Revert "Add missing library/psa_crypto_driver_wrappers.c"

This reverts commit c2a938711085813eae11d99550b280c416a8242e

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/psa_crypto_driver_wrappers.c b/library/psa_crypto_driver_wrappers.c
deleted file mode 100644
index a5ae6a2..0000000
--- a/library/psa_crypto_driver_wrappers.c
+++ /dev/null
@@ -1,2471 +0,0 @@
-/*
- *  Functions to delegate cryptographic operations to an available
- *  and appropriate accelerator.
- *  Warning: This file will be auto-generated in the future.
- */
-/*  Copyright The Mbed TLS Contributors
- *  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.
- */
-
-#include "common.h"
-#include "psa_crypto_aead.h"
-#include "psa_crypto_cipher.h"
-#include "psa_crypto_core.h"
-#include "psa_crypto_driver_wrappers.h"
-#include "psa_crypto_hash.h"
-#include "psa_crypto_mac.h"
-#include "psa_crypto_rsa.h"
-
-#include "mbedtls/platform.h"
-
-#if defined(MBEDTLS_PSA_CRYPTO_C)
-
-#if defined(MBEDTLS_PSA_CRYPTO_DRIVERS)
-
-/* Include test driver definition when running tests */
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-#ifndef PSA_CRYPTO_DRIVER_PRESENT
-#define PSA_CRYPTO_DRIVER_PRESENT
-#endif
-#ifndef PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT
-#define PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT
-#endif
-#include "test/drivers/test_driver.h"
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-
-/* Repeat above block for each JSON-declared driver during autogeneration */
-#endif /* MBEDTLS_PSA_CRYPTO_DRIVERS */
-
-/* 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. */
-#define PSA_CRYPTO_MBED_TLS_DRIVER_ID (1)
-
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-#define PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID (2)
-#define PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID (3)
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-
-/* 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
-
-psa_status_t psa_driver_wrapper_init( void )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-
-#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
-    status = psa_init_all_se_drivers( );
-    if( status != PSA_SUCCESS )
-        return( status );
-#endif
-
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-    status = mbedtls_test_transparent_init( );
-    if( status != PSA_SUCCESS )
-        return( status );
-
-    status = mbedtls_test_opaque_init( );
-    if( status != PSA_SUCCESS )
-        return( status );
-#endif
-
-    (void) status;
-    return( PSA_SUCCESS );
-}
-
-void psa_driver_wrapper_free( void )
-{
-#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
-    /* Unregister all secure element drivers, so that we restart from
-     * a pristine state. */
-    psa_unregister_all_se_drivers( );
-#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
-
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-    mbedtls_test_transparent_free( );
-    mbedtls_test_opaque_free( );
-#endif
-}
-
-/* Start delegation functions */
-psa_status_t psa_driver_wrapper_sign_message(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer,
-    size_t key_buffer_size,
-    psa_algorithm_t alg,
-    const uint8_t *input,
-    size_t input_length,
-    uint8_t *signature,
-    size_t signature_size,
-    size_t *signature_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_signature_sign_message(
-                        attributes,
-                        key_buffer,
-                        key_buffer_size,
-                        alg,
-                        input,
-                        input_length,
-                        signature,
-                        signature_size,
-                        signature_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-            break;
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            status = mbedtls_test_opaque_signature_sign_message(
-                        attributes,
-                        key_buffer,
-                        key_buffer_size,
-                        alg,
-                        input,
-                        input_length,
-                        signature,
-                        signature_size,
-                        signature_length );
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-            break;
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            break;
-    }
-
-    return( psa_sign_message_builtin( attributes,
-                                      key_buffer,
-                                      key_buffer_size,
-                                      alg,
-                                      input,
-                                      input_length,
-                                      signature,
-                                      signature_size,
-                                      signature_length ) );
-}
-
-psa_status_t psa_driver_wrapper_verify_message(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer,
-    size_t key_buffer_size,
-    psa_algorithm_t alg,
-    const uint8_t *input,
-    size_t input_length,
-    const uint8_t *signature,
-    size_t signature_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_signature_verify_message(
-                        attributes,
-                        key_buffer,
-                        key_buffer_size,
-                        alg,
-                        input,
-                        input_length,
-                        signature,
-                        signature_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-            break;
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_signature_verify_message(
-                        attributes,
-                        key_buffer,
-                        key_buffer_size,
-                        alg,
-                        input,
-                        input_length,
-                        signature,
-                        signature_length ) );
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-            break;
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            break;
-    }
-
-    return( psa_verify_message_builtin( attributes,
-                                        key_buffer,
-                                        key_buffer_size,
-                                        alg,
-                                        input,
-                                        input_length,
-                                        signature,
-                                        signature_length ) );
-}
-
-psa_status_t psa_driver_wrapper_sign_hash(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg, const uint8_t *hash, size_t hash_length,
-    uint8_t *signature, size_t signature_size, size_t *signature_length )
-{
-    /* 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( attributes->core.lifetime, &drv, &drv_context ) )
-    {
-        if( drv->asymmetric == NULL ||
-            drv->asymmetric->p_sign == NULL )
-        {
-            /* Key is defined in SE, but we have no way to exercise it */
-            return( PSA_ERROR_NOT_SUPPORTED );
-        }
-        return( drv->asymmetric->p_sign(
-                    drv_context, *( (psa_key_slot_number_t *)key_buffer ),
-                    alg, hash, hash_length,
-                    signature, signature_size, signature_length ) );
-    }
-#endif /* PSA_CRYPTO_SE_C */
-
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_signature_sign_hash( attributes,
-                                                           key_buffer,
-                                                           key_buffer_size,
-                                                           alg,
-                                                           hash,
-                                                           hash_length,
-                                                           signature,
-                                                           signature_size,
-                                                           signature_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-            /* Fell through, meaning no accelerator supports this operation */
-            return( psa_sign_hash_builtin( attributes,
-                                           key_buffer,
-                                           key_buffer_size,
-                                           alg,
-                                           hash,
-                                           hash_length,
-                                           signature,
-                                           signature_size,
-                                           signature_length ) );
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_signature_sign_hash( attributes,
-                                                             key_buffer,
-                                                             key_buffer_size,
-                                                             alg,
-                                                             hash,
-                                                             hash_length,
-                                                             signature,
-                                                             signature_size,
-                                                             signature_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_verify_hash(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg, const uint8_t *hash, size_t hash_length,
-    const uint8_t *signature, size_t signature_length )
-{
-    /* 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( attributes->core.lifetime, &drv, &drv_context ) )
-    {
-        if( drv->asymmetric == NULL ||
-            drv->asymmetric->p_verify == NULL )
-        {
-            /* Key is defined in SE, but we have no way to exercise it */
-            return( PSA_ERROR_NOT_SUPPORTED );
-        }
-        return( drv->asymmetric->p_verify(
-                    drv_context, *( (psa_key_slot_number_t *)key_buffer ),
-                    alg, hash, hash_length,
-                    signature, signature_length ) );
-    }
-#endif /* PSA_CRYPTO_SE_C */
-
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_signature_verify_hash(
-                         attributes,
-                         key_buffer,
-                         key_buffer_size,
-                         alg,
-                         hash,
-                         hash_length,
-                         signature,
-                         signature_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-            return( psa_verify_hash_builtin( attributes,
-                                             key_buffer,
-                                             key_buffer_size,
-                                             alg,
-                                             hash,
-                                             hash_length,
-                                             signature,
-                                             signature_length ) );
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_signature_verify_hash( attributes,
-                                                               key_buffer,
-                                                               key_buffer_size,
-                                                               alg,
-                                                               hash,
-                                                               hash_length,
-                                                               signature,
-                                                               signature_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-/** Calculate the key buffer size required to store the key material of a key
- *  associated with an opaque driver from input key data.
- *
- * \param[in] attributes        The key attributes
- * \param[in] data              The input key data.
- * \param[in] data_length       The input data length.
- * \param[out] key_buffer_size  Minimum buffer size to contain the key material.
- *
- * \retval #PSA_SUCCESS
- * \retval #PSA_ERROR_INVALID_ARGUMENT
- * \retval #PSA_ERROR_NOT_SUPPORTED
- */
-psa_status_t psa_driver_wrapper_get_key_buffer_size_from_key_data(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *data,
-    size_t data_length,
-    size_t *key_buffer_size )
-{
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-    psa_key_type_t key_type = attributes->core.type;
-
-    *key_buffer_size = 0;
-    switch( location )
-    {
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            *key_buffer_size = mbedtls_test_opaque_size_function( key_type,
-                                     PSA_BYTES_TO_BITS( data_length ) );
-            return( ( *key_buffer_size != 0 ) ?
-                    PSA_SUCCESS : PSA_ERROR_NOT_SUPPORTED );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-
-        default:
-            (void)key_type;
-            (void)data;
-            (void)data_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-/** 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( attributes->core.lifetime );
-    psa_key_type_t key_type = attributes->core.type;
-    size_t key_bits = attributes->core.bits;
-
-    *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_generate_key(
-    const psa_key_attributes_t *attributes,
-    uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION(attributes->core.lifetime);
-
-    /* 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( attributes->core.lifetime, &drv, &drv_context ) )
-    {
-        size_t pubkey_length = 0; /* We don't support this feature yet */
-        if( drv->key_management == NULL ||
-            drv->key_management->p_generate == NULL )
-        {
-            /* Key is defined as being in SE, but we have no way to generate it */
-            return( PSA_ERROR_NOT_SUPPORTED );
-        }
-        return( drv->key_management->p_generate(
-            drv_context,
-            *( (psa_key_slot_number_t *)key_buffer ),
-            attributes, NULL, 0, &pubkey_length ) );
-    }
-#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
-
-    switch( location )
-    {
-        case PSA_KEY_LOCATION_LOCAL_STORAGE:
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-            /* Transparent drivers are limited to generating asymmetric keys */
-            if( PSA_KEY_TYPE_IS_ASYMMETRIC( attributes->core.type ) )
-            {
-            /* Cycle through all known transparent accelerators */
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-                status = mbedtls_test_transparent_generate_key(
-                    attributes, key_buffer, key_buffer_size,
-                    key_buffer_length );
-                /* Declared with fallback == true */
-                if( status != PSA_ERROR_NOT_SUPPORTED )
-                    break;
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-            }
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-            /* Software fallback */
-            status = psa_generate_key_internal(
-                attributes, key_buffer, key_buffer_size, key_buffer_length );
-            break;
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            status = mbedtls_test_opaque_generate_key(
-                attributes, key_buffer, key_buffer_size, key_buffer_length );
-            break;
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            status = PSA_ERROR_INVALID_ARGUMENT;
-            break;
-    }
-
-    return( status );
-}
-
-psa_status_t psa_driver_wrapper_import_key(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *data,
-    size_t data_length,
-    uint8_t *key_buffer,
-    size_t key_buffer_size,
-    size_t *key_buffer_length,
-    size_t *bits )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    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( attributes->core.lifetime, &drv, &drv_context ) )
-    {
-        if( drv->key_management == NULL ||
-            drv->key_management->p_import == NULL )
-            return( PSA_ERROR_NOT_SUPPORTED );
-
-        /* The driver should set the number of key bits, however in
-         * case it doesn't, we initialize bits to an invalid value. */
-        *bits = PSA_MAX_KEY_BITS + 1;
-        status = drv->key_management->p_import(
-            drv_context,
-            *( (psa_key_slot_number_t *)key_buffer ),
-            attributes, data, data_length, bits );
-
-        if( status != PSA_SUCCESS )
-            return( status );
-
-        if( (*bits) > PSA_MAX_KEY_BITS )
-            return( PSA_ERROR_NOT_SUPPORTED );
-
-        return( PSA_SUCCESS );
-    }
-#endif /* 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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_import_key(
-                         attributes,
-                         data, data_length,
-                         key_buffer, key_buffer_size,
-                         key_buffer_length, bits );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-            /* Fell through, meaning no accelerator supports this operation */
-            return( psa_import_key_into_slot( attributes,
-                                              data, data_length,
-                                              key_buffer, key_buffer_size,
-                                              key_buffer_length, bits ) );
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_import_key(
-                         attributes,
-                         data, data_length,
-                         key_buffer, key_buffer_size,
-                         key_buffer_length, bits ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            (void)status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-
-}
-
-psa_status_t psa_driver_wrapper_export_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 )
-
-{
-    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( attributes->core.lifetime, &drv, &drv_context ) )
-    {
-        if( ( drv->key_management == NULL   ) ||
-            ( drv->key_management->p_export == NULL ) )
-        {
-            return( PSA_ERROR_NOT_SUPPORTED );
-        }
-
-        return( drv->key_management->p_export(
-                     drv_context,
-                     *( (psa_key_slot_number_t *)key_buffer ),
-                     data, data_size, data_length ) );
-    }
-#endif /* PSA_CRYPTO_SE_C */
-
-    switch( location )
-    {
-        case PSA_KEY_LOCATION_LOCAL_STORAGE:
-            return( psa_export_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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_export_key( attributes,
-                                                    key_buffer,
-                                                    key_buffer_size,
-                                                    data,
-                                                    data_size,
-                                                    data_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            return( status );
-    }
-}
-
-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 )
-
-{
-    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( attributes->core.lifetime, &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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_export_public_key(
-                         attributes,
-                         key_buffer,
-                         key_buffer_size,
-                         data,
-                         data_size,
-                         data_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_export_public_key( attributes,
-                                                           key_buffer,
-                                                           key_buffer_size,
-                                                           data,
-                                                           data_size,
-                                                           data_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            return( status );
-    }
-}
-
-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 )
-{
-    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-    switch( location )
-    {
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_get_builtin_key(
-                        slot_number,
-                        attributes,
-                        key_buffer, key_buffer_size, key_buffer_length ) );
-#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 );
-    }
-}
-
-psa_status_t psa_driver_wrapper_copy_key(
-    psa_key_attributes_t *attributes,
-    const uint8_t *source_key, size_t source_key_length,
-    uint8_t *target_key_buffer, size_t target_key_buffer_size,
-    size_t *target_key_buffer_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-#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( attributes->core.lifetime, &drv, &drv_context ) )
-    {
-        /* Copying to a secure element is not implemented yet. */
-        return( PSA_ERROR_NOT_SUPPORTED );
-    }
-#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
-
-    switch( location )
-    {
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_copy_key( attributes, source_key,
-                                                  source_key_length,
-                                                  target_key_buffer,
-                                                  target_key_buffer_size,
-                                                  target_key_buffer_length) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            (void)source_key;
-            (void)source_key_length;
-            (void)target_key_buffer;
-            (void)target_key_buffer_size;
-            (void)target_key_buffer_length;
-            status = PSA_ERROR_INVALID_ARGUMENT;
-    }
-    return( status );
-}
-
-/*
- * Cipher functions
- */
-psa_status_t psa_driver_wrapper_cipher_encrypt(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer,
-    size_t key_buffer_size,
-    psa_algorithm_t alg,
-    const uint8_t *iv,
-    size_t iv_length,
-    const uint8_t *input,
-    size_t input_length,
-    uint8_t *output,
-    size_t output_size,
-    size_t *output_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_cipher_encrypt( attributes,
-                                                              key_buffer,
-                                                              key_buffer_size,
-                                                              alg,
-                                                              iv,
-                                                              iv_length,
-                                                              input,
-                                                              input_length,
-                                                              output,
-                                                              output_size,
-                                                              output_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-            return( mbedtls_psa_cipher_encrypt( attributes,
-                                                key_buffer,
-                                                key_buffer_size,
-                                                alg,
-                                                iv,
-                                                iv_length,
-                                                input,
-                                                input_length,
-                                                output,
-                                                output_size,
-                                                output_length ) );
-#else
-            return( PSA_ERROR_NOT_SUPPORTED );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_cipher_encrypt( attributes,
-                                                        key_buffer,
-                                                        key_buffer_size,
-                                                        alg,
-                                                        iv,
-                                                        iv_length,
-                                                        input,
-                                                        input_length,
-                                                        output,
-                                                        output_size,
-                                                        output_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            (void)key_buffer;
-            (void)key_buffer_size;
-            (void)alg;
-            (void)iv;
-            (void)iv_length;
-            (void)input;
-            (void)input_length;
-            (void)output;
-            (void)output_size;
-            (void)output_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_cipher_decrypt(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer,
-    size_t key_buffer_size,
-    psa_algorithm_t alg,
-    const uint8_t *input,
-    size_t input_length,
-    uint8_t *output,
-    size_t output_size,
-    size_t *output_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_cipher_decrypt( attributes,
-                                                              key_buffer,
-                                                              key_buffer_size,
-                                                              alg,
-                                                              input,
-                                                              input_length,
-                                                              output,
-                                                              output_size,
-                                                              output_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-            return( mbedtls_psa_cipher_decrypt( attributes,
-                                                key_buffer,
-                                                key_buffer_size,
-                                                alg,
-                                                input,
-                                                input_length,
-                                                output,
-                                                output_size,
-                                                output_length ) );
-#else
-            return( PSA_ERROR_NOT_SUPPORTED );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_cipher_decrypt( attributes,
-                                                        key_buffer,
-                                                        key_buffer_size,
-                                                        alg,
-                                                        input,
-                                                        input_length,
-                                                        output,
-                                                        output_size,
-                                                        output_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            (void)key_buffer;
-            (void)key_buffer_size;
-            (void)alg;
-            (void)input;
-            (void)input_length;
-            (void)output;
-            (void)output_size;
-            (void)output_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_cipher_encrypt_setup(
-    psa_cipher_operation_t *operation,
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_cipher_encrypt_setup(
-                &operation->ctx.transparent_test_driver_ctx,
-                attributes,
-                key_buffer,
-                key_buffer_size,
-                alg );
-            /* Declared with fallback == true */
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-            /* Fell through, meaning no accelerator supports this operation */
-            status = mbedtls_psa_cipher_encrypt_setup( &operation->ctx.mbedtls_ctx,
-                                                       attributes,
-                                                       key_buffer,
-                                                       key_buffer_size,
-                                                       alg );
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-            return( PSA_ERROR_NOT_SUPPORTED );
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            status = mbedtls_test_opaque_cipher_encrypt_setup(
-                &operation->ctx.opaque_test_driver_ctx,
-                attributes,
-                key_buffer, key_buffer_size,
-                alg );
-
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
-
-            return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            (void)operation;
-            (void)key_buffer;
-            (void)key_buffer_size;
-            (void)alg;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_cipher_decrypt_setup(
-    psa_cipher_operation_t *operation,
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg )
-{
-    psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_cipher_decrypt_setup(
-                &operation->ctx.transparent_test_driver_ctx,
-                attributes,
-                key_buffer,
-                key_buffer_size,
-                alg );
-            /* Declared with fallback == true */
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-            /* Fell through, meaning no accelerator supports this operation */
-            status = mbedtls_psa_cipher_decrypt_setup( &operation->ctx.mbedtls_ctx,
-                                                       attributes,
-                                                       key_buffer,
-                                                       key_buffer_size,
-                                                       alg );
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-
-            return( status );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-            return( PSA_ERROR_NOT_SUPPORTED );
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            status = mbedtls_test_opaque_cipher_decrypt_setup(
-                         &operation->ctx.opaque_test_driver_ctx,
-                         attributes,
-                         key_buffer, key_buffer_size,
-                         alg );
-
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
-
-            return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            (void)operation;
-            (void)key_buffer;
-            (void)key_buffer_size;
-            (void)alg;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_cipher_set_iv(
-    psa_cipher_operation_t *operation,
-    const uint8_t *iv,
-    size_t iv_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_cipher_set_iv( &operation->ctx.mbedtls_ctx,
-                                               iv,
-                                               iv_length ) );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_cipher_set_iv(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        iv, iv_length ) );
-
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            return( mbedtls_test_opaque_cipher_set_iv(
-                        &operation->ctx.opaque_test_driver_ctx,
-                        iv, iv_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)iv;
-    (void)iv_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_cipher_update(
-    psa_cipher_operation_t *operation,
-    const uint8_t *input,
-    size_t input_length,
-    uint8_t *output,
-    size_t output_size,
-    size_t *output_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_cipher_update( &operation->ctx.mbedtls_ctx,
-                                               input,
-                                               input_length,
-                                               output,
-                                               output_size,
-                                               output_length ) );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_cipher_update(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        input, input_length,
-                        output, output_size, output_length ) );
-
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            return( mbedtls_test_opaque_cipher_update(
-                        &operation->ctx.opaque_test_driver_ctx,
-                        input, input_length,
-                        output, output_size, output_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)input;
-    (void)input_length;
-    (void)output;
-    (void)output_size;
-    (void)output_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_cipher_finish(
-    psa_cipher_operation_t *operation,
-    uint8_t *output,
-    size_t output_size,
-    size_t *output_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_cipher_finish( &operation->ctx.mbedtls_ctx,
-                                               output,
-                                               output_size,
-                                               output_length ) );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_cipher_finish(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        output, output_size, output_length ) );
-
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            return( mbedtls_test_opaque_cipher_finish(
-                        &operation->ctx.opaque_test_driver_ctx,
-                        output, output_size, output_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)output;
-    (void)output_size;
-    (void)output_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_cipher_abort(
-    psa_cipher_operation_t *operation )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_cipher_abort( &operation->ctx.mbedtls_ctx ) );
-#endif /* MBEDTLS_PSA_BUILTIN_CIPHER */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            status = mbedtls_test_transparent_cipher_abort(
-                         &operation->ctx.transparent_test_driver_ctx );
-            mbedtls_platform_zeroize(
-                &operation->ctx.transparent_test_driver_ctx,
-                sizeof( operation->ctx.transparent_test_driver_ctx ) );
-            return( status );
-
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            status = mbedtls_test_opaque_cipher_abort(
-                         &operation->ctx.opaque_test_driver_ctx );
-            mbedtls_platform_zeroize(
-                &operation->ctx.opaque_test_driver_ctx,
-                sizeof( operation->ctx.opaque_test_driver_ctx ) );
-            return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)status;
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-/*
- * Hashing functions
- */
-psa_status_t psa_driver_wrapper_hash_compute(
-    psa_algorithm_t alg,
-    const uint8_t *input,
-    size_t input_length,
-    uint8_t *hash,
-    size_t hash_size,
-    size_t *hash_length)
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-
-    /* Try accelerators first */
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-    status = mbedtls_test_transparent_hash_compute(
-                alg, input, input_length, hash, hash_size, hash_length );
-    if( status != PSA_ERROR_NOT_SUPPORTED )
-        return( status );
-#endif
-
-    /* If software fallback is compiled in, try fallback */
-#if defined(MBEDTLS_PSA_BUILTIN_HASH)
-    status = mbedtls_psa_hash_compute( alg, input, input_length,
-                                       hash, hash_size, hash_length );
-    if( status != PSA_ERROR_NOT_SUPPORTED )
-        return( status );
-#endif
-    (void) status;
-    (void) alg;
-    (void) input;
-    (void) input_length;
-    (void) hash;
-    (void) hash_size;
-    (void) hash_length;
-
-    return( PSA_ERROR_NOT_SUPPORTED );
-}
-
-psa_status_t psa_driver_wrapper_hash_setup(
-    psa_hash_operation_t *operation,
-    psa_algorithm_t alg )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-
-    /* Try setup on accelerators first */
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-    status = mbedtls_test_transparent_hash_setup(
-                &operation->ctx.test_driver_ctx, alg );
-    if( status == PSA_SUCCESS )
-        operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-
-    if( status != PSA_ERROR_NOT_SUPPORTED )
-        return( status );
-#endif
-
-    /* If software fallback is compiled in, try fallback */
-#if defined(MBEDTLS_PSA_BUILTIN_HASH)
-    status = mbedtls_psa_hash_setup( &operation->ctx.mbedtls_ctx, alg );
-    if( status == PSA_SUCCESS )
-        operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-
-    if( status != PSA_ERROR_NOT_SUPPORTED )
-        return( status );
-#endif
-    /* Nothing left to try if we fall through here */
-    (void) status;
-    (void) operation;
-    (void) alg;
-    return( PSA_ERROR_NOT_SUPPORTED );
-}
-
-psa_status_t psa_driver_wrapper_hash_clone(
-    const psa_hash_operation_t *source_operation,
-    psa_hash_operation_t *target_operation )
-{
-    switch( source_operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_HASH)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            target_operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-            return( mbedtls_psa_hash_clone( &source_operation->ctx.mbedtls_ctx,
-                                            &target_operation->ctx.mbedtls_ctx ) );
-#endif
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            target_operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-            return( mbedtls_test_transparent_hash_clone(
-                        &source_operation->ctx.test_driver_ctx,
-                        &target_operation->ctx.test_driver_ctx ) );
-#endif
-        default:
-            (void) target_operation;
-            return( PSA_ERROR_BAD_STATE );
-    }
-}
-
-psa_status_t psa_driver_wrapper_hash_update(
-    psa_hash_operation_t *operation,
-    const uint8_t *input,
-    size_t input_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_HASH)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_hash_update( &operation->ctx.mbedtls_ctx,
-                                             input, input_length ) );
-#endif
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_hash_update(
-                        &operation->ctx.test_driver_ctx,
-                        input, input_length ) );
-#endif
-        default:
-            (void) input;
-            (void) input_length;
-            return( PSA_ERROR_BAD_STATE );
-    }
-}
-
-psa_status_t psa_driver_wrapper_hash_finish(
-    psa_hash_operation_t *operation,
-    uint8_t *hash,
-    size_t hash_size,
-    size_t *hash_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_HASH)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_hash_finish( &operation->ctx.mbedtls_ctx,
-                                             hash, hash_size, hash_length ) );
-#endif
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_hash_finish(
-                        &operation->ctx.test_driver_ctx,
-                        hash, hash_size, hash_length ) );
-#endif
-        default:
-            (void) hash;
-            (void) hash_size;
-            (void) hash_length;
-            return( PSA_ERROR_BAD_STATE );
-    }
-}
-
-psa_status_t psa_driver_wrapper_hash_abort(
-    psa_hash_operation_t *operation )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_HASH)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_hash_abort( &operation->ctx.mbedtls_ctx ) );
-#endif
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_hash_abort(
-                        &operation->ctx.test_driver_ctx ) );
-#endif
-        default:
-            return( PSA_ERROR_BAD_STATE );
-    }
-}
-
-psa_status_t psa_driver_wrapper_aead_encrypt(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg,
-    const uint8_t *nonce, size_t nonce_length,
-    const uint8_t *additional_data, size_t additional_data_length,
-    const uint8_t *plaintext, size_t plaintext_length,
-    uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_aead_encrypt(
-                         attributes, key_buffer, key_buffer_size,
-                         alg,
-                         nonce, nonce_length,
-                         additional_data, additional_data_length,
-                         plaintext, plaintext_length,
-                         ciphertext, ciphertext_size, ciphertext_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-            /* Fell through, meaning no accelerator supports this operation */
-            return( mbedtls_psa_aead_encrypt(
-                        attributes, key_buffer, key_buffer_size,
-                        alg,
-                        nonce, nonce_length,
-                        additional_data, additional_data_length,
-                        plaintext, plaintext_length,
-                        ciphertext, ciphertext_size, ciphertext_length ) );
-
-        /* Add cases for opaque driver here */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_aead_decrypt(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg,
-    const uint8_t *nonce, size_t nonce_length,
-    const uint8_t *additional_data, size_t additional_data_length,
-    const uint8_t *ciphertext, size_t ciphertext_length,
-    uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_aead_decrypt(
-                        attributes, key_buffer, key_buffer_size,
-                        alg,
-                        nonce, nonce_length,
-                        additional_data, additional_data_length,
-                        ciphertext, ciphertext_length,
-                        plaintext, plaintext_size, plaintext_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-            /* Fell through, meaning no accelerator supports this operation */
-            return( mbedtls_psa_aead_decrypt(
-                        attributes, key_buffer, key_buffer_size,
-                        alg,
-                        nonce, nonce_length,
-                        additional_data, additional_data_length,
-                        ciphertext, ciphertext_length,
-                        plaintext, plaintext_size, plaintext_length ) );
-
-        /* Add cases for opaque driver here */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_get_tag_len( psa_aead_operation_t *operation,
-                                     uint8_t *tag_len )
-{
-    if( operation == NULL || tag_len == NULL )
-        return( PSA_ERROR_INVALID_ARGUMENT );
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-    *tag_len = operation->ctx.transparent_test_driver_ctx.tag_length;
-    return ( PSA_SUCCESS );
-#endif
-#endif
-    *tag_len = operation->ctx.mbedtls_ctx.tag_length;
-    return ( PSA_SUCCESS );
-}
-
-psa_status_t psa_driver_wrapper_aead_encrypt_setup(
-   psa_aead_operation_t *operation,
-   const psa_key_attributes_t *attributes,
-   const uint8_t *key_buffer, size_t key_buffer_size,
-   psa_algorithm_t alg )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-            status = mbedtls_test_transparent_aead_encrypt_setup(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        attributes, key_buffer, key_buffer_size,
-                        alg );
-
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-            /* Fell through, meaning no accelerator supports this operation */
-            operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-            status = mbedtls_psa_aead_encrypt_setup(
-                        &operation->ctx.mbedtls_ctx, attributes,
-                        key_buffer, key_buffer_size,
-                        alg );
-
-            return( status );
-
-        /* Add cases for opaque driver here */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_aead_decrypt_setup(
-   psa_aead_operation_t *operation,
-   const psa_key_attributes_t *attributes,
-   const uint8_t *key_buffer, size_t key_buffer_size,
-   psa_algorithm_t alg )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-            status = mbedtls_test_transparent_aead_decrypt_setup(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        attributes,
-                        key_buffer, key_buffer_size,
-                        alg );
-
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-            /* Fell through, meaning no accelerator supports this operation */
-            operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-            status = mbedtls_psa_aead_decrypt_setup(
-                        &operation->ctx.mbedtls_ctx,
-                        attributes,
-                        key_buffer, key_buffer_size,
-                        alg );
-
-            return( status );
-
-        /* Add cases for opaque driver here */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_aead_set_nonce(
-   psa_aead_operation_t *operation,
-   const uint8_t *nonce,
-   size_t nonce_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_AEAD)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_aead_set_nonce( &operation->ctx.mbedtls_ctx,
-                                                nonce,
-                                                nonce_length ) );
-
-#endif /* MBEDTLS_PSA_BUILTIN_AEAD */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_aead_set_nonce(
-                         &operation->ctx.transparent_test_driver_ctx,
-                         nonce, nonce_length ) );
-
-        /* Add cases for opaque driver here */
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)nonce;
-    (void)nonce_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_aead_set_lengths(
-   psa_aead_operation_t *operation,
-   size_t ad_length,
-   size_t plaintext_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_AEAD)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_aead_set_lengths( &operation->ctx.mbedtls_ctx,
-                                                  ad_length,
-                                                  plaintext_length ) );
-
-#endif /* MBEDTLS_PSA_BUILTIN_AEAD */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_aead_set_lengths(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        ad_length, plaintext_length ) );
-
-        /* Add cases for opaque driver here */
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)ad_length;
-    (void)plaintext_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_aead_update_ad(
-   psa_aead_operation_t *operation,
-   const uint8_t *input,
-   size_t input_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_AEAD)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_aead_update_ad( &operation->ctx.mbedtls_ctx,
-                                                input,
-                                                input_length ) );
-
-#endif /* MBEDTLS_PSA_BUILTIN_AEAD */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_aead_update_ad(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        input, input_length ) );
-
-        /* Add cases for opaque driver here */
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)input;
-    (void)input_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_aead_update(
-   psa_aead_operation_t *operation,
-   const uint8_t *input,
-   size_t input_length,
-   uint8_t *output,
-   size_t output_size,
-   size_t *output_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_AEAD)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_aead_update( &operation->ctx.mbedtls_ctx,
-                                             input, input_length,
-                                             output, output_size,
-                                             output_length ) );
-
-#endif /* MBEDTLS_PSA_BUILTIN_AEAD */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_aead_update(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        input, input_length, output, output_size,
-                        output_length ) );
-
-        /* Add cases for opaque driver here */
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)input;
-    (void)input_length;
-    (void)output;
-    (void)output_size;
-    (void)output_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_aead_finish(
-   psa_aead_operation_t *operation,
-   uint8_t *ciphertext,
-   size_t ciphertext_size,
-   size_t *ciphertext_length,
-   uint8_t *tag,
-   size_t tag_size,
-   size_t *tag_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_AEAD)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_aead_finish( &operation->ctx.mbedtls_ctx,
-                                             ciphertext,
-                                             ciphertext_size,
-                                             ciphertext_length, tag,
-                                             tag_size, tag_length ) );
-
-#endif /* MBEDTLS_PSA_BUILTIN_AEAD */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_aead_finish(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        ciphertext, ciphertext_size,
-                        ciphertext_length, tag, tag_size, tag_length ) );
-
-        /* Add cases for opaque driver here */
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)ciphertext;
-    (void)ciphertext_size;
-    (void)ciphertext_length;
-    (void)tag;
-    (void)tag_size;
-    (void)tag_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_aead_verify(
-   psa_aead_operation_t *operation,
-   uint8_t *plaintext,
-   size_t plaintext_size,
-   size_t *plaintext_length,
-   const uint8_t *tag,
-   size_t tag_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_AEAD)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            {
-                psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-                uint8_t check_tag[PSA_AEAD_TAG_MAX_SIZE];
-                size_t check_tag_length;
-
-                status = mbedtls_psa_aead_finish( &operation->ctx.mbedtls_ctx,
-                                                  plaintext,
-                                                  plaintext_size,
-                                                  plaintext_length,
-                                                  check_tag,
-                                                  sizeof( check_tag ),
-                                                  &check_tag_length );
-
-                if( status == PSA_SUCCESS )
-                {
-                    if( tag_length != check_tag_length ||
-                        mbedtls_psa_safer_memcmp( tag, check_tag, tag_length )
-                        != 0 )
-                        status = PSA_ERROR_INVALID_SIGNATURE;
-                }
-
-                mbedtls_platform_zeroize( check_tag, sizeof( check_tag ) );
-
-                return( status );
-            }
-
-#endif /* MBEDTLS_PSA_BUILTIN_AEAD */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_aead_verify(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        plaintext, plaintext_size,
-                        plaintext_length, tag, tag_length ) );
-
-        /* Add cases for opaque driver here */
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    (void)plaintext;
-    (void)plaintext_size;
-    (void)plaintext_length;
-    (void)tag;
-    (void)tag_length;
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-psa_status_t psa_driver_wrapper_aead_abort(
-   psa_aead_operation_t *operation )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_AEAD)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_aead_abort( &operation->ctx.mbedtls_ctx ) );
-
-#endif /* MBEDTLS_PSA_BUILTIN_AEAD */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_aead_abort(
-               &operation->ctx.transparent_test_driver_ctx ) );
-
-        /* Add cases for opaque driver here */
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-    }
-
-    return( PSA_ERROR_INVALID_ARGUMENT );
-}
-
-/*
- * MAC functions
- */
-psa_status_t psa_driver_wrapper_mac_compute(
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer,
-    size_t key_buffer_size,
-    psa_algorithm_t alg,
-    const uint8_t *input,
-    size_t input_length,
-    uint8_t *mac,
-    size_t mac_size,
-    size_t *mac_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_mac_compute(
-                attributes, key_buffer, key_buffer_size, alg,
-                input, input_length,
-                mac, mac_size, mac_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-#if defined(MBEDTLS_PSA_BUILTIN_MAC)
-            /* Fell through, meaning no accelerator supports this operation */
-            status = mbedtls_psa_mac_compute(
-                attributes, key_buffer, key_buffer_size, alg,
-                input, input_length,
-                mac, mac_size, mac_length );
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* MBEDTLS_PSA_BUILTIN_MAC */
-            return( PSA_ERROR_NOT_SUPPORTED );
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            status = mbedtls_test_opaque_mac_compute(
-                attributes, key_buffer, key_buffer_size, alg,
-                input, input_length,
-                mac, mac_size, mac_length );
-            return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void) key_buffer;
-            (void) key_buffer_size;
-            (void) alg;
-            (void) input;
-            (void) input_length;
-            (void) mac;
-            (void) mac_size;
-            (void) mac_length;
-            (void) status;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_mac_sign_setup(
-    psa_mac_operation_t *operation,
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer,
-    size_t key_buffer_size,
-    psa_algorithm_t alg )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_mac_sign_setup(
-                &operation->ctx.transparent_test_driver_ctx,
-                attributes,
-                key_buffer, key_buffer_size,
-                alg );
-            /* Declared with fallback == true */
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-#if defined(MBEDTLS_PSA_BUILTIN_MAC)
-            /* Fell through, meaning no accelerator supports this operation */
-            status = mbedtls_psa_mac_sign_setup( &operation->ctx.mbedtls_ctx,
-                                                 attributes,
-                                                 key_buffer, key_buffer_size,
-                                                 alg );
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* MBEDTLS_PSA_BUILTIN_MAC */
-            return( PSA_ERROR_NOT_SUPPORTED );
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            status = mbedtls_test_opaque_mac_sign_setup(
-                &operation->ctx.opaque_test_driver_ctx,
-                attributes,
-                key_buffer, key_buffer_size,
-                alg );
-
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
-
-            return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void) status;
-            (void) operation;
-            (void) key_buffer;
-            (void) key_buffer_size;
-            (void) alg;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_mac_verify_setup(
-    psa_mac_operation_t *operation,
-    const psa_key_attributes_t *attributes,
-    const uint8_t *key_buffer,
-    size_t key_buffer_size,
-    psa_algorithm_t alg )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_mac_verify_setup(
-                &operation->ctx.transparent_test_driver_ctx,
-                attributes,
-                key_buffer, key_buffer_size,
-                alg );
-            /* Declared with fallback == true */
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
-
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-#if defined(MBEDTLS_PSA_BUILTIN_MAC)
-            /* Fell through, meaning no accelerator supports this operation */
-            status = mbedtls_psa_mac_verify_setup( &operation->ctx.mbedtls_ctx,
-                                                   attributes,
-                                                   key_buffer, key_buffer_size,
-                                                   alg );
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
-
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* MBEDTLS_PSA_BUILTIN_MAC */
-            return( PSA_ERROR_NOT_SUPPORTED );
-
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            status = mbedtls_test_opaque_mac_verify_setup(
-                &operation->ctx.opaque_test_driver_ctx,
-                attributes,
-                key_buffer, key_buffer_size,
-                alg );
-
-            if( status == PSA_SUCCESS )
-                operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
-
-            return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void) status;
-            (void) operation;
-            (void) key_buffer;
-            (void) key_buffer_size;
-            (void) alg;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_mac_update(
-    psa_mac_operation_t *operation,
-    const uint8_t *input,
-    size_t input_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_MAC)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_mac_update( &operation->ctx.mbedtls_ctx,
-                                            input, input_length ) );
-#endif /* MBEDTLS_PSA_BUILTIN_MAC */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_mac_update(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        input, input_length ) );
-
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            return( mbedtls_test_opaque_mac_update(
-                        &operation->ctx.opaque_test_driver_ctx,
-                        input, input_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            (void) input;
-            (void) input_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_mac_sign_finish(
-    psa_mac_operation_t *operation,
-    uint8_t *mac,
-    size_t mac_size,
-    size_t *mac_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_MAC)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_mac_sign_finish( &operation->ctx.mbedtls_ctx,
-                                                 mac, mac_size, mac_length ) );
-#endif /* MBEDTLS_PSA_BUILTIN_MAC */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_mac_sign_finish(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        mac, mac_size, mac_length ) );
-
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            return( mbedtls_test_opaque_mac_sign_finish(
-                        &operation->ctx.opaque_test_driver_ctx,
-                        mac, mac_size, mac_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            (void) mac;
-            (void) mac_size;
-            (void) mac_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_mac_verify_finish(
-    psa_mac_operation_t *operation,
-    const uint8_t *mac,
-    size_t mac_length )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_MAC)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_mac_verify_finish( &operation->ctx.mbedtls_ctx,
-                                                   mac, mac_length ) );
-#endif /* MBEDTLS_PSA_BUILTIN_MAC */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_mac_verify_finish(
-                        &operation->ctx.transparent_test_driver_ctx,
-                        mac, mac_length ) );
-
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            return( mbedtls_test_opaque_mac_verify_finish(
-                        &operation->ctx.opaque_test_driver_ctx,
-                        mac, mac_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            (void) mac;
-            (void) mac_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_mac_abort(
-    psa_mac_operation_t *operation )
-{
-    switch( operation->id )
-    {
-#if defined(MBEDTLS_PSA_BUILTIN_MAC)
-        case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
-            return( mbedtls_psa_mac_abort( &operation->ctx.mbedtls_ctx ) );
-#endif /* MBEDTLS_PSA_BUILTIN_MAC */
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
-            return( mbedtls_test_transparent_mac_abort(
-                        &operation->ctx.transparent_test_driver_ctx ) );
-        case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
-            return( mbedtls_test_opaque_mac_abort(
-                        &operation->ctx.opaque_test_driver_ctx ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-        default:
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-/*
- * Asymmetric cryptography
- */
-psa_status_t psa_driver_wrapper_asymmetric_encrypt(
-    const psa_key_attributes_t *attributes, const uint8_t *key_buffer,
-    size_t key_buffer_size, psa_algorithm_t alg, const uint8_t *input,
-    size_t input_length, const uint8_t *salt, size_t salt_length,
-    uint8_t *output, size_t output_size, size_t *output_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_asymmetric_encrypt( attributes,
-                        key_buffer, key_buffer_size, alg, input, input_length,
-                        salt, salt_length, output, output_size,
-                        output_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-            return( mbedtls_psa_asymmetric_encrypt( attributes,
-                        key_buffer, key_buffer_size, alg, input, input_length,
-                        salt, salt_length, output, output_size, output_length )
-                  );
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_asymmetric_encrypt( attributes,
-                        key_buffer, key_buffer_size, alg, input, input_length,
-                        salt, salt_length, output, output_size, output_length )
-                  );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            (void)key_buffer;
-            (void)key_buffer_size;
-            (void)alg;
-            (void)input;
-            (void)input_length;
-            (void)salt;
-            (void)salt_length;
-            (void)output;
-            (void)output_size;
-            (void)output_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-psa_status_t psa_driver_wrapper_asymmetric_decrypt(
-    const psa_key_attributes_t *attributes, const uint8_t *key_buffer,
-    size_t key_buffer_size, psa_algorithm_t alg, const uint8_t *input,
-    size_t input_length, const uint8_t *salt, size_t salt_length,
-    uint8_t *output, size_t output_size, size_t *output_length )
-{
-    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    psa_key_location_t location =
-        PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
-
-    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)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-            status = mbedtls_test_transparent_asymmetric_decrypt( attributes,
-                        key_buffer, key_buffer_size, alg, input, input_length,
-                        salt, salt_length, output, output_size,
-                        output_length );
-            /* Declared with fallback == true */
-            if( status != PSA_ERROR_NOT_SUPPORTED )
-                return( status );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-            return( mbedtls_psa_asymmetric_decrypt( attributes,
-                        key_buffer, key_buffer_size, alg,input, input_length,
-                        salt, salt_length, output, output_size,
-                        output_length ) );
-        /* Add cases for opaque driver here */
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-        case PSA_CRYPTO_TEST_DRIVER_LOCATION:
-            return( mbedtls_test_opaque_asymmetric_decrypt( attributes,
-                        key_buffer, key_buffer_size, alg, input, input_length,
-                        salt, salt_length, output, output_size,
-                        output_length ) );
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
-
-        default:
-            /* Key is declared with a lifetime not known to us */
-            (void)status;
-            (void)key_buffer;
-            (void)key_buffer_size;
-            (void)alg;
-            (void)input;
-            (void)input_length;
-            (void)salt;
-            (void)salt_length;
-            (void)output;
-            (void)output_size;
-            (void)output_length;
-            return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-}
-
-#endif /* MBEDTLS_PSA_CRYPTO_C */