Fix buffer size in MLKEM1024_marshal_public_key()

Initialize the output buffer with MLKEM1024_PUBLIC_KEY_BYTES
instead of MLKEM768_PUBLIC_KEY_BYTES.

ok tb@

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/mlkem/mlkem1024.c b/src/lib/libcrypto/mlkem/mlkem1024.c
index 59ebaaa3cb..26c4716539 100644
--- a/src/lib/libcrypto/mlkem/mlkem1024.c
+++ b/src/lib/libcrypto/mlkem/mlkem1024.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mlkem1024.c,v 1.10 2025/05/20 00:33:40 beck Exp $ */
+/* $OpenBSD: mlkem1024.c,v 1.11 2025/05/21 02:18:11 kenjiro Exp $ */
 /*
  * Copyright (c) 2024, Google Inc.
  * Copyright (c) 2024, Bob Beck <beck@obtuse.com>
@@ -1068,7 +1068,7 @@ MLKEM1024_marshal_public_key(uint8_t **output, size_t *output_len,
         int ret = 0;
         CBB cbb;
 
-        if (!CBB_init(&cbb, MLKEM768_PUBLIC_KEY_BYTES))
+        if (!CBB_init(&cbb, MLKEM1024_PUBLIC_KEY_BYTES))
                 goto err;
         if (!mlkem_marshal_public_key(&cbb,
             public_key_1024_from_external(public_key)))