/** * \file config.h * * \brief Configuration options (set of defines) * * This set of compile-time options may be used to enable * or disable features selectively, and reduce the global * memory footprint. */ /* * Copyright The Mbed TLS Contributors * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef MBEDTLS_CONFIG_H #define MBEDTLS_CONFIG_H #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE) #define _CRT_SECURE_NO_DEPRECATE 1 #endif /** * \name SECTION: System support * * This section sets system specific settings. * \{ */ /** * \def MBEDTLS_HAVE_ASM * * The compiler has support for asm(). * * Requires support for asm() in compiler. * * Used in: * library/aria.c * library/timing.c * include/mbedtls/bn_mul.h * * Required by: * MBEDTLS_AESNI_C * MBEDTLS_PADLOCK_C * * Comment to disable the use of assembly code. */ #define MBEDTLS_HAVE_ASM /** * \def MBEDTLS_NO_UDBL_DIVISION * * The platform lacks support for double-width integer division (64-bit * division on a 32-bit platform, 128-bit division on a 64-bit platform). * * Used in: * include/mbedtls/bignum.h * library/bignum.c * * The bignum code uses double-width division to speed up some operations. * Double-width division is often implemented in software that needs to * be linked with the program. The presence of a double-width integer * type is usually detected automatically through preprocessor macros, * but the automatic detection cannot know whether the code needs to * and can be linked with an implementation of division for that type. * By default division is assumed to be usable if the type is present. * Uncomment this option to prevent the use of double-width division. * * Note that division for the native integer type is always required. * Furthermore, a 64-bit type is always required even on a 32-bit * platform, but it need not support multiplication or division. In some * cases it is also desirable to disable some double-width operations. For * example, if double-width division is implemented in software, disabling * it can reduce code size in some embedded targets. */ //#define MBEDTLS_NO_UDBL_DIVISION /** * \def MBEDTLS_NO_64BIT_MULTIPLICATION * * The platform lacks support for 32x32 -> 64-bit multiplication. * * Used in: * library/poly1305.c * * Some parts of the library may use multiplication of two unsigned 32-bit * operands with a 64-bit result in order to speed up computations. On some * platforms, this is not available in hardware and has to be implemented in * software, usually in a library provided by the toolchain. * * Sometimes it is not desirable to have to link to that library. This option * removes the dependency of that library on platforms that lack a hardware * 64-bit multiplier by embedding a software implementation in Mbed TLS. * * Note that depending on the compiler, this may decrease performance compared * to using the library function provided by the toolchain. */ //#define MBEDTLS_NO_64BIT_MULTIPLICATION /** * \def MBEDTLS_HAVE_SSE2 * * CPU supports SSE2 instruction set. * * Uncomment if the CPU supports SSE2 (IA-32 specific). */ //#define MBEDTLS_HAVE_SSE2 /** * \def MBEDTLS_HAVE_TIME * * System has time.h and time(). * The time does not need to be correct, only time differences are used, * by contrast with MBEDTLS_HAVE_TIME_DATE * * Defining MBEDTLS_HAVE_TIME allows you to specify MBEDTLS_PLATFORM_TIME_ALT, * MBEDTLS_PLATFORM_TIME_MACRO, MBEDTLS_PLATFORM_TIME_TYPE_MACRO and * MBEDTLS_PLATFORM_STD_TIME. * * Comment if your system does not support time functions */ #define MBEDTLS_HAVE_TIME /** * \def MBEDTLS_HAVE_TIME_DATE * * System has time.h, time(), and an implementation for * mbedtls_platform_gmtime_r() (see below). * The time needs to be correct (not necessarily very accurate, but at least * the date should be correct). This is used to verify the validity period of * X.509 certificates. * * Comment if your system does not have a correct clock. * * \note mbedtls_platform_gmtime_r() is an abstraction in platform_util.h that * behaves similarly to the gmtime_r() function from the C standard. Refer to * the documentation for mbedtls_platform_gmtime_r() for more information. * * \note It is possible to configure an implementation for * mbedtls_platform_gmtime_r() at compile-time by using the macro * MBEDTLS_PLATFORM_GMTIME_R_ALT. */ #define MBEDTLS_HAVE_TIME_DATE /** * \def MBEDTLS_PLATFORM_MEMORY * * Enable the memory allocation layer. * * By default mbed TLS uses the system-provided calloc() and free(). * This allows different allocators (self-implemented or provided) to be * provided to the platform abstraction layer. * * Enabling MBEDTLS_PLATFORM_MEMORY without the * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and * free() function pointer at runtime. * * Enabling MBEDTLS_PLATFORM_MEMORY and specifying * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the * alternate function at compile time. * * Requires: MBEDTLS_PLATFORM_C * * Enable this layer to allow use of alternative memory allocators. */ //#define MBEDTLS_PLATFORM_MEMORY /** * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS * * Do not assign standard functions in the platform layer (e.g. calloc() to * MBEDTLS_PLATFORM_STD_CALLOC and printf() to MBEDTLS_PLATFORM_STD_PRINTF) * * This makes sure there are no linking errors on platforms that do not support * these functions. You will HAVE to provide alternatives, either at runtime * via the platform_set_xxx() functions or at compile time by setting * the MBEDTLS_PLATFORM_STD_XXX defines, or enabling a * MBEDTLS_PLATFORM_XXX_MACRO. * * Requires: MBEDTLS_PLATFORM_C * * Uncomment to prevent default assignment of standard functions in the * platform layer. */ //#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS /** * \def MBEDTLS_PLATFORM_EXIT_ALT * * MBEDTLS_PLATFORM_XXX_ALT: Uncomment a macro to let mbed TLS support the * function in the platform abstraction layer. * * Example: In case you uncomment MBEDTLS_PLATFORM_PRINTF_ALT, mbed TLS will * provide a function "mbedtls_platform_set_printf()" that allows you to set an * alternative printf function pointer. * * All these define require MBEDTLS_PLATFORM_C to be defined! * * \note MBEDTLS_PLATFORM_SNPRINTF_ALT is required on Windows; * it will be enabled automatically by check_config.h * * \warning MBEDTLS_PLATFORM_XXX_ALT cannot be defined at the same time as * MBEDTLS_PLATFORM_XXX_MACRO! * * Requires: MBEDTLS_PLATFORM_TIME_ALT requires MBEDTLS_HAVE_TIME * * Uncomment a macro to enable alternate implementation of specific base * platform function */ //#define MBEDTLS_PLATFORM_EXIT_ALT //#define MBEDTLS_PLATFORM_TIME_ALT //#define MBEDTLS_PLATFORM_FPRINTF_ALT //#define MBEDTLS_PLATFORM_PRINTF_ALT //#define MBEDTLS_PLATFORM_SNPRINTF_ALT //#define MBEDTLS_PLATFORM_VSNPRINTF_ALT //#define MBEDTLS_PLATFORM_NV_SEED_ALT //#define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT /** * \def MBEDTLS_DEPRECATED_WARNING * * Mark deprecated functions and features so that they generate a warning if * used. Functionality deprecated in one version will usually be removed in the * next version. You can enable this to help you prepare the transition to a * new major version by making sure your code is not using this functionality. * * This only works with GCC and Clang. With other compilers, you may want to * use MBEDTLS_DEPRECATED_REMOVED * * Uncomment to get warnings on using deprecated functions and features. */ //#define MBEDTLS_DEPRECATED_WARNING /** * \def MBEDTLS_DEPRECATED_REMOVED * * Remove deprecated functions and features so that they generate an error if * used. Functionality deprecated in one version will usually be removed in the * next version. You can enable this to help you prepare the transition to a * new major version by making sure your code is not using this functionality. * * Uncomment to get errors on using deprecated functions and features. */ //#define MBEDTLS_DEPRECATED_REMOVED /** * \def MBEDTLS_CHECK_PARAMS * * This configuration option controls whether the library validates more of * the parameters passed to it. * * When this flag is not defined, the library only attempts to validate an * input parameter if: (1) they may come from the outside world (such as the * network, the filesystem, etc.) or (2) not validating them could result in * internal memory errors such as overflowing a buffer controlled by the * library. On the other hand, it doesn't attempt to validate parameters whose * values are fully controlled by the application (such as pointers). * * When this flag is defined, the library additionally attempts to validate * parameters that are fully controlled by the application, and should always * be valid if the application code is fully correct and trusted. * * For example, when a function accepts as input a pointer to a buffer that may * contain untrusted data, and its documentation mentions that this pointer * must not be NULL: * - The pointer is checked to be non-NULL only if this option is enabled. * - The content of the buffer is always validated. * * When this flag is defined, if a library function receives a parameter that * is invalid: * 1. The function will invoke the macro MBEDTLS_PARAM_FAILED(). * 2. If MBEDTLS_PARAM_FAILED() did not terminate the program, the function * will immediately return. If the function returns an Mbed TLS error code, * the error code in this case is MBEDTLS_ERR_xxx_BAD_INPUT_DATA. * * When defining this flag, you also need to arrange a definition for * MBEDTLS_PARAM_FAILED(). You can do this by any of the following methods: * - By default, the library defines MBEDTLS_PARAM_FAILED() to call a * function mbedtls_param_failed(), but the library does not define this * function. If you do not make any other arrangements, you must provide * the function mbedtls_param_failed() in your application. * See `platform_util.h` for its prototype. * - If you enable the macro #MBEDTLS_CHECK_PARAMS_ASSERT, then the * library defines MBEDTLS_PARAM_FAILED(\c cond) to be `assert(cond)`. * You can still supply an alternative definition of * MBEDTLS_PARAM_FAILED(), which may call `assert`. * - If you define a macro MBEDTLS_PARAM_FAILED() before including `config.h` * or you uncomment the definition of MBEDTLS_PARAM_FAILED() in `config.h`, * the library will call the macro that you defined and will not supply * its own version. Note that if MBEDTLS_PARAM_FAILED() calls `assert`, * you need to enable #MBEDTLS_CHECK_PARAMS_ASSERT so that library source * files include ``. * * Uncomment to enable validation of application-controlled parameters. */ //#define MBEDTLS_CHECK_PARAMS /** * \def MBEDTLS_CHECK_PARAMS_ASSERT * * Allow MBEDTLS_PARAM_FAILED() to call `assert`, and make it default to * `assert`. This macro is only used if #MBEDTLS_CHECK_PARAMS is defined. * * If this macro is not defined, then MBEDTLS_PARAM_FAILED() defaults to * calling a function mbedtls_param_failed(). See the documentation of * #MBEDTLS_CHECK_PARAMS for details. * * Uncomment to allow MBEDTLS_PARAM_FAILED() to call `assert`. */ //#define MBEDTLS_CHECK_PARAMS_ASSERT /* \} name SECTION: System support */ /** * \name SECTION: mbed TLS feature support * * This section sets support for features that are or are not needed * within the modules that are enabled. * \{ */ /** * \def MBEDTLS_TIMING_ALT * * Uncomment to provide your own alternate implementation for mbedtls_timing_hardclock(), * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay() * * Only works if you have MBEDTLS_TIMING_C enabled. * * You will need to provide a header "timing_alt.h" and an implementation at * compile time. */ //#define MBEDTLS_TIMING_ALT /** * \def MBEDTLS_AES_ALT * * MBEDTLS__MODULE_NAME__ALT: Uncomment a macro to let mbed TLS use your * alternate core implementation of a symmetric crypto, an arithmetic or hash * module (e.g. platform specific assembly optimized implementations). Keep * in mind that the function prototypes should remain the same. * * This replaces the whole module. If you only want to replace one of the * functions, use one of the MBEDTLS__FUNCTION_NAME__ALT flags. * * Example: In case you uncomment MBEDTLS_AES_ALT, mbed TLS will no longer * provide the "struct mbedtls_aes_context" definition and omit the base * function declarations and implementations. "aes_alt.h" will be included from * "aes.h" to include the new function definitions. * * Uncomment a macro to enable alternate implementation of the corresponding * module. * * \warning MD2, MD4, MD5, ARC4, DES and SHA-1 are considered weak and their * use constitutes a security risk. If possible, we recommend * avoiding dependencies on them, and considering stronger message * digests and ciphers instead. * */ //#define MBEDTLS_AES_ALT //#define MBEDTLS_ARC4_ALT //#define MBEDTLS_ARIA_ALT //#define MBEDTLS_BLOWFISH_ALT //#define MBEDTLS_CAMELLIA_ALT //#define MBEDTLS_CCM_ALT //#define MBEDTLS_CHACHA20_ALT //#define MBEDTLS_CHACHAPOLY_ALT //#define MBEDTLS_CMAC_ALT //#define MBEDTLS_DES_ALT //#define MBEDTLS_DHM_ALT //#define MBEDTLS_ECJPAKE_ALT //#define MBEDTLS_GCM_ALT //#define MBEDTLS_NIST_KW_ALT //#define MBEDTLS_MD2_ALT //#define MBEDTLS_MD4_ALT //#define MBEDTLS_MD5_ALT //#define MBEDTLS_POLY1305_ALT //#define MBEDTLS_RIPEMD160_ALT //#define MBEDTLS_RSA_ALT //#define MBEDTLS_SHA1_ALT //#define MBEDTLS_SHA256_ALT //#define MBEDTLS_SHA512_ALT //#define MBEDTLS_XTEA_ALT /* * When replacing the elliptic curve module, pleace consider, that it is * implemented with two .c files: * - ecp.c * - ecp_curves.c * You can replace them very much like all the other MBEDTLS__MODULE_NAME__ALT * macros as described above. The only difference is that you have to make sure * that you provide functionality for both .c files. */ //#define MBEDTLS_ECP_ALT /** * \def MBEDTLS_MD2_PROCESS_ALT * * MBEDTLS__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use you * alternate core implementation of symmetric crypto or hash function. Keep in * mind that function prototypes should remain the same. * * This replaces only one function. The header file from mbed TLS is still * used, in contrast to the MBEDTLS__MODULE_NAME__ALT flags. * * Example: In case you uncomment MBEDTLS_SHA256_PROCESS_ALT, mbed TLS will * no longer provide the mbedtls_sha1_process() function, but it will still provide * the other function (using your mbedtls_sha1_process() function) and the definition * of mbedtls_sha1_context, so your implementation of mbedtls_sha1_process must be compatible * with this definition. * * \note Because of a signature change, the core AES encryption and decryption routines are * currently named mbedtls_aes_internal_encrypt and mbedtls_aes_internal_decrypt, * respectively. When setting up alternative implementations, these functions should * be overridden, but the wrapper functions mbedtls_aes_decrypt and mbedtls_aes_encrypt * must stay untouched. * * \note If you use the AES_xxx_ALT macros, then it is recommended to also set * MBEDTLS_AES_ROM_TABLES in order to help the linker garbage-collect the AES * tables. * * Uncomment a macro to enable alternate implementation of the corresponding * function. * * \warning MD2, MD4, MD5, DES and SHA-1 are considered weak and their use * constitutes a security risk. If possible, we recommend avoiding * dependencies on them, and considering stronger message digests * and ciphers instead. * * \warning If both MBEDTLS_ECDSA_SIGN_ALT and MBEDTLS_ECDSA_DETERMINISTIC are * enabled, then the deterministic ECDH signature functions pass the * the static HMAC-DRBG as RNG to mbedtls_ecdsa_sign(). Therefore * alternative implementations should use the RNG only for generating * the ephemeral key and nothing else. If this is not possible, then * MBEDTLS_ECDSA_DETERMINISTIC should be disabled and an alternative * implementation should be provided for mbedtls_ecdsa_sign_det_ext() * (and for mbedtls_ecdsa_sign_det() too if backward compatibility is * desirable). * */ //#define MBEDTLS_MD2_PROCESS_ALT //#define MBEDTLS_MD4_PROCESS_ALT //#define MBEDTLS_MD5_PROCESS_ALT //#define MBEDTLS_RIPEMD160_PROCESS_ALT //#define MBEDTLS_SHA1_PROCESS_ALT //#define MBEDTLS_SHA256_PROCESS_ALT //#define MBEDTLS_SHA512_PROCESS_ALT //#define MBEDTLS_DES_SETKEY_ALT //#define MBEDTLS_DES_CRYPT_ECB_ALT //#define MBEDTLS_DES3_CRYPT_ECB_ALT //#define MBEDTLS_AES_SETKEY_ENC_ALT //#define MBEDTLS_AES_SETKEY_DEC_ALT //#define MBEDTLS_AES_ENCRYPT_ALT //#define MBEDTLS_AES_DECRYPT_ALT //#define MBEDTLS_ECDH_GEN_PUBLIC_ALT //#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT //#define MBEDTLS_ECDSA_VERIFY_ALT //#define MBEDTLS_ECDSA_SIGN_ALT //#define MBEDTLS_ECDSA_GENKEY_ALT /** * \def MBEDTLS_ECP_INTERNAL_ALT * * Expose a part of the internal interface of the Elliptic Curve Point module. * * MBEDTLS_ECP__FUNCTION_NAME__ALT: Uncomment a macro to let mbed TLS use your * alternative core implementation of elliptic curve arithmetic. Keep in mind * that function prototypes should remain the same. * * This partially replaces one function. The header file from mbed TLS is still * used, in contrast to the MBEDTLS_ECP_ALT flag. The original implementation * is still present and it is used for group structures not supported by the * alternative. * * The original implementation can in addition be removed by setting the * MBEDTLS_ECP_NO_FALLBACK option, in which case any function for which the * corresponding MBEDTLS_ECP__FUNCTION_NAME__ALT macro is defined will not be * able to fallback to curves not supported by the alternative implementation. * * Any of these options become available by defining MBEDTLS_ECP_INTERNAL_ALT * and implementing the following functions: * unsigned char mbedtls_internal_ecp_grp_capable( * const mbedtls_ecp_group *grp ) * int mbedtls_internal_ecp_init( const mbedtls_ecp_group *grp ) * void mbedtls_internal_ecp_free( const mbedtls_ecp_group *grp ) * The mbedtls_internal_ecp_grp_capable function should return 1 if the * replacement functions implement arithmetic for the given group and 0 * otherwise. * The functions mbedtls_internal_ecp_init and mbedtls_internal_ecp_free are * called before and after each point operation and provide an opportunity to * implement optimized set up and tear down instructions. * * Example: In case you set MBEDTLS_ECP_INTERNAL_ALT and * MBEDTLS_ECP_DOUBLE_JAC_ALT, mbed TLS will still provide the ecp_double_jac() * function, but will use your mbedtls_internal_ecp_double_jac() if the group * for the operation is supported by your implementation (i.e. your * mbedtls_internal_ecp_grp_capable() function returns 1 for this group). If the * group is not supported by your implementation, then the original mbed TLS * implementation of ecp_double_jac() is used instead, unless this fallback * behaviour is disabled by setting MBEDTLS_ECP_NO_FALLBACK (in which case * ecp_double_jac() will return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE). * * The function prototypes and the definition of mbedtls_ecp_group and * mbedtls_ecp_point will not change based on MBEDTLS_ECP_INTERNAL_ALT, so your * implementation of mbedtls_internal_ecp__function_name__ must be compatible * with their definitions. * * Uncomment a macro to enable alternate implementation of the corresponding * function. */ /* Required for all the functions in this section */ //#define MBEDTLS_ECP_INTERNAL_ALT /* Turn off software fallback for curves not supported in hardware */ //#define MBEDTLS_ECP_NO_FALLBACK /* Support for Weierstrass curves with Jacobi representation */ //#define MBEDTLS_ECP_RANDOMIZE_JAC_ALT //#define MBEDTLS_ECP_ADD_MIXED_ALT //#define MBEDTLS_ECP_DOUBLE_JAC_ALT //#define MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT //#define MBEDTLS_ECP_NORMALIZE_JAC_ALT /* Support for curves with Montgomery arithmetic */ //#define MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT //#define MBEDTLS_ECP_RANDOMIZE_MXZ_ALT //#define MBEDTLS_ECP_NORMALIZE_MXZ_ALT /** * \def MBEDTLS_TEST_NULL_ENTROPY * * Enables testing and use of mbed TLS without any configured entropy sources. * This permits use of the library on platforms before an entropy source has * been integrated (see for example the MBEDTLS_ENTROPY_HARDWARE_ALT or the * MBEDTLS_ENTROPY_NV_SEED switches). * * WARNING! This switch MUST be disabled in production builds, and is suitable * only for development. * Enabling the switch negates any security provided by the library. * * Requires MBEDTLS_ENTROPY_C, MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES * */ //#define MBEDTLS_TEST_NULL_ENTROPY /** * \def MBEDTLS_ENTROPY_HARDWARE_ALT * * Uncomment this macro to let mbed TLS use your own implementation of a * hardware entropy collector. * * Your function must be called \c mbedtls_hardware_poll(), have the same * prototype as declared in entropy_poll.h, and accept NULL as first argument. * * Uncomment to use your own hardware entropy collector. */ //#define MBEDTLS_ENTROPY_HARDWARE_ALT /** * \def MBEDTLS_AES_ROM_TABLES * * Use precomputed AES tables stored in ROM. * * Uncomment this macro to use precomputed AES tables stored in ROM. * Comment this macro to generate AES tables in RAM at runtime. * * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the * initialization time before the first AES operation can be performed. * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded * performance if ROM access is slower than RAM access. * * This option is independent of \c MBEDTLS_AES_FEWER_TABLES. * */ //#define MBEDTLS_AES_ROM_TABLES /** * \def MBEDTLS_AES_FEWER_TABLES * * Use less ROM/RAM for AES tables. * * Uncommenting this macro omits 75% of the AES tables from * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES) * by computing their values on the fly during operations * (the tables are entry-wise rotations of one another). * * Tradeoff: Uncommenting this reduces the RAM / ROM footprint * by ~6kb but at the cost of more arithmetic operations during * runtime. Specifically, one has to compare 4 accesses within * different tables to 4 accesses with additional arithmetic * operations within the same table. The performance gain/loss * depends on the system and memory details. * * This option is independent of \c MBEDTLS_AES_ROM_TABLES. * */ //#define MBEDTLS_AES_FEWER_TABLES /** * \def MBEDTLS_CAMELLIA_SMALL_MEMORY * * Use less ROM for the Camellia implementation (saves about 768 bytes). * * Uncomment this macro to use less memory for Camellia. */ //#define MBEDTLS_CAMELLIA_SMALL_MEMORY /** * \def MBEDTLS_CIPHER_MODE_CBC * * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers. */ #define MBEDTLS_CIPHER_MODE_CBC /** * \def MBEDTLS_CIPHER_MODE_CFB * * Enable Cipher Feedback mode (CFB) for symmetric ciphers. */ #define MBEDTLS_CIPHER_MODE_CFB /** * \def MBEDTLS_CIPHER_MODE_CTR * * Enable Counter Block Cipher mode (CTR) for symmetric ciphers. */ #define MBEDTLS_CIPHER_MODE_CTR /** * \def MBEDTLS_CIPHER_MODE_OFB * * Enable Output Feedback mode (OFB) for symmetric ciphers. */ #define MBEDTLS_CIPHER_MODE_OFB /** * \def MBEDTLS_CIPHER_MODE_XTS * * Enable Xor-encrypt-xor with ciphertext stealing mode (XTS) for AES. */ #define MBEDTLS_CIPHER_MODE_XTS /** * \def MBEDTLS_CIPHER_NULL_CIPHER * * Enable NULL cipher. * Warning: Only do so when you know what you are doing. This allows for * encryption or channels without any security! * * Requires MBEDTLS_ENABLE_WEAK_CIPHERSUITES as well to enable * the following ciphersuites: * MBEDTLS_TLS_ECDH_ECDSA_WITH_NULL_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_NULL_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_NULL_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256 * MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA * MBEDTLS_TLS_RSA_WITH_NULL_SHA256 * MBEDTLS_TLS_RSA_WITH_NULL_SHA * MBEDTLS_TLS_RSA_WITH_NULL_MD5 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA * MBEDTLS_TLS_PSK_WITH_NULL_SHA384 * MBEDTLS_TLS_PSK_WITH_NULL_SHA256 * MBEDTLS_TLS_PSK_WITH_NULL_SHA * * Uncomment this macro to enable the NULL cipher and ciphersuites */ //#define MBEDTLS_CIPHER_NULL_CIPHER /** * \def MBEDTLS_CIPHER_PADDING_PKCS7 * * MBEDTLS_CIPHER_PADDING_XXX: Uncomment or comment macros to add support for * specific padding modes in the cipher layer with cipher modes that support * padding (e.g. CBC) * * If you disable all padding modes, only full blocks can be used with CBC. * * Enable padding modes in the cipher layer. */ #define MBEDTLS_CIPHER_PADDING_PKCS7 #define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS #define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN #define MBEDTLS_CIPHER_PADDING_ZEROS /** \def MBEDTLS_CTR_DRBG_USE_128_BIT_KEY * * Uncomment this macro to use a 128-bit key in the CTR_DRBG module. * By default, CTR_DRBG uses a 256-bit key. */ //#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY /** * \def MBEDTLS_ENABLE_WEAK_CIPHERSUITES * * Enable weak ciphersuites in SSL / TLS. * Warning: Only do so when you know what you are doing. This allows for * channels with virtually no security at all! * * This enables the following ciphersuites: * MBEDTLS_TLS_RSA_WITH_DES_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_DES_CBC_SHA * * Uncomment this macro to enable weak ciphersuites * * \warning DES is considered a weak cipher and its use constitutes a * security risk. We recommend considering stronger ciphers instead. */ //#define MBEDTLS_ENABLE_WEAK_CIPHERSUITES /** * \def MBEDTLS_REMOVE_ARC4_CIPHERSUITES * * Remove RC4 ciphersuites by default in SSL / TLS. * This flag removes the ciphersuites based on RC4 from the default list as * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible to * enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including them * explicitly. * * Uncomment this macro to remove RC4 ciphersuites by default. */ #define MBEDTLS_REMOVE_ARC4_CIPHERSUITES /** * \def MBEDTLS_REMOVE_3DES_CIPHERSUITES * * Remove 3DES ciphersuites by default in SSL / TLS. * This flag removes the ciphersuites based on 3DES from the default list as * returned by mbedtls_ssl_list_ciphersuites(). However, it is still possible * to enable (some of) them with mbedtls_ssl_conf_ciphersuites() by including * them explicitly. * * A man-in-the-browser attacker can recover authentication tokens sent through * a TLS connection using a 3DES based cipher suite (see "On the Practical * (In-)Security of 64-bit Block Ciphers" by Karthikeyan Bhargavan and Gaëtan * Leurent, see https://sweet32.info/SWEET32_CCS16.pdf). If this attack falls * in your threat model or you are unsure, then you should keep this option * enabled to remove 3DES based cipher suites. * * Comment this macro to keep 3DES in the default ciphersuite list. */ #define MBEDTLS_REMOVE_3DES_CIPHERSUITES /** * \def MBEDTLS_ECP_DP_SECP192R1_ENABLED * * MBEDTLS_ECP_XXXX_ENABLED: Enables specific curves within the Elliptic Curve * module. By default all supported curves are enabled. * * Comment macros to disable the curve and functions for it */ /* Short Weierstrass curves (supporting ECP, ECDH, ECDSA) */ #define MBEDTLS_ECP_DP_SECP192R1_ENABLED #define MBEDTLS_ECP_DP_SECP224R1_ENABLED #define MBEDTLS_ECP_DP_SECP256R1_ENABLED #define MBEDTLS_ECP_DP_SECP384R1_ENABLED #define MBEDTLS_ECP_DP_SECP521R1_ENABLED #define MBEDTLS_ECP_DP_SECP192K1_ENABLED #define MBEDTLS_ECP_DP_SECP224K1_ENABLED #define MBEDTLS_ECP_DP_SECP256K1_ENABLED #define MBEDTLS_ECP_DP_BP256R1_ENABLED #define MBEDTLS_ECP_DP_BP384R1_ENABLED #define MBEDTLS_ECP_DP_BP512R1_ENABLED /* Montgomery curves (supporting ECP) */ #define MBEDTLS_ECP_DP_CURVE25519_ENABLED #define MBEDTLS_ECP_DP_CURVE448_ENABLED /** * \def MBEDTLS_ECP_NIST_OPTIM * * Enable specific 'modulo p' routines for each NIST prime. * Depending on the prime and architecture, makes operations 4 to 8 times * faster on the corresponding curve. * * Comment this macro to disable NIST curves optimisation. */ #define MBEDTLS_ECP_NIST_OPTIM /** * \def MBEDTLS_ECP_NO_INTERNAL_RNG * * When this option is disabled, mbedtls_ecp_mul() will make use of an * internal RNG when called with a NULL \c f_rng argument, in order to protect * against some side-channel attacks. * * This protection introduces a dependency of the ECP module on one of the * DRBG modules. For very constrained implementations that don't require this * protection (for example, because you're only doing signature verification, * so not manipulating any secret, or because local/physical side-channel * attacks are outside your threat model), it might be desirable to get rid of * that dependency. * * \warning Enabling this option makes some uses of ECP vulnerable to some * side-channel attacks. Only enable it if you know that's not a problem for * your use case. * * Uncomment this macro to disable some counter-measures in ECP. */ //#define MBEDTLS_ECP_NO_INTERNAL_RNG /** * \def MBEDTLS_ECP_RESTARTABLE * * Enable "non-blocking" ECC operations that can return early and be resumed. * * This allows various functions to pause by returning * #MBEDTLS_ERR_ECP_IN_PROGRESS (or, for functions in the SSL module, * #MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) and then be called later again in * order to further progress and eventually complete their operation. This is * controlled through mbedtls_ecp_set_max_ops() which limits the maximum * number of ECC operations a function may perform before pausing; see * mbedtls_ecp_set_max_ops() for more information. * * This is useful in non-threaded environments if you want to avoid blocking * for too long on ECC (and, hence, X.509 or SSL/TLS) operations. * * Uncomment this macro to enable restartable ECC computations. * * \note This option only works with the default software implementation of * elliptic curve functionality. It is incompatible with * MBEDTLS_ECP_ALT, MBEDTLS_ECDH_XXX_ALT, MBEDTLS_ECDSA_XXX_ALT * and MBEDTLS_ECDH_LEGACY_CONTEXT. */ //#define MBEDTLS_ECP_RESTARTABLE /** * \def MBEDTLS_ECDH_LEGACY_CONTEXT * * Use a backward compatible ECDH context. * * Mbed TLS supports two formats for ECDH contexts (#mbedtls_ecdh_context * defined in `ecdh.h`). For most applications, the choice of format makes * no difference, since all library functions can work with either format, * except that the new format is incompatible with MBEDTLS_ECP_RESTARTABLE. * The new format used when this option is disabled is smaller * (56 bytes on a 32-bit platform). In future versions of the library, it * will support alternative implementations of ECDH operations. * The new format is incompatible with applications that access * context fields directly and with restartable ECP operations. * * Define this macro if you enable MBEDTLS_ECP_RESTARTABLE or if you * want to access ECDH context fields directly. Otherwise you should * comment out this macro definition. * * This option has no effect if #MBEDTLS_ECDH_C is not enabled. * * \note This configuration option is experimental. Future versions of the * library may modify the way the ECDH context layout is configured * and may modify the layout of the new context type. */ #define MBEDTLS_ECDH_LEGACY_CONTEXT /** * \def MBEDTLS_ECDSA_DETERMINISTIC * * Enable deterministic ECDSA (RFC 6979). * Standard ECDSA is "fragile" in the sense that lack of entropy when signing * may result in a compromise of the long-term signing key. This is avoided by * the deterministic variant. * * Requires: MBEDTLS_HMAC_DRBG_C, MBEDTLS_ECDSA_C * * Comment this macro to disable deterministic ECDSA. */ #define MBEDTLS_ECDSA_DETERMINISTIC /** * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED * * Enable the PSK based ciphersuite modes in SSL / TLS. * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_PSK_WITH_RC4_128_SHA */ #define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED * * Enable the DHE-PSK based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_DHM_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA * * \warning Using DHE constitutes a security risk as it * is not possible to validate custom DH parameters. * If possible, it is recommended users should consider * preferring other methods of key exchange. * See dhm.h for more details. * */ #define MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED * * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_ECDH_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA */ #define MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED * * Enable the RSA-PSK based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, * MBEDTLS_X509_CRT_PARSE_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA */ #define MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED * * Enable the RSA-only based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, * MBEDTLS_X509_CRT_PARSE_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA * MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_RSA_WITH_RC4_128_SHA * MBEDTLS_TLS_RSA_WITH_RC4_128_MD5 */ #define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED * * Enable the DHE-RSA based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_DHM_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, * MBEDTLS_X509_CRT_PARSE_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA * * \warning Using DHE constitutes a security risk as it * is not possible to validate custom DH parameters. * If possible, it is recommended users should consider * preferring other methods of key exchange. * See dhm.h for more details. * */ #define MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED * * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_PKCS1_V15, * MBEDTLS_X509_CRT_PARSE_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA */ #define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED * * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C, * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA */ #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED * * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_ECDH_C, MBEDTLS_ECDSA_C, MBEDTLS_X509_CRT_PARSE_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA * MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 */ #define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED * * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS. * * Requires: MBEDTLS_ECDH_C, MBEDTLS_RSA_C, MBEDTLS_X509_CRT_PARSE_C * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 */ #define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED /** * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED * * Enable the ECJPAKE based ciphersuite modes in SSL / TLS. * * \warning This is currently experimental. EC J-PAKE support is based on the * Thread v1.0.0 specification; incompatible changes to the specification * might still happen. For this reason, this is disabled by default. * * Requires: MBEDTLS_ECJPAKE_C * MBEDTLS_SHA256_C * MBEDTLS_ECP_DP_SECP256R1_ENABLED * * This enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8 */ //#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED /** * \def MBEDTLS_PK_PARSE_EC_EXTENDED * * Enhance support for reading EC keys using variants of SEC1 not allowed by * RFC 5915 and RFC 5480. * * Currently this means parsing the SpecifiedECDomain choice of EC * parameters (only known groups are supported, not arbitrary domains, to * avoid validation issues). * * Disable if you only need to support RFC 5915 + 5480 key formats. */ #define MBEDTLS_PK_PARSE_EC_EXTENDED /** * \def MBEDTLS_ERROR_STRERROR_DUMMY * * Enable a dummy error function to make use of mbedtls_strerror() in * third party libraries easier when MBEDTLS_ERROR_C is disabled * (no effect when MBEDTLS_ERROR_C is enabled). * * You can safely disable this if MBEDTLS_ERROR_C is enabled, or if you're * not using mbedtls_strerror() or error_strerror() in your application. * * Disable if you run into name conflicts and want to really remove the * mbedtls_strerror() */ #define MBEDTLS_ERROR_STRERROR_DUMMY /** * \def MBEDTLS_GENPRIME * * Enable the prime-number generation code. * * Requires: MBEDTLS_BIGNUM_C */ #define MBEDTLS_GENPRIME /** * \def MBEDTLS_FS_IO * * Enable functions that use the filesystem. */ #define MBEDTLS_FS_IO /** * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES * * Do not add default entropy sources. These are the platform specific, * mbedtls_timing_hardclock and HAVEGE based poll functions. * * This is useful to have more control over the added entropy sources in an * application. * * Uncomment this macro to prevent loading of default entropy functions. */ //#define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES /** * \def MBEDTLS_NO_PLATFORM_ENTROPY * * Do not use built-in platform entropy functions. * This is useful if your platform does not support * standards like the /dev/urandom or Windows CryptoAPI. * * Uncomment this macro to disable the built-in platform entropy functions. */ //#define MBEDTLS_NO_PLATFORM_ENTROPY /** * \def MBEDTLS_ENTROPY_FORCE_SHA256 * * Force the entropy accumulator to use a SHA-256 accumulator instead of the * default SHA-512 based one (if both are available). * * Requires: MBEDTLS_SHA256_C * * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option * if you have performance concerns. * * This option is only useful if both MBEDTLS_SHA256_C and * MBEDTLS_SHA512_C are defined. Otherwise the available hash module is used. */ //#define MBEDTLS_ENTROPY_FORCE_SHA256 /** * \def MBEDTLS_ENTROPY_NV_SEED * * Enable the non-volatile (NV) seed file-based entropy source. * (Also enables the NV seed read/write functions in the platform layer) * * This is crucial (if not required) on systems that do not have a * cryptographic entropy source (in hardware or kernel) available. * * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C * * \note The read/write functions that are used by the entropy source are * determined in the platform layer, and can be modified at runtime and/or * compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used. * * \note If you use the default implementation functions that read a seedfile * with regular fopen(), please make sure you make a seedfile with the * proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at * least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from * and written to or you will get an entropy source error! The default * implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE * bytes from the file. * * \note The entropy collector will write to the seed file before entropy is * given to an external source, to update it. */ //#define MBEDTLS_ENTROPY_NV_SEED /* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER * * Enable key identifiers that encode a key owner identifier. * * The owner of a key is identified by a value of type ::mbedtls_key_owner_id_t * which is currently hard-coded to be int32_t. * * Note that this option is meant for internal use only and may be removed * without notice. It is incompatible with MBEDTLS_USE_PSA_CRYPTO. */ //#define MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER /** * \def MBEDTLS_MEMORY_DEBUG * * Enable debugging of buffer allocator memory issues. Automatically prints * (to stderr) all (fatal) messages on memory allocation issues. Enables * function for 'debug output' of allocated memory. * * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C * * Uncomment this macro to let the buffer allocator print out error messages. */ //#define MBEDTLS_MEMORY_DEBUG /** * \def MBEDTLS_MEMORY_BACKTRACE * * Include backtrace information with each allocated block. * * Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C * GLIBC-compatible backtrace() an backtrace_symbols() support * * Uncomment this macro to include backtrace information */ //#define MBEDTLS_MEMORY_BACKTRACE /** * \def MBEDTLS_PK_RSA_ALT_SUPPORT * * Support external private RSA keys (eg from a HSM) in the PK layer. * * Comment this macro to disable support for external private RSA keys. */ #define MBEDTLS_PK_RSA_ALT_SUPPORT /** * \def MBEDTLS_PKCS1_V15 * * Enable support for PKCS#1 v1.5 encoding. * * Requires: MBEDTLS_RSA_C * * This enables support for PKCS#1 v1.5 operations. */ #define MBEDTLS_PKCS1_V15 /** * \def MBEDTLS_PKCS1_V21 * * Enable support for PKCS#1 v2.1 encoding. * * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C * * This enables support for RSAES-OAEP and RSASSA-PSS operations. */ #define MBEDTLS_PKCS1_V21 /** \def MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS * * Enable support for platform built-in keys. If you enable this feature, * you must implement the function mbedtls_psa_platform_get_builtin_key(). * See the documentation of that function for more information. * * Built-in keys are typically derived from a hardware unique key or * stored in a secure element. * * Requires: MBEDTLS_PSA_CRYPTO_C. * * \warning This interface is experimental and may change or be removed * without notice. */ //#define MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS /** \def MBEDTLS_PSA_CRYPTO_CLIENT * * Enable support for PSA crypto client. * * \note This option allows to include the code necessary for a PSA * crypto client when the PSA crypto implementation is not included in * the library (MBEDTLS_PSA_CRYPTO_C disabled). The code included is the * code to set and get PSA key attributes. * The development of PSA drivers partially relying on the library to * fulfill the hardware gaps is another possible usage of this option. * * \warning This interface is experimental and may change or be removed * without notice. */ //#define MBEDTLS_PSA_CRYPTO_CLIENT /** \def MBEDTLS_PSA_CRYPTO_DRIVERS * * Enable support for the experimental PSA crypto driver interface. * * Requires: MBEDTLS_PSA_CRYPTO_C * * \warning This interface is experimental and may change or be removed * without notice. */ //#define MBEDTLS_PSA_CRYPTO_DRIVERS /** \def MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG * * Make the PSA Crypto module use an external random generator provided * by a driver, instead of Mbed TLS's entropy and DRBG modules. * * \note This random generator must deliver random numbers with cryptographic * quality and high performance. It must supply unpredictable numbers * with a uniform distribution. The implementation of this function * is responsible for ensuring that the random generator is seeded * with sufficient entropy. If you have a hardware TRNG which is slow * or delivers non-uniform output, declare it as an entropy source * with mbedtls_entropy_add_source() instead of enabling this option. * * If you enable this option, you must configure the type * ::mbedtls_psa_external_random_context_t in psa/crypto_platform.h * and define a function called mbedtls_psa_external_get_random() * with the following prototype: * ``` * psa_status_t mbedtls_psa_external_get_random( * mbedtls_psa_external_random_context_t *context, * uint8_t *output, size_t output_size, size_t *output_length); * ); * ``` * The \c context value is initialized to 0 before the first call. * The function must fill the \c output buffer with \p output_size bytes * of random data and set \c *output_length to \p output_size. * * Requires: MBEDTLS_PSA_CRYPTO_C * * \warning If you enable this option, code that uses the PSA cryptography * interface will not use any of the entropy sources set up for * the entropy module, nor the NV seed that MBEDTLS_ENTROPY_NV_SEED * enables. * * \note This option is experimental and may be removed without notice. */ //#define MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG /** * \def MBEDTLS_PSA_CRYPTO_SPM * * When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is built for SPM (Secure * Partition Manager) integration which separates the code into two parts: a * NSPE (Non-Secure Process Environment) and an SPE (Secure Process * Environment). * * Module: library/psa_crypto.c * Requires: MBEDTLS_PSA_CRYPTO_C * */ //#define MBEDTLS_PSA_CRYPTO_SPM /** * \def MBEDTLS_PSA_INJECT_ENTROPY * * Enable support for entropy injection at first boot. This feature is * required on systems that do not have a built-in entropy source (TRNG). * This feature is currently not supported on systems that have a built-in * entropy source. * * Requires: MBEDTLS_PSA_CRYPTO_STORAGE_C, MBEDTLS_ENTROPY_NV_SEED * */ //#define MBEDTLS_PSA_INJECT_ENTROPY /** * \def MBEDTLS_RSA_NO_CRT * * Do not use the Chinese Remainder Theorem * for the RSA private operation. * * Uncomment this macro to disable the use of CRT in RSA. * */ //#define MBEDTLS_RSA_NO_CRT /** * \def MBEDTLS_SELF_TEST * * Enable the checkup functions (*_self_test). */ #define MBEDTLS_SELF_TEST /** * \def MBEDTLS_SHA256_SMALLER * * Enable an implementation of SHA-256 that has lower ROM footprint but also * lower performance. * * The default implementation is meant to be a reasonnable compromise between * performance and size. This version optimizes more aggressively for size at * the expense of performance. Eg on Cortex-M4 it reduces the size of * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about * 30%. * * Uncomment to enable the smaller implementation of SHA256. */ //#define MBEDTLS_SHA256_SMALLER /** * \def MBEDTLS_SHA512_SMALLER * * Enable an implementation of SHA-512 that has lower ROM footprint but also * lower performance. * * Uncomment to enable the smaller implementation of SHA512. */ //#define MBEDTLS_SHA512_SMALLER /** * \def MBEDTLS_SHA512_NO_SHA384 * * Disable the SHA-384 option of the SHA-512 module. Use this to save some * code size on devices that don't use SHA-384. * * Requires: MBEDTLS_SHA512_C * * Uncomment to disable SHA-384 */ //#define MBEDTLS_SHA512_NO_SHA384 /** * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES * * Enable sending of alert messages in case of encountered errors as per RFC. * If you choose not to send the alert messages, mbed TLS can still communicate * with other servers, only debugging of failures is harder. * * The advantage of not sending alert messages, is that no information is given * about reasons for failures thus preventing adversaries of gaining intel. * * Enable sending of all alert messages */ #define MBEDTLS_SSL_ALL_ALERT_MESSAGES /** * \def MBEDTLS_SSL_RECORD_CHECKING * * Enable the function mbedtls_ssl_check_record() which can be used to check * the validity and authenticity of an incoming record, to verify that it has * not been seen before. These checks are performed without modifying the * externally visible state of the SSL context. * * See mbedtls_ssl_check_record() for more information. * * Uncomment to enable support for record checking. */ #define MBEDTLS_SSL_RECORD_CHECKING /** * \def MBEDTLS_SSL_DTLS_CONNECTION_ID * * Enable support for the DTLS Connection ID extension * (version draft-ietf-tls-dtls-connection-id-05, * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05) * which allows to identify DTLS connections across changes * in the underlying transport. * * Setting this option enables the SSL APIs `mbedtls_ssl_set_cid()`, * `mbedtls_ssl_get_peer_cid()` and `mbedtls_ssl_conf_cid()`. * See the corresponding documentation for more information. * * \warning The Connection ID extension is still in draft state. * We make no stability promises for the availability * or the shape of the API controlled by this option. * * The maximum lengths of outgoing and incoming CIDs can be configured * through the options * - MBEDTLS_SSL_CID_OUT_LEN_MAX * - MBEDTLS_SSL_CID_IN_LEN_MAX. * * Requires: MBEDTLS_SSL_PROTO_DTLS * * Uncomment to enable the Connection ID extension. */ //#define MBEDTLS_SSL_DTLS_CONNECTION_ID /** * \def MBEDTLS_SSL_ASYNC_PRIVATE * * Enable asynchronous external private key operations in SSL. This allows * you to configure an SSL connection to call an external cryptographic * module to perform private key operations instead of performing the * operation inside the library. * */ //#define MBEDTLS_SSL_ASYNC_PRIVATE /** * \def MBEDTLS_SSL_CONTEXT_SERIALIZATION * * Enable serialization of the TLS context structures, through use of the * functions mbedtls_ssl_context_save() and mbedtls_ssl_context_load(). * * This pair of functions allows one side of a connection to serialize the * context associated with the connection, then free or re-use that context * while the serialized state is persisted elsewhere, and finally deserialize * that state to a live context for resuming read/write operations on the * connection. From a protocol perspective, the state of the connection is * unaffected, in particular this is entirely transparent to the peer. * * Note: this is distinct from TLS session resumption, which is part of the * protocol and fully visible by the peer. TLS session resumption enables * establishing new connections associated to a saved session with shorter, * lighter handshakes, while context serialization is a local optimization in * handling a single, potentially long-lived connection. * * Enabling these APIs makes some SSL structures larger, as 64 extra bytes are * saved after the handshake to allow for more efficient serialization, so if * you don't need this feature you'll save RAM by disabling it. * * Comment to disable the context serialization APIs. */ #define MBEDTLS_SSL_CONTEXT_SERIALIZATION /** * \def MBEDTLS_SSL_DEBUG_ALL * * Enable the debug messages in SSL module for all issues. * Debug messages have been disabled in some places to prevent timing * attacks due to (unbalanced) debugging function calls. * * If you need all error reporting you should enable this during debugging, * but remove this for production servers that should log as well. * * Uncomment this macro to report all debug messages on errors introducing * a timing side-channel. * */ //#define MBEDTLS_SSL_DEBUG_ALL /** \def MBEDTLS_SSL_ENCRYPT_THEN_MAC * * Enable support for Encrypt-then-MAC, RFC 7366. * * This allows peers that both support it to use a more robust protection for * ciphersuites using CBC, providing deep resistance against timing attacks * on the padding or underlying cipher. * * This only affects CBC ciphersuites, and is useless if none is defined. * * Requires: MBEDTLS_SSL_PROTO_TLS1 or * MBEDTLS_SSL_PROTO_TLS1_1 or * MBEDTLS_SSL_PROTO_TLS1_2 * * Comment this macro to disable support for Encrypt-then-MAC */ #define MBEDTLS_SSL_ENCRYPT_THEN_MAC /** \def MBEDTLS_SSL_EXTENDED_MASTER_SECRET * * Enable support for RFC 7627: Session Hash and Extended Master Secret * Extension. * * This was introduced as "the proper fix" to the Triple Handshake familiy of * attacks, but it is recommended to always use it (even if you disable * renegotiation), since it actually fixes a more fundamental issue in the * original SSL/TLS design, and has implications beyond Triple Handshake. * * Requires: MBEDTLS_SSL_PROTO_TLS1 or * MBEDTLS_SSL_PROTO_TLS1_1 or * MBEDTLS_SSL_PROTO_TLS1_2 * * Comment this macro to disable support for Extended Master Secret. */ #define MBEDTLS_SSL_EXTENDED_MASTER_SECRET /** * \def MBEDTLS_SSL_FALLBACK_SCSV * * Enable support for RFC 7507: Fallback Signaling Cipher Suite Value (SCSV) * for Preventing Protocol Downgrade Attacks. * * For servers, it is recommended to always enable this, unless you support * only one version of TLS, or know for sure that none of your clients * implements a fallback strategy. * * For clients, you only need this if you're using a fallback strategy, which * is not recommended in the first place, unless you absolutely need it to * interoperate with buggy (version-intolerant) servers. * * Comment this macro to disable support for FALLBACK_SCSV */ #define MBEDTLS_SSL_FALLBACK_SCSV /** * \def MBEDTLS_SSL_KEEP_PEER_CERTIFICATE * * This option controls the availability of the API mbedtls_ssl_get_peer_cert() * giving access to the peer's certificate after completion of the handshake. * * Unless you need mbedtls_ssl_peer_cert() in your application, it is * recommended to disable this option for reduced RAM usage. * * \note If this option is disabled, mbedtls_ssl_get_peer_cert() is still * defined, but always returns \c NULL. * * \note This option has no influence on the protection against the * triple handshake attack. Even if it is disabled, Mbed TLS will * still ensure that certificates do not change during renegotiation, * for exaple by keeping a hash of the peer's certificate. * * Comment this macro to disable storing the peer's certificate * after the handshake. */ #define MBEDTLS_SSL_KEEP_PEER_CERTIFICATE /** * \def MBEDTLS_SSL_HW_RECORD_ACCEL * * Enable hooking functions in SSL module for hardware acceleration of * individual records. * * \deprecated This option is deprecated and will be removed in a future * version of Mbed TLS. * * Uncomment this macro to enable hooking functions. */ //#define MBEDTLS_SSL_HW_RECORD_ACCEL /** * \def MBEDTLS_SSL_CBC_RECORD_SPLITTING * * Enable 1/n-1 record splitting for CBC mode in SSLv3 and TLS 1.0. * * This is a countermeasure to the BEAST attack, which also minimizes the risk * of interoperability issues compared to sending 0-length records. * * Comment this macro to disable 1/n-1 record splitting. */ #define MBEDTLS_SSL_CBC_RECORD_SPLITTING /** * \def MBEDTLS_SSL_RENEGOTIATION * * Enable support for TLS renegotiation. * * The two main uses of renegotiation are (1) refresh keys on long-lived * connections and (2) client authentication after the initial handshake. * If you don't need renegotiation, it's probably better to disable it, since * it has been associated with security issues in the past and is easy to * misuse/misunderstand. * * Comment this to disable support for renegotiation. * * \note Even if this option is disabled, both client and server are aware * of the Renegotiation Indication Extension (RFC 5746) used to * prevent the SSL renegotiation attack (see RFC 5746 Sect. 1). * (See \c mbedtls_ssl_conf_legacy_renegotiation for the * configuration of this extension). * */ #define MBEDTLS_SSL_RENEGOTIATION /** * \def MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO * * Enable support for receiving and parsing SSLv2 Client Hello messages for the * SSL Server module (MBEDTLS_SSL_SRV_C). * * \deprecated This option is deprecated and will be removed in a future * version of Mbed TLS. * * Uncomment this macro to enable support for SSLv2 Client Hello messages. */ //#define MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO /** * \def MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE * * Pick the ciphersuite according to the client's preferences rather than ours * in the SSL Server module (MBEDTLS_SSL_SRV_C). * * Uncomment this macro to respect client's ciphersuite order */ //#define MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE /** * \def MBEDTLS_SSL_MAX_FRAGMENT_LENGTH * * Enable support for RFC 6066 max_fragment_length extension in SSL. * * Comment this macro to disable support for the max_fragment_length extension */ #define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH /** * \def MBEDTLS_SSL_PROTO_SSL3 * * Enable support for SSL 3.0. * * Requires: MBEDTLS_MD5_C * MBEDTLS_SHA1_C * * \deprecated This option is deprecated and will be removed in a future * version of Mbed TLS. * * Comment this macro to disable support for SSL 3.0 */ //#define MBEDTLS_SSL_PROTO_SSL3 /** * \def MBEDTLS_SSL_PROTO_TLS1 * * Enable support for TLS 1.0. * * Requires: MBEDTLS_MD5_C * MBEDTLS_SHA1_C * * Comment this macro to disable support for TLS 1.0 */ #define MBEDTLS_SSL_PROTO_TLS1 /** * \def MBEDTLS_SSL_PROTO_TLS1_1 * * Enable support for TLS 1.1 (and DTLS 1.0 if DTLS is enabled). * * Requires: MBEDTLS_MD5_C * MBEDTLS_SHA1_C * * Comment this macro to disable support for TLS 1.1 / DTLS 1.0 */ #define MBEDTLS_SSL_PROTO_TLS1_1 /** * \def MBEDTLS_SSL_PROTO_TLS1_2 * * Enable support for TLS 1.2 (and DTLS 1.2 if DTLS is enabled). * * Requires: MBEDTLS_SHA1_C or MBEDTLS_SHA256_C or MBEDTLS_SHA512_C * (Depends on ciphersuites) * * Comment this macro to disable support for TLS 1.2 / DTLS 1.2 */ #define MBEDTLS_SSL_PROTO_TLS1_2 /** * \def MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL * * This macro is used to selectively enable experimental parts * of the code that contribute to the ongoing development of * the prototype TLS 1.3 and DTLS 1.3 implementation, and provide * no other purpose. * * \warning TLS 1.3 and DTLS 1.3 aren't yet supported in Mbed TLS, * and no feature exposed through this macro is part of the * public API. In particular, features under the control * of this macro are experimental and don't come with any * stability guarantees. * * Uncomment this macro to enable experimental and partial * functionality specific to TLS 1.3. */ //#define MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL /** * \def MBEDTLS_SSL_PROTO_DTLS * * Enable support for DTLS (all available versions). * * Enable this and MBEDTLS_SSL_PROTO_TLS1_1 to enable DTLS 1.0, * and/or this and MBEDTLS_SSL_PROTO_TLS1_2 to enable DTLS 1.2. * * Requires: MBEDTLS_SSL_PROTO_TLS1_1 * or MBEDTLS_SSL_PROTO_TLS1_2 * * Comment this macro to disable support for DTLS */ #define MBEDTLS_SSL_PROTO_DTLS /** * \def MBEDTLS_SSL_ALPN * * Enable support for RFC 7301 Application Layer Protocol Negotiation. * * Comment this macro to disable support for ALPN. */ #define MBEDTLS_SSL_ALPN /** * \def MBEDTLS_SSL_DTLS_ANTI_REPLAY * * Enable support for the anti-replay mechanism in DTLS. * * Requires: MBEDTLS_SSL_TLS_C * MBEDTLS_SSL_PROTO_DTLS * * \warning Disabling this is often a security risk! * See mbedtls_ssl_conf_dtls_anti_replay() for details. * * Comment this to disable anti-replay in DTLS. */ #define MBEDTLS_SSL_DTLS_ANTI_REPLAY /** * \def MBEDTLS_SSL_DTLS_HELLO_VERIFY * * Enable support for HelloVerifyRequest on DTLS servers. * * This feature is highly recommended to prevent DTLS servers being used as * amplifiers in DoS attacks against other hosts. It should always be enabled * unless you know for sure amplification cannot be a problem in the * environment in which your server operates. * * \warning Disabling this can ba a security risk! (see above) * * Requires: MBEDTLS_SSL_PROTO_DTLS * * Comment this to disable support for HelloVerifyRequest. */ #define MBEDTLS_SSL_DTLS_HELLO_VERIFY /** * \def MBEDTLS_SSL_DTLS_SRTP * * Enable support for negotiation of DTLS-SRTP (RFC 5764) * through the use_srtp extension. * * \note This feature provides the minimum functionality required * to negotiate the use of DTLS-SRTP and to allow the derivation of * the associated SRTP packet protection key material. * In particular, the SRTP packet protection itself, as well as the * demultiplexing of RTP and DTLS packets at the datagram layer * (see Section 5 of RFC 5764), are not handled by this feature. * Instead, after successful completion of a handshake negotiating * the use of DTLS-SRTP, the extended key exporter API * mbedtls_ssl_conf_export_keys_ext_cb() should be used to implement * the key exporter described in Section 4.2 of RFC 5764 and RFC 5705 * (this is implemented in the SSL example programs). * The resulting key should then be passed to an SRTP stack. * * Setting this option enables the runtime API * mbedtls_ssl_conf_dtls_srtp_protection_profiles() * through which the supported DTLS-SRTP protection * profiles can be configured. You must call this API at * runtime if you wish to negotiate the use of DTLS-SRTP. * * Requires: MBEDTLS_SSL_PROTO_DTLS * * Uncomment this to enable support for use_srtp extension. */ //#define MBEDTLS_SSL_DTLS_SRTP /** * \def MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE * * Enable server-side support for clients that reconnect from the same port. * * Some clients unexpectedly close the connection and try to reconnect using the * same source port. This needs special support from the server to handle the * new connection securely, as described in section 4.2.8 of RFC 6347. This * flag enables that support. * * Requires: MBEDTLS_SSL_DTLS_HELLO_VERIFY * * Comment this to disable support for clients reusing the source port. */ #define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE /** * \def MBEDTLS_SSL_DTLS_BADMAC_LIMIT * * Enable support for a limit of records with bad MAC. * * See mbedtls_ssl_conf_dtls_badmac_limit(). * * Requires: MBEDTLS_SSL_PROTO_DTLS */ #define MBEDTLS_SSL_DTLS_BADMAC_LIMIT /** * \def MBEDTLS_SSL_SESSION_TICKETS * * Enable support for RFC 5077 session tickets in SSL. * Client-side, provides full support for session tickets (maintenance of a * session store remains the responsibility of the application, though). * Server-side, you also need to provide callbacks for writing and parsing * tickets, including authenticated encryption and key management. Example * callbacks are provided by MBEDTLS_SSL_TICKET_C. * * Comment this macro to disable support for SSL session tickets */ #define MBEDTLS_SSL_SESSION_TICKETS /** * \def MBEDTLS_SSL_EXPORT_KEYS * * Enable support for exporting key block and master secret. * This is required for certain users of TLS, e.g. EAP-TLS. * * Comment this macro to disable support for key export */ #define MBEDTLS_SSL_EXPORT_KEYS /** * \def MBEDTLS_SSL_SERVER_NAME_INDICATION * * Enable support for RFC 6066 server name indication (SNI) in SSL. * * Requires: MBEDTLS_X509_CRT_PARSE_C * * Comment this macro to disable support for server name indication in SSL */ #define MBEDTLS_SSL_SERVER_NAME_INDICATION /** * \def MBEDTLS_SSL_TRUNCATED_HMAC * * Enable support for RFC 6066 truncated HMAC in SSL. * * Comment this macro to disable support for truncated HMAC in SSL */ #define MBEDTLS_SSL_TRUNCATED_HMAC /** * \def MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT * * Fallback to old (pre-2.7), non-conforming implementation of the truncated * HMAC extension which also truncates the HMAC key. Note that this option is * only meant for a transitory upgrade period and will be removed in a future * version of the library. * * \warning The old implementation is non-compliant and has a security weakness * (2^80 brute force attack on the HMAC key used for a single, * uninterrupted connection). This should only be enabled temporarily * when (1) the use of truncated HMAC is essential in order to save * bandwidth, and (2) the peer is an Mbed TLS stack that doesn't use * the fixed implementation yet (pre-2.7). * * \deprecated This option is deprecated and will be removed in a * future version of Mbed TLS. * * Uncomment to fallback to old, non-compliant truncated HMAC implementation. * * Requires: MBEDTLS_SSL_TRUNCATED_HMAC */ //#define MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT /** * \def MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH * * When this option is enabled, the SSL buffer will be resized automatically * based on the negotiated maximum fragment length in each direction. * * Requires: MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */ //#define MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH /** * \def MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN * * Enable testing of the constant-flow nature of some sensitive functions with * clang's MemorySanitizer. This causes some existing tests to also test * this non-functional property of the code under test. * * This setting requires compiling with clang -fsanitize=memory. The test * suites can then be run normally. * * \warning This macro is only used for extended testing; it is not considered * part of the library's API, so it may change or disappear at any time. * * Uncomment to enable testing of the constant-flow nature of selected code. */ //#define MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN /** * \def MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND * * Enable testing of the constant-flow nature of some sensitive functions with * valgrind's memcheck tool. This causes some existing tests to also test * this non-functional property of the code under test. * * This setting requires valgrind headers for building, and is only useful for * testing if the tests suites are run with valgrind's memcheck. This can be * done for an individual test suite with 'valgrind ./test_suite_xxx', or when * using CMake, this can be done for all test suites with 'make memcheck'. * * \warning This macro is only used for extended testing; it is not considered * part of the library's API, so it may change or disappear at any time. * * Uncomment to enable testing of the constant-flow nature of selected code. */ //#define MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND /** * \def MBEDTLS_TEST_HOOKS * * Enable features for invasive testing such as introspection functions and * hooks for fault injection. This enables additional unit tests. * * Merely enabling this feature should not change the behavior of the product. * It only adds new code, and new branching points where the default behavior * is the same as when this feature is disabled. * However, this feature increases the attack surface: there is an added * risk of vulnerabilities, and more gadgets that can make exploits easier. * Therefore this feature must never be enabled in production. * * See `docs/architecture/testing/mbed-crypto-invasive-testing.md` for more * information. * * Uncomment to enable invasive tests. */ //#define MBEDTLS_TEST_HOOKS /** * \def MBEDTLS_THREADING_ALT * * Provide your own alternate threading implementation. * * Requires: MBEDTLS_THREADING_C * * Uncomment this to allow your own alternate threading implementation. */ //#define MBEDTLS_THREADING_ALT /** * \def MBEDTLS_THREADING_PTHREAD * * Enable the pthread wrapper layer for the threading layer. * * Requires: MBEDTLS_THREADING_C * * Uncomment this to enable pthread mutexes. */ //#define MBEDTLS_THREADING_PTHREAD /** * \def MBEDTLS_USE_PSA_CRYPTO * * Make the X.509 and TLS library use PSA for cryptographic operations, and * enable new APIs for using keys handled by PSA Crypto. * * \note Development of this option is currently in progress, and parts of Mbed * TLS's X.509 and TLS modules are not ported to PSA yet. However, these parts * will still continue to work as usual, so enabling this option should not * break backwards compatibility. * * \warning The PSA Crypto API is in beta stage. While you're welcome to * experiment using it, incompatible API changes are still possible, and some * parts may not have reached the same quality as the rest of Mbed TLS yet. * * \warning This option enables new Mbed TLS APIs that are dependent on the * PSA Crypto API, so can't come with the same stability guarantees as the * rest of the Mbed TLS APIs. You're welcome to experiment with them, but for * now, access to these APIs is opt-in (via enabling the present option), in * order to clearly differentiate them from the stable Mbed TLS APIs. * * Requires: MBEDTLS_PSA_CRYPTO_C. * * Uncomment this to enable internal use of PSA Crypto and new associated APIs. */ //#define MBEDTLS_USE_PSA_CRYPTO /** * \def MBEDTLS_PSA_CRYPTO_CONFIG * * This setting allows support for cryptographic mechanisms through the PSA * API to be configured separately from support through the mbedtls API. * * Uncomment this to enable use of PSA Crypto configuration settings which * can be found in include/psa/crypto_config.h. * * If you enable this option and write your own configuration file, you must * include mbedtls/config_psa.h in your configuration file. The default * provided mbedtls/config.h contains the necessary inclusion. * * This feature is still experimental and is not ready for production since * it is not completed. */ //#define MBEDTLS_PSA_CRYPTO_CONFIG /** * \def MBEDTLS_VERSION_FEATURES * * Allow run-time checking of compile-time enabled features. Thus allowing users * to check at run-time if the library is for instance compiled with threading * support via mbedtls_version_check_feature(). * * Requires: MBEDTLS_VERSION_C * * Comment this to disable run-time checking and save ROM space */ #define MBEDTLS_VERSION_FEATURES /** * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 * * If set, the X509 parser will not break-off when parsing an X509 certificate * and encountering an extension in a v1 or v2 certificate. * * Uncomment to prevent an error. */ //#define MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 /** * \def MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION * * If set, the X509 parser will not break-off when parsing an X509 certificate * and encountering an unknown critical extension. * * \warning Depending on your PKI use, enabling this can be a security risk! * * Uncomment to prevent an error. */ //#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION /** * \def MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK * * If set, this enables the X.509 API `mbedtls_x509_crt_verify_with_ca_cb()` * and the SSL API `mbedtls_ssl_conf_ca_cb()` which allow users to configure * the set of trusted certificates through a callback instead of a linked * list. * * This is useful for example in environments where a large number of trusted * certificates is present and storing them in a linked list isn't efficient * enough, or when the set of trusted certificates changes frequently. * * See the documentation of `mbedtls_x509_crt_verify_with_ca_cb()` and * `mbedtls_ssl_conf_ca_cb()` for more information. * * Uncomment to enable trusted certificate callbacks. */ //#define MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK /** * \def MBEDTLS_X509_CHECK_KEY_USAGE * * Enable verification of the keyUsage extension (CA and leaf certificates). * * Disabling this avoids problems with mis-issued and/or misused * (intermediate) CA and leaf certificates. * * \warning Depending on your PKI use, disabling this can be a security risk! * * Comment to skip keyUsage checking for both CA and leaf certificates. */ #define MBEDTLS_X509_CHECK_KEY_USAGE /** * \def MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE * * Enable verification of the extendedKeyUsage extension (leaf certificates). * * Disabling this avoids problems with mis-issued and/or misused certificates. * * \warning Depending on your PKI use, disabling this can be a security risk! * * Comment to skip extendedKeyUsage checking for certificates. */ #define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE /** * \def MBEDTLS_X509_RSASSA_PSS_SUPPORT * * Enable parsing and verification of X.509 certificates, CRLs and CSRS * signed with RSASSA-PSS (aka PKCS#1 v2.1). * * Comment this macro to disallow using RSASSA-PSS in certificates. */ #define MBEDTLS_X509_RSASSA_PSS_SUPPORT /** * \def MBEDTLS_ZLIB_SUPPORT * * If set, the SSL/TLS module uses ZLIB to support compression and * decompression of packet data. * * \warning TLS-level compression MAY REDUCE SECURITY! See for example the * CRIME attack. Before enabling this option, you should examine with care if * CRIME or similar exploits may be applicable to your use case. * * \note Currently compression can't be used with DTLS. * * \deprecated This feature is deprecated and will be removed * in the next major revision of the library. * * Used in: library/ssl_tls.c * library/ssl_cli.c * library/ssl_srv.c * * This feature requires zlib library and headers to be present. * * Uncomment to enable use of ZLIB */ //#define MBEDTLS_ZLIB_SUPPORT /* \} name SECTION: mbed TLS feature support */ /** * \name SECTION: mbed TLS modules * * This section enables or disables entire modules in mbed TLS * \{ */ /** * \def MBEDTLS_AESNI_C * * Enable AES-NI support on x86-64. * * Module: library/aesni.c * Caller: library/aes.c * * Requires: MBEDTLS_HAVE_ASM * * This modules adds support for the AES-NI instructions on x86-64 */ #define MBEDTLS_AESNI_C /** * \def MBEDTLS_AES_C * * Enable the AES block cipher. * * Module: library/aes.c * Caller: library/cipher.c * library/pem.c * library/ctr_drbg.c * * This module enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA * MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384 * MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA * MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256 * MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA * * PEM_PARSE uses AES for decrypting encrypted keys. */ #define MBEDTLS_AES_C /** * \def MBEDTLS_ARC4_C * * Enable the ARCFOUR stream cipher. * * Module: library/arc4.c * Caller: library/cipher.c * * This module enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA * MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA * MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA * MBEDTLS_TLS_RSA_WITH_RC4_128_SHA * MBEDTLS_TLS_RSA_WITH_RC4_128_MD5 * MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA * MBEDTLS_TLS_PSK_WITH_RC4_128_SHA * * \warning ARC4 is considered a weak cipher and its use constitutes a * security risk. If possible, we recommend avoidng dependencies on * it, and considering stronger ciphers instead. * */ #define MBEDTLS_ARC4_C /** * \def MBEDTLS_ASN1_PARSE_C * * Enable the generic ASN1 parser. * * Module: library/asn1.c * Caller: library/x509.c * library/dhm.c * library/pkcs12.c * library/pkcs5.c * library/pkparse.c */ #define MBEDTLS_ASN1_PARSE_C /** * \def MBEDTLS_ASN1_WRITE_C * * Enable the generic ASN1 writer. * * Module: library/asn1write.c * Caller: library/ecdsa.c * library/pkwrite.c * library/x509_create.c * library/x509write_crt.c * library/x509write_csr.c */ #define MBEDTLS_ASN1_WRITE_C /** * \def MBEDTLS_BASE64_C * * Enable the Base64 module. * * Module: library/base64.c * Caller: library/pem.c * * This module is required for PEM support (required by X.509). */ #define MBEDTLS_BASE64_C /** * \def MBEDTLS_BIGNUM_C * * Enable the multi-precision integer library. * * Module: library/bignum.c * Caller: library/dhm.c * library/ecp.c * library/ecdsa.c * library/rsa.c * library/rsa_internal.c * library/ssl_tls.c * * This module is required for RSA, DHM and ECC (ECDH, ECDSA) support. */ #define MBEDTLS_BIGNUM_C /** * \def MBEDTLS_BLOWFISH_C * * Enable the Blowfish block cipher. * * Module: library/blowfish.c */ #define MBEDTLS_BLOWFISH_C /** * \def MBEDTLS_CAMELLIA_C * * Enable the Camellia block cipher. * * Module: library/camellia.c * Caller: library/cipher.c * * This module enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 * MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 */ #define MBEDTLS_CAMELLIA_C /** * \def MBEDTLS_ARIA_C * * Enable the ARIA block cipher. * * Module: library/aria.c * Caller: library/cipher.c * * This module enables the following ciphersuites (if other requisites are * enabled as well): * * MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 * MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 * MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 * MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 */ //#define MBEDTLS_ARIA_C /** * \def MBEDTLS_CCM_C * * Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher. * * Module: library/ccm.c * * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C * * This module enables the AES-CCM ciphersuites, if other requisites are * enabled as well. */ #define MBEDTLS_CCM_C /** * \def MBEDTLS_CERTS_C * * Enable the test certificates. * * Module: library/certs.c * Caller: * * This module is used for testing (ssl_client/server). */ #define MBEDTLS_CERTS_C /** * \def MBEDTLS_CHACHA20_C * * Enable the ChaCha20 stream cipher. * * Module: library/chacha20.c */ #define MBEDTLS_CHACHA20_C /** * \def MBEDTLS_CHACHAPOLY_C * * Enable the ChaCha20-Poly1305 AEAD algorithm. * * Module: library/chachapoly.c * * This module requires: MBEDTLS_CHACHA20_C, MBEDTLS_POLY1305_C */ #define MBEDTLS_CHACHAPOLY_C /** * \def MBEDTLS_CIPHER_C * * Enable the generic cipher layer. * * Module: library/cipher.c * Caller: library/ssl_tls.c * * Uncomment to enable generic cipher wrappers. */ #define MBEDTLS_CIPHER_C /** * \def MBEDTLS_CMAC_C * * Enable the CMAC (Cipher-based Message Authentication Code) mode for block * ciphers. * * \note When #MBEDTLS_CMAC_ALT is active, meaning that the underlying * implementation of the CMAC algorithm is provided by an alternate * implementation, that alternate implementation may opt to not support * AES-192 or 3DES as underlying block ciphers for the CMAC operation. * * Module: library/cmac.c * * Requires: MBEDTLS_AES_C or MBEDTLS_DES_C * */ //#define MBEDTLS_CMAC_C /** * \def MBEDTLS_CTR_DRBG_C * * Enable the CTR_DRBG AES-based random generator. * The CTR_DRBG generator uses AES-256 by default. * To use AES-128 instead, enable \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY above. * * \note To achieve a 256-bit security strength with CTR_DRBG, * you must use AES-256 *and* use sufficient entropy. * See ctr_drbg.h for more details. * * Module: library/ctr_drbg.c * Caller: * * Requires: MBEDTLS_AES_C * * This module provides the CTR_DRBG AES random number generator. */ #define MBEDTLS_CTR_DRBG_C /** * \def MBEDTLS_DEBUG_C * * Enable the debug functions. * * Module: library/debug.c * Caller: library/ssl_cli.c * library/ssl_srv.c * library/ssl_tls.c * * This module provides debugging functions. */ #define MBEDTLS_DEBUG_C /** * \def MBEDTLS_DES_C * * Enable the DES block cipher. * * Module: library/des.c * Caller: library/pem.c * library/cipher.c * * This module enables the following ciphersuites (if other requisites are * enabled as well): * MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA * MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA * * PEM_PARSE uses DES/3DES for decrypting encrypted keys. * * \warning DES is considered a weak cipher and its use constitutes a * security risk. We recommend considering stronger ciphers instead. */ #define MBEDTLS_DES_C /** * \def MBEDTLS_DHM_C * * Enable the Diffie-Hellman-Merkle module. * * Module: library/dhm.c * Caller: library/ssl_cli.c * library/ssl_srv.c * * This module is used by the following key exchanges: * DHE-RSA, DHE-PSK * * \warning Using DHE constitutes a security risk as it * is not possible to validate custom DH parameters. * If possible, it is recommended users should consider * preferring other methods of key exchange. * See dhm.h for more details. * */ #define MBEDTLS_DHM_C /** * \def MBEDTLS_ECDH_C * * Enable the elliptic curve Diffie-Hellman library. * * Module: library/ecdh.c * Caller: library/ssl_cli.c * library/ssl_srv.c * * This module is used by the following key exchanges: * ECDHE-ECDSA, ECDHE-RSA, DHE-PSK * * Requires: MBEDTLS_ECP_C */ #define MBEDTLS_ECDH_C /** * \def MBEDTLS_ECDSA_C * * Enable the elliptic curve DSA library. * * Module: library/ecdsa.c * Caller: * * This module is used by the following key exchanges: * ECDHE-ECDSA * * Requires: MBEDTLS_ECP_C, MBEDTLS_ASN1_WRITE_C, MBEDTLS_ASN1_PARSE_C, * and at least one MBEDTLS_ECP_DP_XXX_ENABLED for a * short Weierstrass curve. */ #define MBEDTLS_ECDSA_C /** * \def MBEDTLS_ECJPAKE_C * * Enable the elliptic curve J-PAKE library. * * \warning This is currently experimental. EC J-PAKE support is based on the * Thread v1.0.0 specification; incompatible changes to the specification * might still happen. For this reason, this is disabled by default. * * Module: library/ecjpake.c * Caller: * * This module is used by the following key exchanges: * ECJPAKE * * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C */ //#define MBEDTLS_ECJPAKE_C /** * \def MBEDTLS_ECP_C * * Enable the elliptic curve over GF(p) library. * * Module: library/ecp.c * Caller: library/ecdh.c * library/ecdsa.c * library/ecjpake.c * * Requires: MBEDTLS_BIGNUM_C and at least one MBEDTLS_ECP_DP_XXX_ENABLED */ #define MBEDTLS_ECP_C /** * \def MBEDTLS_ENTROPY_C * * Enable the platform-specific entropy code. * * Module: library/entropy.c * Caller: * * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C * * This module provides a generic entropy pool */ #define MBEDTLS_ENTROPY_C /** * \def MBEDTLS_ERROR_C * * Enable error code to error string conversion. * * Module: library/error.c * Caller: * * This module enables mbedtls_strerror(). */ #define MBEDTLS_ERROR_C /** * \def MBEDTLS_GCM_C * * Enable the Galois/Counter Mode (GCM). * * Module: library/gcm.c * * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C or MBEDTLS_ARIA_C * * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other * requisites are enabled as well. */ #define MBEDTLS_GCM_C /** * \def MBEDTLS_HAVEGE_C * * Enable the HAVEGE random generator. * * Warning: the HAVEGE random generator is not suitable for virtualized * environments * * Warning: the HAVEGE random generator is dependent on timing and specific * processor traits. It is therefore not advised to use HAVEGE as * your applications primary random generator or primary entropy pool * input. As a secondary input to your entropy pool, it IS able add * the (limited) extra entropy it provides. * * Module: library/havege.c * Caller: * * Requires: MBEDTLS_TIMING_C * * Uncomment to enable the HAVEGE random generator. */ //#define MBEDTLS_HAVEGE_C /** * \def MBEDTLS_HKDF_C * * Enable the HKDF algorithm (RFC 5869). * * Module: library/hkdf.c * Caller: * * Requires: MBEDTLS_MD_C * * This module adds support for the Hashed Message Authentication Code * (HMAC)-based key derivation function (HKDF). */ #define MBEDTLS_HKDF_C /** * \def MBEDTLS_HMAC_DRBG_C * * Enable the HMAC_DRBG random generator. * * Module: library/hmac_drbg.c * Caller: * * Requires: MBEDTLS_MD_C * * Uncomment to enable the HMAC_DRBG random number geerator. */ #define MBEDTLS_HMAC_DRBG_C /** * \def MBEDTLS_NIST_KW_C * * Enable the Key Wrapping mode for 128-bit block ciphers, * as defined in NIST SP 800-38F. Only KW and KWP modes * are supported. At the moment, only AES is approved by NIST. * * Module: library/nist_kw.c * * Requires: MBEDTLS_AES_C and MBEDTLS_CIPHER_C */ //#define MBEDTLS_NIST_KW_C /** * \def MBEDTLS_MD_C * * Enable the generic message digest layer. * * Module: library/md.c * Caller: * * Uncomment to enable generic message digest wrappers. */ #define MBEDTLS_MD_C /** * \def MBEDTLS_MD2_C * * Enable the MD2 hash algorithm. * * Module: library/md2.c * Caller: * * Uncomment to enable support for (rare) MD2-signed X.509 certs. * * \warning MD2 is considered a weak message digest and its use constitutes a * security risk. If possible, we recommend avoiding dependencies on * it, and considering stronger message digests instead. * */ //#define MBEDTLS_MD2_C /** * \def MBEDTLS_MD4_C * * Enable the MD4 hash algorithm. * * Module: library/md4.c * Caller: * * Uncomment to enable support for (rare) MD4-signed X.509 certs. * * \warning MD4 is considered a weak message digest and its use constitutes a * security risk. If possible, we recommend avoiding dependencies on * it, and considering stronger message digests instead. * */ //#define MBEDTLS_MD4_C /** * \def MBEDTLS_MD5_C * * Enable the MD5 hash algorithm. * * Module: library/md5.c * Caller: library/md.c * library/pem.c * library/ssl_tls.c * * This module is required for SSL/TLS up to version 1.1, and for TLS 1.2 * depending on the handshake parameters. Further, it is used for checking * MD5-signed certificates, and for PBKDF1 when decrypting PEM-encoded * encrypted keys. * * \warning MD5 is considered a weak message digest and its use constitutes a * security risk. If possible, we recommend avoiding dependencies on * it, and considering stronger message digests instead. * */ #define MBEDTLS_MD5_C /** * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C * * Enable the buffer allocator implementation that makes use of a (stack) * based buffer to 'allocate' dynamic memory. (replaces calloc() and free() * calls) * * Module: library/memory_buffer_alloc.c * * Requires: MBEDTLS_PLATFORM_C * MBEDTLS_PLATFORM_MEMORY (to use it within mbed TLS) * * Enable this module to enable the buffer memory allocator. */ //#define MBEDTLS_MEMORY_BUFFER_ALLOC_C /** * \def MBEDTLS_NET_C * * Enable the TCP and UDP over IPv6/IPv4 networking routines. * * \note This module only works on POSIX/Unix (including Linux, BSD and OS X) * and Windows. For other platforms, you'll want to disable it, and write your * own networking callbacks to be passed to \c mbedtls_ssl_set_bio(). * * \note See also our Knowledge Base article about porting to a new * environment: * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS * * Module: library/net_sockets.c * * This module provides networking routines. */ #define MBEDTLS_NET_C /** * \def MBEDTLS_OID_C * * Enable the OID database. * * Module: library/oid.c * Caller: library/asn1write.c * library/pkcs5.c * library/pkparse.c * library/pkwrite.c * library/rsa.c * library/x509.c * library/x509_create.c * library/x509_crl.c * library/x509_crt.c * library/x509_csr.c * library/x509write_crt.c * library/x509write_csr.c * * This modules translates between OIDs and internal values. */ #define MBEDTLS_OID_C /** * \def MBEDTLS_PADLOCK_C * * Enable VIA Padlock support on x86. * * Module: library/padlock.c * Caller: library/aes.c * * Requires: MBEDTLS_HAVE_ASM * * This modules adds support for the VIA PadLock on x86. */ #define MBEDTLS_PADLOCK_C /** * \def MBEDTLS_PEM_PARSE_C * * Enable PEM decoding / parsing. * * Module: library/pem.c * Caller: library/dhm.c * library/pkparse.c * library/x509_crl.c * library/x509_crt.c * library/x509_csr.c * * Requires: MBEDTLS_BASE64_C * * This modules adds support for decoding / parsing PEM files. */ #define MBEDTLS_PEM_PARSE_C /** * \def MBEDTLS_PEM_WRITE_C * * Enable PEM encoding / writing. * * Module: library/pem.c * Caller: library/pkwrite.c * library/x509write_crt.c * library/x509write_csr.c * * Requires: MBEDTLS_BASE64_C * * This modules adds support for encoding / writing PEM files. */ #define MBEDTLS_PEM_WRITE_C /** * \def MBEDTLS_PK_C * * Enable the generic public (asymetric) key layer. * * Module: library/pk.c * Caller: library/ssl_tls.c * library/ssl_cli.c * library/ssl_srv.c * * Requires: MBEDTLS_RSA_C or MBEDTLS_ECP_C * * Uncomment to enable generic public key wrappers. */ #define MBEDTLS_PK_C /** * \def MBEDTLS_PK_PARSE_C * * Enable the generic public (asymetric) key parser. * * Module: library/pkparse.c * Caller: library/x509_crt.c * library/x509_csr.c * * Requires: MBEDTLS_PK_C * * Uncomment to enable generic public key parse functions. */ #define MBEDTLS_PK_PARSE_C /** * \def MBEDTLS_PK_WRITE_C * * Enable the generic public (asymetric) key writer. * * Module: library/pkwrite.c * Caller: library/x509write.c * * Requires: MBEDTLS_PK_C * * Uncomment to enable generic public key write functions. */ #define MBEDTLS_PK_WRITE_C /** * \def MBEDTLS_PKCS5_C * * Enable PKCS#5 functions. * * Module: library/pkcs5.c * * Requires: MBEDTLS_MD_C * * This module adds support for the PKCS#5 functions. */ #define MBEDTLS_PKCS5_C /** * \def MBEDTLS_PKCS11_C * * Enable wrapper for PKCS#11 smartcard support via the pkcs11-helper library. * * \deprecated This option is deprecated and will be removed in a future * version of Mbed TLS. * * Module: library/pkcs11.c * Caller: library/pk.c * * Requires: MBEDTLS_PK_C * * This module enables SSL/TLS PKCS #11 smartcard support. * Requires the presence of the PKCS#11 helper library (libpkcs11-helper) */ //#define MBEDTLS_PKCS11_C /** * \def MBEDTLS_PKCS12_C * * Enable PKCS#12 PBE functions. * Adds algorithms for parsing PKCS#8 encrypted private keys * * Module: library/pkcs12.c * Caller: library/pkparse.c * * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_CIPHER_C, MBEDTLS_MD_C * Can use: MBEDTLS_ARC4_C * * This module enables PKCS#12 functions. */ #define MBEDTLS_PKCS12_C /** * \def MBEDTLS_PLATFORM_C * * Enable the platform abstraction layer that allows you to re-assign * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit(). * * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned * above to be specified at runtime or compile time respectively. * * \note This abstraction layer must be enabled on Windows (including MSYS2) * as other module rely on it for a fixed snprintf implementation. * * Module: library/platform.c * Caller: Most other .c files * * This module enables abstraction of common (libc) functions. */ #define MBEDTLS_PLATFORM_C /** * \def MBEDTLS_POLY1305_C * * Enable the Poly1305 MAC algorithm. * * Module: library/poly1305.c * Caller: library/chachapoly.c */ #define MBEDTLS_POLY1305_C /** * \def MBEDTLS_PSA_CRYPTO_C * * Enable the Platform Security Architecture cryptography API. * * \warning The PSA Crypto API is still beta status. While you're welcome to * experiment using it, incompatible API changes are still possible, and some * parts may not have reached the same quality as the rest of Mbed TLS yet. * * Module: library/psa_crypto.c * * Requires: either MBEDTLS_CTR_DRBG_C and MBEDTLS_ENTROPY_C, * or MBEDTLS_HMAC_DRBG_C and MBEDTLS_ENTROPY_C, * or MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG. * */ #define MBEDTLS_PSA_CRYPTO_C /** * \def MBEDTLS_PSA_CRYPTO_SE_C * * Enable secure element support in the Platform Security Architecture * cryptography API. * * \warning This feature is not yet suitable for production. It is provided * for API evaluation and testing purposes only. * * Module: library/psa_crypto_se.c * * Requires: MBEDTLS_PSA_CRYPTO_C, MBEDTLS_PSA_CRYPTO_STORAGE_C * */ //#define MBEDTLS_PSA_CRYPTO_SE_C /** * \def MBEDTLS_PSA_CRYPTO_STORAGE_C * * Enable the Platform Security Architecture persistent key storage. * * Module: library/psa_crypto_storage.c * * Requires: MBEDTLS_PSA_CRYPTO_C, * either MBEDTLS_PSA_ITS_FILE_C or a native implementation of * the PSA ITS interface */ #define MBEDTLS_PSA_CRYPTO_STORAGE_C /** * \def MBEDTLS_PSA_ITS_FILE_C * * Enable the emulation of the Platform Security Architecture * Internal Trusted Storage (PSA ITS) over files. * * Module: library/psa_its_file.c * * Requires: MBEDTLS_FS_IO */ #define MBEDTLS_PSA_ITS_FILE_C /** * \def MBEDTLS_RIPEMD160_C * * Enable the RIPEMD-160 hash algorithm. * * Module: library/ripemd160.c * Caller: library/md.c * */ #define MBEDTLS_RIPEMD160_C /** * \def MBEDTLS_RSA_C * * Enable the RSA public-key cryptosystem. * * Module: library/rsa.c * library/rsa_internal.c * Caller: library/ssl_cli.c * library/ssl_srv.c * library/ssl_tls.c * library/x509.c * * This module is used by the following key exchanges: * RSA, DHE-RSA, ECDHE-RSA, RSA-PSK * * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C */ #define MBEDTLS_RSA_C /** * \def MBEDTLS_SHA1_C * * Enable the SHA1 cryptographic hash algorithm. * * Module: library/sha1.c * Caller: library/md.c * library/ssl_cli.c * library/ssl_srv.c * library/ssl_tls.c * library/x509write_crt.c * * This module is required for SSL/TLS up to version 1.1, for TLS 1.2 * depending on the handshake parameters, and for SHA1-signed certificates. * * \warning SHA-1 is considered a weak message digest and its use constitutes * a security risk. If possible, we recommend avoiding dependencies * on it, and considering stronger message digests instead. * */ #define MBEDTLS_SHA1_C /** * \def MBEDTLS_SHA256_C * * Enable the SHA-224 and SHA-256 cryptographic hash algorithms. * * Module: library/sha256.c * Caller: library/entropy.c * library/md.c * library/ssl_cli.c * library/ssl_srv.c * library/ssl_tls.c * * This module adds support for SHA-224 and SHA-256. * This module is required for the SSL/TLS 1.2 PRF function. */ #define MBEDTLS_SHA256_C /** * \def MBEDTLS_SHA512_C * * Enable the SHA-384 and SHA-512 cryptographic hash algorithms. * * Module: library/sha512.c * Caller: library/entropy.c * library/md.c * library/ssl_cli.c * library/ssl_srv.c * * This module adds support for SHA-384 and SHA-512. */ #define MBEDTLS_SHA512_C /** * \def MBEDTLS_SSL_CACHE_C * * Enable simple SSL cache implementation. * * Module: library/ssl_cache.c * Caller: * * Requires: MBEDTLS_SSL_CACHE_C */ #define MBEDTLS_SSL_CACHE_C /** * \def MBEDTLS_SSL_COOKIE_C * * Enable basic implementation of DTLS cookies for hello verification. * * Module: library/ssl_cookie.c * Caller: */ #define MBEDTLS_SSL_COOKIE_C /** * \def MBEDTLS_SSL_TICKET_C * * Enable an implementation of TLS server-side callbacks for session tickets. * * Module: library/ssl_ticket.c * Caller: * * Requires: MBEDTLS_CIPHER_C */ #define MBEDTLS_SSL_TICKET_C /** * \def MBEDTLS_SSL_CLI_C * * Enable the SSL/TLS client code. * * Module: library/ssl_cli.c * Caller: * * Requires: MBEDTLS_SSL_TLS_C * * This module is required for SSL/TLS client support. */ #define MBEDTLS_SSL_CLI_C /** * \def MBEDTLS_SSL_SRV_C * * Enable the SSL/TLS server code. * * Module: library/ssl_srv.c * Caller: * * Requires: MBEDTLS_SSL_TLS_C * * This module is required for SSL/TLS server support. */ #define MBEDTLS_SSL_SRV_C /** * \def MBEDTLS_SSL_TLS_C * * Enable the generic SSL/TLS code. * * Module: library/ssl_tls.c * Caller: library/ssl_cli.c * library/ssl_srv.c * * Requires: MBEDTLS_CIPHER_C, MBEDTLS_MD_C * and at least one of the MBEDTLS_SSL_PROTO_XXX defines * * This module is required for SSL/TLS. */ #define MBEDTLS_SSL_TLS_C /** * \def MBEDTLS_THREADING_C * * Enable the threading abstraction layer. * By default mbed TLS assumes it is used in a non-threaded environment or that * contexts are not shared between threads. If you do intend to use contexts * between threads, you will need to enable this layer to prevent race * conditions. See also our Knowledge Base article about threading: * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading * * Module: library/threading.c * * This allows different threading implementations (self-implemented or * provided). * * You will have to enable either MBEDTLS_THREADING_ALT or * MBEDTLS_THREADING_PTHREAD. * * Enable this layer to allow use of mutexes within mbed TLS */ //#define MBEDTLS_THREADING_C /** * \def MBEDTLS_TIMING_C * * Enable the semi-portable timing interface. * * \note The provided implementation only works on POSIX/Unix (including Linux, * BSD and OS X) and Windows. On other platforms, you can either disable that * module and provide your own implementations of the callbacks needed by * \c mbedtls_ssl_set_timer_cb() for DTLS, or leave it enabled and provide * your own implementation of the whole module by setting * \c MBEDTLS_TIMING_ALT in the current file. * * \note See also our Knowledge Base article about porting to a new * environment: * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS * * Module: library/timing.c * Caller: library/havege.c * * This module is used by the HAVEGE random number generator. */ #define MBEDTLS_TIMING_C /** * \def MBEDTLS_VERSION_C * * Enable run-time version information. * * Module: library/version.c * * This module provides run-time version information. */ #define MBEDTLS_VERSION_C /** * \def MBEDTLS_X509_USE_C * * Enable X.509 core for using certificates. * * Module: library/x509.c * Caller: library/x509_crl.c * library/x509_crt.c * library/x509_csr.c * * Requires: MBEDTLS_ASN1_PARSE_C, MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, * MBEDTLS_PK_PARSE_C * * This module is required for the X.509 parsing modules. */ #define MBEDTLS_X509_USE_C /** * \def MBEDTLS_X509_CRT_PARSE_C * * Enable X.509 certificate parsing. * * Module: library/x509_crt.c * Caller: library/ssl_cli.c * library/ssl_srv.c * library/ssl_tls.c * * Requires: MBEDTLS_X509_USE_C * * This module is required for X.509 certificate parsing. */ #define MBEDTLS_X509_CRT_PARSE_C /** * \def MBEDTLS_X509_CRL_PARSE_C * * Enable X.509 CRL parsing. * * Module: library/x509_crl.c * Caller: library/x509_crt.c * * Requires: MBEDTLS_X509_USE_C * * This module is required for X.509 CRL parsing. */ #define MBEDTLS_X509_CRL_PARSE_C /** * \def MBEDTLS_X509_CSR_PARSE_C * * Enable X.509 Certificate Signing Request (CSR) parsing. * * Module: library/x509_csr.c * Caller: library/x509_crt_write.c * * Requires: MBEDTLS_X509_USE_C * * This module is used for reading X.509 certificate request. */ #define MBEDTLS_X509_CSR_PARSE_C /** * \def MBEDTLS_X509_CREATE_C * * Enable X.509 core for creating certificates. * * Module: library/x509_create.c * * Requires: MBEDTLS_BIGNUM_C, MBEDTLS_OID_C, MBEDTLS_PK_WRITE_C * * This module is the basis for creating X.509 certificates and CSRs. */ #define MBEDTLS_X509_CREATE_C /** * \def MBEDTLS_X509_CRT_WRITE_C * * Enable creating X.509 certificates. * * Module: library/x509_crt_write.c * * Requires: MBEDTLS_X509_CREATE_C * * This module is required for X.509 certificate creation. */ #define MBEDTLS_X509_CRT_WRITE_C /** * \def MBEDTLS_X509_CSR_WRITE_C * * Enable creating X.509 Certificate Signing Requests (CSR). * * Module: library/x509_csr_write.c * * Requires: MBEDTLS_X509_CREATE_C * * This module is required for X.509 certificate request writing. */ #define MBEDTLS_X509_CSR_WRITE_C /** * \def MBEDTLS_XTEA_C * * Enable the XTEA block cipher. * * Module: library/xtea.c * Caller: */ #define MBEDTLS_XTEA_C /* \} name SECTION: mbed TLS modules */ /** * \name SECTION: Module configuration options * * This section allows for the setting of module specific sizes and * configuration options. The default values are already present in the * relevant header files and should suffice for the regular use cases. * * Our advice is to enable options and change their values here * only if you have a good reason and know the consequences. * * Please check the respective header file for documentation on these * parameters (to prevent duplicate documentation). * \{ */ /* MPI / BIGNUM options */ //#define MBEDTLS_MPI_WINDOW_SIZE 6 /**< Maximum window size used. */ //#define MBEDTLS_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */ /* CTR_DRBG options */ //#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */ //#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ //#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ //#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ //#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ /* HMAC_DRBG options */ //#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */ //#define MBEDTLS_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */ //#define MBEDTLS_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */ //#define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */ /* ECP options */ //#define MBEDTLS_ECP_MAX_BITS 521 /**< Maximum bit size of groups. Normally determined automatically from the configured curves. */ //#define MBEDTLS_ECP_WINDOW_SIZE 4 /**< Maximum window size used */ //#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1 /**< Enable fixed-point speed-up */ /* Entropy options */ //#define MBEDTLS_ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */ //#define MBEDTLS_ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */ //#define MBEDTLS_ENTROPY_MIN_HARDWARE 32 /**< Default minimum number of bytes required for the hardware entropy source mbedtls_hardware_poll() before entropy is released */ /* Memory buffer allocator options */ //#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */ /* Platform options */ //#define MBEDTLS_PLATFORM_STD_MEM_HDR /**< Header to include if MBEDTLS_PLATFORM_NO_STD_FUNCTIONS is defined. Don't define if no header is needed. */ //#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ //#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */ /* Note: your snprintf must correctly zero-terminate the buffer! */ //#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS 0 /**< Default exit value to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE 1 /**< Default exit value to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_NV_SEED_READ mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ //#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE "seedfile" /**< Seed file to read/write with default implementation */ /* To Use Function Macros MBEDTLS_PLATFORM_C must be enabled */ /* MBEDTLS_PLATFORM_XXX_MACRO and MBEDTLS_PLATFORM_XXX_ALT cannot both be defined */ //#define MBEDTLS_PLATFORM_CALLOC_MACRO calloc /**< Default allocator macro to use, can be undefined */ //#define MBEDTLS_PLATFORM_FREE_MACRO free /**< Default free macro to use, can be undefined */ //#define MBEDTLS_PLATFORM_EXIT_MACRO exit /**< Default exit macro to use, can be undefined */ //#define MBEDTLS_PLATFORM_TIME_MACRO time /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ //#define MBEDTLS_PLATFORM_TIME_TYPE_MACRO time_t /**< Default time macro to use, can be undefined. MBEDTLS_HAVE_TIME must be enabled */ //#define MBEDTLS_PLATFORM_FPRINTF_MACRO fprintf /**< Default fprintf macro to use, can be undefined */ //#define MBEDTLS_PLATFORM_PRINTF_MACRO printf /**< Default printf macro to use, can be undefined */ /* Note: your snprintf must correctly zero-terminate the buffer! */ //#define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf /**< Default snprintf macro to use, can be undefined */ //#define MBEDTLS_PLATFORM_VSNPRINTF_MACRO vsnprintf /**< Default vsnprintf macro to use, can be undefined */ //#define MBEDTLS_PLATFORM_NV_SEED_READ_MACRO mbedtls_platform_std_nv_seed_read /**< Default nv_seed_read function to use, can be undefined */ //#define MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO mbedtls_platform_std_nv_seed_write /**< Default nv_seed_write function to use, can be undefined */ /** * \brief This macro is invoked by the library when an invalid parameter * is detected that is only checked with #MBEDTLS_CHECK_PARAMS * (see the documentation of that option for context). * * When you leave this undefined here, the library provides * a default definition. If the macro #MBEDTLS_CHECK_PARAMS_ASSERT * is defined, the default definition is `assert(cond)`, * otherwise the default definition calls a function * mbedtls_param_failed(). This function is declared in * `platform_util.h` for the benefit of the library, but * you need to define in your application. * * When you define this here, this replaces the default * definition in platform_util.h (which no longer declares the * function mbedtls_param_failed()) and it is your responsibility * to make sure this macro expands to something suitable (in * particular, that all the necessary declarations are visible * from within the library - you can ensure that by providing * them in this file next to the macro definition). * If you define this macro to call `assert`, also define * #MBEDTLS_CHECK_PARAMS_ASSERT so that library source files * include ``. * * Note that you may define this macro to expand to nothing, in * which case you don't have to worry about declarations or * definitions. However, you will then be notified about invalid * parameters only in non-void functions, and void function will * just silently return early on invalid parameters, which * partially negates the benefits of enabling * #MBEDTLS_CHECK_PARAMS in the first place, so is discouraged. * * \param cond The expression that should evaluate to true, but doesn't. */ //#define MBEDTLS_PARAM_FAILED( cond ) assert( cond ) /* PSA options */ /** * Use HMAC_DRBG with the specified hash algorithm for HMAC_DRBG for the * PSA crypto subsystem. * * If this option is unset: * - If CTR_DRBG is available, the PSA subsystem uses it rather than HMAC_DRBG. * - Otherwise, the PSA subsystem uses HMAC_DRBG with either * #MBEDTLS_MD_SHA512 or #MBEDTLS_MD_SHA256 based on availability and * on unspecified heuristics. */ //#define MBEDTLS_PSA_HMAC_DRBG_MD_TYPE MBEDTLS_MD_SHA256 /** \def MBEDTLS_PSA_KEY_SLOT_COUNT * Restrict the PSA library to supporting a maximum amount of simultaneously * loaded keys. A loaded key is a key stored by the PSA Crypto core as a * volatile key, or a persistent key which is loaded temporarily by the * library as part of a crypto operation in flight. * * If this option is unset, the library will fall back to a default value of * 32 keys. */ //#define MBEDTLS_PSA_KEY_SLOT_COUNT 32 /* SSL Cache options */ //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */ //#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /**< Maximum entries in cache */ /* SSL options */ /** \def MBEDTLS_SSL_MAX_CONTENT_LEN * * Maximum length (in bytes) of incoming and outgoing plaintext fragments. * * This determines the size of both the incoming and outgoing TLS I/O buffers * in such a way that both are capable of holding the specified amount of * plaintext data, regardless of the protection mechanism used. * * To configure incoming and outgoing I/O buffers separately, use * #MBEDTLS_SSL_IN_CONTENT_LEN and #MBEDTLS_SSL_OUT_CONTENT_LEN, * which overwrite the value set by this option. * * \note When using a value less than the default of 16KB on the client, it is * recommended to use the Maximum Fragment Length (MFL) extension to * inform the server about this limitation. On the server, there * is no supported, standardized way of informing the client about * restriction on the maximum size of incoming messages, and unless * the limitation has been communicated by other means, it is recommended * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN * while keeping the default value of 16KB for the incoming buffer. * * Uncomment to set the maximum plaintext size of both * incoming and outgoing I/O buffers. */ //#define MBEDTLS_SSL_MAX_CONTENT_LEN 16384 /** \def MBEDTLS_SSL_IN_CONTENT_LEN * * Maximum length (in bytes) of incoming plaintext fragments. * * This determines the size of the incoming TLS I/O buffer in such a way * that it is capable of holding the specified amount of plaintext data, * regardless of the protection mechanism used. * * If this option is undefined, it inherits its value from * #MBEDTLS_SSL_MAX_CONTENT_LEN. * * \note When using a value less than the default of 16KB on the client, it is * recommended to use the Maximum Fragment Length (MFL) extension to * inform the server about this limitation. On the server, there * is no supported, standardized way of informing the client about * restriction on the maximum size of incoming messages, and unless * the limitation has been communicated by other means, it is recommended * to only change the outgoing buffer size #MBEDTLS_SSL_OUT_CONTENT_LEN * while keeping the default value of 16KB for the incoming buffer. * * Uncomment to set the maximum plaintext size of the incoming I/O buffer * independently of the outgoing I/O buffer. */ //#define MBEDTLS_SSL_IN_CONTENT_LEN 16384 /** \def MBEDTLS_SSL_CID_IN_LEN_MAX * * The maximum length of CIDs used for incoming DTLS messages. * */ //#define MBEDTLS_SSL_CID_IN_LEN_MAX 32 /** \def MBEDTLS_SSL_CID_OUT_LEN_MAX * * The maximum length of CIDs used for outgoing DTLS messages. * */ //#define MBEDTLS_SSL_CID_OUT_LEN_MAX 32 /** \def MBEDTLS_SSL_CID_PADDING_GRANULARITY * * This option controls the use of record plaintext padding * when using the Connection ID extension in DTLS 1.2. * * The padding will always be chosen so that the length of the * padded plaintext is a multiple of the value of this option. * * Note: A value of \c 1 means that no padding will be used * for outgoing records. * * Note: On systems lacking division instructions, * a power of two should be preferred. * */ //#define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16 /** \def MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY * * This option controls the use of record plaintext padding * in TLS 1.3. * * The padding will always be chosen so that the length of the * padded plaintext is a multiple of the value of this option. * * Note: A value of \c 1 means that no padding will be used * for outgoing records. * * Note: On systems lacking division instructions, * a power of two should be preferred. */ //#define MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY 1 /** \def MBEDTLS_SSL_OUT_CONTENT_LEN * * Maximum length (in bytes) of outgoing plaintext fragments. * * This determines the size of the outgoing TLS I/O buffer in such a way * that it is capable of holding the specified amount of plaintext data, * regardless of the protection mechanism used. * * If this option undefined, it inherits its value from * #MBEDTLS_SSL_MAX_CONTENT_LEN. * * It is possible to save RAM by setting a smaller outward buffer, while keeping * the default inward 16384 byte buffer to conform to the TLS specification. * * The minimum required outward buffer size is determined by the handshake * protocol's usage. Handshaking will fail if the outward buffer is too small. * The specific size requirement depends on the configured ciphers and any * certificate data which is sent during the handshake. * * Uncomment to set the maximum plaintext size of the outgoing I/O buffer * independently of the incoming I/O buffer. */ //#define MBEDTLS_SSL_OUT_CONTENT_LEN 16384 /** \def MBEDTLS_SSL_DTLS_MAX_BUFFERING * * Maximum number of heap-allocated bytes for the purpose of * DTLS handshake message reassembly and future message buffering. * * This should be at least 9/8 * MBEDTLSSL_IN_CONTENT_LEN * to account for a reassembled handshake message of maximum size, * together with its reassembly bitmap. * * A value of 2 * MBEDTLS_SSL_IN_CONTENT_LEN (32768 by default) * should be sufficient for all practical situations as it allows * to reassembly a large handshake message (such as a certificate) * while buffering multiple smaller handshake messages. * */ //#define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768 //#define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400 /**< Lifetime of session tickets (if enabled) */ //#define MBEDTLS_PSK_MAX_LEN 32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */ //#define MBEDTLS_SSL_COOKIE_TIMEOUT 60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */ /** * Complete list of ciphersuites to use, in order of preference. * * \warning No dependency checking is done on that field! This option can only * be used to restrict the set of available ciphersuites. It is your * responsibility to make sure the needed modules are active. * * Use this to save a few hundred bytes of ROM (default ordering of all * available ciphersuites) and a few to a few hundred bytes of RAM. * * The value below is only an example, not the default. */ //#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 /* X509 options */ //#define MBEDTLS_X509_MAX_INTERMEDIATE_CA 8 /**< Maximum number of intermediate CAs in a verification chain. */ //#define MBEDTLS_X509_MAX_FILE_PATH_LEN 512 /**< Maximum length of a path/filename string in bytes including the null terminator character ('\0'). */ /** * Allow SHA-1 in the default TLS configuration for certificate signing. * Without this build-time option, SHA-1 support must be activated explicitly * through mbedtls_ssl_conf_cert_profile. Turning on this option is not * recommended because of it is possible to generate SHA-1 collisions, however * this may be safe for legacy infrastructure where additional controls apply. * * \warning SHA-1 is considered a weak message digest and its use constitutes * a security risk. If possible, we recommend avoiding dependencies * on it, and considering stronger message digests instead. * */ //#define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES /** * Allow SHA-1 in the default TLS configuration for TLS 1.2 handshake * signature and ciphersuite selection. Without this build-time option, SHA-1 * support must be activated explicitly through mbedtls_ssl_conf_sig_hashes. * The use of SHA-1 in TLS <= 1.1 and in HMAC-SHA-1 is always allowed by * default. At the time of writing, there is no practical attack on the use * of SHA-1 in handshake signatures, hence this option is turned on by default * to preserve compatibility with existing peers, but the general * warning applies nonetheless: * * \warning SHA-1 is considered a weak message digest and its use constitutes * a security risk. If possible, we recommend avoiding dependencies * on it, and considering stronger message digests instead. * */ #define MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE /** * Uncomment the macro to let mbed TLS use your alternate implementation of * mbedtls_platform_zeroize(). This replaces the default implementation in * platform_util.c. * * mbedtls_platform_zeroize() is a widely used function across the library to * zero a block of memory. The implementation is expected to be secure in the * sense that it has been written to prevent the compiler from removing calls * to mbedtls_platform_zeroize() as part of redundant code elimination * optimizations. However, it is difficult to guarantee that calls to * mbedtls_platform_zeroize() will not be optimized by the compiler as older * versions of the C language standards do not provide a secure implementation * of memset(). Therefore, MBEDTLS_PLATFORM_ZEROIZE_ALT enables users to * configure their own implementation of mbedtls_platform_zeroize(), for * example by using directives specific to their compiler, features from newer * C standards (e.g using memset_s() in C11) or calling a secure memset() from * their system (e.g explicit_bzero() in BSD). */ //#define MBEDTLS_PLATFORM_ZEROIZE_ALT /** * Uncomment the macro to let Mbed TLS use your alternate implementation of * mbedtls_platform_gmtime_r(). This replaces the default implementation in * platform_util.c. * * gmtime() is not a thread-safe function as defined in the C standard. The * library will try to use safer implementations of this function, such as * gmtime_r() when available. However, if Mbed TLS cannot identify the target * system, the implementation of mbedtls_platform_gmtime_r() will default to * using the standard gmtime(). In this case, calls from the library to * gmtime() will be guarded by the global mutex mbedtls_threading_gmtime_mutex * if MBEDTLS_THREADING_C is enabled. We recommend that calls from outside the * library are also guarded with this mutex to avoid race conditions. However, * if the macro MBEDTLS_PLATFORM_GMTIME_R_ALT is defined, Mbed TLS will * unconditionally use the implementation for mbedtls_platform_gmtime_r() * supplied at compile time. */ //#define MBEDTLS_PLATFORM_GMTIME_R_ALT /** * Enable the verified implementations of ECDH primitives from Project Everest * (currently only Curve25519). This feature changes the layout of ECDH * contexts and therefore is a compatibility break for applications that access * fields of a mbedtls_ecdh_context structure directly. See also * MBEDTLS_ECDH_LEGACY_CONTEXT in include/mbedtls/ecdh.h. */ //#define MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED /* \} name SECTION: Customisation configuration options */ /* Target and application specific configurations * * Allow user to override any previous default. * */ #if defined(MBEDTLS_USER_CONFIG_FILE) #include MBEDTLS_USER_CONFIG_FILE #endif #if defined(MBEDTLS_PSA_CRYPTO_CONFIG) #include "mbedtls/config_psa.h" #endif #include "mbedtls/check_config.h" #endif /* MBEDTLS_CONFIG_H */