diff --git a/library/psa_crypto_driver_wrappers.c b/library/psa_crypto_driver_wrappers.c
new file mode 100644
index 0000000..a5ae6a2
--- /dev/null
+++ b/library/psa_crypto_driver_wrappers.c
@@ -0,0 +1,2471 @@
+/*
+ *  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 */