psa: driver wrapper: Rename and export get_key_buffer_size
Rename and export get_key_buffer_size to be able to call
it from psa_crypto.c to compute the size of buffers to
contain keys generated by an opaque driver without
storage.
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/psa_crypto_driver_wrappers.c b/library/psa_crypto_driver_wrappers.c
index 07888f1..e0c86cf 100644
--- a/library/psa_crypto_driver_wrappers.c
+++ b/library/psa_crypto_driver_wrappers.c
@@ -238,7 +238,6 @@
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
}
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
/** Get the key buffer size for the key material of a generated key in the
* case of an opaque driver without storage.
*
@@ -254,7 +253,7 @@
* The type and/or the size in bits of the key or the combination of
* the two is not supported.
*/
-static psa_status_t get_key_buffer_size(
+psa_status_t psa_driver_wrapper_get_key_buffer_size(
const psa_key_attributes_t *attributes,
size_t *key_buffer_size )
{
@@ -301,10 +300,11 @@
#endif /* PSA_CRYPTO_DRIVER_TEST */
default:
+ (void)key_type;
+ (void)key_bits;
return( PSA_ERROR_NOT_SUPPORTED );
}
}
-#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
psa_status_t psa_driver_wrapper_generate_key( const psa_key_attributes_t *attributes,
psa_key_slot_t *slot )
@@ -350,7 +350,8 @@
}
else
{
- status = get_key_buffer_size( attributes, &export_size );
+ status = psa_driver_wrapper_get_key_buffer_size( attributes,
+ &export_size );
if( status != PSA_SUCCESS )
return( status );
}