commit 98dd779eb5e1ad1c7a250a2f54cb7447157252a0
author Gilles Peskine <Gilles.Peskine@arm.com> Wed May 15 19:43:49 2019 +0200
committer Gilles Peskine <Gilles.Peskine@arm.com> Wed May 15 20:15:31 2019 +0200
tree 0f4f75600d616788f9b56d4b7d6fd8f75be5d1fc
parent 1fe90fab30ea2664a3e6ecaff9be2ebdb740d569

Put handle parameter last: psa_generate_derived_key

In psa_generate_derived_key, change the order of parameters to pass
the pointer where the newly created handle will be stored last.
This is consistent with most other library functions that put inputs
before outputs.

programs/psa/key_ladder_demo.c

diff --git a/programs/psa/key_ladder_demo.c b/programs/psa/key_ladder_demo.c
index 523668e..82e79a9 100644
--- a/programs/psa/key_ladder_demo.c
+++ b/programs/psa/key_ladder_demo.c
@@ -306,8 +306,8 @@
         *key_handle = 0;
         /* Use the generator obtained from the parent key to create
          * the next intermediate key. */
-        PSA_CHECK( psa_generate_derived_key( &attributes, key_handle,
-                                             &generator ) );
+        PSA_CHECK( psa_generate_derived_key( &attributes, &generator,
+                                             key_handle ) );
         PSA_CHECK( psa_generator_abort( &generator ) );
     }
 
@@ -343,8 +343,8 @@
                    WRAPPING_KEY_SALT, WRAPPING_KEY_SALT_LENGTH,
                    NULL, 0,
                    PSA_BITS_TO_BYTES( WRAPPING_KEY_BITS ) ) );
-    PSA_CHECK( psa_generate_derived_key( &attributes, wrapping_key_handle,
-                                         &generator ) );
+    PSA_CHECK( psa_generate_derived_key( &attributes, &generator,
+                                         wrapping_key_handle ) );
 
 exit:
     psa_generator_abort( &generator );