diff --git a/include/psa/crypto_se_driver.h b/include/psa/crypto_se_driver.h
index a43e0db..7ac1ed1 100644
--- a/include/psa/crypto_se_driver.h
+++ b/include/psa/crypto_se_driver.h
@@ -927,7 +927,14 @@
  * sake of initial device provisioning or onboarding. Such a mechanism may
  * be added to a future version of the PSA Cryptography API specification.
  *
+ * This function may update the driver's persistent data through
+ * \p persistent_data. The core will save the updated persistent data at the
+ * end of the key creation process. See the description of
+ * ::psa_drv_se_allocate_key_t for more information.
+ *
  * \param[in,out] drv_context   The driver context structure.
+ * \param[in,out] persistent_data   A pointer to the persistent data
+ *                                  that allows writing.
  * \param[in] attributes        Attributes of the key.
  * \param method                The way in which the key is being created.
  * \param[in] key_slot          Slot where the key is to be stored.
@@ -946,6 +953,7 @@
  */
 typedef psa_status_t (*psa_drv_se_validate_slot_number_t)(
     psa_drv_se_context_t *drv_context,
+    void *persistent_data,
     const psa_key_attributes_t *attributes,
     psa_key_creation_method_t method,
     psa_key_slot_number_t key_slot);
diff --git a/library/psa_crypto_se.c b/library/psa_crypto_se.c
index 2cda4cc..81b3103 100644
--- a/library/psa_crypto_se.c
+++ b/library/psa_crypto_se.c
@@ -222,6 +222,7 @@
         if( p_validate_slot_number == NULL )
             return( PSA_ERROR_NOT_SUPPORTED );
         status = p_validate_slot_number( &driver->context,
+                                         driver->internal.persistent_data,
                                          attributes, method,
                                          *slot_number );
     }
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal.function b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
index fc6f668..539c563 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
@@ -90,11 +90,13 @@
 /* Validate a choice of slot number as directed. */
 static psa_status_t validate_slot_number_as_directed(
     psa_drv_se_context_t *context,
+    void *persistent_data,
     const psa_key_attributes_t *attributes,
     psa_key_creation_method_t method,
     psa_key_slot_number_t slot_number )
 {
     (void) context;
+    (void) persistent_data;
     (void) attributes;
     DRIVER_ASSERT_RETURN( slot_number ==
                           validate_slot_number_directions.slot_number );
@@ -367,11 +369,13 @@
 
 static psa_status_t ram_validate_slot_number(
     psa_drv_se_context_t *context,
+    void *persistent_data,
     const psa_key_attributes_t *attributes,
     psa_key_creation_method_t method,
     psa_key_slot_number_t slot_number )
 {
     (void) context;
+    (void) persistent_data;
     (void) attributes;
     (void) method;
     if( slot_number >= ARRAY_LENGTH( ram_slots ) )