API changes for ML-KEM

- Get rid of CBB/CBS usage in public api
- Make void functions return int that can fail if malloc fails.

Along with some fallout and resulting bikeshedding in the regress tests.

ok jsing@, tb@

1 files changed, 5 insertions, 3 deletions

diff --git a/src/regress/lib/libcrypto/mlkem/mlkem_iteration_tests.c b/src/regress/lib/libcrypto/mlkem/mlkem_iteration_tests.c
index 5a61248090..a8495f55e3 100644
--- a/src/regress/lib/libcrypto/mlkem/mlkem_iteration_tests.c
+++ b/src/regress/lib/libcrypto/mlkem/mlkem_iteration_tests.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: mlkem_iteration_tests.c,v 1.2 2024/12/26 07:26:45 tb Exp $ */
+/*      $OpenBSD: mlkem_iteration_tests.c,v 1.3 2025/05/19 06:47:40 beck Exp $ */
 /*
  * Copyright (c) 2024 Google Inc.
  * Copyright (c) 2024 Bob Beck <beck@obtuse.com>
@@ -116,8 +116,10 @@ MlkemIterativeTest(struct iteration_ctx *ctx)
                 }
 
                 /* generate ek as encoded_public_key */
-                ctx->generate_key_external_entropy(ctx->encoded_public_key,
-                    ctx->priv, seed);
+                if (!ctx->generate_key_external_entropy(ctx->encoded_public_key,
+                    ctx->priv, seed)) {
+                        errx(1, "generate_key_external_entropy");
+                }
                 ctx->public_from_private(ctx->pub, ctx->priv);
 
                 /* hash in ek */