Fix up MLKEM768_marshal_private_key to not use a passed in CBB

Even though this should remain internal, make it the same
as the public key marshal function, and make the needed
fallout changes in regress.

This does not yet do the bikeshed of renaming the structure
field in the regress ctx, that will wait until a follow on
to convert 1024 in a similar manner

ok tb@

1 files changed, 2 insertions, 2 deletions

diff --git a/src/regress/lib/libcrypto/mlkem/mlkem_tests.c b/src/regress/lib/libcrypto/mlkem/mlkem_tests.c
index a4e7208c76..84b71aebb0 100644
--- a/src/regress/lib/libcrypto/mlkem/mlkem_tests.c
+++ b/src/regress/lib/libcrypto/mlkem/mlkem_tests.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: mlkem_tests.c,v 1.4 2025/05/19 06:47:40 beck Exp $ */
+/*      $OpenBSD: mlkem_tests.c,v 1.5 2025/05/19 07:53:00 beck Exp $ */
 /*
  * Copyright (c) 2024 Google Inc.
  * Copyright (c) 2024 Theo Buehler <tb@openbsd.org>
@@ -662,7 +662,7 @@ mlkem_keygen_tests(const char *fn, size_t size, enum test_type test_type)
                 .generate_key_external_entropy =
                     mlkem768_generate_key_external_entropy,
                 .encode_private_key =
-                    mlkem768_encode_private_key,
+                    mlkem768_marshal_private_key,
         };
         struct MLKEM1024_private_key private_key1024;
         uint8_t encoded_public_key1024[MLKEM1024_PUBLIC_KEY_BYTES];