Compute a square using BN_mod_sqr() instead of BN_mod_mul()

ok jsing

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bn/bn_blind.c b/src/lib/libcrypto/bn/bn_blind.c
index e13c36c5f1..1cf2a4b1f4 100644
--- a/src/lib/libcrypto/bn/bn_blind.c
+++ b/src/lib/libcrypto/bn/bn_blind.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_blind.c,v 1.38 2023/08/09 08:29:23 tb Exp $ */
+/* $OpenBSD: bn_blind.c,v 1.39 2023/08/09 08:31:13 tb Exp $ */
 /* ====================================================================
  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  *
@@ -228,9 +228,9 @@ BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx)
                 if (!BN_BLINDING_setup(b, ctx))
                         goto err;
         } else {
-                if (!BN_mod_mul(b->A, b->A, b->A, b->mod, ctx))
+                if (!BN_mod_sqr(b->A, b->A, b->mod, ctx))
                         goto err;
-                if (!BN_mod_mul(b->Ai, b->Ai, b->Ai, b->mod, ctx))
+                if (!BN_mod_sqr(b->Ai, b->Ai, b->mod, ctx))
                         goto err;
         }