1 files changed, 19 insertions, 1 deletions

diff --git a/src/lib/libcrypto/bn/bn_mont.c b/src/lib/libcrypto/bn/bn_mont.c
index c7e2eefb58..cfdc7e510f 100644
--- a/src/lib/libcrypto/bn/bn_mont.c
+++ b/src/lib/libcrypto/bn/bn_mont.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_mont.c,v 1.63 2024/03/26 04:23:04 jsing Exp $ */
+/* $OpenBSD: bn_mont.c,v 1.64 2025/02/13 11:04:20 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -154,6 +154,24 @@ BN_MONT_CTX_free(BN_MONT_CTX *mctx)
 LCRYPTO_ALIAS(BN_MONT_CTX_free);
 
 BN_MONT_CTX *
+BN_MONT_CTX_create(const BIGNUM *bn, BN_CTX *bn_ctx)
+{
+        BN_MONT_CTX *mctx;
+
+        if ((mctx = BN_MONT_CTX_new()) == NULL)
+                goto err;
+        if (!BN_MONT_CTX_set(mctx, bn, bn_ctx))
+                goto err;
+
+        return mctx;
+
+ err:
+        BN_MONT_CTX_free(mctx);
+
+        return NULL;
+}
+
+BN_MONT_CTX *
 BN_MONT_CTX_copy(BN_MONT_CTX *dst, BN_MONT_CTX *src)
 {
         if (dst == src)