| /* |
| * Functions to delegate cryptographic operations to an available |
| * and appropriate accelerator. |
| * Warning: This file is now auto-generated. |
| */ |
| /* Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| */ |
| |
| |
| /* BEGIN-common headers */ |
| #include "common.h" |
| #include "psa_crypto_aead.h" |
| #include "psa_crypto_cipher.h" |
| #include "psa_crypto_core.h" |
| #include "psa_crypto_driver_wrappers_no_static.h" |
| #include "psa_crypto_hash.h" |
| #include "psa_crypto_mac.h" |
| #include "psa_crypto_pake.h" |
| #include "psa_crypto_rsa.h" |
| |
| #include "mbedtls/platform.h" |
| /* END-common headers */ |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_C) |
| |
| /* BEGIN-driver headers */ |
| {% for driver in drivers -%} |
| /* Headers for {{driver.prefix}} {{driver.type}} driver */ |
| {% if driver['mbedtls/h_condition'] is defined -%} |
| #if {{ driver['mbedtls/h_condition'] }} |
| {% endif -%} |
| {% for header in driver.headers -%} |
| #include "{{ header }}" |
| {% endfor %} |
| {% if driver['mbedtls/h_condition'] is defined -%} |
| #endif |
| {% endif -%} |
| {% endfor %} |
| /* END-driver headers */ |
| |
| /* Auto-generated values depending on which drivers are registered. |
| * ID 0 is reserved for unallocated operations. |
| * ID 1 is reserved for the Mbed TLS software driver. */ |
| /* BEGIN-driver id definition */ |
| #define PSA_CRYPTO_MBED_TLS_DRIVER_ID (1) |
| {% for driver in drivers -%} |
| #define {{(driver.prefix + "_" + driver.type + "_driver_id").upper()}} ({{ loop.index + 1 }}) |
| {% endfor %} |
| /* END-driver id */ |
| |
| /* BEGIN-Common Macro definitions */ |
| {% macro entry_point_name(capability, entry_point, driver) -%} |
| {% if capability.name is defined and entry_point in capability.names.keys() -%} |
| {{ capability.names[entry_point]}} |
| {% else -%} |
| {{driver.prefix}}_{{driver.type}}_{{entry_point}} |
| {% endif -%} |
| {% endmacro %} |
| /* END-Common Macro definitions */ |
| |
| /* Support the 'old' SE interface when asked to */ |
| #if defined(MBEDTLS_PSA_CRYPTO_SE_C) |
| /* PSA_CRYPTO_DRIVER_PRESENT is defined when either a new-style or old-style |
| * SE driver is present, to avoid unused argument errors at compile time. */ |
| #ifndef PSA_CRYPTO_DRIVER_PRESENT |
| #define PSA_CRYPTO_DRIVER_PRESENT |
| #endif |
| #include "psa_crypto_se.h" |
| #endif |
| |
| /** Get the key buffer size required to store the key material of a key |
| * associated with an opaque driver. |
| * |
| * \param[in] attributes The key attributes. |
| * \param[out] key_buffer_size Minimum buffer size to contain the key material |
| * |
| * \retval #PSA_SUCCESS |
| * The minimum size for a buffer to contain the key material has been |
| * returned successfully. |
| * \retval #PSA_ERROR_NOT_SUPPORTED |
| * The type and/or the size in bits of the key or the combination of |
| * the two is not supported. |
| * \retval #PSA_ERROR_INVALID_ARGUMENT |
| * The key is declared with a lifetime not known to us. |
| */ |
| psa_status_t psa_driver_wrapper_get_key_buffer_size( |
| const psa_key_attributes_t *attributes, |
| size_t *key_buffer_size ) |
| { |
| psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( psa_get_key_lifetime(attributes) ); |
| psa_key_type_t key_type = psa_get_key_type(attributes); |
| size_t key_bits = psa_get_key_bits(attributes); |
| |
| *key_buffer_size = 0; |
| switch( location ) |
| { |
| #if defined(PSA_CRYPTO_DRIVER_TEST) |
| case PSA_CRYPTO_TEST_DRIVER_LOCATION: |
| #if defined(MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS) |
| /* Emulate property 'builtin_key_size' */ |
| if( psa_key_id_is_builtin( |
| MBEDTLS_SVC_KEY_ID_GET_KEY_ID( |
| psa_get_key_id( attributes ) ) ) ) |
| { |
| *key_buffer_size = sizeof( psa_drv_slot_number_t ); |
| return( PSA_SUCCESS ); |
| } |
| #endif /* MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS */ |
| *key_buffer_size = mbedtls_test_opaque_size_function( key_type, |
| key_bits ); |
| return( ( *key_buffer_size != 0 ) ? |
| PSA_SUCCESS : PSA_ERROR_NOT_SUPPORTED ); |
| #endif /* PSA_CRYPTO_DRIVER_TEST */ |
| |
| default: |
| (void)key_type; |
| (void)key_bits; |
| return( PSA_ERROR_INVALID_ARGUMENT ); |
| } |
| } |
| |
| psa_status_t psa_driver_wrapper_export_public_key( |
| const psa_key_attributes_t *attributes, |
| const uint8_t *key_buffer, size_t key_buffer_size, |
| uint8_t *data, size_t data_size, size_t *data_length ) |
| |
| { |
| {% with entry_point = "export_public_key" -%} |
| {% macro entry_point_param(driver) -%} |
| attributes, |
| key_buffer, |
| key_buffer_size, |
| data, |
| data_size, |
| data_length |
| {% endmacro %} |
| psa_status_t status = PSA_ERROR_INVALID_ARGUMENT; |
| psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( |
| psa_get_key_lifetime( attributes ) ); |
| |
| /* Try dynamically-registered SE interface first */ |
| #if defined(MBEDTLS_PSA_CRYPTO_SE_C) |
| const psa_drv_se_t *drv; |
| psa_drv_se_context_t *drv_context; |
| |
| if( psa_get_se_driver( psa_get_key_lifetime(attributes), &drv, &drv_context ) ) |
| { |
| if( ( drv->key_management == NULL ) || |
| ( drv->key_management->p_export_public == NULL ) ) |
| { |
| return( PSA_ERROR_NOT_SUPPORTED ); |
| } |
| |
| return( drv->key_management->p_export_public( |
| drv_context, |
| *( (psa_key_slot_number_t *)key_buffer ), |
| data, data_size, data_length ) ); |
| } |
| #endif /* MBEDTLS_PSA_CRYPTO_SE_C */ |
| |
| switch( location ) |
| { |
| case PSA_KEY_LOCATION_LOCAL_STORAGE: |
| /* Key is stored in the slot in export representation, so |
| * cycle through all known transparent accelerators */ |
| #if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT) |
| {% with nest_indent=12 %} |
| {% include "OS-template-transparent.jinja" -%} |
| {% endwith -%} |
| #endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */ |
| /* Fell through, meaning no accelerator supports this operation */ |
| return( psa_export_public_key_internal( attributes, |
| key_buffer, |
| key_buffer_size, |
| data, |
| data_size, |
| data_length ) ); |
| |
| /* Add cases for opaque driver here */ |
| #if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT) |
| {% with nest_indent=8 %} |
| {% include "OS-template-opaque.jinja" -%} |
| {% endwith -%} |
| #endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */ |
| default: |
| /* Key is declared with a lifetime not known to us */ |
| return( status ); |
| } |
| {% endwith %} |
| } |
| |
| psa_status_t psa_driver_wrapper_get_builtin_key( |
| psa_drv_slot_number_t slot_number, |
| psa_key_attributes_t *attributes, |
| uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length ) |
| { |
| {% with entry_point = "get_builtin_key" -%} |
| {% macro entry_point_param(driver) -%} |
| slot_number, |
| attributes, |
| key_buffer, |
| key_buffer_size, |
| key_buffer_length |
| {% endmacro %} |
| psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( psa_get_key_lifetime(attributes) ); |
| switch( location ) |
| { |
| #if defined(PSA_CRYPTO_DRIVER_TEST) |
| {% with nest_indent=8 %} |
| {% include "OS-template-opaque.jinja" -%} |
| {% endwith -%} |
| #endif /* PSA_CRYPTO_DRIVER_TEST */ |
| default: |
| (void) slot_number; |
| (void) key_buffer; |
| (void) key_buffer_size; |
| (void) key_buffer_length; |
| return( PSA_ERROR_DOES_NOT_EXIST ); |
| } |
| {% endwith %} |
| } |
| |
| #endif /* MBEDTLS_PSA_CRYPTO_C */ |
