Make MLKEM1024_marshal_private_key consistent with the public_key funcitons

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

ok kenjiro@, tb@

1 files changed, 3 insertions, 18 deletions

diff --git a/src/regress/lib/libcrypto/mlkem/mlkem_tests_util.c b/src/regress/lib/libcrypto/mlkem/mlkem_tests_util.c
index 5ec8c08585..68bd5d4871 100644
--- a/src/regress/lib/libcrypto/mlkem/mlkem_tests_util.c
+++ b/src/regress/lib/libcrypto/mlkem/mlkem_tests_util.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: mlkem_tests_util.c,v 1.7 2025/05/19 07:53:00 beck Exp $ */
+/*      $OpenBSD: mlkem_tests_util.c,v 1.8 2025/05/20 00:33:41 beck Exp $ */
 /*
  * Copyright (c) 2024 Google Inc.
  * Copyright (c) 2024 Bob Beck <beck@obtuse.com>
@@ -75,25 +75,10 @@ mlkem768_marshal_public_key(const void *public_key, uint8_t **out_buf,
 }
 
 int
-mlkem1024_encode_private_key(const void *private_key, uint8_t **out_buf,
+mlkem1024_marshal_private_key(const void *private_key, uint8_t **out_buf,
     size_t *out_len)
 {
-        CBB cbb;
-        int ret = 0;
-
-        if (!CBB_init(&cbb, MLKEM1024_PUBLIC_KEY_BYTES))
-                goto err;
-        if (!MLKEM1024_marshal_private_key(&cbb, private_key))
-                goto err;
-        if (!CBB_finish(&cbb, out_buf, out_len))
-                goto err;
-
-        ret = 1;
-
- err:
-        CBB_cleanup(&cbb);
-
-        return ret;
+        return MLKEM1024_marshal_private_key(private_key, out_buf, out_len);
 }
 
 int