/** * \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 (C) 2006-2018, ARM Limited, All Rights Reserved * 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. * * This file is part of mbed TLS (https://tls.mbed.org) */ #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 so that they generate a warning if used. * Functions 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 these functions. * * 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. */ //#define MBEDTLS_DEPRECATED_WARNING /** * \def MBEDTLS_DEPRECATED_REMOVED * * Remove deprecated functions so that they generate an error if used. * Functions 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 these functions. * * Uncomment to get errors on using deprecated functions. */ //#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, it will: * - invoke the macro MBEDTLS_PARAM_FAILED() which by default expands to a * call to the function mbedtls_param_failed() * - immediately return (with a specific error code unless the function * returns void and can't communicate an error). * * When defining this flag, you also need to: * - either provide a definition of the function mbedtls_param_failed() in * your application (see platform_util.h for its prototype) as the library * calls that function, but does not provide a default definition for it, * - or provide a different definition of the macro MBEDTLS_PARAM_FAILED() * below if the above mechanism is not flexible enough to suit your needs. * See the documentation of this macro later in this file. * * Uncomment to enable validation of application-controlled parameters. */ //#define MBEDTLS_CHECK_PARAMS /* \} 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 is 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. * */ //#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. * * 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 uncomment 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 is * supported (your mbedtls_internal_ecp_grp_capable function returns 1 when * receives it as an argument). If the group is not supported then the original * implementation is used. The other functions and the definition of * mbedtls_ecp_group and mbedtls_ecp_point will not change, so your * implementation of mbedtls_internal_ecp_double_jac and * mbedtls_internal_ecp_grp_capable must be compatible with this definition. * * Uncomment a macro to enable alternate implementation of the corresponding * function. */ /* Required for all the functions in this section */ //#define MBEDTLS_ECP_INTERNAL_ALT /* 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! * * This module is required to support the TLS ciphersuites that use the NULL * cipher. * * Uncomment this macro to enable the NULL cipher */ //#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_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 */ #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 #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_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 Mbed TLS's 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 and MBEDTLS_ECDSA_XXX_ALT. */ //#define MBEDTLS_ECP_RESTARTABLE /** * \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 * * Comment this macro to disable deterministic ECDSA. */ #define MBEDTLS_ECDSA_DETERMINISTIC /** * \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_FILE_ID_ENCODES_OWNER * * In PSA key storage, encode the owner of the key. * * This is only meaningful when building the library as part of a * multi-client service. When you activate this option, you must provide * an implementation of the type psa_key_owner_id_t and a translation * from psa_key_file_id_t to file name in all the storage backends that * you wish to support. * * Note that this option is meant for internal use only and may be removed * without notice. */ //#define MBEDTLS_PSA_CRYPTO_KEY_FILE_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_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_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, see * #MBEDTLS_PSA_CRYPTO_C. * * Note: this option is still in progress, the full X.509 and TLS modules are * not covered yet, but parts that are not ported to PSA yet will still work * as usual, so enabling this option should not break backwards compatibility. * * \warning Support for PSA is still an experimental feature. * Any public API that depends on this option may change * at any time until this warning is removed. * * Requires: MBEDTLS_PSA_CRYPTO_C. */ //#define MBEDTLS_USE_PSA_CRYPTO /** * \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 /* \} 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 is required to support the TLS ciphersuites that use the AES * cipher. * * 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 is required to support the TLS ciphersuites that use the ARC4 * cipher. * * \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/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 */ #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 * * 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 is required to support the TLS ciphersuites that use the * Camellia cipher. */ #define MBEDTLS_CAMELLIA_C /** * \def MBEDTLS_ARIA_C * * Enable the ARIA block cipher. * * Module: library/aria.c * Caller: library/cipher.c * * This module is required to support the TLS ciphersuites that use the * ARIA cipher. */ //#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 is required to support AES-CCM ciphersuites in TLS. */ #define MBEDTLS_CCM_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 * * 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. * * 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 MBEDTLS_CTR_DRBG_USE_128_BIT_KEY below. * * 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_DES_C * * Enable the DES block cipher. * * Module: library/des.c * Caller: library/pem.c * library/cipher.c * * This module is required to support the TLS ciphersuites that use the DES * cipher. * * 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 * * 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 * * 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 */ #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) for AES. * * Module: library/gcm.c * * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C * * This module is required to support the TLS ciphersuites that use GCM. */ #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 * * 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_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 * * 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 * * 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 * * 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 * * 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 * * 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 * * 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_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. * * Module: library/psa_crypto.c * * Requires: MBEDTLS_CTR_DRBG_C, MBEDTLS_ENTROPY_C * */ #define MBEDTLS_PSA_CRYPTO_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 * * 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 * * 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 * * 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 * * This module adds support for SHA-384 and SHA-512. */ #define MBEDTLS_SHA512_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 Mbed * TLS's \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_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 windows 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 */ //#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY /**< Use 128-bit key for CTR_DRBG - may reduce security (see ctr_drbg.h) */ /* 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 */ //#define MBEDTLS_ECP_WINDOW_SIZE 6 /**< 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 */ /** * 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 /* \} 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 #include "mbedtls/check_config.h" #endif /* MBEDTLS_CONFIG_H */