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