently support enabling 2755 * SHA-256 without SHA-224. 2756 * 2757 * Module: library/sha256.c 2758 * Caller: library/entropy.c 2759 * library/md.c 2760 * library/ssl_cli.c 2761 * library/ssl_srv.c 2762 * library/ssl_tls.c 2763 * 2764 * This module adds support for SHA-256. 2765 * This module is required for the SSL/TLS 1.2 PRF function. 2766 */ 2767#define MBEDTLS_SHA256_C 2768 2769/** 2770 * \def MBEDTLS_SHA384_C 2771 * 2772 * Enable the SHA-384 cryptographic hash algorithm. 2773 * 2774 * Requires: MBEDTLS_SHA512_C 2775 * 2776 * Module: library/sha512.c 2777 * Caller: library/md.c 2778 * library/ssl_cli.c 2779 * library/ssl_srv.c 2780 * 2781 * Comment to disable SHA-384 2782 */ 2783#define MBEDTLS_SHA384_C 2784 2785/** 2786 * \def MBEDTLS_SHA512_C 2787 * 2788 * Enable SHA-512 cryptographic hash algorithms. 2789 * 2790 * Module: library/sha512.c 2791 * Caller: library/entropy.c 2792 * library/md.c 2793 * library/ssl_tls.c 2794 * library/ssl_cookie.c 2795 * 2796 * This module adds support for SHA-512. 2797 */ 2798#define MBEDTLS_SHA512_C 2799 2800/** 2801 * \def MBEDTLS_SSL_CACHE_C 2802 * 2803 * Enable simple SSL cache implementation. 2804 * 2805 * Module: library/ssl_cache.c 2806 * Caller: 2807 * 2808 * Requires: MBEDTLS_SSL_CACHE_C 2809 */ 2810#define MBEDTLS_SSL_CACHE_C 2811 2812/** 2813 * \def MBEDTLS_SSL_COOKIE_C 2814 * 2815 * Enable basic implementation of DTLS cookies for hello verification. 2816 * 2817 * Module: library/ssl_cookie.c 2818 * Caller: 2819 */ 2820#define MBEDTLS_SSL_COOKIE_C 2821 2822/** 2823 * \def MBEDTLS_SSL_TICKET_C 2824 * 2825 * Enable an implementation of TLS server-side callbacks for session tickets. 2826 * 2827 * Module: library/ssl_ticket.c 2828 * Caller: 2829 * 2830 * Requires: MBEDTLS_CIPHER_C 2831 */ 2832#define MBEDTLS_SSL_TICKET_C 2833 2834/** 2835 * \def MBEDTLS_SSL_CLI_C 2836 * 2837 * Enable the SSL/TLS client code. 2838 * 2839 * Module: library/ssl_cli.c 2840 * Caller: 2841 * 2842 * Requires: MBEDTLS_SSL_TLS_C 2843 * 2844 * This module is required for SSL/TLS client support. 2845 */ 2846#define MBEDTLS_SSL_CLI_C 2847 2848/** 2849 * \def MBEDTLS_SSL_SRV_C 2850 * 2851 * Enable the SSL/TLS server code. 2852 * 2853 * Module: library/ssl_srv.c 2854 * Caller: 2855 * 2856 * Requires: MBEDTLS_SSL_TLS_C 2857 * 2858 * This module is required for SSL/TLS server support. 2859 */ 2860//#define MBEDTLS_SSL_SRV_C 2861 2862/** 2863 * \def MBEDTLS_SSL_TLS_C 2864 * 2865 * Enable the generic SSL/TLS code. 2866 * 2867 * Module: library/ssl_tls.c 2868 * Caller: library/ssl_cli.c 2869 * library/ssl_srv.c 2870 * 2871 * Requires: MBEDTLS_CIPHER_C, MBEDTLS_MD_C 2872 * and at least one of the MBEDTLS_SSL_PROTO_XXX defines 2873 * 2874 * This module is required for SSL/TLS. 2875 */ 2876#define MBEDTLS_SSL_TLS_C 2877 2878/** 2879 * \def MBEDTLS_THREADING_C 2880 * 2881 * Enable the threading abstraction layer. 2882 * By default mbed TLS assumes it is used in a non-threaded environment or that 2883 * contexts are not shared between threads. If you do intend to use contexts 2884 * between threads, you will need to enable this layer to prevent race 2885 * conditions. See also our Knowledge Base article about threading: 2886 * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading 2887 * 2888 * Module: library/threading.c 2889 * 2890 * This allows different threading implementations (self-implemented or 2891 * provided). 2892 * 2893 * You will have to enable either MBEDTLS_THREADING_ALT or 2894 * MBEDTLS_THREADING_PTHREAD. 2895 * 2896 * Enable this layer to allow use of mutexes within mbed TLS 2897 */ 2898//#define MBEDTLS_THREADING_C 2899 2900/** 2901 * \def MBEDTLS_TIMING_C 2902 * 2903 * Enable the semi-portable timing interface. 2904 * 2905 * \note The provided implementation only works on POSIX/Unix (including Linux, 2906 * BSD and OS X) and Windows. On other platforms, you can either disable that 2907 * module and provide your own implementations of the callbacks needed by 2908 * \c mbedtls_ssl_set_timer_cb() for DTLS, or leave it enabled and provide 2909 * your own implementation of the whole module by setting 2910 * \c MBEDTLS_TIMING_ALT in the current file. 2911 * 2912 * \note See also our Knowledge Base article about porting to a new 2913 * environment: 2914 * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS 2915 * 2916 * Module: library/timing.c 2917 */ 2918#define MBEDTLS_TIMING_C 2919 2920/** 2921 * \def MBEDTLS_VERSION_C 2922 * 2923 * Enable run-time version information. 2924 * 2925 * Module: library/version.c 2926 * 2927 * This module provides run-time version information. 2928 */ 2929#define MBEDTLS_VERSION_C 2930 2931/** 2932 * \def MBEDTLS_X509_USE_C 2933 * 2934 * Enable X.509 core for using certificates. 2935 * 2936 * Module: library/x509.c 2937 * Caller: library/x509_crl.c 2938 * library/x509_crt.c 2939 * library/x509_csr.c 2940 * 2941 * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, 2942 * MBEDTLS_PK_PARSE_C 2943 * 2944 * This module is required for the X.509 parsing modules. 2945 */ 2946#define MBEDTLS_X509_USE_C 2947 2948/** 2949 * \def MBEDTLS_X509_CRT_PARSE_C 2950 * 2951 * Enable X.509 certificate parsing. 2952 * 2953 * Module: library/x509_crt.c 2954 * Caller: library/ssl_cli.c 2955 * library/ssl_srv.c 2956 * library/ssl_tls.c 2957 * 2958 * Requires: MBEDTLS_X509_USE_C 2959 * 2960 * This module is required for X.509 certificate parsing. 2961 */ 2962#define MBEDTLS_X509_CRT_PARSE_C 2963 2964/** 2965 * \def MBEDTLS_X509_CRL_PARSE_C 2966 * 2967 * Enable X.509 CRL parsing. 2968 * 2969 * Module: library/x509_crl.c 2970 * Caller: library/x509_crt.c 2971 * 2972 * Requires: MBEDTLS_X509_USE_C 2973 * 2974 * This module is required for X.509 CRL parsing. 2975 */ 2976#define MBEDTLS_X509_CRL_PARSE_C 2977 2978/** 2979 * \def MBEDTLS_X509_CSR_PARSE_C 2980 * 2981 * Enable X.509 Certificate Signing Request (CSR) parsing. 2982 * 2983 * Module: library/x509_csr.c 2984 * Caller: library/x509_crt_write.c 2985 * 2986 * Requires: MBEDTLS_X509_USE_C 2987 * 2988 * This module is used for reading X.509 certificate request. 2989 */ 2990//#define MBEDTLS_X509_CSR_PARSE_C 2991 2992/** 2993 * \def MBEDTLS_X509_CREATE_C 2994 * 2995 * Enable X.509 core for creating certificates. 2996 * 2997 * Module: library/x509_create.c 2998 * 2999 * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, MBEDTLS_PK_WRITE_C 3000 * 3001 * This module is the basis for creating X.509 certificates and CSRs. 3002 */ 3003//#define MBEDTLS_X509_CREATE_C 3004 3005/** 3006 * \def MBEDTLS_X509_CRT_WRITE_C 3007 * 3008 * Enable creating X.509 certificates. 3009 * 3010 * Module: library/x509_crt_write.c 3011 * 3012 * Requires: MBEDTLS_X509_CREATE_C 3013 * 3014 * This module is required for X.509 certificate creation. 3015 */ 3016//#define MBEDTLS_X509_CRT_WRITE_C 3017 3018/** 3019 * \def MBEDTLS_X509_CSR_WRITE_C 3020 * 3021 * Enable creating X.509 Certificate Signing Requests (CSR). 3022 * 3023 * Module: library/x509_csr_write.c 3024 * 3025 * Requires: MBEDTLS_X509_CREATE_C 3026 * 3027 * This module is required for X.509 certificate request writing. 3028 */ 3029//#define MBEDTLS_X509_CSR_WRITE_C 3030 3031/* \} name SECTION: mbed TLS modules */ 3032 3033/** 3034 * \name SECTION: Module configuration options 3035 * 3036 * This section allows for the setting of module specific sizes and 3037 * configuration options. The default values are already present in the 3038 * relevant header files and should suffice for the regular use cases. 3039 * 3040 * Our advice is to enable options and change their values here 3041 * only if you have a good reason and know the consequences. 3042 * 3043 * Please check the respective header file for documentation on these 3044 * parameters (to prevent duplicate documentation). 3045 * \{ 3046 */ 3047 3048/* MPI / BIGNUM options */ 3049//#define MBEDTLS_MPI_WINDOW_SIZE 6 /**< Maximum window size used. */ 3050//#define MBEDTLS_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */ 3051 3052/* CTR_DRBG options */ 3053//#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */ 3054//#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3055//#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3056//#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3057//#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3058 3059/* HMAC_DRBG options */ 3060//#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ 3061//#define MBEDTLS_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ 3062//#define MBEDTLS_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ 3063//#define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ 3064 3065/* ECP options */ 3066//#define MBEDTLS_ECP_WINDOW_SIZE 4 /**< Maximum window size used */ 3067//#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1 /**< Enable fixed-point speed-up */ 3068 3069/* Entropy options */ 3070//#define MBEDTLS_ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */ 3071//#define MBEDTLS_ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */ 3072//#define MBEDTLS_ENTROPY_MIN_HARDWARE 32 /**< Default minimum number of bytes required for the hardware entropy source mbedtls_hardware_poll() before entropy is released */ 3073 3074/* Memory buffer allocator options */ 3075//#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */ 3076 3077/* Platform options */ 3078//#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. */ 3079#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use, can be undefined */ 3080#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use, can be undefined */ 3081//#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use, can be undefined */ 3082//#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3083//#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */ 3084//#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */ 3085/* Note: your snprintf must correctly zero-terminate the buffer! */ 3086#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use, can be undefined */ 3087//#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS 0 /**< Default exit value to use, can be undefined */ 3088//#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE 1 /**< Default exit value to use, can be undefined */ 3089//#define MBEDTLS_PLATFORM_STD_NV_SEED_READ mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3090//#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3091//#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE "seedfile" /**< Seed file to read/write with default implementation */ 3092 3093/* To Use Function Macros MBEDTLS_PLATFORM_C must be enabled */ 3094/* MBEDTLS_PLATFORM_XXX_MACRO and MBEDTLS_PLATFORM_XXX_ALT cannot both be defined */ 3095//#define MBEDTLS_PLATFORM_CALLOC_MACRO calloc /**< Default allocator macro to use, can be undefined */ 3096//#define MBEDTLS_PLATFORM_FREE_MACRO free /**< Default free macro to use, can be undefined */ 3097//#define MBEDTLS_PLATFORM_EXIT_MACRO exit /**< Default exit macro to use, can be undefined */ 3098//#define MBEDTLS_PLATFORM_TIME_MACRO time /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3099//#define MBEDTLS_PLATFORM_TIME_TYPE_MACRO time_t /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ 3100//#define MBEDTLS_PLATFORM_FPRINTF_MACRO fprintf /**< Default fprintf macro to use, can be undefined */ 3101//#define MBEDTLS_PLATFORM_PRINTF_MACRO printf /**< Default printf macro to use, can be undefined */ 3102/* Note: your snprintf must correctly zero-terminate the buffer! */ 3103//#define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf /**< Default snprintf macro to use, can be undefined */ 3104//#define MBEDTLS_PLATFORM_VSNPRINTF_MACRO vsnprintf /**< Default vsnprintf macro to use, can be undefined */ 3105//#define MBEDTLS_PLATFORM_NV_SEED_READ_MACRO mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ 3106//#define MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ 3107 3108/** \def MBEDTLS_CHECK_RETURN 3109 * 3110 * This macro is used at the beginning of the declaration of a function 3111 * to indicate that its return value should be checked. It should 3112 * instruct the compiler to emit a warning or an error if the function 3113 * is called without checking its return value. 3114 * 3115 * There is a default implementation for popular compilers in platform_util.h. 3116 * You can override the default implementation by defining your own here. 3117 * 3118 * If the implementation here is empty, this will effectively disable the 3119 * checking of functions' return values. 3120 */ 3121//#define MBEDTLS_CHECK_RETURN __attribute__((__warn_unused_result__)) 3122 3123/** \def MBEDTLS_IGNORE_RETURN 3124 * 3125 * This macro requires one argument, which should be a C function call. 3126 * If that function call would cause a #MBEDTLS_CHECK_RETURN warning, this 3127 * warning is suppressed. 3128 */ 3129//#define MBEDTLS_IGNORE_RETURN( result ) ((void) !(result)) 3130 3131/* PSA options */ 3132/** 3133 * Use HMAC_DRBG with the specified hash algorithm for HMAC_DRBG for the 3134 * PSA crypto subsystem. 3135 * 3136 * If this option is unset: 3137 * - If CTR_DRBG is available, the PSA subsystem uses it rather than HMAC_DRBG. 3138 * - Otherwise, the PSA subsystem uses HMAC_DRBG with either 3139 * #MBEDTLS_MD_SHA512 or #MBEDTLS_MD_SHA256 based on availability and 3140 * on unspecified heuristics. 3141 */ 3142//#define MBEDTLS_PSA_HMAC_DRBG_MD_TYPE MBEDTLS_MD_SHA256 3143 3144/** \def MBEDTLS_PSA_KEY_SLOT_COUNT 3145 * Restrict the PSA library to supporting a maximum amount of simultaneously 3146 * loaded keys. A loaded key is a key stored by the PSA Crypto core as a 3147 * volatile key, or a persistent key which is loaded temporarily by the 3148 * library as part of a crypto operation in flight. 3149 * 3150 * If this option is unset, the library will fall back to a default value of 3151 * 32 keys. 3152 */ 3153//#define MBEDTLS_PSA_KEY_SLOT_COUNT 32 3154 3155/* SSL Cache options */ 3156//#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */ 3157//#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /**< Maximum entries in cache */ 3158 3159/* SSL options */ 3160 3161/** \def MBEDTLS_SSL_MAX_CONTENT_LEN 3162 * 3163 * Maximum length (in bytes) of incoming and outgoing plaintext fragments. 3164 * 3165 * This determines the size of both the incoming and outgoing TLS I/O buffers 3166 * in such a way that both are capable of holding the specified amount of 3167 * plaintext data, regardless of the protection mechanism used. 3168 * 3169 * To configure incoming and outgoing I/O buffers separately, use 3170 * #MBEDTLS_SSL_IN_CONTENT_LEN and #MBEDTLS_SSL_OUT_CONTENT_LEN, 3171 * which overwrite the value set by this option. 3172 * 3173 * \note When using a value less than the default of 16KB on the client, it is 3174 * recommended to use the Maximum Fragment Length (MFL) extension to 3175 * inform the server about this limitation. On the server, there 3176 * is no supported, standardized way of informing the client about 3177 * restriction on the maximum size of incoming messages, and unless 3178 * the limitation has been communicated by other means, it is recommended 3179 * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN 3180 * while keeping the default value of 16KB for the incoming buffer. 3181 * 3182 * Uncomment to set the maximum plaintext size of both 3183 * incoming and outgoing I/O buffers. 3184 */ 3185#define MBEDTLS_SSL_MAX_CONTENT_LEN 16384 3186 3187/** \def MBEDTLS_SSL_IN_CONTENT_LEN 3188 * 3189 * Maximum length (in bytes) of incoming plaintext fragments. 3190 * 3191 * This determines the size of the incoming TLS I/O buffer in such a way 3192 * that it is capable of holding the specified amount of plaintext data, 3193 * regardless of the protection mechanism used. 3194 * 3195 * \note When using a value less than the default of 16KB on the client, it is 3196 * recommended to use the Maximum Fragment Length (MFL) extension to 3197 * inform the server about this limitation. On the server, there 3198 * is no supported, standardized way of informing the client about 3199 * restriction on the maximum size of incoming messages, and unless 3200 * the limitation has been communicated by other means, it is recommended 3201 * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN 3202 * while keeping the default value of 16KB for the incoming buffer. 3203 * 3204 * Uncomment to set the maximum plaintext size of the incoming I/O buffer. 3205 */ 3206#define MBEDTLS_SSL_IN_CONTENT_LEN 16384 3207 3208/** \def MBEDTLS_SSL_CID_IN_LEN_MAX 3209 * 3210 * The maximum length of CIDs used for incoming DTLS messages. 3211 * 3212 */ 3213//#define MBEDTLS_SSL_CID_IN_LEN_MAX 32 3214 3215/** \def MBEDTLS_SSL_CID_OUT_LEN_MAX 3216 * 3217 * The maximum length of CIDs used for outgoing DTLS messages. 3218 * 3219 */ 3220//#define MBEDTLS_SSL_CID_OUT_LEN_MAX 32 3221 3222/** \def MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY 3223 * 3224 * This option controls the use of record plaintext padding 3225 * in TLS 1.3 and when using the Connection ID extension in DTLS 1.2. 3226 * 3227 * The padding will always be chosen so that the length of the 3228 * padded plaintext is a multiple of the value of this option. 3229 * 3230 * Note: A value of \c 1 means that no padding will be used 3231 * for outgoing records. 3232 * 3233 * Note: On systems lacking division instructions, 3234 * a power of two should be preferred. 3235 */ 3236//#define MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY 16 3237 3238/** \def MBEDTLS_SSL_OUT_CONTENT_LEN 3239 * 3240 * Maximum length (in bytes) of outgoing plaintext fragments. 3241 * 3242 * This determines the size of the outgoing TLS I/O buffer in such a way 3243 * that it is capable of holding the specified amount of plaintext data, 3244 * regardless of the protection mechanism used. 3245 * 3246 * It is possible to save RAM by setting a smaller outward buffer, while keeping 3247 * the default inward 16384 byte buffer to conform to the TLS specification. 3248 * 3249 * The minimum required outward buffer size is determined by the handshake 3250 * protocol's usage. Handshaking will fail if the outward buffer is too small. 3251 * The specific size requirement depends on the configured ciphers and any 3252 * certificate data which is sent during the handshake. 3253 * 3254 * Uncomment to set the maximum plaintext size of the outgoing I/O buffer. 3255 */ 3256#define MBEDTLS_SSL_OUT_CONTENT_LEN 16384 3257 3258/** \def MBEDTLS_SSL_DTLS_MAX_BUFFERING 3259 * 3260 * Maximum number of heap-allocated bytes for the purpose of 3261 * DTLS handshake message reassembly and future message buffering. 3262 * 3263 * This should be at least 9/8 * MBEDTLS_SSL_IN_CONTENT_LEN 3264 * to account for a reassembled handshake message of maximum size, 3265 * together with its reassembly bitmap. 3266 * 3267 * A value of 2 * MBEDTLS_SSL_IN_CONTENT_LEN (32768 by default) 3268 * should be sufficient for all practical situations as it allows 3269 * to reassembly a large handshake message (such as a certificate) 3270 * while buffering multiple smaller handshake messages. 3271 * 3272 */ 3273//#define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768 3274 3275//#define MBEDTLS_PSK_MAX_LEN 32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */ 3276//#define MBEDTLS_SSL_COOKIE_TIMEOUT 60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */ 3277 3278/** \def MBEDTLS_TLS_EXT_CID 3279 * 3280 * At the time of writing, the CID extension has not been assigned its 3281 * final value. Set this configuration option to make Mbed TLS use a 3282 * different value. 3283 * 3284 * A future minor revision of Mbed TLS may change the default value of 3285 * this option to match evolving standards and usage. 3286 */ 3287//#define MBEDTLS_TLS_EXT_CID 254 3288 3289/** 3290 * Complete list of ciphersuites to use, in order of preference. 3291 * 3292 * \warning No dependency checking is done on that field! This option can only 3293 * be used to restrict the set of available ciphersuites. It is your 3294 * responsibility to make sure the needed modules are active. 3295 * 3296 * Use this to save a few hundred bytes of ROM (default ordering of all 3297 * available ciphersuites) and a few to a few hundred bytes of RAM. 3298 * 3299 * The value below is only an example, not the default. 3300 */ 3301//#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 3302 3303/* X509 options */ 3304//#define MBEDTLS_X509_MAX_INTERMEDIATE_CA 8 /**< Maximum number of intermediate CAs in a verification chain. */ 3305//#define MBEDTLS_X509_MAX_FILE_PATH_LEN 512 /**< Maximum length of a path/filename string in bytes including the null terminator character ('\0'). */ 3306 3307/** 3308 * Uncomment the macro to let mbed TLS use your alternate implementation of 3309 * mbedtls_platform_zeroize(). This replaces the default implementation in 3310 * platform_util.c. 3311 * 3312 * mbedtls_platform_zeroize() is a widely used function across the library to 3313 * zero a block of memory. The implementation is expected to be secure in the 3314 * sense that it has been written to prevent the compiler from removing calls 3315 * to mbedtls_platform_zeroize() as part of redundant code elimination 3316 * optimizations. However, it is difficult to guarantee that calls to 3317 * mbedtls_platform_zeroize() will not be optimized by the compiler as older 3318 * versions of the C language standards do not provide a secure implementation 3319 * of memset(). Therefore, MBEDTLS_PLATFORM_ZEROIZE_ALT enables users to 3320 * configure their own implementation of mbedtls_platform_zeroize(), for 3321 * example by using directives specific to their compiler, features from newer 3322 * C standards (e.g using memset_s() in C11) or calling a secure memset() from 3323 * their system (e.g explicit_bzero() in BSD). 3324 */ 3325//#define MBEDTLS_PLATFORM_ZEROIZE_ALT 3326 3327/** 3328 * Uncomment the macro to let Mbed TLS use your alternate implementation of 3329 * mbedtls_platform_gmtime_r(). This replaces the default implementation in 3330 * platform_util.c. 3331 * 3332 * gmtime() is not a thread-safe function as defined in the C standard. The 3333 * library will try to use safer implementations of this function, such as 3334 * gmtime_r() when available. However, if Mbed TLS cannot identify the target 3335 * system, the implementation of mbedtls_platform_gmtime_r() will default to 3336 * using the standard gmtime(). In this case, calls from the library to 3337 * gmtime() will be guarded by the global mutex mbedtls_threading_gmtime_mutex 3338 * if MBEDTLS_THREADING_C is enabled. We recommend that calls from outside the 3339 * library are also guarded with this mutex to avoid race conditions. However, 3340 * if the macro MBEDTLS_PLATFORM_GMTIME_R_ALT is defined, Mbed TLS will 3341 * unconditionally use the implementation for mbedtls_platform_gmtime_r() 3342 * supplied at compile time. 3343 */ 3344//#define MBEDTLS_PLATFORM_GMTIME_R_ALT 3345 3346/** 3347 * Enable the verified implementations of ECDH primitives from Project Everest 3348 * (currently only Curve25519). This feature changes the layout of ECDH 3349 * contexts and therefore is a compatibility break for applications that access 3350 * fields of a mbedtls_ecdh_context structure directly. See also 3351 * MBEDTLS_ECDH_LEGACY_CONTEXT in include/mbedtls/ecdh.h. 3352 */ 3353//#define MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED 3354 3355/* \} name SECTION: Customisation configuration options */ 3356