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/*
* 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_ACCELERATOR_DRIVER_PRESENT)
{% with nest_indent=8 %}
{% include "OS-template-opaque.jinja" -%}
{% endwith -%}
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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 */
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