diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h index e75909d775..38b7e9e23d 100644 --- a/include/mbedtls/mbedtls_config.h +++ b/include/mbedtls/mbedtls_config.h @@ -131,20 +131,6 @@ */ //#define MBEDTLS_TIMING_ALT -/** - * \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 library/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 * @@ -696,85 +682,6 @@ */ #define MBEDTLS_GENPRIME -/** - * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES - * - * Do not add default entropy sources in mbedtls_entropy_init(). - * - * 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. - */ -//#define MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER - /** * \def MBEDTLS_PKCS1_V15 * @@ -800,97 +707,6 @@ */ #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_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 \c output_size bytes - * of random data and set \c *output_length to \c 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). - * - * If you enable this option, your build environment must include a header - * file `"crypto_spe.h"` (either in the `psa` subdirectory of the Mbed TLS - * header files, or in another directory on the compiler's include search - * path). Alternatively, your platform may customize the header - * `psa/crypto_platform.h`, in which case it can skip or replace the - * inclusion of `"crypto_spe.h"`. - * - * Module: library/psa_crypto.c - * Requires: MBEDTLS_PSA_CRYPTO_C - * - */ -//#define MBEDTLS_PSA_CRYPTO_SPM - /** * \def MBEDTLS_PSA_KEY_STORE_DYNAMIC * @@ -946,39 +762,6 @@ */ //#define MBEDTLS_PSA_P256M_DRIVER_ENABLED -/** - * \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_PSA_ASSUME_EXCLUSIVE_BUFFERS - * - * Assume all buffers passed to PSA functions are owned exclusively by the - * PSA function and are not stored in shared memory. - * - * This option may be enabled if all buffers passed to any PSA function reside - * in memory that is accessible only to the PSA function during its execution. - * - * This option MUST be disabled whenever buffer arguments are in memory shared - * with an untrusted party, for example where arguments to PSA calls are passed - * across a trust boundary. - * - * \note Enabling this option reduces memory usage and code size. - * - * \note Enabling this option causes overlap of input and output buffers - * not to be supported by PSA functions. - */ -//#define MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS - /** * \def MBEDTLS_RSA_NO_CRT * @@ -2103,20 +1886,6 @@ */ #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 * @@ -2271,22 +2040,6 @@ */ #define MBEDTLS_POLY1305_C -/** - * \def MBEDTLS_PSA_CRYPTO_C - * - * Enable the Platform Security Architecture cryptography API. - * - * 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. - * Auto-enables: MBEDTLS_CIPHER_C if any unauthenticated (ie, non-AEAD) cipher - * is enabled in PSA (unless it's fully accelerated, see - * docs/driver-only-builds.md about that). - */ -#define MBEDTLS_PSA_CRYPTO_C - /** * \def MBEDTLS_PSA_CRYPTO_SE_C * @@ -2306,31 +2059,6 @@ */ //#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_PSA_STATIC_KEY_SLOTS * @@ -2879,53 +2607,6 @@ */ //#define MBEDTLS_USER_CONFIG_FILE "/dev/null" -/** - * \def MBEDTLS_PSA_CRYPTO_PLATFORM_FILE - * - * If defined, this is a header which will be included instead of - * `"psa/crypto_platform.h"`. This file should declare the same identifiers - * as the one in Mbed TLS, but with definitions adapted to the platform on - * which the library code will run. - * - * \note The required content of this header can vary from one version of - * Mbed TLS to the next. Integrators who provide an alternative file - * should review the changes in the original file whenever they - * upgrade Mbed TLS. - * - * This macro is expanded after an \#include directive. This is a popular but - * non-standard feature of the C language, so this feature is only available - * with compilers that perform macro expansion on an \#include line. - * - * The value of this symbol is typically a path in double quotes, either - * absolute or relative to a directory on the include search path. - */ -//#define MBEDTLS_PSA_CRYPTO_PLATFORM_FILE "psa/crypto_platform_alt.h" - -/** - * \def MBEDTLS_PSA_CRYPTO_STRUCT_FILE - * - * If defined, this is a header which will be included instead of - * `"psa/crypto_struct.h"`. This file should declare the same identifiers - * as the one in Mbed TLS, but with definitions adapted to the environment - * in which the library code will run. The typical use for this feature - * is to provide alternative type definitions on the client side in - * client-server integrations of PSA crypto, where operation structures - * contain handles instead of cryptographic data. - * - * \note The required content of this header can vary from one version of - * Mbed TLS to the next. Integrators who provide an alternative file - * should review the changes in the original file whenever they - * upgrade Mbed TLS. - * - * This macro is expanded after an \#include directive. This is a popular but - * non-standard feature of the C language, so this feature is only available - * with compilers that perform macro expansion on an \#include line. - * - * The value of this symbol is typically a path in double quotes, either - * absolute or relative to a directory on the include search path. - */ -//#define MBEDTLS_PSA_CRYPTO_STRUCT_FILE "psa/crypto_struct_alt.h" - /** \} name SECTION: General configuration options */ /** @@ -2955,31 +2636,6 @@ //#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 */ - -/** \def MBEDTLS_PSA_KEY_SLOT_COUNT - * - * When #MBEDTLS_PSA_KEY_STORE_DYNAMIC is disabled, - * the maximum amount of PSA keys simultaneously in memory. This counts all - * volatile keys, plus loaded persistent keys. - * - * When #MBEDTLS_PSA_KEY_STORE_DYNAMIC is enabled, - * the maximum number of loaded persistent keys. - * - * Currently, persistent keys do not need to be loaded all the time while - * a multipart operation is in progress, only while the operation is being - * set up. This may change in future versions of the library. - * - * Currently, the library traverses of the whole table on each access to a - * persistent key. Therefore large values may cause poor performance. - * - * This option has no effect when #MBEDTLS_PSA_CRYPTO_C is disabled. - */ -//#define MBEDTLS_PSA_KEY_SLOT_COUNT 32 - /** * \def MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE * diff --git a/tf-psa-crypto/include/psa/crypto_config.h b/tf-psa-crypto/include/psa/crypto_config.h index 0362924af5..577a77616c 100644 --- a/tf-psa-crypto/include/psa/crypto_config.h +++ b/tf-psa-crypto/include/psa/crypto_config.h @@ -962,4 +962,357 @@ /** \} name SECTION: Data format support */ +/** + * \name SECTION: PSA core + * + * This section sets PSA specific settings. + * \{ + */ + +/** + * \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_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_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 library/entropy_poll.h, and accept NULL as first + * argument. + * + * Uncomment to use your own hardware entropy collector. + */ +//#define MBEDTLS_ENTROPY_HARDWARE_ALT + +/** + * \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 + +/** + * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES + * + * Do not add default entropy sources in mbedtls_entropy_init(). + * + * 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_PSA_CRYPTO_C + * + * Enable the Platform Security Architecture cryptography API. + * + * 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. + * Auto-enables: MBEDTLS_CIPHER_C if any unauthenticated (ie, non-AEAD) cipher + * is enabled in PSA (unless it's fully accelerated, see + * docs/driver-only-builds.md about that). + */ +#define MBEDTLS_PSA_CRYPTO_C + +/** + * \def MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS + * + * Assume all buffers passed to PSA functions are owned exclusively by the + * PSA function and are not stored in shared memory. + * + * This option may be enabled if all buffers passed to any PSA function reside + * in memory that is accessible only to the PSA function during its execution. + * + * This option MUST be disabled whenever buffer arguments are in memory shared + * with an untrusted party, for example where arguments to PSA calls are passed + * across a trust boundary. + * + * \note Enabling this option reduces memory usage and code size. + * + * \note Enabling this option causes overlap of input and output buffers + * not to be supported by PSA functions. + */ +//#define MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS + +/** \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_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 \c output_size bytes + * of random data and set \c *output_length to \c 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 + +/* 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. + */ +//#define MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER + +/** + * \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). + * + * If you enable this option, your build environment must include a header + * file `"crypto_spe.h"` (either in the `psa` subdirectory of the Mbed TLS + * header files, or in another directory on the compiler's include search + * path). Alternatively, your platform may customize the header + * `psa/crypto_platform.h`, in which case it can skip or replace the + * inclusion of `"crypto_spe.h"`. + * + * Module: library/psa_crypto.c + * Requires: MBEDTLS_PSA_CRYPTO_C + * + */ +//#define MBEDTLS_PSA_CRYPTO_SPM + +/** + * \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_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_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 + +/* Entropy options */ +//#define MBEDTLS_ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */ +//#define MBEDTLS_ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */ +//#define MBEDTLS_ENTROPY_MIN_HARDWARE 32 /**< Default minimum number of bytes required for the hardware entropy source mbedtls_hardware_poll() before entropy is released */ + +/** + * \def MBEDTLS_PSA_CRYPTO_PLATFORM_FILE + * + * If defined, this is a header which will be included instead of + * `"psa/crypto_platform.h"`. This file should declare the same identifiers + * as the one in Mbed TLS, but with definitions adapted to the platform on + * which the library code will run. + * + * \note The required content of this header can vary from one version of + * Mbed TLS to the next. Integrators who provide an alternative file + * should review the changes in the original file whenever they + * upgrade Mbed TLS. + * + * This macro is expanded after an \#include directive. This is a popular but + * non-standard feature of the C language, so this feature is only available + * with compilers that perform macro expansion on an \#include line. + * + * The value of this symbol is typically a path in double quotes, either + * absolute or relative to a directory on the include search path. + */ +//#define MBEDTLS_PSA_CRYPTO_PLATFORM_FILE "psa/crypto_platform_alt.h" + +/** + * \def MBEDTLS_PSA_CRYPTO_STRUCT_FILE + * + * If defined, this is a header which will be included instead of + * `"psa/crypto_struct.h"`. This file should declare the same identifiers + * as the one in Mbed TLS, but with definitions adapted to the environment + * in which the library code will run. The typical use for this feature + * is to provide alternative type definitions on the client side in + * client-server integrations of PSA crypto, where operation structures + * contain handles instead of cryptographic data. + * + * \note The required content of this header can vary from one version of + * Mbed TLS to the next. Integrators who provide an alternative file + * should review the changes in the original file whenever they + * upgrade Mbed TLS. + * + * This macro is expanded after an \#include directive. This is a popular but + * non-standard feature of the C language, so this feature is only available + * with compilers that perform macro expansion on an \#include line. + * + * The value of this symbol is typically a path in double quotes, either + * absolute or relative to a directory on the include search path. + */ +//#define MBEDTLS_PSA_CRYPTO_STRUCT_FILE "psa/crypto_struct_alt.h" + +/** \def MBEDTLS_PSA_KEY_SLOT_COUNT + * + * When #MBEDTLS_PSA_KEY_STORE_DYNAMIC is disabled, + * the maximum amount of PSA keys simultaneously in memory. This counts all + * volatile keys, plus loaded persistent keys. + * + * When #MBEDTLS_PSA_KEY_STORE_DYNAMIC is enabled, + * the maximum number of loaded persistent keys. + * + * Currently, persistent keys do not need to be loaded all the time while + * a multipart operation is in progress, only while the operation is being + * set up. This may change in future versions of the library. + * + * Currently, the library traverses of the whole table on each access to a + * persistent key. Therefore large values may cause poor performance. + * + * This option has no effect when #MBEDTLS_PSA_CRYPTO_C is disabled. + */ +//#define MBEDTLS_PSA_KEY_SLOT_COUNT 32 + +/** \} name SECTION: PSA core */ + #endif /* PSA_CRYPTO_CONFIG_H */