256 lines
8.1 KiB
C
256 lines
8.1 KiB
C
/*
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* Functions to delegate cryptographic operations to an available
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* and appropriate accelerator.
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* Warning: This file is now auto-generated.
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*/
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/* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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/* BEGIN-common headers */
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#include "common.h"
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#include "psa_crypto_aead.h"
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#include "psa_crypto_cipher.h"
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#include "psa_crypto_core.h"
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#include "psa_crypto_driver_wrappers_no_static.h"
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#include "psa_crypto_hash.h"
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#include "psa_crypto_mac.h"
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#include "psa_crypto_pake.h"
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#include "psa_crypto_rsa.h"
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#include "mbedtls/platform.h"
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/* END-common headers */
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#if defined(MBEDTLS_PSA_CRYPTO_C)
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/* BEGIN-driver headers */
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/* Headers for mbedtls_test opaque driver */
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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#include "test/drivers/test_driver.h"
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#endif
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/* Headers for mbedtls_test transparent driver */
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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#include "test/drivers/test_driver.h"
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#endif
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/* Headers for p256 transparent driver */
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#if defined(MBEDTLS_PSA_P256M_DRIVER_ENABLED)
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#include "../3rdparty/p256-m/p256-m_driver_entrypoints.h"
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#endif
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/* END-driver headers */
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/* Auto-generated values depending on which drivers are registered.
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* ID 0 is reserved for unallocated operations.
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* ID 1 is reserved for the Mbed TLS software driver. */
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/* BEGIN-driver id definition */
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#define PSA_CRYPTO_MBED_TLS_DRIVER_ID (1)
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#define MBEDTLS_TEST_OPAQUE_DRIVER_ID (2)
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#define MBEDTLS_TEST_TRANSPARENT_DRIVER_ID (3)
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#define P256_TRANSPARENT_DRIVER_ID (4)
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/* END-driver id */
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/* BEGIN-Common Macro definitions */
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/* END-Common Macro definitions */
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/* Support the 'old' SE interface when asked to */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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/* PSA_CRYPTO_DRIVER_PRESENT is defined when either a new-style or old-style
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* SE driver is present, to avoid unused argument errors at compile time. */
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#ifndef PSA_CRYPTO_DRIVER_PRESENT
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#define PSA_CRYPTO_DRIVER_PRESENT
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#endif
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#include "psa_crypto_se.h"
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#endif
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/** Get the key buffer size required to store the key material of a key
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* associated with an opaque driver.
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*
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* \param[in] attributes The key attributes.
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* \param[out] key_buffer_size Minimum buffer size to contain the key material
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*
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* \retval #PSA_SUCCESS
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* The minimum size for a buffer to contain the key material has been
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* returned successfully.
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* \retval #PSA_ERROR_NOT_SUPPORTED
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* The type and/or the size in bits of the key or the combination of
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* the two is not supported.
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* The key is declared with a lifetime not known to us.
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*/
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psa_status_t psa_driver_wrapper_get_key_buffer_size(
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const psa_key_attributes_t *attributes,
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size_t *key_buffer_size )
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{
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psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
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psa_key_type_t key_type = attributes->core.type;
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size_t key_bits = attributes->core.bits;
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*key_buffer_size = 0;
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switch( location )
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{
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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case PSA_CRYPTO_TEST_DRIVER_LOCATION:
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#if defined(MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS)
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/* Emulate property 'builtin_key_size' */
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if( psa_key_id_is_builtin(
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MBEDTLS_SVC_KEY_ID_GET_KEY_ID(
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psa_get_key_id( attributes ) ) ) )
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{
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*key_buffer_size = sizeof( psa_drv_slot_number_t );
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return( PSA_SUCCESS );
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}
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#endif /* MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS */
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*key_buffer_size = mbedtls_test_opaque_size_function( key_type,
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key_bits );
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return( ( *key_buffer_size != 0 ) ?
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PSA_SUCCESS : PSA_ERROR_NOT_SUPPORTED );
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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default:
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(void)key_type;
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(void)key_bits;
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return( PSA_ERROR_INVALID_ARGUMENT );
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}
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}
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psa_status_t psa_driver_wrapper_export_public_key(
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const psa_key_attributes_t *attributes,
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const uint8_t *key_buffer, size_t key_buffer_size,
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uint8_t *data, size_t data_size, size_t *data_length )
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{
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psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
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psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(
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psa_get_key_lifetime( attributes ) );
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/* Try dynamically-registered SE interface first */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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const psa_drv_se_t *drv;
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psa_drv_se_context_t *drv_context;
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if( psa_get_se_driver( attributes->core.lifetime, &drv, &drv_context ) )
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{
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if( ( drv->key_management == NULL ) ||
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( drv->key_management->p_export_public == NULL ) )
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{
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return( PSA_ERROR_NOT_SUPPORTED );
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}
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return( drv->key_management->p_export_public(
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drv_context,
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*( (psa_key_slot_number_t *)key_buffer ),
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data, data_size, data_length ) );
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}
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#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
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switch( location )
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{
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case PSA_KEY_LOCATION_LOCAL_STORAGE:
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/* Key is stored in the slot in export representation, so
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* cycle through all known transparent accelerators */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if (defined(PSA_CRYPTO_DRIVER_TEST) )
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status = mbedtls_test_transparent_export_public_key
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(attributes,
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key_buffer,
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key_buffer_size,
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data,
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data_size,
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data_length
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);
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if( status != PSA_ERROR_NOT_SUPPORTED )
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return( status );
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#endif
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#if (defined(MBEDTLS_PSA_P256M_DRIVER_ENABLED) )
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status = p256_transparent_export_public_key
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(attributes,
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key_buffer,
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key_buffer_size,
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data,
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data_size,
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data_length
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);
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if( status != PSA_ERROR_NOT_SUPPORTED )
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return( status );
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#endif
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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/* Fell through, meaning no accelerator supports this operation */
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return( psa_export_public_key_internal( attributes,
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key_buffer,
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key_buffer_size,
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data,
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data_size,
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data_length ) );
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/* Add cases for opaque driver here */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if (defined(PSA_CRYPTO_DRIVER_TEST) )
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case 0x7fffff:
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return( mbedtls_test_opaque_export_public_key
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(attributes,
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key_buffer,
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key_buffer_size,
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data,
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data_size,
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data_length
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));
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#endif
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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default:
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/* Key is declared with a lifetime not known to us */
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return( status );
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}
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}
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psa_status_t psa_driver_wrapper_get_builtin_key(
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psa_drv_slot_number_t slot_number,
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psa_key_attributes_t *attributes,
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uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length )
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{
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psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
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switch( location )
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{
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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#if (defined(PSA_CRYPTO_DRIVER_TEST) )
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case 0x7fffff:
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return( mbedtls_test_opaque_get_builtin_key
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(slot_number,
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attributes,
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key_buffer,
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key_buffer_size,
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key_buffer_length
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));
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#endif
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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default:
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(void) slot_number;
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(void) key_buffer;
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(void) key_buffer_size;
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(void) key_buffer_length;
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return( PSA_ERROR_DOES_NOT_EXIST );
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}
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}
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#endif /* MBEDTLS_PSA_CRYPTO_C */
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