commit 672279829a891d3a663f71b506d3cf603d51b819
author Ronald Cron <ronald.cron@arm.com> Thu Nov 26 15:16:05 2020 +0100
committer Ronald Cron <ronald.cron@arm.com> Tue Feb 02 11:29:08 2021 +0100
tree 5efa9bd31f9abcac8d3682571bce36f331e0a549
parent 7285cda3873b7cb26385d6a7f4bd9fba72f0df9f

psa: Call export software implementation as a driver

Signed-off-by: Ronald Cron <ronald.cron@arm.com>

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 2a4369a..10b55b8 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -1575,7 +1575,7 @@
     psa_key_attributes_t attributes = {
         .core = slot->attr
     };
-    status = psa_export_key_internal( &attributes,
+    status = psa_driver_wrapper_export_key( &attributes,
                  slot->key.data, slot->key.bytes,
                  data, data_size, data_length );
 
@@ -1593,8 +1593,8 @@
     size_t data_size,
     size_t *data_length )
 {
+    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
     psa_key_type_t type = attributes->core.type;
-    psa_key_lifetime_t lifetime = attributes->core.lifetime;
 
 #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
     const psa_drv_se_t *drv;
@@ -1625,16 +1625,6 @@
                         data, data_size, data_length ) );
         }
 
-        /* Need to export the public part of a private key,
-         * so conversion is needed. Try the accelerators first. */
-        psa_status_t status = psa_driver_wrapper_export_public_key(
-            attributes, key_buffer, key_buffer_size,
-            data, data_size, data_length );
-
-        if( status != PSA_ERROR_NOT_SUPPORTED ||
-            psa_key_lifetime_is_external( lifetime ) )
-            return( status );
-
         if( PSA_KEY_TYPE_IS_RSA( type ) )
         {
 #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) || \
@@ -1740,7 +1730,7 @@
     psa_key_attributes_t attributes = {
         .core = slot->attr
     };
-    status = psa_export_public_key_internal(
+    status = psa_driver_wrapper_export_public_key(
         &attributes, slot->key.data, slot->key.bytes,
         data, data_size, data_length );